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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 24. Отображено 24.
09-09-2015 дата публикации

Universal fixture device and method for machining fan-shaped workpiece combinations

Номер: CN104889758A
Автор: HUANG BAOPING, XIAO TONG, WANG DONGSHAN, CAI YANGUANG
Принадлежит:

The invention relates to a universal fixture device and a method for machining fan-shaped workpiece combinations. The universal fixture device and the method have the advantages that slide grooves are formed in fixture bodies of the fixture device according to the numbers of fan-shaped workpieces, the lengths of the slide grooves are designed according to the limit sizes of the workpieces, and accordingly the fixture device is high in universality; designs of fixtures are simplified, and accordingly labor, the time and the cost can be saved; tools with different specifications do not need to be selected according to the different workpieces, accordingly, the production preparation time is short, wastage of a large quantity of time for pre-machining preparation work can be prevented, the preparation time can be shortened by one week to half a month at least as compared with the prior art, the integral machining periods can be shortened, and the machining efficiency can be improved; the fan-shaped ...

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Номер записи: 1
10-12-2014 дата публикации

Real-time control method and system for electrocardiogram data quality

Номер: CN104188652A
Автор: XING YAN, DAI WEI, CAI YANGUANG, CAI HAO, YANG QIYU, JIANG WEIJIE
Принадлежит:

The invention relates to a real-time control method and system for electrocardiogram (ECG) data quality. The method includes the following steps that S1, ECG signals are collected; S2, whether all detection items of the ECG signals are abnormal or not is judged according to detection item judgment standards in an ECG data quality knowledge base, then whether the quality of the ECG signals reaches the standard or not is judged, if a certain detection item of the ECG signals is abnormal, the quality of the ECG signals is judged to be substandard, and the step S3 is executed; S3, collection of the ECG signals is stopped, the abnormal detection item and possible causes of the abnormal detection item are prompted, corresponding recommended measures are provided, and an audible alarm is given. The real-time control method for the electrocardiogram (ECG) data quality is accurate, simple, efficient and fast, when used in cooperation with a monitoring system, the real-time control method can achieve ...

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Номер записи: 2
24-09-2014 дата публикации

Lane line fast detection method based on improved Hough transform

Номер: CN104063691A
Автор: CAI YANGUANG, HUANG GANG, CAI HAO, TANG YALIAN
Принадлежит:

The invention discloses a lane line fast detection method based on Hough transform. The method comprises the following steps: the image preprocessing step and the lane line extraction step. In the image preprocessing step, at first, image noise is eliminated through improved median filtering; and then, edge detection is performed through 45-angle and 135-angle Sobel operators; and finally, the lane line is segmented through the OTSU method. In the lane line extraction method, the lane line angle range is detected at the first frame to reduce the Hough space search range; in the subsequent frame detection, search is performed near the previous frame of frame lane line image space and the parameter space at first, and if no lane line is detected or the parameter difference is large, then the search range is expanded. According to the method, the lane line recognition speed can be quickened, and the system anti-interference capability can be improved.

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Номер записи: 3
10-09-2014 дата публикации

Chaos immune algorithm based multi-vehicle assembly line logistics transportation scheduling method

Номер: CN104036380A
Автор: CAI YANGUANG, LE FENG, CAI HAO
Принадлежит:

The invention discloses a chaos immune algorithm based multi-vehicle assembly line logistics transportation scheduling method, and aims to solve the problem about logistics transportation scheduling of multi-depot and multi-vehicle assembly line production. The method includes: firstly, according to characteristics of an assembly line production mode, determining basic factors of the logistics transportation scheduling problem, wherein the basic factors include time windows, distribution periodicity, cargo relevance, multi-type depots and the like of production logistics transportation scheduling; secondly, establishing a mathematical model including an objective function and constraint conditions; thirdly, designing a chaos immune algorithm for the proposed mathematical model; finally, utilizing the designed chaos immune algorithm to solve the mathematical model. By applying the designed algorithm, the problem about logistics transportation scheduling of assembly line production of multiple ...

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Номер записи: 4
03-09-2014 дата публикации

PCB (Printed Circuit Board) layer quantity and lead wire thickness measurement method based on straight-line detection

Номер: CN104021565A
Автор: CAI YANGUANG, XIE DENGYANG, CAI HAO
Принадлежит:

The invention discloses a PCB (printed circuit board) layer quantity and lead wire thickness measurement method based on straight-line detection. The method comprises the following steps: firstly, carrying out lead line boundary extraction and boundary refining on a PCB binary image; then, carrying out the straight-line detection based on Hough conversion on the image containing lead line boundary information to obtain a lead line straight-line boundary in the vertical direction of a hole wall; then, carrying out classification identification on the lead line straight-line boundary in the vertical direction of hole wall copper to obtain a plurality of sets of straight-line boundaries; and finally, calculating according to each type of straight-line boundary function to obtain PCB layer quantity of the whole hole, outer-layer lead line thickness and a measurement result of the thickness of each inner-layer lead line. The PCB layer quantity and lead wire thickness measurement method based ...

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Номер записи: 5
03-09-2014 дата публикации

Adaptive mean shift algorithm based on local invariant feature detection

Номер: CN104021564A
Автор: CAI YANGUANG, GUO DONG, CAI HAO, XING YAN
Принадлежит:

The invention discloses an adaptive mean shift algorithm based on local invariant feature detection. According to the adaptive mean shift algorithm based on local invariant feature detection, local invariant feature detection and the adaptive mean shift algorithm are combined, the detection and matching of local invariant feature points of an object are introduced during searching, and the region of search is recalculated through obtained matched feature points, so that the region of search can be excellently constrained around a target range, and finally, the accuracy of a tracking process is ensured. The adaptive mean shift algorithm based on local invariant feature detection has the advantage that the accuracy and stability of searching are greatly improved relative to those of adaptive mean shift algorithms.

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Номер записи: 6
30-09-2015 дата публикации

Video information based method for detecting vehicles at intersection

Номер: CN104952256A
Автор: CAI YANGUANG, LIU HONGYU, CAI HAO, HUANG YONGHUI
Принадлежит:

The invention discloses a video information based method for detecting vehicles at an intersection. The method comprises steps as follows: reading an initial frame of image of a traffic video; initializing background models; establishing a background for each pixel in an image; selecting data of the next frame of image; comparing and judging the gray value and the sample set of each x; performing binarization processing on the image; applying different update strategies for different conditions; updating sample sets of the background models; returning to Step 3 until video frames are ended. The method aims to solve problems of ghost areas, absorption of static targets as backgrounds and the like of the Vibe algorithm, update strategies for foreground points are improved, if a pixel point is detected as a foreground for 50 times continuously, the background model of the point is reinitialized, background models of 8 neighborhood points of the point are updated, and ablation of ghosts is ...

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Номер записи: 7
10-09-2014 дата публикации

Method for solving time-varying associated logistics transportation vehicle routing problem with hard time window

Номер: CN104036379A
Автор: CAI YANGUANG, GUO SHUAI, CAI HAO
Принадлежит:

The invention discloses a method for solving a time-varying associated logistics transportation vehicle routing problem with a hard time window. The method includes the following steps: 1), building a math model of the time-varying associated logistics transportation vehicle routing problem with hard time window constraint; 2), designing an immune ant colony chaos taboo search algorithm to solve the problem. The method has the advantages that actual circumstances in the logistics transportation vehicle routing problem are reflected more accurately, so that a scheduling scheme formulated on the basis of the actual circumstances is more reliable; shortest vehicle traveling distance is taken as an optimization target, so that adapting requirements on the hard time window can be met better. The immune ant colony chaos taboo search algorithm is introduced, so that the method is enabled to have higher global and local optimization capability, and the method is enabled to have higher efficiency ...

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Номер записи: 8
10-09-2014 дата публикации

Single-vehicle streamline logistics transportation dispatching method on basis of immune genetic algorithm

Номер: CN104036381A
Автор: CAI YANGUANG, LE FENG, CAI HAO
Принадлежит:

The invention discloses a single-vehicle streamline logistics transportation dispatching method on the basis of an immune genetic algorithm. Multi-yard single-vehicle streamline production logistics transportation dispatching can be implemented by the aid of the single-vehicle streamline logistics transportation dispatching method. The single-vehicle streamline logistics transportation dispatching method includes building multi-yard single-vehicle streamline logistics transportation dispatching models; determining basic factors, including production logistics transportation dispatching time windows, delivery periodicity, goods relevance, yard diversity and the like, of logistics transportation dispatching according to characteristics of streamline production modes; building mathematical models containing objective functions and constraint conditions; designing the immune genetic algorithm for the mathematical models; solving the mathematical models by the aid of the designed immune genetic ...

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Номер записи: 9
10-09-2014 дата публикации

Algorithm for solving single-depot time-varying associated logistics transportation vehicle routing problem

Номер: CN104036333A
Автор: CAI YANGUANG, GUO SHUAI, CAI HAO, TANG YALIAN
Принадлежит:

The invention discloses an algorithm for solving a single-depot time-varying associated logistics transportation vehicle routing problem. The algorithm includes that a chaos taboo search algorithm is adopted, the algorithm takes speed time-varying influence in the process of vehicle traveling into consideration, an association form is added into a target function in a manner of associating penalty cost, and a math model of the single-depot time-varying associated logistics transportation vehicle routing problem is built; on the basis of the math model, the chaos taboo search algorithm is provided to solve the problem. A taboo search algorithm is improved by utilizing advantages, of a chaos search mechanism, like globality, randomness and ergodicity. A 2-opt mode and a routing point two-point exchange mode are used in the process of neighborhood structuring. Finish criteria of specified iteration steps and optimal solution maximum unchanged times are used to finish the algorithm, so that ...

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Номер записи: 10
07-04-2023 дата публикации

Robot path planning method, system and equipment

Номер: CN115933680A
Автор: CAI YANGUANG, LIU JINWANG, CAI HAO, HUANG JIACHENG
Принадлежит:

The invention relates to the technical field, and discloses a robot path planning method, system and equipment, and the method comprises the following steps: S1, constructing an environment model; s2, constructing a target function of path planning; s3, initializing parameters of particles; s4, initializing a particle population; s5, constructing a path according to the parameters of the particles and the particle population; s6, calculating the fitness of the constructed path; by updating a path individual optimal value and a group optimal value, recording individual optimal path node coordinates and group optimal path node coordinates for iteration; a disturbance factor strategy is introduced, the optimal value of the group is further updated, and iterative optimization is carried out; s7, judging whether the number of iterations at the moment is smaller than the set maximum number of iterations or not, if yes, adopting the improved adaptive strategy particle parameters and the particle ...

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Номер записи: 11
30-09-2015 дата публикации

Method for solving multiple-depot logistics transportation vehicle routing problem

Номер: CN104951850A
Автор: CAI YANGUANG, ZHU JUN, CAI HAO
Принадлежит:

The invention discloses a method for solving a multiple-depot logistics transportation vehicle routing problem. The method comprises steps as follows: inputting multiple-depot problem basic parameters based on real-time traffic information, establishing a multiple-depot logistics transportation scheduling mathematic model based on the real-time traffic information, adopting a clustering analysis method, introducing the particle swarm optimization algorithm to adjust and optimize ant colony algorithm pheromones, optimizing ant colony algorithm heuristic factors with the particle swarm optimization algorithm, solving an optimal distribution route, and establishing a mathematic model according to the multiple-depot logistics transportation vehicle routing problem based on the real-time traffic information; taking distances between clients and parking lots as main factors, performing area division on the clients and the parking lots with the clustering analysis method, and converting a multiple-depot ...

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Номер записи: 12
11-08-2010 дата публикации

Vehicle-mounted cargo monitoring system based on RFID and monitoring method

Номер: CN0101799898A
Автор: HAO CAI, YANGUANG CAI, ZHONGMING REN, CAI HAO, CAI YANGUANG, REN ZHONGMING
Принадлежит:

The invention discloses a vehicle-mounted cargo monitoring system based on RFID and a monitoring method; the system comprises an RFID reader with a plurality of induction antennas, a vehicle-mounted hand-held terminal and a remote monitoring center and has loading, monitoring and unloading working modes; under the loading mode, the RFID reader automatically reads electronic tag information of goods, and the electronic tag information is stored in the vehicle-mounted hand-held terminal; under the monitoring mode, when the goods is departed from a compartment, the RFID reader informs the vehicle-mounted hand-held terminal immediately, and the vehicle-mounted hand-held terminal sends out an alarming signal and the alarming signal is reported to the remote monitoring center; under the unloading mode, the RFID reader can automatically read the electronic tag information of the goods and the electronic tag information is transmitted to the vehicle-mounted hand-held terminal, and the vehicle-mounted ...

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Номер записи: 13
03-09-2014 дата публикации

Traffic coordination control method of multiple intersections

Номер: CN104021686A
Автор: CAI YANGUANG, WANG FANGTING, CAI HAO, HUANG YONGHUI
Принадлежит:

The invention relates to a traffic coordination control method of multiple intersections, belonging to the technical field of intelligent transportation. The method comprises the following steps: (1) establishing an intersection transportation control model containing mixed traffic flows; (2) solving the established intersection transportation control model containing the mixed traffic flows by using a chaos differential evolution algorithm. The method has the beneficial effects that the constraints of the mixed traffic flows are taken into account, and then, the traffic conditions of the intersections are more accurately reflected, so that a signal coordination scheme developed based on the traffic conditions is more reliable; minimum vehicle delay, minimum stop number and maximum pass capacity are targeted, so that the effectiveness of traffic coordination control is improved to the maximum. The traffic control method of the intersections containing the mixed traffic flows, based on the ...

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Номер записи: 14
14-04-2023 дата публикации

Pilotless automobile logistics transportation scheduling method with capacity constraint

Номер: CN115965303A
Автор: CAI YANGUANG, CHEN ZIHENG, CAI HAO
Принадлежит:

The invention discloses an unmanned vehicle logistics transportation scheduling method with capacity constraint. The method comprises the following steps: S1, establishing an unmanned vehicle logistics transportation scheduling model with capacity constraint; s2, an improved image group optimization algorithm is used for solving, and the improved image group optimization algorithm comprises a macrobrachium selection operation and a macrobrachium communication operation and has an improved head image updating strategy; and S3, outputting an optimal solution of the pilotless automobile logistics transportation scheduling model with capacity constraint. Aiming at the logistics transportation scheduling problem of the driverless car with capacity constraint, the invention provides an improved image group optimization algorithm for solving, respectively provides a macrobrachium selection operation and a macrobrachium communication operation, and provides an improved head image updating strategy ...

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Номер записи: 15
01-10-2014 дата публикации

Rapid automatic guided vehicle obstacle detection method based on multiple sensors

Номер: CN104076363A
Автор: CAI YANGUANG, HUANG GANG, CAI HAO
Принадлежит:

The invention discloses a rapid automatic guided vehicle obstacle detection method based on multiple sensors. The rapid automatic guided vehicle obstacle detection method based on the multiple sensors is characterized by comprising the first step that a binaryzation image of an image collected by the video sensor is obtained, the second step that a left lane line and a right lane light are detected in the binaryzation image through a Hough algorithm, the third step that the minimum safe distance and farthest obstacle detection distance of an automatic guided vehicle are set, the fourth step that the rough mapping relation of the pixel distance between a certain point in the image and the middle point of the bottom line of the image and the actual distance between the video sensor and the point in the image is calibrated, the fifth step that ultrasonic detection starts through the ultrasonic sensor and obstacle information is detected in real time, and the sixth step that the obstacle is ...

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Номер записи: 16
30-09-2015 дата публикации

Single intersection traffic signal optimizing control method

Номер: CN104952261A
Автор: CAI YANGUANG, WANG HUA, CAI HAO
Принадлежит:

The invention discloses a single intersection traffic signal optimizing control method. The method comprises steps of establishment of a single intersection traffic signal optimizing control model and designing of a chaos-genetic algorithm based on fuzzy self-adaptation, and accordingly, the single intersection traffic signal optimizing control model is solved. The chaos-genetic algorithm for solving the model is put forward according to a designed fuzzy self-adaptation strategy on the basis of the established single intersection traffic signal optimizing control model. With the application of the method, optimizing timing of a single intersection traffic signal is realized on the premise that traffic safety can be guaranteed. Simulated analysis proves that the single intersection traffic signal optimizing control method is concise and effective.

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Номер записи: 17
04-11-2015 дата публикации

General fixture device of fan -shaped work piece combination processing

Номер: CN0204735961U
Автор: HUANG BAOPING, XIAO TONG, WANG DONGSHAN, CAI YANGUANG
Принадлежит:

The utility model relates to a general fixture device of fan -shaped work piece combination processing, fixture device sets up the spout according to the umber of fan -shaped work piece on the anchor clamps body, and the big or small critical dimension design of work piece is pressed to spout length, and the commonality is strong, simplified the design of anchor clamps, labor - and time -saving economizes the expense, need not to go to select the frock of different specifications according to the work piece of difference, production time of preparation is short, need not waste the preparation work before a large amount of time is processed, compares with prior art, and time of preparation shortens a thoughtful two weeks at least, and then has shortened whole processing cycle, has improved machining efficiency, the fan -shaped work piece of different specifications all can adopt same set of frock clamp to process, frock clamp high -usage, and long service life, the utility model discloses ...

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Номер записи: 18
25-03-2015 дата публикации

Data quality control method suitable for cardiovascular remote monitoring system

Номер: CN104462744A
Автор: XING YAN, CAI YANGUANG, CAI HAO, YANG QIYU
Принадлежит:

The invention discloses a data quality control method suitable for a cardiovascular remote monitoring system. The method includes the steps that S1, quality detection is conducted on the integrity of a QRS wave group of electrocardiogram data extracted in a data acquisition stage, the integrity, accuracy, consistency and timeliness of the data in the data storage and management stage and the classification complexity of the data in the data processing and analyzing stage, and whether the data quality meets the standard or not is judged; S2, when the quality of a certain datum or several data in the data acquisition stage, the data storage and management stage and the data processing and analyzing stage does/do not meet the standard, a corresponding control measure is taken so that the data in all the stages can meet the standard; the most suitable classification model and data preprocessing advice are provided for the qualified data. By means of the method, data quality integrated control ...

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Номер записи: 19
10-09-2014 дата публикации

Gray target tracking method based on self-adaptive window

Номер: CN104036526A
Автор: CAI YANGUANG, XIANG ZHOU, CAI HAO
Принадлежит:

The invention provides a gray target tracking method based on a self-adaptive window and mainly aims at solving the problem of real-time size change of a self-adaptive target. The method comprises the steps of (1) determining a target template, (2) extracting characteristics of a mixed histogram, (3) initializing a particle point set, namely setting the sampled particle number N and initializing particle weights, (4) updating the state of the particle point set, (5) observing the particle point set, (6) estimating the state of the target, (7) tracking a window scaling, and (8) resampling. Under a particle filter tracking framework, the movement target template is determined, the state transition equation of the movement target is established, the particle set target window is initialized, the particle set of next moment is predicted, the weight of a likelihood function is calculated, a tie distance between high-weight particles and the center of the particle set is calculated, and the window ...

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Номер записи: 20
03-09-2014 дата публикации

Traffic control method of intersections containing mixed traffic flows

Номер: CN104021685A
Автор: CAI YANGUANG, WANG FANGTING, CAI HAO
Принадлежит:

The invention relates to a traffic control method of intersections containing mixed traffic flows, belonging to the technical field of intelligent transportation. The method comprises the following steps: (1) establishing an intersection transportation control model containing mixed traffic flows; (2) solving the established intersection transportation control model containing the mixed traffic flows by using a chaos differential evolution algorithm. The method has the beneficial effects that the constraints of the mixed traffic flows are taken into account, and then, the traffic conditions of the intersections are more accurately reflected, so that a signal coordination scheme developed based on the traffic conditions is more reliable; minimum vehicle delay, minimum stop number and maximum pass capacity are targeted, so that the effectiveness of traffic coordination control is improved to the maximum. The traffic control method of the intersections containing the mixed traffic flows, based ...

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Номер записи: 21
26-05-2023 дата публикации

Multi-vehicle remote health monitoring offline service task scheduling method

Номер: CN116167558A
Автор: CAI YANGUANG, LI LIXIN, CAI HAO
Принадлежит:

The invention provides a multi-vehicle remote health monitoring offline service task scheduling method, and provides an improved adaptive symbiotic organism search algorithm for solving for the multi-vehicle remote health monitoring offline service task scheduling problem, and the method comprises the following specific steps: establishing a multi-vehicle remote health monitoring offline service task scheduling mathematical model; defining a fitness function; setting control parameters of the algorithm; performing initialization; performing gene fine tuning, individual decoding and fitness value calculation on the initial population; determining a global optimal individual; sequentially executing self-adaptive mutualism operation and self-adaptive partial mutualism operation to update the population; performing gene fine tuning, individual decoding and fitness value calculation on the updated population; updating the optimal solution; judging whether the maximum number of iterations is ...

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Номер записи: 22
07-04-2023 дата публикации

Mobile robot path planning method and system, robot and storage medium

Номер: CN115933668A
Автор: CAI YANGUANG, SU JINMING, CAI HAO
Принадлежит:

The invention discloses a mobile robot path planning method and system, a robot and a storage medium, and relates to the technical field of path planning. The mobile robot path planning method comprises the following steps: dividing a map into 1 * 1 grids by adopting a grid method, and representing passable areas or obstacles by adopting preset color blocks respectively; establishing a mathematical model; initializing whale optimization algorithm parameters; adopting a Tent chaos sequence strategy to initialize the population; executing a linear equidistant interpolation strategy on all whale individuals to add new position vectors; calculating the fitness; selecting a whale individual with the minimum fitness as a current global optimal individual; updating the whale individuals; when the current number of iterations t reaches the maximum number of iterations T, outputting a current global optimal individual; and calculating and generating a cubic uniform B-spline curve to finish path ...

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Номер записи: 23
23-06-2023 дата публикации

Pilotless automobile logistics transportation scheduling method and system oriented to multiple distribution centers

Номер: CN116307964A
Автор: CAI YANGUANG, HU CHENG, CAI HAO
Принадлежит:

The invention relates to the field of logistics transportation, and discloses an unmanned vehicle logistics transportation scheduling method and system for multiple distribution centers, and the method comprises the steps: constructing a logistics transportation scheduling model; the logistics transportation scheduling model is a model for describing that vehicles of a plurality of distribution centers complete delivery tasks of a plurality of clients within a preset time range; calculating an attribution degree between customers, and establishing a customer group of the logistics transportation scheduling model according to the attribution degree; calculating the intimacy between a customer group and a distribution center, and distributing the customer group to the distribution center according to the intimacy; and solving the logistics transportation scheduling model which completes the client base allocation by using an improved ant colony algorithm to obtain an optimal distribution ...

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Номер записи: 24