Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

31results about How to "Control applies" patented technology

Engineering machinery control system, engineering machinery and engineering machinery control method

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.
Owner:SANY HEAVY IND CO LTD (CN)

Plant miticide derived from artemisia annul l and method for preparing the same

InactiveCN101116451AHas acaricidal effectHas aphidicidal effectBiocideAnimal repellantsFruit treeAdditive ingredient
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.
Owner:SOUTHWEST UNIVERSITY

Interconnected air suspension cooperative control system and method based on MPC

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.
Owner:JIANGSU UNIV

Method for controlling high-power surface permanent magnet synchronous motors

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.
Owner:CHINA RAILWAYS CORPORATION +1

Non-contact human body control type light fixture control system and method

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.
Owner:OPPLE LIGHTING

Display device and control method thereof and gesture recognition method

ActiveCN103530060AAccurately determine the desired click positionRealize "click" operationInput/output for user-computer interactionGraph readingDisplay deviceExecution unit
The invention provides a display device and a control method thereof and a gesture recognition method and belongs to the technical field of gesture recognition. The problem that selection and determination operations in existing gesture recognition must be performed respectively is solved. The display device control method comprises the steps of enabling a display unit to display control pictures, enabling a three-dimensional (3D) unit to convert the control pictures into virtual 3D control pictures and provide the pictures for a user, enabling the 3D unit to comprise 3D glasses, enabling a virtual distance between the virtual 3D control pictures and a user's eyes to be equal to a first distance, and enabling the first distance to be smaller than the distance between the display unit and the user's eyes; enabling an image collection unit to collect images of clicking motion on the virtual 3D control pictures by the user; enabling a gesture recognition unit to judge the position of clicking on the virtual 3D control pictures by the user according to images collected by the image collection unit, and sending control instructions corresponding to the clicking position to a corresponding execution unit. The control method can be used for controlling the display device and is particularly suitable for television control.
Owner:BOE TECH GRP CO LTD

Control method and system for refrigerating chamber with quick-cooling space and refrigerator

The invention discloses a control method and system for a refrigerating chamber with a quick-cooling space and a refrigerator. The control method comprises the steps that when tr is larger than or equal to trk and ts is larger than or equal to a first preset temperature, an air door of the quick-cooling space is controlled to be opened, and the quick-cooling space begins to cool, wherein tr is the detection temperature of the refrigerating chamber, trk is the starting-up temperature of the refrigerating chamber, and ts is the detection temperature of the quick-cooling space; when the temperature is reduced to the condition that ts is smaller than or equal to tst, the air door of the quick-cooling space is controlled to be closed, and the quick-cooling space stops cooling, wherein tst is the shutdown temperature of the quick-cooling space. By means of the control method, the problems of bottom freezing of the refrigerating chamfer, frequent starting or stopping of a compressor, increasing of energy consumption and the like can be avoided, and the control method is simple, easy to implement and suitable for controlling the refrigerating chamber with the quick-cooling space.
Owner:NANJING CHUANGWEI HOUSEHOLD ELECTRONICS APPLIANCES LTD

Automatic remote control system for water conservancy gate

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.
Owner:XIAN AEROSPACE AUTOMATION

Movement control method for electronic spiral guide rail of gear shaper

Disclosed is a movement control method for an electronic spiral guide rail of a gear shaper. The movement angle of a crank of the gear shaper is the rotation angle alpha of a main motor. The spiral movement angle of a cutter shaft of the gear shaper is the rotation angle phi of a torque motor. The rotation angle alpha of the main motor and the rotation angle phi of the torque motor are in a real-time nonlinear relationship represented by a function that f=F(alpha). The rotation angle alpha of the main motor is an initiative value, and the value of the rotation angle alpha of the main motor is a discrete non-arithmetic progression. The rotation angle phi of the torque motor is a following value, and a periodic curve table of the rotation angle of the main motor and the rotation angle of the torque motor is built in a numerical control system to control the movement of the electronic spiral guide rail of the gear shaper. By means of the movement control method for the electronic spiral guide rail of the gear shaper, correct control over the electronic spiral guide rail is realized, and an efficient electronic spiral guide rail running program can be worked out. The control method is simple and reliable, and the program is high in execution efficiency through self-adaption calculation.
Owner:宜昌长机科技有限责任公司

Electromagnetic type undervoltage tripping device

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.
Owner:CHANGZHOU INST OF TECH

P-gear parking motor controller

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.
Owner:SHENZHEN SOUTHERN DARE AUTOMOTIVE ELECTRONICS

An MPC-based interconnected air suspension cooperative control system and method

The invention relates to an MPC-based interconnected air suspension cooperative control system and method in the field of vehicle semi-active suspension system control. The cooperative control system consists of a sensor module, an extended observer module, an MPC controller, a damping coefficient controller, The interconnection state controller, vehicle body height controller, damping coefficient actuator, interconnection state actuator and body height actuator are composed; the MPC controller starts from the top layer and always attributes the influence of damping coefficient, interconnection state and body height on performance to their respective Suspension force provided by the executive agency, with the optimal suspension performance index as the optimization goal, the optimal suspension force is generated by the damping coefficient controller, the interconnection state controller and the vehicle height controller to control the corresponding actuator in turn, through the MPC The controller solves the optimal suspension force of the system, and then distributes the optimal suspension force sequentially through the damping coefficient, interconnection state and body height actuator, which improves the control accuracy and is suitable for control under any working conditions.
Owner:陕西炬诺科技有限公司

Omnibearing analyzing and solving method for jump problem of contactor

The invention provides a method for comprehensively analyzing and solving the jump problem of a contactor. The method specifically comprises the following steps: S1, changing a coil type motor starting control command in an original PLC program into an RS trigger while adding a counting function when motor operation feedback is 1, and when motor operation feedback signals are continuously overturned, setting output to be 0, so that a contactor is released and is not attracted any more; and S2, replacing a starting intermediate relay with a time delay relay, and replacing an original normally open contact with a time delay normally open contact, wherein a contact for feeding back the operation of the motor to the PLC is changed from a normally open contact for starting the intermediate relay to an auxiliary normally open contact of the main contactor, so that the jumping phenomenon caused by the fact that the PLC cannot confirm the actual state of the field due to the fault of the relay or the action time difference between the relay and the main contactor can be effectively avoided. The method has the beneficial effects that the contactor jumping phenomenon caused by voltage fluctuation and software and hardware faults in PLC control is thoroughly eliminated.
Owner:ANGANG STEEL CO LTD

Polyphosphazene, and preparation method and application thereof

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.
Owner:JINAN TAIXING FINE CHEM

A high-power surface-type permanent magnet synchronous motor optimization control method

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.
Owner:CHINA RAILWAYS CORPORATION +1

Rotatable algae culture device

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.
Owner:新昌县熠凡花木专业合作社

Substance with protein kinase inhibiting activity and preparation method therefor and application thereof

InactiveCN105017149AInhibits protein kinase activityPartially disease activeOrganic active ingredientsOrganic chemistryPTK InhibitorsQuinoline
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.
Owner:AFFILIATED HOSPITAL CHINA ACADEMY OF MILITARY MEDICAL SCI

Intelligent flexible manipulator

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.
Owner:SHANGHAI UNIV

System for realizing closed-loop control of different types of integrated photonic systems

The invention discloses a system for realizing closed-loop control of different types of integrated photonic systems. The system comprises a control circuit part and a plurality of integrated photonic systems, wherein the control circuit part comprises a feedback signal extraction unit, an analog front end part, a digital control part, an output driving part and a sequential control part, the number of the types of the integrated photonic systems is j, the number of the integrated photonic systems and the number of the feedback signal extraction units are both k, the output end of the ith integrated photonic system is connected with the input end of the ith feedback signal extraction unit, the ith feedback signal extraction unit, the analog front end part, the digital control part, the output driving part and the ith integrated photonic system are sequentially connected in series to form a closed loop, i is equal to 1, 2,..., k, k is greater than or equal to j, and k closed loops are formed in total. According to the system, the first to kth integrated photonic systems are sequentially adjusted based on the maximum value locking through the control circuit part, so that the area is small, the power consumption is low, the integration degree is high, and the system is suitable for controlling large-scale integrated photonic systems.
Owner:HUAZHONG UNIV OF SCI & TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products