FEED ADDITIVE

The additive of forage for livestock and poultry consists of chlorpromazine, quinoline alcohol, humic acid sodium, hawthorn powder, dry scorpion powder, saccharification enzyme and amylase.

Front wheel driving control system and method of rubber-tyred paver and rubber-tyred paver

The invention relates to an anti-skid front wheel driving control system for a rubber-tyred paver, comprising a first detector, a second detector, a third detector and a control device. The first detector is used for detecting the working travel speed of the rubber-tyred paver; the second detector is used for detecting the steering angle of the rubber-tyred paver; the third detector is used for detecting the load pressure of the rubber-tyred paver; and the controller respectively receives signals from the first detector, the second detector and the third detector, generates and compares a first pre-output value, a second pre-output value and a third pre-output value and outputs the maximum pre-output value as the final output value to a front wheel driving hydraulic circuit of the rubber-tyred paver. Besides, the invention also relates to a rubber-tyred paver provided with the front wheel driving control system of the type and a method of the front wheel driving control system for controlling ...

Supplement of fodder

Wireless transmission device and correlated method

The invention relates to a wireless transmission method for broadcasting groups to a plurality of receive devices, which includes that: the a plurality of the groups are broadcasted to the receive devices; signals transmitted by the receive devices are received, a plurality of estimated results are generated by the signals which are transmitted by the receive devices, every estimated result corresponds to receive quality of the groups received by every receive device.; every receive device is determined whether the groups are received by the receive device or not according to every estimated result and a receive condition, and at least one of the receive devices for receiving the groups is applicably stored; information corresponding to at least one of the receive device is judged whether a broadcasted group is necessarily re-received or not according to the information and the signal transmitted by at least one of the receive device which is applicable to receive the groups.

Method and device for calibrating and positioning

The embodiment of the invention discloses a method and a device for calibrating and positioning, which are used for calibrating parameters of a mechanical device. The method comprises the following steps: acquiring a calibration value of a parameter to be calibrated in a preset working mode, wherein the calibration value is the actual measurement value of the parameter to be calibrated in the preset working mode; judging whether the calibration value is equal to a system value of the parameter to be calibrated or not in the preset working mode; when the calibration value is judged not equal to the system value, using the calibration value to update the system value; and according to the updated system value, acquiring real-time data of the parameter to be calibrated. The method and the device implement calibration for the parameters of the mechanical device through electric calibration, and achieve the effects of simple calibration and easy usage and maintenance.

Leveler electric control proportional pump control method

Device and method for choosing transmission path in wireless network

The invention relates to a device for choosing a transmission path in a wireless network, comprising a radio frequency module, a fundamental frequency module and a control module. The radio frequency module is coupled with multiple antennas and is used for processing packets respectively received by the antennas. The fundamental frequency module generates signal strength corresponding to the antennas according to the packets received by each antenna. The control module is coupled with the fundamental frequency module for receiving signal strength and respectively controls the antennas to be either enabled or disabled according to signal strength difference.

Signal processing circuit

A signal processing circuit comprises a first frequency synthesizer, a second frequency synthesizer, a first radio-frequency circuit, a first analog front end circuit, a second radio-frequency circuit and a second analog front end circuit; wherein, the first frequency synthesizer and the second frequency synthesizer are respectively used for generating a first frequency and a second frequency; the first radio-frequency circuit is coupled with the first frequency synthesizer; the first analog front end circuit is coupled with the first radio-frequency circuit; the second radio-frequency circuit is coupled with the second frequency synthesizer; and the second analog front end circuit is coupled with the second radio-frequency circuit; wherein, the first radio-frequency circuit and the firstanalog front end circuit can support signal transmission of a first frequency band, and the second radio-frequency circuit and the second analog front end circuit can support signal transmission of asecond ...

Method and device for calibrating and positioning

The embodiment of the invention discloses a method and a device for calibrating and positioning, which are used for calibrating parameters of a mechanical device. The method comprises the following steps: acquiring a calibration value of a parameter to be calibrated in a preset working mode, wherein the calibration value is the actual measurement value of the parameter to be calibrated in the preset working mode; judging whether the calibration value is equal to a system value of the parameter to be calibrated or not in the preset working mode; when the calibration value is judged not equal to the system value, using the calibration value to update the system value; and according to the updated system value, acquiring real-time data of the parameter to be calibrated. The method and the device implement calibration for the parameters of the mechanical device through electric calibration, and achieve the effects of simple calibration and easy usage and maintenance.

Operation method of controller and controller system

The invention provides an operation method of a controller and a controller system for solving the problem in the prior art of inconvenience in production and maintenance of a plurality of controllers which are used at the same time. The method comprises the following steps that: the controller obtains a function identification signal, and executes a function corresponding to the received function identification signal according to the congruent relationship between a preset function identification signal and the function. By adopting the technical scheme, troubles in the production in batch and maintenance and possible loss are reduced.

Multi-antenna transmitting and receiving device and operation method thereof

The invention relates to a multi-antenna transmitting and receiving device and an operation method thereof. The multi-antenna transmitting and receiving device is used for transmitting and receiving a data frame and comprises M RF front-end circuits, an analog front-end circuit and a controller, wherein the controller is used for controlling the usage of the M RF front-end circuits and the analog front-end circuit according to different operation modes so as to achieve the efficacy of energy saving.

Device and method for connecting wireless network

The invention provides a device and a method for connecting a wireless network to achieve wireless connection of an access point. The device comprises a radio frequency module, a fundamental frequency module and a control module, wherein the radio frequency module receives a packet transmitted by the access point; the fundamental frequency module processes the packet to generate signal intensity corresponding to the access point; and the control module generates a conditioning signal according to the signal intensity and adjusts a gain value of the radio frequency module according to the conditioning signal.