84results about How to "Coordinated control" patented technology

The invention relates to a micro-grid coordination control system based on multi-agent technology, pertaining to the information technology field, wherein an element agent module independently controls the operation of bottom elements in the micro-grid, realizing direct control on a distributive power source, power generation, power-reserving elements and some loads; a micro-grid agent module operates in accordance with the internal dispatching of the micro-gird and manages the agents; task division and shared resource allocation among agents are solved by communication and coordination between the micro-grid agent module and an upper grid agent module, and the upper grid agent module takes charge of the coordination and dispatching in the electric market and among agents and makes the important decisions by integrating information of the micro-grid agents. A certain amount of data communication among the agent modules are kept for better ensuring rationality for decisions made by each agent. The structure and the communication method fit the complex and flexible characteristics of micro-grid distribution. The coordination control system can promote the safe and steady operation of the micro-grid as well as the generating efficiency.

Method and apparatus for coordinated control of lights and devices in an operating room. An operating room is equipped with a plurality of devices, each capable of generating light. A set of rules are provided defining the manner in which the plurality of devices are to be controlled in a cooperative, coordinated manner in accordance with the state of the operating room. The state of the operating room is detected, as such state changes from time to time during the course of a medical procedure being performed in the operating room. The plurality of devices are controlled in accordance with the detected state, as it changes from time to time, and the set of rules. The plurality of devices are thus controlled in a cooperative, coordinated manner in accordance with the changing state of the operating room.

The invention relates to a control method for implementing coordinated operation of multiple vehicle groups of a hydraulic heavy duty truck, which can be used for implementing unmanned automatic driving of a roadway trackless wheel-type hydraulic heavy duty truck. Positions between vehicle bodies and a roadway are determined by applying an ultrasonic distance measurement principle; various information of the truck, which is measured by ultrasonic distance measurement sensors, is transmitted to a central processor; information of the truck relative to the roadway, such as a vehicle body speed, a steering angle, a traveling track and a path, is calculated by the processor according to a set program; the position information is uploaded to a CAN (Controller Area Network) bus system for being called by a next truck; a next truck processor downloads posture information of a previous truck from a CAN bus; according to the posture information of the previous truck, the processor operates geometrical parameters required for tracking the movement track of the previous truck according to a control program so as to determine the movement track of the next truck and fulfill the aim that the next trunk automatically tracks the previous truck, thereby implementing steering control of the split heavy duty transportation truck.

The invention relates to a real vehicle test system and method for the traffic coordination of an automatic driving vehicle. A corresponding interactive test scene is set at a closed test road or a flexible test square based on a test need. The automatic driving vehicle serving as a tested body cooperates with a manned or program-controlled background vehicle to carry out multi-vehicle interactivescene simulation and multi-scene auto-driving vehicle traffic coordination testing. During the process, corresponding equipment is used for collecting and recording moving tracks of all tested vehicles and traffic participants and subjective judgment, physiological indicators related to the interaction comfort and riding comfort indicators of tested vehicle passengers and other vehicle participants are recorded, so that the traffic coordination testing of the automatic driving vehicle is realized and thus whether the automatic driving vehicle has the good interaction capability with other vehicle participants during the driving process is verified. According to the invention, the coordination control is powerful; the data are connected in a unified manner; and the good data support is provided.

The invention relates to an autopilot vehicle transportation coordination virtual testing system and testing method. A system hardware-in-the-loop simulation testing method is planned, a correspondinginteractive testing scenario is arranged in a virtual simulation platform according to test requirements, one or more autopilot vehicle intelligent controllers are to-be-tested subjects, and occupants of a virtual to-be-tested vehicle and other virtual transportation participants are introduced through methods, such as a driving simulator and a VR device, to simulate the multi-vehicle interactionscene under complex traffic stream. Trajectories of all virtual transportation participants, including that of the virtual to-be-tested vehicle, subjective judgments of the controllers of the virtualto-be-tested vehicle occupants and other virtual transportation participants, and various physiological indicators related to interaction comfort are collected, multi-scenario autopilot vehicle transportation coordination tests at different penetration rates are undergone to verify whether the autopilot vehicle is capable of interacting well with other transportation participants during driving or not.

The invention discloses structural improvement of a multifunctional lower limb gait rehabilitation and walking-aiding machine device. A user can be supported by a hanging unit to decrease the bearingstress of the legs of the user, and walking rehabilitation training of lower limbs under heavy weights of different bodies can be performed to achieve the best training effect. In addition, an exoskeleton rehabilitation device can be mixed with a first actuator, a second actuator, a third actuator and a fourth actuator through a hip-joint linear actuator and knee-joint linear actuator to form a single leg exoskeleton rehabilitation device and drive the single leg exoskeleton rehabilitation device, and the safety, comfort, reliability, practicability and operating convenience are remarkably improved. In addition, an indoor outer navigation assisting device can serve as a guide trolley, and the orientation of a user in a virtual map and a positioning point to which the user wants to go are displayed in a corresponding actual operating environment through a navigational positioning system of a display unit.

The invention discloses a tangential-magnetized magnetic flux reversed mixed excitation linear motor, which comprises a primary rotor and a secondary stator; the primary rotor is formed by connecting primary modules in parallel; the primary rotor and the secondary stator are all made of a permeability magnetic material; the secondary stator is of a salient pole structure with equal tooth width; an air gap exists between the primary rotor and the secondary stator; two armature teeth are respectively arranged at two sides of each primary module; one excitation tooth is arranged between two armature teeth; one set of armature winding is wound on each armature tooth; one set of excitation winding is wound on each excitation tooth; two tangential-magnetized permanent magnets with opposite polarity are pasted at the end part of each armature tooth. The risk that the permanent magnets can not be reversely demagnetized is reduced, the reliability of a motor is improved, the problem of easy saturation of a narrow permeability magnetic bridge is solved, the fault tolerance performance of the motor is improved and the tangential-magnetized magnetic flux reversed mixed excitation linear motor is suitable for the application occasions needing large-range speed change operation.

The invention discloses a wind farm reactive-power control strategy for promoting the transient stability of a large-scale weak power grid integrated with wind power. The strategy is divided into twoaspects of turbines and a wind farm, wherein in the turbine aspect, reactive-power priority control is adopted; in the wind farm aspect, based on a transient energy method, a transient unbalanced energy prediction value is calculated, a transient voltage stability margin is calculated, reactive power output of the different direct-drive wind turbines is adjusted, and a reactive power adjusting instruction is transmitted to each turbine. A strategy overall used by a controller is that according to interaction of the wind farm and an electric system in a system, reactive power control to the wind farm is decomposed into additional control to each draught fan. The control strategy needs no any additional hardware, the communication ability of a centralized control system of the wind farm andthe control strategy of direct drive wind turbines themselves are made full use of, the unreasonable fluctuation of overall reactive power voltage of the wind farm is avoided, and the transient stability performance of the weak power grid integrated with the wind farm can be effectively improved.

The invention relates to an automatic control device, in particular to the automatic control device for a prestressing force tensioning device. The automatic control device comprises a tool anchor piece, a hollow lifting jack which is matched with the tool anchor piece, and a hydraulic pump which is connected with an oil outlet pipe through an oil inlet pipe on the lower part of the hollow lifting jack; the automatic control device is characterized in that: one side of the upper part of the hollow lifting jack is matched with a wireless tension displacement sensor; and a pump body of the hydraulic pump is provided with a secondary control machine which controls an electronic control valve bank and a master control machine and a remote Web server which coordinate all tension end points. The automatic control device has a unique structure, is convenient to operate and use, and can realize the high-precision control measurement of tension amount, improve construction efficiency and accuracy, reduce labor intensity and realize the automation of a prestressed member tensioning device.

The invention provides a traffic signal control method and system based on reinforcement learning and a graph attention network, and the method comprises an initialization step: defining each variablein a traffic signal control problem, and initializing a traffic signal algorithm model; an observation information vectorization step: performing dimensionality reduction on the observation information vector through a multilayer perceptron to obtain dimensionality-reduced data hi; a graph attention mechanism construction step: constructing an attention mechanism hmi suitable for the traffic signal algorithm model by using the data hi after dimension reduction and starting from the attention mechanism; a loss function construction step: calculating a loss function according to the attention mechanism hmi; a behavior updating step: performing iterative computation on the loss function according to a reward function in the constructed traffic signal algorithm model to obtain a final trafficsignal algorithm model; and a prediction result calculation step: calculating the control strategy pi of the traffic signal according to the constructed final traffic signal algorithm model to realize signal control. The traffic signal control method and system are suitable for large-scale complex traffic road conditions.

The invention provides a CT energy-obtaining-based power transmission line deicing device, comprising a deicing base, a suspension mechanism disposed on the deicing base, a moving mechanism disposed on the deicing base, an auxiliary support mechanism disposed on the deicing base, a deicing mechanism disposed on the deicing base, and a control mechanism disposed on the deicing base for performing coordinated control on the suspension mechanism, the moving mechanism, the auxiliary support mechanism and the deicing mechanism. The CT energy-obtaining-based power transmission line deicing device inthe invention not only does not increase the load quality of the transmission line to deice smoothly and not need to carry more energy for the device body but also can reduce the difficulty of suspension.

The invention relates to control of a coal mine underground transfer point unloading device and a coal flow system, in particular to a multi-loading point coal flow control system which comprises an unloading hopper, an unloading hopper opening on-off drive device and an automated control system, wherein the opening position at the bottom of the unloading hopper is articulated with a fan-shaped gate, and an unloading hopper switching-on travel switch and an unloading hopper switching-off travel switch are installed on the fan-shaped gate; the unloading hopper opening on-off drive device comprises an forward and inverse rotating roller winch installed on a top plate of a belt lane top and two fixed pulleys; a steel wire is wound on the roller winch; one end of the steel wire is fixed at the free end of the fan-shaped gate after passing through the right fixed pulley, and the other end is fixed at the free end of the fan-shaped gate after sequentially passing through the right fixed pulley and the left fixed pulley. The invention has simple structure, convenient installation and use, safety and reliability, reduces the accident rate and solves the serious problems of pressed transmission rubber belts, burning-out motor, influenced normal production order, and the like.

The invention discloses an intelligent electric appliance control device and method based on wifi. The intelligent electric appliance control device comprises a power module, a wifi communication module, an infrared radio frequency communication module, an intelligent processor module, a sensor module and an electric appliance control interface module. The power module supplies power to the rest modules. The wifi radio frequency communication module, the infrared radio frequency communication module, the sensor module and the control interface module are connected with an MCU intelligent processing module. A processing module of a controller is in charge of receiving relevant information from the sensor module and user instruction information from the wifi radio frequency module, through an internally-installed intelligent algorithm, a control instruction to a controlled device is formed, the control instruction is sent to the controlled device through the control interface module, and therefore corresponding control movement is achieved. Meanwhile, the processing module also receives the controlled device state information fed back by the control interface module, and the state information is sent to a user smart terminal through the wifi radio frequency module.

The invention discloses an active power distribution network dynamic virtual cluster division method based on model prediction control. The method comprises steps of performing cluster power supply rate constraint verification and rolling optimization by taking a rolling optimization time period as a time period division basis and combining the cluster power supply rate constraint and a rolling optimization objective function, and determining a cluster division scheme in the first rolling optimization time period in the future; utilizing a feedback correction time period as a time period division basis, in combination with a feedback correction objective function, performing feedback correction of a cluster division scheme obtained by rolling optimization once in each feedback correction time period in the first rolling optimization time period in the future, and determining a cluster division scheme of each feedback correction time period in the first rolling optimization time periodin the future. The method is advantaged in that dynamic closed-loop cluster division optimization is formed according to real-time information feedback, the actual working condition change of the system can be effectively tracked, and the adverse effect of prediction deviation and distributed energy fluctuation on active power distribution network partition control is eliminated.

The invention discloses a management system, method and device for automatic optical inspection (AOI) system software based on a C / S framework. The whole system comprises two parts including a server and a plurality of clients, wherein server software is used for realizing monitoring display of all AOI software in a local area network constructed by a plurality of line bodies and unified centralized management of versions, and client software is used for managing all AOI software on a host, completing one-key start according to configurations, monitoring a software progress, simultaneously realizing functions of version updating, backup, reduction and deletion of each software, timely changing version information and uploading the version information to the server to display in real time.

The invention discloses a method for accurately positioning a trigger position based on a programmable circuit. The method for accurately positioning the trigger position based on the programmable circuit comprises the steps that time base gears and trigger delay of a data collection and analysis type instrument are detected; whether a user changes the time base gears or trigger delay or not is judged, if so, software parameters are arranged and sent to a field programmable gate array (FPGA) through bus communication, and a collection interpolation process is restarted; a processor obtains sampling data and combines the real-time sampling data into an array according to the channel combination condition; and when the data collection and analysis type instrument is located at an interpolation gear, real-time interpolation is carried out, then, trigger point repositioning is carried out, an interpolation point is adjusted, so that a generated waveform performs stable display taking a trigger level as a reference point. According to the method for accurately positioning the trigger position based on the programmable circuit, interpolation and trigger accurate positioning are realizedthrough pure hardware, and consuming time is less. The scheme is clear in division of labor, according to the execution fast and slow level of software and hardware, by combining real-time requirementof an oscilloscope, the characteristics of high software calculation capacity are fully played, and key parameters required by the hardware interpolation are calculated.

The invention provides a fire extinguishing device for pole-mounted electrical equipment. The fire extinguishing device comprises a fire extinguishing base, supporting legs arranged at the bottom of the fire extinguishing base, a suspension mechanism arranged on the fire extinguishing base, a moving mechanism arranged on the fire extinguishing base, a temporary fixation mechanism arranged on the fire extinguishing base, a fire extinguishing mechanism arranged on the fire extinguishing base, and a control mechanism which is arranged on the fire extinguishing base and is used for carrying out coordinated control on the suspension mechanism, the moving mechanism, the temporary fixation mechanism and the fire extinguishing mechanism. The fire extinguishing device for the pole-mounted electrical equipment can not only successfully extinguish a fire without greatly increasing the load mass of a telegraph pole, but also can reduce the hanging difficulty.

The invention relates to the field of power intelligent energy systems and discloses an intelligent energy system based on a power electronic transformer, which comprises a power electronic transformer, an AC / DC converter, an AC / AC converter, a DC / AC converter, a DC / DC converter, a photovoltaic and the like distributed power supply, an electric automobile, an energy storage system, a DC load, an AC load and various AC generators. According to the intelligent energy system based on the power electronic transformer disclosed in the invention, the power electronic transformer module is formed bythe AC / DC converter, a two-way DC / DC converter and the AC / DC converter, the power electronic transformer can thus be used for switching among four states of DC low voltage, AC low voltage, DC high voltage and AC high voltage, and compared with the traditional transformer which is only suitable for transmission of single-frequency and one-way voltage, the power electronic transformer can be almostsuitable for voltage two-way transmission under all conditions, frequency and voltage conversion is very flexible, and fault transmission at the two ends of the transformer can be effectively blocked.

The invention discloses a carrying equipment control method, carrying equipment and a computer storage medium. The carrying equipment control method comprises the steps that the carrying equipment sends an elevator control request message to a server, wherein the elevator control request message is at least carried with following information of the first floor number where the carrying equipment is located currently and the second floor number where the carrying equipment is going to reach; the carrying equipment receives elevator operation state information sent by the server; when it is determined that an elevator operates to the first floor number based on the operation state information, the carrying equipment controls a driving device to move into the elevator; and when it is determined that the elevator operates to the second floor number based on the operation state information, the carrying equipment controls the driving device to move out of the elevator.

The present invention provides a floated transmission line deicing device. The device comprises a deicing substrate, a suspension mechanism arranged on the deicing substrate, a mobile mechanism arranged on the deicing substrate, a support mechanism arranged on the deicing substrate, a deicing mechanism arranged on the deicing substrate and a control mechanism arranged on the deicing substrate andconfigured to perform coordination control of the suspension mechanism, the mobile mechanism, an auxiliary sustaining mechanism and the deicing mechanism. The floated transmission line deicing devicecan perform smooth deicing without increasing the load quality of the transmission line and can reduce the difficulty of the suspension.

The invention provides a workpiece distribution mechanism for an intelligent production line. The mechanism comprises a distribution control box, a distribution conveying roller bed, a transverse moving and transferring mechanism and a blocking and limiting mechanism. According to the workpiece distribution mechanism for the intelligent production line, a remotely sent workpiece distribution instruction can be received by utilizing a wireless communication module, so that a controller can conveniently carry out coordination control on the transverse moving and transferring mechanism and the blocking and limiting mechanism according to the workpiece distribution instruction; a workpiece can be transversely conveyed through the transverse moving and transferring mechanism, so that the workpiece can be transversely conveyed to a corresponding discharging position conveniently; the workpiece on the discharging side can be blocked and controlled through the blocking and limiting mechanism,and blocking is removed when the workpiece reaches the corresponding discharging position, so that the workpiece can be discharged from the corresponding discharging position; and whether the workpiece is placed on the distribution conveying roller bed or not can be monitored in real time through a feeding side position sensor, so that the distribution conveying roller bed is started in time for transportation, long-time no-load operation of the distribution conveying roller bed is avoided, and system energy consumption is reduced.

The invention discloses an anode hydrogen decoupling control method and system suitable for a proton exchange film fuel cell, and the method comprises the following steps: S100, building a PEMFC hydrogen injection system model: S101, the PEMFC hydrogen injection system is a double-input double-output system, the input of the system is the duty ratio of a hydrogen injection solenoid valve and the opening degree of a back pressure valve, the output is the flow and the pressure of anode hydrogen, and the transfer function of the PEMFC hydrogen injection system is a second-order matrix; and S102,atransfer function of the PEMFC hydrogen injection system is identifiedby adopting an M sequence system identification method; and S200, designing a decoupling controller, which sequentially comprisesthe following steps: S201, designing a feedforward compensation decoupler based on a feedforward compensation principle; and S202, designing two paths of PI controllers to respectively control flow and pressure. According to the invention, the optimal coordination control of the hydrogen flow and the back pressure is realized, so that the PEMFC system obtains good dynamic and static characteristics.

The invention provides a method for realizing a microgrid control system based on a high-speed Ethernet industrial bus, which is applicable to a typical microgrid system composed of a distributed power supply, a load and a microgrid monitoring platform. In the microgrid system, the distributed power supply, the load and the microgrid monitoring platform are connected by a unified EtherCAT industrial bus, wherein one device is a master station, and the other devices are slave stations, and data transmission can be realized between the master station and the slave stations and between the slave stations through the EtherCAT bus. As shown in Fig.1, the distributed power supply, the load and the microgrid monitoring platform are connected according to a specific sequence to transmit voltage, current and other analog quantity information and a switch command, state feedback and other digital quantity information in the microgrid system to the distributed power supply and other devices more quickly, so as to meet the control demands of grid connected and isolated island switch of the microgrid system, and extensive application and engineering implementation are better facilitated on the basis of guaranteeing the data transmission instantaneity.

The invention discloses a management system of a software version repository of automatic optical detecting system and a method. A server is configured with the software version repository; the management system based on the software version repository comprises a software version repository building module and a software editing module; the software version repository building module is used for establishing a folder path of every type of software on the basis of being not established, changing history record file in a software reference version folder, and completing the updating of the software running program on the basis of being established; the software editing module is used for adding and deleting corresponding types of software version repositories and generating the software reference version. According to the management system of software version repository of automatic optical detecting system and the method, a client host machine in a local area network structured by all wires can be remotely controlled at the server end, and the software version operation is carried out; the version updating, backup, reduction, deletion and others are completed; thus the operation convenience is greatly improved.

The invention discloses a motorcar multi-CPU intelligent control system that includes gun intelligent control system realized by main control unit matching gun control unit, clutch intelligent control system realized by main control unit matching clutch control unit, motorcar gear shifting intelligent control system realized by gun control unit, clutch control unit and monitoring control unit matching main control unit. The three systems realize the multi-CPU intelligent control system. The invention also discloses a motorcar multi-CPU intelligent control method. It makes the drive of motorcar be easy and convenient and solves problems like engine flameout when changing gear, oil wasting, etc.

The invention relates to the technical field of AC / DC hybrid microgrids, and discloses an AC / DC hybrid microgrid. The AC / DC hybrid microgrid comprises a distributed power source, an energy storage device, an energy conversion device, composite monitoring equipment and an AC / DC protection device internally. The AC / DC hybrid microgrid and the operation method thereof can perform coordinated controlon a DC microgrid and an AC microgrid, improve the charging and discharging efficiency of the energy storage device, enable the electric energy in the microgrid to flow flexibly, prolong the service life of the AC / DC hybrid microgrid, ensure the long-term performance of the AC / DC hybrid microgrid, improve the operating speed of the system, improve the coordination rate of the power grid, and solvethe problems that circuit equipment is prone to fail, the electrical load is increased, equipment is worn or damaged, the normal operation of the microgrid system is affected and the effective control over the microgrid is affected because the power supply stability cannot be well satisfied.

The invention provides a device for cleaning dirt on the surface layer of a high-tension transmission line. The device includes a dust removal base, a suspension mechanism arranged on the dust removalbase, a moving mechanism arranged on the dust removal base, an auxiliary support mechanism arranged on the dust removal base, a dust removal mechanism, a collection mechanism, and a control mechanism, wherein the dust removal mechanism and the collection mechanism are arranged on the dust removal base, and the control mechanism is arranged on the dust removal base and used for coordinated controlof the suspension mechanism, the moving mechanism, the auxiliary support mechanism and the dust removal mechanism. The device can carry out large-scale ash removal operation on the transmission line,the dust removal effect is better, workers do not need to climb up and down, the safety is high, the dust removal operation is achieved by taking power from the line, and the device is light, long inservice life, low in cost and use cost, and very good in effect.

The invention discloses a multi-direct current power transmission output power system stable state frequency control method. The multi-direct current power transmission output power system stable state frequency control method comprises steps that S1, various related parameters are acquired; S2, a bus admittance matrix of a sending end power grid and a bus admittance matrix of a receiving end power grid are formed based on the acquired parameters; S3, related information before occurrence of disturbances is acquired; S4, related information after the occurrence of the disturbances is acquired; S5, the equality constraint condition of the multi-direct current power transmission output power system stable state frequency control method is established; S6, the inequality constraint condition of the multi-direct current power transmission output power system stable state frequency control method is established; S7, the minimization objective function of the multi-direct current power transmission output power system stable state frequency control method is established;S8, the optimization result of the multi-direct current power transmission output power system stable state frequency control method is acquired, and technical effect of optimization coordination control of multiple direct currents is realized.