控制器（建筑施工管理）

Method for realizing distributed HTTP (Hyper Text Transport Protocol) interface performance test based on Netty

The invention relates to a method for realizing distributed HTTP (Hyper Text Transport Protocol) interface performance test based on Netty, which can perform performance test on a server in a high-performance manner by using the Netty to perform performance test. And each node automatically counts own pressure measurement result. And the interfaces can be subjected to single, batch, weight and the like. According to the method, the use convenience of the user and the stability of the system are fully considered, so that the method has the following advantages that the method is easy to use, a visual page is provided for operation, and the usability is enhanced; although a distributed multi-pressure node mode is used, a final statistical result is automatically counted through a task, and manual intervention is not needed; after pressure measurement is completed, pressure measurement data of multiple pressure nodes are automatically counted and pushed to related persons in the modes of emails ...

Flow battery electrode and zinc-bromine flow battery composed of flow battery electrode

The invention discloses a flow battery electrode and a zinc-bromine flow battery assembled by the flow battery electrode, and belongs to the technical field of flow battery energy storage, the flow battery electrode is rectangular, the surface of the electrode is provided with one or more than two rectangular flow channels or trapezoidal flow channels which are distributed at equal intervals, the flow battery electrode is used as a positive electrode and a negative electrode, and the zinc-bromine flow battery is assembled by the flow battery electrode. The mass transfer of the electrolyte is enhanced, the concentration polarization is reduced, and the performance of the battery is improved; and meanwhile, the deposition site of zinc can be induced to be close to the current collector side, so that the possibility that zinc dendrites pierce the diaphragm is reduced, the short circuit of the battery caused by overlarge charging capacity is avoided, and the stability and reliability of the ...

Crop growth prediction method and device, electronic equipment and storage medium

The invention provides a crop growth prediction method and device, electronic equipment and a storage medium, and relates to the technical field of artificial intelligence information processing, and the method comprises the steps: obtaining multiple groups of growth factor data of a to-be-predicted crop; inputting the plurality of groups of growth factor data into a feature extraction layer to obtain a plurality of growth feature vectors; determining at least one vector group in the plurality of growth feature vectors, inputting the at least one vector group to a feature combination layer, and fusing the growth feature vectors in each vector group to obtain each combined feature vector; inputting the combined feature vector and the plurality of growth feature vectors into a self-attention layer, executing an attention mechanism based on the self-attention layer, respectively configuring corresponding attention weights for the combined feature vector and the plurality of growth feature ...

METHOD AND SYSTEM FOR REGISTERING AND DEREGISTERING MULTIMEDIA MESSAGE SERVICE

Disclosed are a method and a system for registering and deregistering a multimedia message service. By optimizing a process of service deregistration, user data is not directly deleted in a simple way, and a buffer mechanism is created to alleviate impact of some malicious destruction behaviors, strength protection against a misoperation of a user and improve satisfaction and user experience of a user on a multimedia message service. In the present invention, a timed deletion mechanism is further used to ensure user data restoration for a reactivation request in a set time and ensure that user data is cleared in a timed manner. The present invention is applicable to processing procedures of registration and deregistration of multimedia message services such as a multimedia messaging service center self-service and a multimedia message album.

MAIN CIRCUIT GROUNDING PROTECTION METHOD FOR DIRECT-CURRENT ELECTRIC TRANSMISSION DIESEL LOCOMOTIVE

Main circuit grounding protection method for a direct-current electric transmission diesel locomotive. The method comprises: transmitting a signal DJ_IN of a grounding relay DJ and signals dI1-dIn of leakage current sensors S1-Sn to a microcomputer controller by means of a signal detection interface module; when the signal DJ_IN is at a high level and the signals dI1-dIn are all less than a given value dI, the microcomputer controller outputting a grounding relay resetting signal DJ_Ctrl so as to reset the grounding relay DJ; if the DJ_IN is at a low level after resetting, a locomotive continuing operating according to normal working conditions; if the reset grounding relay DJ continues operating, outputting an LCBK_Ctrl signal to control the turn-off of an excitation loop contactor and unloading of a diesel engine; and when the signal DJ_IN is at a high level, if the signal dIi is greater than dI, outputting the BKi_Ctrl signal to turn off the contactor BKi, and simultaneously outputting ...

VIDEO CODING METHOD AND VIDEO CODING DEVICE FOR INTRA-FRAME PREDICTION CODING

Provided are a video coding method and a video coding device for INTRA. The method comprises: conducting traversing prediction on a current-layer coding unit (CU) having a depth of N, so as to acquire a prediction result of the current-layer CU, wherein the traversing prediction does not comprise the prediction taking the current-layer CU as a prediction unit, and the prediction result comprises an optimal CU division mode of the current-layer CU in the traversing prediction, prediction modes of sub-CUs of the current-layer CU which are divided according to the optimal CU division mode and a syntactic element required for the current-layer CU to conduct coding; and if the optimal CU division mode is to divide the current-layer CU into four sub-CUs having a depth of N+1, and the prediction modes of the four sub-CUs having a depth of N+1 are the same, then according to the optimal CU division mode, the prediction modes of the CUs of the current-layer CU which are divided according to the ...

Staphylococcus aureus and application thereof

The invention is suitable for the technical field of biology, and provides a staphylococcus aureus which is named as staphylococcus aureus CHPC1.8395, is preserved in the China General Microbiological Culture Collection Center (CGMCC), and has the preservation number of CGMCC No.25904. The staphylococcus aureus is named as staphylococcus aureus CHPC1.8395, and the staphylococcus aureus is named as staphylococcus aureus CHPC1.8395 and is preserved in the China General Microbiological Culture Collection Center (CGMCC). The invention also provides an application of the staphylococcus aureus in testing the antibacterial effect of a chlorine-containing disinfectant. The staphylococcus aureus provided by the invention can replace staphylococcus aureus ATCC6538, and in daily application and scientific research, when a chlorine-containing disinfectant minimum inhibitory concentration (MIC) determination test (nutrient broth dilution method) is carried out, the staphylococcus aureus is used as a ...

Gas leakage detection method based on infrared temperature sensing camera

The invention relates to a gas leakage detection method based on an infrared temperature sensing camera. The gas leakage detection method comprises the following steps: acquiring temperature data of gas utilization equipment through the thermal sensing camera and uploading the temperature data to a wireless remote transmission gas meter; the wireless remote transmission gas meter receives the temperature data of the gas utilization equipment, collects the gas flow data of the gas utilization equipment, and sends the temperature data and the gas flow data of the gas utilization equipment to the big data monitoring platform; and the big data monitoring platform receives the gas consumption equipment temperature data and the gas flow data, processes and analyzes the data according to a preset gas leakage judgment algorithm, judges whether gas leaks or not, and sends a gas leakage signal to the gas self-closing valve and the early warning information receiving terminal if the gas leaks. The ...

Automatic pile foundation detection equipment

According to the technical scheme, the automatic pile foundation detection equipment is characterized in that the automatic pile foundation detection equipment comprises a base and further comprises an arc-shaped rail formed in the top of the base, a traveling trolley is arranged above the arc-shaped rail, and wheels at the bottom of the traveling trolley walk in the arc-shaped rail; the supporting column is fixed at the top of the arc-shaped track; the cross beam is vertically connected to one side of the supporting column in a sliding mode, and the cross beam is driven by a first power assembly to vertically slide; the sliding seat is horizontally connected to the bottom of the cross beam in a sliding manner, and the sliding seat is driven by a second power assembly to horizontally slide; the flaw detector is connected to the sliding seat through a damping and buffering assembly; the two groups of stability maintaining assemblies are arranged on the sliding seat; and the fixing assembly ...

MEDIA DATA PROCESSING METHOD AND DEVICE

A monitoring data processing method and device. The method comprises: a sender receiving media data from a collector, the media data comprising video frames; determining importance levels of the video frames; encoding a video frame having a high importance level using a high quality video parameter to obtain a first encoded video frame, and sending the first encoded video frame to a receiver; and encoding a video frame having a low importance level using a low quality video parameter to obtain a second encoded video frame, and sending the second encoded video frame to the receiver. By adopting the present invention, the precision is increased and the algorithm is simplified.

Foundation pit automatic monitoring equipment

According to the technical scheme, the automatic foundation pit monitoring equipment is characterized in that the automatic foundation pit monitoring equipment comprises a supporting frame and further comprises a first crawling wheel and a second crawling wheel which are rotationally connected to one side of the supporting frame; the power assembly is used for synchronously driving the first crawling wheel and the second crawling wheel to rotate; the reference stand column is fixed in a foundation pit, and the power assembly drives the first climbing wheel and the second climbing wheel to climb outside the reference stand column; the stepping assembly is used for controlling stepping of the supporting frame; the U-shaped frame is fixed on the support frame; the grating emitter is arranged on one side of the [-shaped frame, and a grating receiver is fixed on one side of the foundation pit; and the fine tuning control assembly is used for controlling fine tuning of the grating emitter. The ...

Agricultural disaster prediction method based on remote sensing image space-time fusion and related equipment

The invention provides an agricultural disaster prediction method based on time-space fusion of remote sensing images and related equipment, and relates to the technical field of image processing, and the method comprises the steps: obtaining a first remote sensing image sequence and a second remote sensing image sequence generated by remote sensing imaging of a to-be-predicted field, the first remote sensing image sequence comprises a plurality of first remote sensing images, and the second remote sensing image sequence comprises a plurality of second remote sensing images; the second remote sensing image sequence comprises multiple second remote sensing images, the spatial resolution of the first remote sensing image is higher than that of the second remote sensing image, and the time resolution of the second remote sensing image is higher than that of the first remote sensing image; inputting the second remote sensing image into the first sub-model, and performing high-resolution reconstruction ...

Agricultural data processing method and device, electronic equipment and storage medium

The invention provides an agricultural data processing method and device, electronic equipment and a storage medium, and relates to the technical field of information processing, and the method comprises the steps: obtaining a first description text of a first to-be-matched key name in a first agricultural database, based on the first description text and a reference description text corresponding to a reference key name in a preset reference database, determining a first similarity between the first to-be-matched key name and the reference key name, and obtaining a second description text of a second to-be-matched key name in a second agricultural database, determining a second similarity between the second to-be-matched key name and the reference key name based on the second description text and the reference description text; based on the first similarity and the second similarity, determining a target similarity between the first to-be-matched key name and the second to-be-matched key ...

Inclination angle detection device of power transmission line tower in extreme weather

An inclination angle detection device for a power transmission line tower in extreme weather relates to the technical field of power transmission line safety and is used for realizing real-time detection of the inclination angle of the tower. Comprising an installation assembly and a detection assembly, the installation assembly comprises a detection assembly installation plate and a tower end installation plate which are fixedly connected, the detection assembly is fixed to the detection assembly installation plate, the tower end installation plate is fixedly connected with a tower, and the detection assembly comprises a shell, a detection sliding block and a coil; the bottom of the detection sliding block is provided with a detection rod, the bottom of the detection rod is provided with a conductive contact, the bottom of the shell is provided with a coil located in a plane, and the detection sliding block slides along the supporting plate for a certain distance and then makes contact ...

METHOD FOR EXCAVATING MULTIMEDIA MESSAGE PROTOCOL VULNERABILITY AND SYSTEM THEREOF

A method and a system for excavating multimedia message protocol vulnerability are provided in the present invention, and they belong to software engineering technical field. The method according to the present invention includes that: constructing a malformed data packet based on a rothole to be detected of a multimedia message, then transmitting the constructed malformed data packet to a target device which uses a multimedia message protocol, judging whether the transmitted malformed data packet causes an abnormal response from the target device, determining the multimedia message protocol vulnerability of the target device based on the malformed data packet which causes an abnormal response from the target device; the system according to the present invention includes a WAP gateway, a simulation multimedia message service center, a MMS message generator, a target device using a multimedia message protocol, and a simulation short message service center. The present invention can excavate ...

VIDEO CODING METHOD AND DEVICE

A video coding method and device, the video coding method comprising: determining the motion vectors of N number of coding units adjacent to a first coding unit; acquiring the rate distortion optimum (RDO) corresponding to the motion vectors of the N number of coding units respectively; determining whether the relative relationship between a first RDO and a second RDO conforms to a preset rule, the first RDO being the minimum one of the RDOs corresponding to the motion vectors of the N number of coding units respectively, and the second RDO being the minimum RDO estimated from the motion of the first coding unit in a reference frame; if the relative relationship conforms to the preset rule, then coding the first coding unit in merge coding mode. An embodiment of the present invention reduces video coding complexity based on the HEVC criteria.

Fe-doped g-C3N4/BiVO4 heterojunction photocatalyst, preparation method and application

The invention discloses a Fe-doped g-C3N4/BiVO4 heterojunction photocatalyst as well as a preparation method and application thereof, and belongs to the technical field of photocatalytic degradation. The preparation method of the heterojunction photocatalyst comprises the following steps: preparing a certain amount of ferric nitrate solution, adding a certain amount of urea into the ferric nitrate solution, heating, stirring and dissolving, evaporating water to obtain a mixed solid, grinding the mixed solid, putting the ground mixed solid into a crucible, and putting the crucible into a muffle furnace to generate Fe-doped g-C3N4. Then, Fe-g-C3N4, bismuth nitrate nonahydrate and ammonium metavanadate are used as raw materials, and the Fe-doped g-C3N4/BiVO4 heterojunction photocatalyst is prepared by adopting a hydrothermal method. In the photocatalyst obtained by the method, the mass fraction of Fe-g-C3N4 is 15%, the molar ratio of bismuth nitrate nonahydrate to ammonium metavanadate is ...

Interactive integrated pathogenic microorganism analysis system and method thereof

The invention discloses an interactive integrated pathogenic microorganism analysis system and a method thereof, and relates to the technical field of microorganism analysis, a user login management unit and a data unit carry out information or data exchange, and the user login management unit and the data unit carry out wireless signal transmission. The data unit and the dynamic interaction analysis unit are in wireless signal transmission, and the dynamic interaction analysis unit and the resource sharing unit are in wireless signal transmission. According to the application, through the packaging type design of the cloud service platform, background complex experiments and analysis processes are presented to a terminal user in a simple and interactive manner, so that a user with a non-biological information background can complete complex biological information analysis through a simple operation interface of the platform, and the user experience is improved. The defects of a traditional ...

Block chain-based collection management method, block chain node and system

The invention discloses a block chain-based collection management method, a block chain node and a block chain-based collection management system. The method executed by a block chain node comprises the steps that a second transaction used for calling an intelligent contract and initiated by a collection detection mechanism after detection of a target collection is completed is received, the second transaction comprises a first account registered in a block chain system by a first user and a detection result of the target collection, and the target collection is held by the first user; according to the second transaction, newly adding on-chain data of a digital resource corresponding to the target collection in a contract state of the smart contract, the on-chain data of the digital resource including a collection identifier of the target collection, a detection result and a first account; a first transaction initiated by the first user through the first account when the first user transfers ...

TWO-DIMENSIONAL DIGITAL IMAGE-BASED CONTINUOUS PORE SIZE DISTRIBUTION CALCULATION METHOD

Disclosed in the present invention is a two-dimensional digital image-based continuous pore size distribution calculation method, for use in improving the accuracy of pore size measurement. The method comprises the following steps: S1, obtaining an original digital image of a material to be tested, and performing threshold segmentation on the original digital image to obtain a binary image comprising at least one pore, wherein the original digital image is a two-dimensional image; S2, calculating the Euclidean distance from each pixel in each pore in the binary image to the boundary of the pore; S3, extracting pixels having the same Euclidean distance to the boundary of the pore to form at least one closed contour line in each pore; S4, obtaining a preset Euclidean distance value, and expanding a contour line, with values equal to the preset Euclidean distance value, by the preset Euclidean distance value to form a corresponding expansion line; S5, calculating the total area of a bow shape ...

MOTOR STARTING CONTROL METHOD FOR COOLING FAN OF RAILWAY LOCOMOTIVE

A motor starting control method for a cooling fan of a railway locomotive. A target value of an output frequency of an inverter is set as a relatively low value F1, the output frequency of the inverter is controlled according to a relatively low loading rate Rp1, and when the output frequency of the inverter reaches F1, F1 is maintained till time T1. From starting time to T1, a lower value between two closed-loop control output values, namely an output current limit and an intermediate DC voltage limit, is multiplied by a modulation degree Mi to obtain a new modulation degree ML, and an output voltage of the inverter is controlled, such that an output current is limited within a given maximum starting current range, and an intermediate DC voltage is limited within a DC voltage limit value range. At T1, the target value of the output frequency of the inverter is set as a relatively high value F2, the output frequency of the inverter is controlled according to a relatively high loading rate ...

METHOD FOR OBEX PROTOCOL VULNERABILITY DISCOVERY AND SYSTEM THEREOF

A method and system for Object Exchange (OBEX) protocol vulnerability discovery are provided, which belong to the technical field of software engineering. The method of the present invention includes the following steps: firstly, selecting an object device which communicates via OBEX protocol and establishing the communication connection with the object device, then constructing an abnormal packet based on the weak point of the OBEX protocol of the object device, sending the packet to the object device and receiving the response packet from the object device; judging the status of the object device according to the received response packet, debugging the abnormal packet which triggers the abnormal status of the object device and determining the vulnerability parameter of the OBEX protocol. The system of the present invention includes an abnormal data constructing module, a protocol communicating module and a security vulnerability detection module. The present invention fills the domestic ...

Mold shell cleaning and fixing device and cleaning method

The invention provides a mold shell cleaning fixing device and a cleaning method, and belongs to the technical field of mold shell cleaning equipment. Comprising a lifting arm moving on a truss, a mounting frame is rotationally arranged below the lifting arm, a mounting station for mounting a formwork is arranged in the mounting frame, and first clamping assemblies for clamping the formwork are horizontally and slidably mounted on the positions, located on the two sides of a chassis, of the inner bottom wall of the mounting frame; a lifting frame is slidably mounted in the mounting frame in the vertical direction, and a second clamping assembly used for clamping the pouring cup is arranged on the lifting frame. The mold shell is fixed through the first clamping assembly on the mounting frame, the pouring cup is fixed through the second clamping assembly on the lifting frame, then the mold shell is filled with water, and the whole mounting frame swings back and forth relative to the suspension ...

VIDEO COMPRESSION METHOD AND VIDEO COMPRESSOR

Provided are a video compression method and a video compressor, which relate to the field of image processing, and solve the problems of large resource consumption amount and high costs when H.264 and HEVC are compressed at the same time. The method specifically comprises: reading video signal data through a sliding window, so as to generate code stream data, wherein the code stream data generated by reading the video signal data with a first format is first code stream data; and the code stream data generated by reading the video signal data with a second format is second code stream data; encoding the code stream data so as to generate code streams, wherein the code stream generated by encoding the first code stream data is a first code stream, the code stream generated by encoding the second code stream data is a second code stream, and the second format is a format preset according to the first format. The present invention is used for video signal compression.

System and method based on envelope tracking and adaptive digital pre-distortion

The invention discloses a system based on envelope tracking and adaptive digital predistortion. The system comprises a predistorter, a digital-to-analog converter, a hybrid envelope amplifier and a power amplifier, baseband signals are sequentially processed by the predistorter and the digital-to-analog converter and then input into the hybrid envelope amplifier, and are dynamically modulated and amplified by the hybrid envelope amplifier to be supplied to the drain electrode/collector electrode of the power amplifier for power supply. The method comprises the following steps: 1, a baseband signal is processed by the predistorter and the digital-to-analog converter in sequence and then is input into the hybrid envelope amplifier; and 2, after entering the hybrid envelope amplifier, the signal is dynamically modulated by the linear voltage regulator and the switch stage and is output as the input voltage of the power amplifier. And 3, the feedback path samples the input voltage of the power ...

Data transmission method for cloud edge collaboration

The invention discloses a data transmission method for cloud edge collaboration, which comprises the following steps of: 1, creating a collaboration task through a collaboration service, starting the collaboration task, and starting the collaboration task; 2, a requester initiates a data collaboration request through a requester message channel; step 3, the sender receives the cooperation request sent by the requester through the sender message channel; step 4, the sender message channel sends the sending data message to the sender data channel; 5, the requester data channel receives and analyzes the data and sends the analyzed data to the collaborative service, and the collaborative service completes data storage according to the configuration item during creation; and step 6, the requester message channel receives the task ending message, and then the requester informs the collaborative service that the task is ended. According to the data transmission method for cloud edge collaboration ...

Resin regeneration process

The invention relates to the technical field of resin regeneration, and particularly discloses a resin regeneration process which comprises the following steps: S101, opening a backwashing water inlet valve and a backwashing drain valve, backwashing a resin layer until effluent is clarified, and closing the backwashing water inlet valve and the backwashing drain valve; s102, opening a regeneration acid inlet valve and a middle discharge valve, and introducing a regenerant to wash the resin layer; s103, the central control system sets regenerant washing time according to the regenerant concentration, and after washing is finished, a regeneration acid inlet valve and an intermediate discharge valve are closed; and S104, a conventional washing water inlet valve and a conventional washing water outlet valve are opened, the central control system sets the conventional washing time of the resin layer according to the ion content in water discharged from the conventional washing water outlet valve ...

THREE-DIMENSIONAL PRINTER, AND THREE-DIMENSIONAL PRINTING METHOD AND DEVICE

Disclosed are a three-dimensional printer, and a three-dimensional printing method and device. The three-dimensional printer comprises a material tray (1), a shaping platform (2), a projector (4), and a movement mechanism. The movement mechanism comprises a horizontal movement mechanism (32) used for driving the material tray (1) to make reciprocating movement in the horizontal direction. A filtering mechanism (5) is disposed in the material tray (1). When the movement mechanism drives the material tray (1) to make reciprocating movement in the horizontal direction, the filtering mechanism (5) is used for making relative movement with the material tray (1) in the horizontal direction, so as to filter out solid residues in the material tray (1). The three-dimensional printer has a horizontal movement mechanism and a filtering mechanism; the horizontal movement mechanism can drive a material tray to move in the horizontal direction, thereby improving the mobility of a material; residues produced ...

Intelligent helmet flaw detection dangerous area dynamic alarm method based on GPS positioning

The invention discloses an intelligent helmet space area dynamic alarm method based on GPS positioning, which comprises the following steps: installing GPS positioning devices on an intelligent helmet worn by a worker and an X-ray mobile diagnostic machine, converting the longitude and latitude and the altitude obtained by the GPS into coordinates under space rectangular coordinates, obtaining the distance between the intelligent helmet and the X-ray mobile diagnostic machine by using the coordinates, and carrying out dynamic alarm on the intelligent helmet and the X-ray mobile diagnostic machine according to the distance. The radius of a dangerous area is calculated through relevant parameters of the X-ray mobile diagnostic machine and the thickness of a flaw detection workpiece, whether a worker is in the dangerous area or not is judged by comparing the distance between the intelligent helmet and the X-ray mobile diagnostic machine with the radius of the dangerous area, and an alarm is ...

AUTOMATIC VALVE RECOGNITION METHOD BASED ON ARCHITECTURAL DRAWING

An automatic valve recognition method based on an architectural drawing, characterized by comprising: acquiring an architectural drawing image to be subjected to recognition; and recognizing a geometric figure entity in said architectural drawing image according to a basic geometric figure recognition algorithm, which specifically involves: traversing a valve layer of said architectural drawing image, acquiring an isosceles triangle set, and writing vertices of all the isosceles triangles in the isosceles triangle set into a vertex set; traversing the vertex set to acquire a common point that is the vertex of two isosceles triangles; traversing four edges that pass through the common point, with each edge being collinear with only one edge of the other triangle, so as to acquire a line segment set; and traversing line segments of the line segment set to acquire a line segment that takes the common point as a middle point and is parallel to the bottom edges of the two isosceles triangles ...

Quick self-repairing polyborosiloxane film and preparation method thereof

The invention discloses a rapid self-repairing polyborosiloxane film and a preparation method thereof, and belongs to the technical field of self-repairing material preparation. The method disclosed by the invention comprises the following steps: heating hydroxyl-terminated polydimethylsiloxane, mixing the heated hydroxyl-terminated polydimethylsiloxane with boric acid, and reacting to obtain a polyborosiloxane prepolymer; dissolving the polyborosiloxane prepolymer in a solvent, and carrying out suction filtration to obtain a self-repairing polyborosiloxane polymer solution; and treating the self-repairing polyborosiloxane polymer solution on a substrate to form a liquid film, and drying to obtain the quick self-repairing polyborosiloxane film. The self-repairing film is a high polymer material based on a dynamic non-covalent bond 'B-O bond', the dynamic non-covalent bond 'B-O bond' is in a dynamic process of continuous dissociation and re-formation, and in combination with the flowability ...

Method and system for acquiring three-dimensional model of building

The invention discloses a method and system for acquiring a three-dimensional model of a building, and belongs to the technical field of building model acquirement.The method for acquiring the three-dimensional model of the building comprises the following specific steps that 1, building data is acquired, specifically, a building appearance picture is shot through shooting equipment, and two-dimensional picture data is formed; meanwhile, the geographic position of any point on the building is obtained, and then a floor plane graph is formed through splicing and combining according to a house type plane graph issued by a house renting website or property management; 2, building the three-dimensional top surface of the building: selecting the plane top surface feature point group and the cambered surface top surface feature point group according to the geographic position in the step 1, so that the selection of the feature points is simple and convenient, the building process of the three-dimensional ...

Production management system based on maritime work manufacturing industry

The invention discloses a maritime work manufacturing industry-based production management system, which is constructed on a framework comprising a PDA (Personal Digital Assistant) operation platform, a cloud server, a cloud database and a WEB system, and comprises an authority module, a PDA operation module and a data operation module, wherein the permission module is respectively connected with the PDA operation platform and the cloud server, the data management module is connected with a WEB system, the PDA operation module is connected with the PDA operation platform, and the PDA operation module further comprises a bar code operation sub-module and a data operation sub-module; the data management module further comprises a basic data management sub-module and a material data management sub-module. Compared with the prior art, reliable transmission and quick response of material information are achieved, a material management related department can obtain all information related to ...

Zinc-bromine single flow battery

The invention discloses a zinc-bromine single flow battery, which belongs to the technical field of flow battery energy storage and is a battery pack formed by connecting one single battery or more than two single batteries in series. Each single battery mainly comprises a negative electrode frame, a negative carbon felt electrode arranged in a through hole in the middle of the negative electrode frame, a diaphragm, a positive carbon felt electrode arranged in a through hole in the middle of the positive electrode frame and a positive electrode frame which are stacked in sequence; the circulation radiuses of the electrolyte inlet runner, the inlet distribution runner, the outlet runner and the outlet distribution runner of the positive electrode frame are reduced, so that the flow resistance of the positive electrode frame is increased, and the problems of low coulombic efficiency and short cycle life of the battery caused by expansion of positive bromine during operation of the zinc-bromine ...

Modified recycled aggregate as well as preparation method and application thereof

The invention belongs to the technical field of building materials, and discloses modified recycled aggregate as well as a preparation method and application thereof. The preparation method of the modified recycled aggregate comprises the following steps: soaking the recycled aggregate in a calcium-containing alkaline solution, then adding tetraethoxysilane and tetrabutyl titanate, then adding a plant active silica compound, then carrying out a hydrothermal reaction, filtering, and then uniformly dispersing mineralized bacteria on the surface of a filtered substance, thereby obtaining the modified recycled aggregate. The saturated surface dry water absorption rate of the prepared modified recycled aggregate is greatly reduced compared with that before modification, and compared with concrete prepared from unmodified aggregate, the slump, 28d compressive strength and impermeability of recycled aggregate concrete prepared from the modified recycled aggregate are obviously improved. In conclusion ...

Pile foundation automatic detection equipment based on vibration response

The invention relates to a pile foundation detection device, in particular to automatic pile foundation detection equipment based on vibration response, which can fully consider the action effect of pore water in sandy soil and ensure the safety of an anchor rod structure of a supporting structure, and is simple and convenient to operate. Comprising a trolley frame (1), a movable oil cylinder set (2), a wheel set (3), a hammering mechanism (4), a control unit (5), a metal plate (6) and peripheral equipment (7). The hammering mechanism (4) comprises a capstan (41), a capstan support (42), a nylon hammer (43), a tray (44), a fixed sleeve (45) and a movable sleeve (46), the capstan (41) releases a steel wire rope, the nylon hammer (43) rebounds under the action of potential energy after doing free-falling motion and impacting a pile foundation, the capstan (41) tightens the steel wire rope to drive the nylon hammer (43) to ascend and return, the fixed sleeve (45) and the movable sleeve (46 ...

Method for solving inclined reported data of Internet of Things equipment based on hotspot discovery

The invention relates to a method for solving tilting of reported data of an internet of things device based on hotspot discovery, and the method comprises the steps: introducing a cache as a tool for storing an instance rate, a partition rate and a device hotspot of the internet of things device at a device message production end and a consumption end, and achieving the viscous partition of the internet of things device through the expiration time characteristic of the cache. A dynamic decision partition mechanism based on viscous partition and hotspot weight can be used for partition processing of equipment reported data in the field of Internet of Things, processing efficiency is improved, and orderliness and uniformity of data processing are guaranteed at the same time. According to the method, the problem of how to perform fragmentation processing on reported data in a relatively balanced manner and avoid data skew while maintaining data orderliness by a server when equipment data ...

METHOD, DEVICE AND SYSTEM FOR MONITORING RCS SPAM MESSAGES

A method, device and system for monitoring RCS spam messages. The method comprises: acquiring RCS messages; and identifying the RCS messages according to preset related information of spam messages in a database, and sending the identification results to a server, so that the server performs corresponding processing on the RCS messages according to the identification results. Also disclosed are a device and system for monitoring RCS spam messages. By means of this application, spam messages in RCS messages are monitored, the propagation of the spam messages is limited, and normal service processing and the user security are ensured.

Heat dissipation device of electric precipitation high-frequency power supply of thermoelectric unit and use method of heat dissipation device

The invention discloses a heat dissipation device for an electric precipitation high-frequency power supply of a thermoelectric unit and a use method, relates to the technical field of heat dissipation of electric precipitation high-frequency power supplies, and aims to solve the problems that the existing electric precipitation high-frequency power supplies are single in heat dissipation by heat dissipation fins, run for a long time and run in hot weather, and are high in ambient temperature; and the heat dissipation performance is poor. A high-frequency transformer is arranged at the lower end of the power cabinet mechanism, cooling fins are arranged on the three outer surfaces of the high-frequency transformer, the cooling fins are connected with the high-frequency transformer in a welded mode, and a high-voltage porcelain insulator protection horn mouth is arranged outside a high-voltage porcelain insulator on one side of the high-frequency transformer; the fan protection shell is arranged ...

High-concentration high-strength filling paste and preparation method thereof

The invention discloses a high-concentration and high-strength filling paste and a preparation method thereof, the high-concentration and high-strength filling paste comprises cement, waste rock crushed aggregate, mineral separation full tailings and water, and the concentration of the filling paste is 75-81%; the ratio of the waste rock crushed aggregate to the beneficiation full tailings is 4: 6-6: 4; the addition ratio of the cement is 1: 4-1: 5; and the size fraction of the crushed waste rock aggregate is-16 mm. The preparation method comprises the following steps: crushing and screening mine waste rocks to obtain crushed waste rock aggregates; adding a flocculating agent into tailings of a dressing plant, and carrying out dense dehydration to obtain ore dressing full tailings; and mixing the waste rock crushed aggregate, the beneficiation full tailings, cement and water, and then carrying out two-section horizontal stirring to prepare the filling paste slurry. A large amount of waste ...

Method for processing front-end table data expansion and intersection

The invention relates to a method for processing front-end table data expansion and intersection. A template is designed and generated through a design state; configuring an expansion rule for the template; obtaining library table data from a database of a server, and inputting the library table data into the template to obtain template data; the method comprises the following steps: acquiring template data, analyzing the template data in a preview state to obtain a father-level relation link in the template data, generating matched structural data from the template data according to a link hierarchical relation of the father-level relation link, and filling the template with the structural data to generate final table content. And generating transverse and longitudinal expansion data and cross field coordinate relation data by a parent relation link, then filling the data into a template to generate final table content, and finally performing view VIEW. The capability of data to realize ...

Flexible transmission line

A flexible transmission line disclosed by the present invention comprises a main body, the main body comprises a bending area and non-bending areas, the two ends of the bending area are respectively connected with the non-bending areas, and the main body comprises a lower cover film layer, a line layer, a lower flexible dielectric layer, a colloid layer, an upper flexible dielectric layer, a ground layer and an upper cover film layer which are sequentially stacked and connected from bottom to top. The bending area is provided with a first vacancy part and a second vacancy part, the first vacancy part extends from the top surface of the upper covering film layer to the top surface of the upper flexible dielectric layer, and the second vacancy part extends from the bottom surface of the upper flexible dielectric layer to the top surface of the lower flexible dielectric layer; the circuit layer is provided with a radio frequency line and ground wires, the ground wires are connected with the ...

Station network interaction control method for electric vehicle charging station group

The invention provides a station network interaction control method for an electric vehicle charging station group, and the method comprises the steps: S1, carrying out the modeling of a power grid frequency modulation module in a power system, and respectively building a generator mathematical model and a load mathematical model; s2, establishing an automatic power generation control model, and determining components of a generator set and an electric bus station group participating in frequency modulation; s3, calculating the controllable capacity of the electric vehicle based on the generator mathematical model and the load mathematical model established in the step S1 and the automatic power generation control model established in the step S2; and S4, on the basis of the controllable capacity, calculated in the step S3, of the electric vehicle, a charging station group participates in a distribution network frequency modulation strategy, and a method for the charging station to support ...

Automatic interface test construction method based on workflow platform

The invention relates to an automatic interface test construction method based on a workflow platform, and the method comprises the steps: generating a test case of each business scene in a business layer, packaging the test case, and transmitting the packaged test case to a logic layer; the logic layer receives and reads the packaged test case, and analyzes the packaged test case to obtain a test case information list of each business scene; reading the test case information list, judging whether a case exists or not: if the case exists, issuing a request, and responding to a corresponding case test; according to the response of the use case test, the use case execution condition is judged, and a corresponding use case execution result is output and counted. A component object layer can be abstracted, and automation of the whole interface is completed efficiently with low maintenance cost; specific input parameters of the design interface are automatically generated through the combination ...

Multi-device universal access system

The invention discloses a multi-device universal access system, which comprises an interaction management layer, a physical model configuration module, a physical model configuration module, a physical model configuration module, a physical model configuration module and a physical model configuration module, and is characterized in that the physical model configuration module is used for abstracting the driving capability of the physical model; the access layer is internally provided with a physical model binding module, and the physical model binding module is used for binding mapping of the functional module to become an equipment module capable of being recognized by the platform; and the equipment layer is connected with the access layer, and a sensor module, an RFID module, a biological recognition module, a multimedia information module and an MCU are arranged in the equipment layer. According to the multi-device universal access system, through the arrangement of the interactive ...

Method for avoiding looseness of equiaxed crystal blade transfer R

The invention provides a method for avoiding looseness of an equiaxed crystal blade transfer R, and belongs to the technical field of casting preparation. During first back layer sanding and second back layer sanding, the sand material at the transfer R part is 20-80-mesh cold iron sand, and the sand material at the other parts is 20-80-mesh white corundum sand; when the third back layer is used for sanding, the fourth back layer is used for sanding, and the fifth back layer is used for sanding, the sand at the transfer R part is 20-mesh cold iron sand, and the sand at the other parts is 20-mesh white corundum sand. By changing the material of the shell and replacing white corundum sand with cold iron sand at the transfer R, heat dissipation of the transfer R is accelerated, and the local heat dissipation condition at the transfer R is changed, so that the transfer R is solidified prior to the margin plate, the looseness defect of the transfer R is avoided, and the percent of pass of products ...

OPC real-time data integration and control method based on Internet of Things model

The invention relates to an OPC real-time data integration and control method based on an Internet of Things model. The method comprises the following steps: constructing and initializing an OPC connection object through an acquisition instance; configuring equipment parameters, initializing equipment data, constructing equipment instances of corresponding equipment, and mapping a point position relationship between equipment object model information and the OPC according to configuration; configuring OPC parameters, connecting an OPC server according to the configuration, and checking a connection state to obtain a connection state result; and according to a connection state result, reading and obtaining OPC point location data of the corresponding equipment object model, and reporting the OPC point location data. OPC DA (OPC data access) and OPC AE data access and control capabilities are provided for an instruction set Internet of Things operating system. And on the basis of the equipment ...

Photovoltaic power generation prediction method based on clustering algorithm, neural network and genetic algorithm

The invention provides a photovoltaic power generation prediction method based on a clustering algorithm, a neural network and a genetic algorithm, and the method comprises the steps: building an identification model through the mapping relation between photovoltaic power generation power and influence factors such as weather, carrying out the K-Means clustering analysis of a historical data set, inputting the data obtained through clustering into a BP neural network, and carrying out the training, generating power is output, an obtained generating power data set serves as input and is put into the LSTM neural network for training, hyper-parameters of the neural network are determined through a genetic algorithm (GA), and finally the photovoltaic generating power of the angelica keiskei is predicted and output. The method provides a new thought for the reliability and accuracy of current photovoltaic power generation prediction.

Material data tracking system based on maritime work materials

The invention discloses a material data tracking system based on maritime work materials, which is constructed on a framework comprising a WEB system, a server, an APP terminal and a database, and comprises an authority module, a data management module connected with the WEB system and a function operation module connected with the APP terminal, wherein the authority module is respectively connected with the WEB system and the APP end; the data management module further comprises data viewing and data editing, and is used for viewing and editing the processing data of the maritime work materials; and the function operation module is used for executing operation of each function and further comprises user options, professional functions and auxiliary functions. Compared with the prior art, the method has certain universality in the maritime work industry, and has certain reference value and guiding significance in the data tracking process of a traditional manufacturing enterprise.

High-power-density zinc-bromine double-flow battery

The invention discloses a high-power-density zinc-bromine double-flow battery, which belongs to the technical field of flow battery energy storage, and is a battery pack formed by connecting one single battery or more than two single batteries in series, each single battery mainly comprises a negative electrode frame, a negative carbon felt electrode arranged in a through hole in the middle of the negative electrode frame, a diaphragm, a positive carbon felt electrode arranged in a through hole in the middle of the positive electrode frame and a positive electrode frame which are stacked in sequence; the positive electrode frame or the negative electrode frame comprises an electrode plate and a runner cover plate, the thickness of the electrode frame is thinned, and the electrolyte inlet and outlet distribution runner is arranged on the runner cover plate, so that the problems that the strength is reduced and the reliability of the battery is reduced after the thickness of the electrode ...

Software system for industrial fine management and use method thereof

The invention discloses a software system for industrial fine management, comprising a basic data management module for managing each basic data in a factory; the business function management module is used for managing each business behavior in the factory; the authority management module is in communication connection with the basic data management module and the business function management module so as to manage data viewing authority and business behavior authority; and the data center is connected with the business function management module, so that a manager can inquire historical records of the business function management module and carry out index analysis of business functions. The invention relates to a software system for industrial fine management, which adopts the combined arrangement of the basic data management module, the business function management module and the authority management module, and can effectively form a management software system.

Method for judging compatibility of virtual machine application to Linux Arm64

The invention relates to a method for judging compatibility of a virtual machine application to Linux Arm64, and the method comprises the steps: reading a source code of the virtual machine application, and deploying the virtual machine application in a Linux Arm64 compiling and deploying environment; compiling a source code of the virtual machine application to obtain a compiled product; whether a native module exists in the compiling product or not is judged; if the native module does not exist, it is judged that the virtual machine application is compatible with the Linux Arm64 compiling deployment environment. According to the method, whether the application is compatible or not can be directly judged at the minimum cost, and the incompatible code is pointed out under the incompatible condition, so that the environment change from Linux x8664 to Linux Arm64 can directly know the compatibility condition and know the detailed information of the incompatibility condition without additionally ...

Method for multiplexing tree structure based on MYSQL pooling technology

The invention relates to a method for multiplexing a tree structure based on an MYSQL pooling technology, which utilizes the MYSQL technology, proposes a tree structure pooling multiplexing technology, and creates a tree node data multiplexing pool data table through a data table function based on MYSQL database middleware. And all constructed or deleted copies of the tree structure are put into a multiplexing pool, so that the cost consumption of construction between father and child nodes is effectively saved. When the structure is assembled or unbound, the program can additionally store the structure which does not exist in the multiplexing pool into the multiplexing pool. When the tree structure is assembled, the newly added tree nodes can be selected, and the data in the multiplexing pool can also be selected. The tree structure in the multiplexing pool can be used at multiple nodes, and excessive consumption of system data storage space caused by repeated creation of the tree nodes ...

Process formula editing method based on low-code process engine of Internet of Things operating system

The invention relates to a process formula editing method based on a low-code process engine of an Internet of Things operating system, and the method comprises the steps: deploying a process engine as a circulation engine service of underlying process formula process editing; through a process formula editor, configuring a corresponding process formula flow for the upper-layer business application, and storing a flow relationship of the configured process formula flow in the flow engine; performing business encapsulation on the upper business application and the process engine by utilizing the back-end service of the process formula editor; and starting the process engine, and executing the corresponding process formula process. According to the method, a configurable process formula editor can be established through process engine combination in the field of industrial digitization, the system flexibility and the working efficiency are improved, the process maintainability is improved ...

Method and system for judging scaling critical point of circulating cooling water

The invention discloses a method and a system for judging a scaling critical point of circulating cooling water. The method comprises the following steps: 1) respectively measuring chloride ions Cl0, calcium ions Ca0 and total hardness content YD0 in a circulating cooling water inlet water sample; 2) respectively measuring chloride ions Cl1, calcium ions Ca1 and total hardness content YD1 in the circulating cooling water outlet water sample; 3) calculating to obtain a chloride ion concentration ratio NCl, a calcium ion concentration ratio NCa and a total hardness concentration ratio NYD; (4) calculating the difference value C1 = NCl-NCa between the chloride ion concentration ratio NCl and the calcium ion concentration ratio NCa; 5) calculating the difference C2 between the chloride ion concentration ratio NCl and the total hardness concentration ratio NYD, wherein C2 = NCl-NYD; (6) when C1 is smaller than A and C2 is smaller than A, it is judged that the circulating water does not reach ...

High-surface-capacity zinc-bromine double-flow battery

The invention relates to a high-surface-capacity zinc-bromine double-flow battery, and belongs to the field of flow batteries. According to the zinc-bromine double-flow battery, a layer of non-conductive and compact plastic fibers with stable chemical properties are additionally arranged between a positive electrode and a diaphragm, in the charging process of the battery, zinc dendrites of a negative electrode can grow to the positive electrode along micropores of the diaphragm, and the zinc dendrites growing to the positive electrode are not in contact with the positive electrode under the blocking of the compact plastic fibers, so that the zinc-bromine double-flow battery is formed. Therefore, the capacity of the negative electrode surface can be improved, and the capacity of the battery surface is further improved. The fiber membrane can be made of one or more of PE (polyethylene), PP (polypropylene) and PVC (polyvinyl chloride). When the battery is assembled, only the positive electrode ...

Stress monitoring device and method based on permanent magnet effect

The invention relates to a stress monitoring device and method based on a permanent magnet effect, and belongs to the technical field of bridge detection. The stress monitoring device mainly comprises a permanent magnet and a Hall sensor, the Hall sensor, an AD converter and a microprocessor are fixed to the sliding block together, and the permanent magnet is fixed to a permanent magnet bearing plate on the left side of a baffle on the right side of the sliding rail. When the stress change of a detected device is detected, force-magnetism relation calibration is firstly carried out, and the sliding block device is installed on the detected device after calibration is completed and is tightly connected with the detected device through a hole in the lower portion of the sliding block device. When the tested device is subjected to strain, the Hall probe inputs detected magnetic signals at different positions on the central axis of the permanent magnet, the magnetic signals are output after ...

Agricultural information push processing method and device, electronic equipment and storage medium

The invention provides an agricultural information push processing method and device, electronic equipment and a storage medium, and relates to the technical field of information push, and the method comprises the steps: obtaining agricultural information which comprises growth parameter information used for reflecting the growth process of agricultural products and product circulation information used for reflecting the production industry chain of the agricultural products; performing data screening and data aggregation processing on the growth parameter information and the product circulation information to obtain agricultural metadata; and obtaining access request information, and based on the access request information, obtaining target information from the agricultural metadata and pushing the target information. The agricultural information can be analyzed and processed, agricultural metadata for promoting the growth process or the production process of agricultural products is obtained ...

An Image-based local enhanced mountain crack detection method

... 本发明公开了种山体裂缝检测方法，包括通过图像滑动窗口对采集的图像进行分析，确定图像的每个像素点的对比度；根据该对比度，构建对比度图，对对比度图进行分析，确定对比度图的最佳分割阈值，根据该阈值，确定出待增强的区域，并对待增强区域进行图像增强处理；对处理后的图像进行分析，确定出灰度特征图和方差特征图；求取灰度特征图和方差特征图的最佳分割阈值，并求取灰度特征和方差特征的二值图，对两个二值图进行求与操作，确定出裂缝的二值图；对目标裂缝的二值图进行变换确定其细化骨架，并对骨架进行区域延伸处理，得到骨架上所有裂缝潜在区域；对骨架的像素进行遍历，得到裂缝的长度信息，并根据区域的像素个数，计算裂缝的面积。 ...

Dynamic form testing method and system based on component packaging and electronic equipment

The invention provides a dynamic form test method and system based on component encapsulation and electronic equipment, in the method, a basic class and an implementation class are set for a component, the basic class comprises a general method for component construction, and the implementation class comprises a general method for component construction. The implementation class comprises a unique attribute of the target component and a unique dynamic form test method based on component packaging of the target component. Therefore, after the implementation class corresponding to the target component is obtained, the test process for the target component is adjusted according to the implementation class, and the target component verification point constructed in the page is tested according to the adjusted test process to obtain a test result. Due to the fact that the target component is divided into the basic class and the implementation class, one test process does not need to be added ...

Svg drawing method and control system capable of freely changing broken line

The invention relates to an svg drawing method and control system capable of freely changing a broken line, which can realize the personalized requirements of paths and pipelines by drawing the broken line capable of customizing change by adopting svg, does not need a designer to draw, and greatly reduces the workload of the designer. If a complex circuit diagram or a network cable diagram is built, the workload of building can be reduced. The method has the technical effect that the time cost of a designer is reduced. The user-defined convertible broken line is used for replacing UI design with different broken line, path and pipeline requirements or UI redrawing caused by change of the same requirement under a low-code tool, and the workload of a designer is greatly reduced. The weight is light. The svg drawing is used for replacing png or jpg of a broken line, a path and a pipeline in a large-screen page built by a low-code tool, so that the memory occupation of the final large-screen ...

Heat exchange tube control method for graphite electric energy storage device and heat supply system

The invention discloses a heat exchange tube control method for a graphite electric energy storage device and a heat supply system.The graphite electric energy storage device comprises a graphite electric energy storage module, a heat exchange tube, an inlet header pipe, a flow meter, an adjusting valve and a processing module, manual valves and electromagnetic valves are arranged on connecting sections, and the inlet header pipe is connected with each connecting section; a flow meter and an adjusting valve are arranged on the inlet header pipe, and the heat exchange pipe control method is characterized by comprising the steps that the flow meter, the adjusting valve, a manual valve and an electromagnetic valve are used for conducting initialization setting on the flow of each heat exchange pipe; the processing module obtains the temperature value of each layer of graphite electric energy storage module and obtains the flow value of the heat exchange tube through a flow meter. The processing ...

Software call tracking device and software call tracking method in Internet of Things operating system

The invention relates to a software calling tracking device and a software calling tracking method in an Internet of Things operating system, which are characterized in that lightweight design, deployment and construction of system design are realized in a set of Internet of Things operating system along with deployment of the Internet of Things operating system; all running processes are completed in a set of operating system software and application running examples, natural and all functions of the operating system are closely combined, all applications conforming to standards of the operating system of the Internet of Things are deployed to the operating system, and the system is naturally accessed to track, collect, analyze and display. And related functions such as buried point generation and collection are developed by using a bottom-layer or native language, so that the lightweight and high performance of an operating system of the Internet of Things are greatly helped. In an Internet ...

Wire conveying mechanism of wire cut electrical discharge machine

The wire conveying mechanism of the wire cut electrical discharge machine comprises a supporting frame and an electrode wire, a connecting plate is fixedly connected to the middle of the front end of the supporting frame, a sliding rail is fixedly connected to the front end of the connecting plate, and a double-output motor is fixedly connected to the middle of the front end of the sliding rail. Two output ends of the double-output motor are fixedly connected with lead screws, the portions, away from the double-output motor, of the two lead screws are movably connected with tensioning mechanisms, the two tensioning mechanisms are movably connected with the sliding rail, and a third guide wheel and a fourth guide wheel are sequentially and movably connected to the upper side of the right portion of the front end of the supporting frame from left to right through a rotating shaft. The lower side of the right portion of the front end of the supporting frame is movably connected with a first ...

Low-noise amplifier applied to front end of Internet of Things

The invention relates to a low-noise amplifier applied to the front end of the Internet of Things. According to the low-noise amplifier, a substrate of a first PMOS tube is connected with a source electrode of the first PMOS tube, a substrate of a second PMOS tube is connected with a source electrode of the second PMOS tube, a grid electrode of the first PMOS tube is grounded through a first resistor and is connected with a third inductor and a drain electrode of an NMOS tube through a second capacitor, the third inductor is connected with a fourth inductor, a fifth inductor and a third capacitor, and the fourth inductor is connected with a second resistor. The fourth inductor is connected with the drain electrode of the first PMOS tube and the fourth capacitor, the fourth capacitor is connected to the grid electrode of the second PMOS tube and the second resistor, the drain electrode of the second PMOS tube is connected to the output end, the drain electrode of the second PMOS tube is ...

Locomotive data interaction system

... 本实用新型公开了一种机车数据交互系统，机车微机通过CAN总线与机车设备进行数据交换，机车设备包括机车显示屏、机车变流器、机车监视器、柴油机控制器、油表，机车设备向CAN总线发送数据变量时，利用帧编码器对变量添加帧编码号，机车设备接收CAN总线传输的数据变量，利用帧解码器解析数据变量的帧编码号，采集数据，通过将数据变量根据变量重要性分为规则变量和特殊变量两部分，定期发送固定变量，有请求的情况下发送特殊变量，缩短定期发送数据的传送周期；自主选择显示的数据变量，被选择的数据变量可以在同一个页面中显示，所有数据变量都可以被选择。 ...

Method for virtual test of frequency characteristics of rotating mechanical equipment

The invention relates to a method for virtually testing the frequency characteristic of rotating mechanical equipment, which comprises the following steps of: obtaining an accurate rotating equipment digital simulation model through the actual structure size and material attribute of a rotating equipment system under the conditions of set load and vibration isolation parameters; and converting the digital simulation model of the rotating equipment into a virtual prototype model of the rotating equipment for mechanical vibration system analysis through a virtual prototype technology, thereby realizing virtual test and analysis of vibration frequency characteristics of the rotating equipment in ADAMS software. And a new method is provided for the virtual simulation test of the vibration test of the mechanical equipment. The invention provides an engineering rotary mechanical equipment vibration virtual test method, a three-dimensional geometric digital model of a rotary mechanical equipment ...

Cross-language compiling method and system and readable storage medium

The invention relates to the technical field of programming, and particularly provides a cross-language compiling method and system and a readable storage medium. The method comprises the steps that program codes are obtained, the program codes at least comprise a first code and a second code, and the first code and the second code are compiled by a first language and a second language respectively; intermediate program codes are generated on the basis of the first codes and the second codes, the intermediate program codes comprise the first codes and the second codes, language indicator statements are arranged in front of the first codes and the second codes and used for indicating which language the program codes are written by, and AST parsers of the same type are adopted for parsing when the program codes are compiled; according to the cross-language compiling method disclosed by the embodiment of the invention, program codes compiled in different languages can be applied in the same ...

International matching method for Internet of Things operating system

The invention relates to an internet of things operating system internationalization matching method, which is characterized in that in an internet of things operating system, a corresponding public interface is specified to standardize three-party applications instead of only language multi-adaptation, and a verification mechanism is added to ensure the robustness of an internationalization mechanism; a set of link tracking design scheme for information prompt is used for solving the problem of complex back-end prompt information of links, rapid positioning and accurate holding are achieved, the application service modification cost is low, operation and maintenance developers can be assisted in accurate positioning, and the overall design scheme is a few technical scheme and is not seen in the existing market. Aiming at pain points existing in the prior art, an instruction set Internet of Things operating system is enabled to be national, a safe, stable, uniform and quick-response multi-language ...

Pluggable protocol plug-in test system based on industrial Internet of Things and application method thereof

The invention relates to a plug-in protocol plug-in test system based on an industrial internet of things and an application method thereof, and the time cost of searching or learning different simulators in the plug-in test process of development or test or project implementation personnel is reduced by integrating a data simulation function of a standard protocol in the industrial internet of things. By realizing the parameterized configuration of the plug-in, the plug-in analyzes different protocols according to the configuration, and the workload of hard coding is reduced. After the system creates channels and point locations, data simulation reporting can be performed through a data simulation function, point location data can be subscribed and displayed in a page point location list real-time value in real time, a user can be quickly helped to test protocol plug-ins, the time cost for learning and installing different protocol simulator tools in the development and test process is ...

Agitating unit for building site with cooling effect

... 本实用新型公开了种具有冷却效果的建筑工地用搅拌装置，包括输料组件、吸尘组件、搅拌组件和冷却组件，所述输料组件设于搅拌组件的顶部，冷却组件设于搅拌组件的外部，吸尘组件与输料组件配合设置；所述输料组件包括输料筒，输料筒的端设有号电机，在输料筒的顶部两端设有开口朝向不同的号进料口和二号进料口，在输料筒的内部设有输料轴。本实用新型设有号进料口和二号进料口，通过两个进料口同时进料，大大缩短了进料的时间，有效提高了整个搅拌的效率，同时，吸尘组件的设置能够有效的避免扬尘的产生，有效的对环境进行了保护，冷却组件的设置能够在定程度上降低搅拌时的温度，保证整个搅拌的效果以及搅拌后物料的性质。 ...

Image acquisition optimization system based on robot vision

The invention discloses an image acquisition optimization system based on robot vision, and relates to the technical field of image acquisition. Comprising an image acquisition module, an image segmentation unit, a background image acquisition unit, a target image acquisition unit, a target image analysis module and a target image optimization module. The image acquisition module is used for acquiring images by utilizing robot vision; the image segmentation unit is used for segmenting an image to obtain a sub-background image and a sub-target image; the background image acquisition unit is used for processing the segmented sub-background images to obtain a background image and sub-target images; the target image acquisition unit is used for acquiring a target image; the target image analysis module is used for analyzing the target image, obtaining the inclusion rate of the target image according to an analysis result, and generating an optimized target image; the target image optimization ...

Digital virtual space creation method, digital asset processing method and digital asset processing device

One or more embodiments of the invention disclose a digital virtual space creation method, a digital asset processing method and a digital asset processing device. The digital virtual space creation method comprises the following steps: receiving a creation request sent by a first user for creating a digital virtual space in a block chain system, wherein the creation request comprises user identity information of the first user; and obtaining first authorization information of a supervision mechanism accessing the block chain system for the creation request. If it is determined that authorization of the creation request is passed based on the first authorization information, signature information of a trusted institution accessing the block chain system for the creation request is acquired, and the trusted institution comprises a third-party operation institution and/or the supervision institution. And generating virtual space data corresponding to the first user based on the signature ...

Recovery method of zinc-bromine flow battery electrolyte

The invention discloses a method for recovering electrolyte of a zinc-bromine flow battery, and belongs to the field of flow batteries. And adding a carbonate additive into the electrolyte after bromine removal of the electrolyte of the zinc-bromine flow battery is completed. The additive has stable properties in the electrolyte of the zinc-bromine battery, does not participate in a charge-discharge reaction in the charge-discharge process of the battery, has an effect of adjusting the pH value of the electrolyte, and does not introduce new impurities into the electrolyte. After the battery runs for a long time, in order to ensure the stable running of the battery, bromine removal needs to be performed on electrolyte regularly, and when the battery is standby, a large amount of elemental zinc deposited on a negative electrode can react with hydrogen ions in the electrolyte, so that the capacity is reduced, and the coulombic efficiency of the battery is influenced. And when the pH value ...

Agricultural target detection data set construction method and system and electronic equipment

The invention relates to the technical field of agricultural data set construction, in particular to an agricultural target detection data set construction method and system and electronic equipment. The method comprises the steps of obtaining an initial agricultural target detection data set based on an agricultural virtual scene; obtaining a trained first model and a trained second model, verifying the trained first model by using the verification data set to obtain a first verification result, and verifying the trained second model by using the verification data set to obtain a second verification result; and when the second verification result is superior to the first verification result, optimizing the agricultural virtual scene until a preset condition is met, performing image acquisition on the current agricultural virtual scene to obtain a plurality of target virtual scene images, and forming a final agricultural target detection data set. Through continuous feedback optimization ...

Crop disease detection method and device, electronic equipment and storage medium

The invention provides a crop disease detection method and device, electronic equipment and a storage medium, and relates to the technical field of smart agriculture. The method comprises the steps of obtaining shot image data of crops, and determining weight image data according to a color range and the shot image data; obtaining character description data of crops, and determining a keyword sequence according to the part-of-speech category and the character description data; performing feature extraction on the weight image data and the keyword sequence to obtain an image feature vector and a character feature vector, and determining a fusion feature vector according to the image feature vector and the character feature vector; and matching the fusion feature vector with a disease database to obtain a disease category and a disease degree. According to the method, the image shooting data and the text description data are fused, the disease characteristics of the crops are accurately obtained ...

Temperature monitoring device for fan on thermoelectric unit and monitoring method thereof

The invention discloses a temperature monitoring device for a fan on a thermoelectric unit and a monitoring method thereof, relates to the technical field of temperature monitoring, and aims to solve the problems that an existing temperature monitoring device is generally of a fixed installation type and can only monitor the temperature change comprehensively in the heat exchange process of the fan due to the fact that the monitoring surface is small and the monitoring range is difficult to adjust. And the accuracy of temperature data is influenced. A fan mounting plate is fixedly mounted at one end in the fan temperature monitoring cavity; the temperature monitoring plates are fixedly mounted at the front end and the rear end of the fan mounting plate, a through hole is formed in the middle of each temperature monitoring plate, a temperature monitoring net frame is mounted in each through hole, and a plurality of annular frames are fixedly mounted on the outer wall of each temperature ...

Fire-resistant protection device for precipitation valve of aircraft fuel tank and aircraft

The invention relates to a fire-resistant protection device for an aircraft fuel tank sediment discharging valve and an aircraft. The fire-resistant protection device for the precipitation valve of the aircraft fuel tank comprises an outer fixing cover, an elastic piece, an inner sealing cover and a high-temperature-resistant sealing ring. Wherein the outer fixing cover is installed on an oil tank, the inner sealing cover comprises a lower flange, the high-temperature-resistant sealing ring is installed between the lower flange of the inner sealing cover and a lower wall plate of the oil tank, the elastic piece is installed between the inner top surface of the outer fixing cover and the lower flange of the inner sealing cover, and the outer fixing cover comprises a plurality of circulation channels located on the side face of the outer fixing cover. And the inner sealing cover adopts a full-sealing design and is used for covering the sediment discharging valve. According to the technical ...

Internet of Things operating system edge cloud collaboration system

The invention discloses an Internet of Things operating system edge cloud collaboration system, which comprises an identity setting module connected with a currently deployed Internet of Things operating system; the channel management module is connected with the currently deployed Internet of Things operating system; and the data processing module is used for processing transmission data between the platform server and the edge server, setting data of which service application is subscribed according to the service application, and distributing the data to the service application corresponding to the subscription for receiving when the data is transmitted to the server where the data routing module is located. According to the edge cloud collaboration system of the operating system of the Internet of Things, various function selections such as identity setting, authorization and connection establishment, data transmission logic link selection, transmission data encryption and data compression ...

Service logic vulnerability attack detection model training method and device

The invention discloses a service logic vulnerability attack detection model training method and device, and belongs to the technical field of network security, and the method comprises the steps: obtaining first service related data recorded in a process of historically running service logic of different attack tags, the attack label comprises a business logic vulnerability attack behavior and a non-business logic vulnerability attack behavior, extracting attack feature data from the first business related data to obtain a training sample comprising the attack label and the feature data, the attack feature data being feature data representing whether the business has business logic vulnerability attack behavior related or not, and the training sample comprising the feature data representing whether the business has the business logic vulnerability attack behavior related or not; and taking the attack feature data as input of a business logic vulnerability attack detection model, and performing ...

Agricultural information transmission method and device, electronic equipment and storage medium

The invention provides an agricultural information transmission method and device, electronic equipment and a storage medium, and relates to the technical field of image processing, and the method comprises the steps: receiving sensor data collected by a target sensor in a plurality of deployed sensors, obtaining abnormal data in the sensor data, and storing the abnormal data in the target sensor; the abnormal data reflect events occurring in the action range of the target sensor; target image acquisition equipment corresponding to the target sensor is controlled to acquire farmland videos based on the abnormal data, and farmland areas corresponding to the target sensor and the target image acquisition equipment are consistent; an event frame is extracted from the farmland video, the event frame reflects an event occurring in an image acquisition range of the target image acquisition equipment, and the farmland video is compressed based on the event frame to obtain compressed video data ...

Decompiling method and tool, readable storage medium and program product

The invention belongs to the technical field of computers, and particularly relates to a decompilation method and tool, a readable storage medium and a program product, and the decompilation method comprises the following steps: obtaining a target byte code file; analyzing the bytecode file into an instruction list, and identifying and processing Kotlin characteristics of the bytecode file according to a preset mode; constructing an abstract syntax tree according to the instruction list; and converting the abstract syntax tree into a Kotlin source code. According to the decompilation method provided by the invention, the characteristic support of the Kotlin is more perfect, various grammar structures in the Kotlin program can be correctly decompiled, the decompilation speed is higher, and the generated code is clearer and easier to understand.