31results about How to "Control applies" patented technology

The invention discloses an engineering mechanical control system, comprising a manipulator, a signal generation pickup device and a proportional flow valve, wherein, the signal generation pickup device can generate control signals according to the adjustment range of the manipulator, and controls the flow rate of hydraulic oil passing through the proportional flow valve by the control signals; and the proportional flow valve can be connected in series between a hydraulic pump and a hydraulic actuating mechanism. The engineering mechanical control system also comprises a signal processing device and a controller, wherein, the signal processing device can generate rotating speed control signals; and the controller can control the output rotating speed of a power source according to the rotating speed control signals. Besides the control system, the invention also discloses engineering machinery and a control method thereof, wherein, the engineering mechanical control system and the engineering machinery with the control system can cause the output rotating speed of a power source driving a hydraulic pump to run to be matched with the required amount of high-pressure oil of the hydraulic system, and the energy consumption is reduced while the requirement of the driving force of the engineering machinery is satisfied.

The invention relates to a plant source acaricide made from the artemisia annua L. The invention has the artemisia annua L. extract as the main ingredient, together with additional synergist, emulsifying agent and dispersing agent, wherein the percentage by weight of the artemisia annua L. extract which consists of terpenoids, flavonoids and volatile oil compounds is 1 to 15 percent of the mixture. The acaricide is capable of being used to control phytophagous mites harming vegetables, oranges and apples and wheat mites hidden in food, in particular to control carmine spider mite, citrus red mites and copra mites; therefore, the invention has the advantages of high efficiency, low toxicity and no environmental pollution, and does not harm the quality of agricultural products. In addition, the invention also relates to the method of preparation of the plant source acaricide.

The invention relates to an interconnected air suspension cooperative control system and method based on MPC in the field of semi-active suspension system control of vehicles. The cooperative controlsystem is composed of a sensor module, an expansion observer module, an MPC controller, a damping coefficient controller, an interconnection state controller, a vehicle body height controller, a damping coefficient executing mechanism, an interconnection state executing mechanism and a vehicle body height executing mechanism. The MPC controller starts from the top layer; the influence of a dampingcoefficient, an interconnection state and a vehicle body height on the performance is always attributed to the suspension force provided by respective actuating mechanisms; optimization of suspensionperformance indexes is taken as an optimization target. The optimal suspension force is generated by controlling corresponding actuating mechanisms through a damping coefficient controller, an interconnection state controller and a vehicle body height controller in sequence; the optimal suspension force of the system is solved through the MPC controller, then the optimal suspension force is distributed through the damping coefficient, the interconnection state and the vehicle body height executing mechanism in sequence, the control precision is improved, and the system and method are suitablefor control under any working condition.

The invention relates to methods for controlling permanent magnet synchronous motors, in particular to a method for controlling high-power surface permanent magnet synchronous motors.By the aid of the method, the problem of inaccurate decoupling due to variation of parameters of motors in the traditional permanent magnet synchronous motor control procedures can be solved.The method for controlling the high-power surface permanent magnet synchronous motors includes steps of a, carrying out parameter offline identification procedures; b, carrying out parameter online identification procedures; c, carrying out parameter calibration procedures; d, carrying out permanent magnet synchronous motor running control procedures.The method has the advantage that the method is applicable to controlling permanent magnet synchronous motors and is particularly applicable to controlling the high-power surface permanent magnet synchronous motors.

The invention provides a non-contact human body control type light fixture control system, which comprises a processor for controlling a light fixture and at least one image sensor. The image sensor is used for receiving a human face projection image and a human hand projection image of a human face and a human hand, and then sending the human face projection image and the human hand projection image to the processor. Based on the human face projection image, the processor generates the human eye positioning information for positioning human eyes in the human face. The processor also sets an effective region for covering the human face projection image according to the human eye positioning information. When the image sensor detects that the overlapping condition of the human face projection image and the human hand projection image, the image sensor sends a human body action signal received in the effective region to the processor. The processor therefore controls the light fixture based on the human body action signal.

The invention provides an automatic remote control system for a water conservancy gate. The system comprises a weather monitoring unit, an information collection unit, an inertia analysis unit, an inertia database, a humidity monitoring unit, a controller, a water level monitoring unit, a management unit, a display unit, a storage unit, a gate control unit, an intelligent terminal, an intensity monitoring unit, a gate I, a gate II and a gate III. The controller is electrically connected with each unit and is used for receiving, transmitting, analyzing and processing data information and controlling the gate according to an analysis and processing result. According to the invention, humidity information near the reservoir can be monitored in real time, the water level information and the related rainfall information during corresponding rainfall are analyzed by means of the inertial analysis unit according to the weather prediction deviation degree and the relationship between the waterlevel increase and the rainfall and the air humidity, and the analysis is performed by means of recent data, so that enough accuracy of the data can be guaranteed.

The invention discloses an electromagnetic type undervoltage tripping device which comprises a filter circuit, a full-bridge rectifying circuit, a sampling circuit, a single-chip microcomputer circuit, a drive circuit, an electromagnet and a power supply circuit for providing power for the single-chip microcomputer circuit and the drive circuit. The power supply input end of the filter circuit is connected with a power grid. The output end of the filter circuit is connected with the input end of the full-bridge rectifying circuit. The output end of the full-bridge rectifying circuit is connected with one end of the electromagnet, the input end of the power supply circuit and the input end of the sampling circuit. One output end of the power supply circuit is connected with the single-chip microcomputer circuit. The other output end of the power supply circuit is connected with the drive circuit. The output end of the sampling circuit is connected with the single-chip microcomputer circuit. The output end of the single-chip microcomputer circuit is connected with the drive circuit. The drive circuit is connected with a coil winding of the electromagnet. The electromagnetic type undervoltage tripping device is reliable in attraction, safe in operation, small in coil heat value and capable of achieving instantaneous undervoltage tripping and delayed undervoltage tripping without increasing the circuit cost.

The invention discloses a P-gear parking motor controller which comprises a shell, a control circuit board and a connector, a containing cavity is formed in the shell, the control circuit board is arranged in the containing cavity, the connector is connected to the shell in a sealed mode, a pin of the connector is electrically connected to the control circuit board, the control circuit board is in CAN bus communication with an external detection piece through the connector, and the parking motor is controlled to be started and stopped according to a detection signal of the external detection piece. According to the P-gear parking motor controller, CAN bus communication mode connecting is established between the external detection piece and the control circuit board through the connector, the P-gear parking motor controller can be compatible with various detection signals, adjustment is carried out according to user requirements, and the P-gear parking motor controller is high in universality, small in overall size, high in waterproof level and suitable for parking motor control of most electric automobiles.

The invention relates to the technical field of flame retardants, and provides a polyphosphazene and a preparation method thereof. The preparation method of the polyphosphazene comprises the following steps: by adopting 2, 4, 6-tribromophenol, sodium hydroxide and linear polydichlorophosphazene as raw materials, reacting the 2, 4, 6-tribromophenol with the sodium hydroxide to generate sodium 2, 4, 6-tribromophenol, and then reacting the sodium 2, 4, 6-tribromophenol with the linear polydichlorophosphazene to generate the polyphosphazene. The preparation method is simple in process, easy to control, low in requirement on production equipment and suitable for industrial large-scale production. The polyphosphazene prepared by the method has good compatibility with high polymer materials, has excellent flame retardance, and can be used as a flame retardant of various high polymer materials.

The invention relates to methods for controlling permanent magnet synchronous motors, in particular to a method for optimally controlling high-power surface permanent magnet synchronous motors.By the aid of the method, the problem of inaccurate decoupling due to variation of parameters of motors in the traditional permanent magnet synchronous motor control procedures can be solved.The method for controlling the high-power surface permanent magnet synchronous motors includes steps of a, carrying out parameter offline identification procedures; b, carrying out parameter online identification procedures; c, carrying out parameter calibration procedures; d, carrying out permanent magnet synchronous motor running control procedures.The method has the advantage that the method is applicable to controlling permanent magnet synchronous motors and is particularly applicable to controlling the high-power surface permanent magnet synchronous motors.

The rotatable algae cultivating device includes a support base, and rotates the algae cultivation structure arranged above the support base. The support base is a cone-shaped structure, and the algae cultivation structure includes a cylindrical algae cultivation unit. The rotating shaft at the center of the algae cultivating unit, the rotating shaft is connected with the support seat through a bearing structure, so that the algae cultivating unit can rotate relative to the support seat; the algae cultivating unit is evenly equipped with a number of cultivation Groove, the culture tank is arranged on the periphery of the rotating shaft, which is a U-shaped structure; the culture tube can be set in the culture tank, and rotate with the whole algae cultivating unit. The beneficial effects created by the present invention are: through the design of the rotatable algae cultivation device, the algae liquid can always keep moving during the cultivation process and stop at any time, preventing a large number of dead algae from occurring.

The present invention discloses a substance with protein kinase inhibiting activity and a preparation method therefor and an application thereof. The substance is a benzamide derivative and is specifically N-(2,4-dimethylphenyl)-4-[(7-chlorine-4-quinoline)amino]benzamide. The compound can be used as a protein kinase inhibitor and a histone deacetylase inhibitor, and used for treating a tumor; and a preparation reaction of the substance is low in cost and high in yield, and a reaction process is simple and easy to control, so that the preparation method is applicable to industrial production.

The invention discloses an intelligent flexible manipulator. Flexible touch fingers are connected with a base lower bottom plate through a base upper base plate; the base upper base plate and the baselower bottom plate are fixedly connected with a base middle base plate; an air pump is connected with the flexible touch fingers and fixed to the base lower bottom plate, and the driving of the flexible touch fingers through internal air pressure can be realized; and the air pump and the flexible touch fingers are separately in control connection with a master control module. According to the intelligent flexible manipulator, by adopting the four movable flexible touch fingers, the flexible grabbing of a target object can be realized; by adopting conductive silicon gel, the stress sensing ofthe flexible touch fingers is realized, and the purpose of carrying out regulating control on the grabbing force of the flexible touch fingers is accordingly achieved; a master controller is connectedwith the intelligent flexible manipulator, the control of the connection of a stepping motor of the intelligent flexible manipulator is realized, and the grabbing posture control of the intelligent flexible manipulator is realized; and as the conductive silicon gel is connected with the master controller, the stress information reading of the intelligent flexible manipulator is realized. The manipulator can be widely used for places needing flexible grabbing.