360 results about "Cell controller" patented technology

The invention relates to the technical field of electric power operation and maintenance, in particular to a distributed optical storage unit cooperative scheduling control method and system, the method is applied to a distributed optical storage system comprising a plurality of optical storage units, each optical storage unit comprises a photovoltaic unit, an energy storage unit and a load unit, and is configured with a local unit controller. Comprising the following steps: collecting real-time operation data of an optical storage unit, and extracting local collaborative scheduling characteristics and a local DC bus voltage instantaneous fluctuation ratio from the real-time operation data; each unit controller inputs the corresponding local cooperative scheduling feature into a preset local scheduling strategy generation model, and outputs an initial scheduling action instruction set; and performing global voltage stability evaluation on the distributed optical storage system based on the local direct current bus voltage instantaneous fluctuation rates corresponding to all the optical storage units, and calculating to obtain a system voltage fluctuation index. The distributed local control capability and the global collaborative demand are organically fused, and the global voltage stability and the collaborative scheduling consistency are ensured.

A simulation system and method for hydrogen production by water electrolysis. The simulation system for hydrogen production by water electrolysis includes: a first simulation unit used for simulating a hydrogen production power system to obtain hydrogen production electrical parameters; a controller unit used for outputting a control instruction to control hydrogen production process parameters in a hydrogen production chemical system; a second simulation unit used for simulating the hydrogen production chemical system according to the hydrogen production electrical parameters and the control instruction so as to obtain a hydrogen production result; and a data interaction unit, the first simulation unit, the controller unit, and the second simulation unit being capable of performing data interaction by means of the data interaction unit. Joint simulation of complete chemical and electrical processes for hydrogen production by water electrolysis can be realized.

A gas sensor includes a sensor element including an element body, a measurement pump cell being configured to pump out oxygen from surroundings of an inner measurement electrode to surroundings of an outer measurement electrode, and a measurement voltage detection sensor cell that detects a measurement voltage between a reference electrode and the inner measurement electrode, and a pump cell controller that executes a normal time measurement pump control process of pumping out oxygen in the measurement chamber during a normal operation time of the sensor element so that the measurement voltage reaches a normal time target value, and executes a start-up time measurement pump control process of pumping out oxygen in the measurement chamber at a start-up time of the sensor element earlier than the normal operation time so that the measurement voltage reaches a start-up time target value higher than the normal time target value.

A gas sensor includes a sensor element and a pump cell controller. The pump cell controller performs a normal time control process after a heater control process is started, the normal time control process including a main pump control process, an auxiliary pump control process of controlling an auxiliary pump cell so that a voltage for auxiliary pump reaches a target value, and a normal time measurement pump control process of pumping out oxygen in a measurement chamber by controlling the measurement pump cell so that a measurement voltage reaches a normal time target value. In an early stage of the normal time control process, the pump cell controller performs a correction process of correcting the target value of the voltage for auxiliary pump to a value higher than a target value in a period after the early stage.

The invention relates to the technical field of hydraulic control, and discloses a hydraulic motor constant torque self-adaptive PID (Proportion Integration Differentiation) control system which comprises a controller and a hydraulic driving unit, the controller performs frequency domain separation on the pressure signal by using a signal preprocessing module, and extracts an average pressure difference representing the driving force and a ripple amplitude representing the fluid rigidity; the state observation module estimates an instantaneous volume elastic modulus based on the ripple amplitude, corrects a compression item in a flow continuity model by using the elastic modulus, and calculates an instantaneous leakage coefficient of the motor in real time; the self-adaptive control module establishes dynamic mapping of PID gain and physical parameters, the proportional gain is adjusted by using a leakage coefficient to match system damping, the integral gain is adjusted by using a volume elastic modulus to adapt to inherent frequency, and a control instruction is synthesized by combining feedforward compensation. According to the method, the problem of model mismatch caused by oil characteristic change and motor abrasion is effectively solved, and the whole-life-cycle control precision of the system is improved.

The invention provides a gravity energy storage scale expansion method, which belongs to the field of electric energy storage such as gravity energy storage and mechanical energy storage, and comprises the following steps: taking a single-machine gravity energy storage system as a minimum standard module capable of independently running, and realizing capacity linear superposition; more than two parallel energy storage driving devices are configured for the same energy storage weight in each standard module to realize stepped increase and decrease of instantaneous power; a central controller receives a power grid dispatching instruction, load prediction data and renewable energy output prediction data in real time, global power requirements are decomposed into charging and discharging tasks of standard modules through a hierarchical control architecture, and a local unit controller executes a weight stroke smooth switching algorithm and a multi-weight synchronous dispatching algorithm. Power output / input is enabled to be continuous without breakpoints; and boosting the electric energy generated by each standard module to a high voltage level matched with the power grid to complete high voltage level networking. The invention has great advantages in the aspects of safety, service life, self-discharge characteristic, overall operation efficiency and the like.

The invention provides a platform door monitoring method, a platform door monitoring device and a platform door monitoring system, which are realized through a platform door monitoring machine, the platform door monitoring machine is connected with a platform door unit controller, responds to a control instruction input by a user and executes triple safety verification, and authority verification is that only when a logged-in user is an administrator, the logged-in user is the administrator; opening an operation interface related to the control instruction and allowing execution of the control instruction; the mode switching verification is to receive a mode switching instruction, so that the platform door unit controller is converted into a control instruction issuing mode; the secondary confirmation operation is to forcibly verify a confirmation password input by the user before the control instruction issuing operation; and after the triple safety verification is passed, generating a unique command identifier corresponding to the operation of the control instruction, binding the unique command identifier with the control instruction, and issuing the bound unique command identifier and the control instruction to a platform door unit controller for execution. Motion control parameters of the door control unit can be modified remotely, time and labor are saved, the safety and reliability of the platform door are improved through remote monitoring and management, and the safety of passengers is guaranteed.

The embodiment of the invention provides a system and a method for upgrading battery firmware by using a charging cabinet. The system comprises a main controller and a plurality of cell controllers, the main controller is in communication connection with the battery management platform and the grid controllers; each grid controller corresponds to one or more grids of the battery charging cabinet, and each grid controller comprises a memory for storing a plurality of reference battery firmware; in response to establishment of connection between the target battery and the target cell, the first cell controller corresponding to the target cell is used for acquiring current version information of firmware of the target battery and sending the current version information to the main controller; the main controller is used for sending the current version information to the battery management platform and sending the target version information to the first cell controller after receiving the target version information sent by the battery management platform; and the first cell controller is used for determining reference version information corresponding to a plurality of reference battery firmware, and performing firmware updating on the target battery based on the target version information and the reference version information.

The invention relates to a temperature control system and method for grinding fluid supply equipment. The temperature control system comprises a main pipeline, a temperature controller, a relay control unit, a PLC and a PC terminal. The main pipeline is connected with a pipeline of grinding fluid supply equipment and is of a flat structure, and a flowmeter and a thermometer are arranged at the front end and the rear end of the main pipeline respectively. The temperature controller comprises a semiconductor arranged on the main pipeline, heat dissipation fins arranged on the semiconductor and a modular fan arranged on the heat dissipation fins. The relay control unit is connected with the temperature controller, the PLC is connected with the flowmeter and the thermometer, and the PC terminal is connected with the relay control unit and the PLC. A traditional capillary tube is replaced by the main pipeline of the flat structure, the semiconductor is adopted as a cooling medium, and the air cooling mode of the modular fan and the cooling fins is combined, so that the phenomenon that the purity is damaged due to direct contact of cooling water and grinding liquid is avoided, and the heat exchange efficiency is improved by increasing the contact area of the main pipeline and the semiconductor.

The invention relates to a conveyor speed regulation system. The material conveying machine speed regulating system comprises a detection unit, a controller and a driver. The detection unit is configured to detect operation state parameters of the mining machine or material load information of the material conveying machine in real time. The controller is configured to receive the operation state parameters of the mining machine or the material load information of the material conveying machine from the detection unit and generate a speed control signal based on the operation state parameters or the material load information. The driver is configured to receive the speed control signal from the controller and adjust power output by the driver to the material conveying machine in response to the speed control signal so as to adjust the running speed of the material conveying machine.

A User Equipment (UE) includes a transmission and / or reception unit, a controller, and a storage unit. In a case that the UE operates in a Stand-alone Non-Public Network (SNPN) access operation mode, the storage unit stores a second counter, the second counter being a counter for an event in which an entry for a current SNPN is considered invalid for non-3GPP access, and the second counter being further used in a case of direct connection to the SNPN over the non-3GPP access, and the controller increments the second counter in a case that the transmission and / or reception unit receives first control information over the non-3GPP access, the first control information being a reject cause value indicating that the UE is illegal, or an ME is illegal, or no 5GS service is allowed, and the first control information being further included in a registration reject message that is not integrity protected or a service reject message that is not integrity protected.

The invention belongs to the technical field of power electronics, and particularly relates to a high-synchronization control device and method for IGBT series valve driving signals, and the device comprises a main control case which is used for issuing an unlocking instruction and a modulation wave to a valve control main control board when all IGBT series valves are powered on; the valve control master control board is used for modulating the modulation wave to obtain a PWM signal and sending the PWM signal to the valve control slave control board; after a handshake signal responded by the valve control slave control board is received, an unlocking instruction is sent to the valve control slave control board; the valve control slave control board is used for responding a handshake signal to the valve control master control board when receiving the PWM signal; and after an unlocking instruction is received, the IGBT series valve is controlled to act through the control subunit controller according to the PWM signal. According to the technical scheme provided by the invention, the synchronism of PWM signal modulation is ensured, the high synchronism requirement of all IGBT devices is met, and the control precision of the IGBT series valve is improved.

The invention belongs to the technical field of electric suspension control of tractors, and particularly relates to an electric suspension system of a tractor matched with a rotary cultivator and a control method of the electric suspension system. The system comprises a fuel cell, a power cell, a fuel cell controller, a power cell controller, a high-voltage distribution box, a DC / DC converter, a whole machine controller, a control panel, a force sensor used for measuring tillage resistance during operation of the rotary cultivator, a tilt angle sensor used for measuring the tilt angle of a universal joint of the rotary cultivator, an angular displacement sensor, a servo electric cylinder, a lifting pull rod and a lifting rod. A lower pull rod; operation parameters of the rotary cultivator are input through the control panel, the sensors transmit the measured parameters to the whole machine controller, the comprehensive tilling depth is calculated according to the position of the electric cylinder and the soil resistance, the servo electric cylinder is controlled to stretch out and draw back according to the comparison between the comprehensive tilling depth and the preset tilling depth, and therefore the tilling depth of the rotary cultivator is adjusted. The device has the advantages of being simple in structure, convenient to maintain and high in applicability.

A high-efficiency power electronic voltage regulating device with a reclosing function is connected in series with a low-voltage line and comprises a silicon controlled bypass switch, a series power unit, a parallel power unit, an input filtering unit, an output filtering unit, a controller, a topology change-over switch, a mechanical bypass switch, an input switch, an output switch and the like. Under a normal working condition, power is supplied to a user through the silicon controlled bypass switch; through an AI pre-judgment technology, a power grid voltage drop or increase trend is pre-judged, and a series power unit is conducted in advance; a topology change-over switch is connected to form a boost or buck topology, and when the voltage of a power grid is too low or too high, the normal voltage of a user is ensured through PR closed-loop control; when the rear-end line / load breaks down, reclosing control is carried out; and voltage upper and lower limits are adjusted remotely. The device utilizes the AI pre-judgment technology, has the characteristics of stable voltage, no need of input / output commutation and the like, solves the problems of over-high and over-low voltage and automatic reclosing in fault, and improves the high power supply quality and the power supply reliability of users.

The utility model discloses an intelligent operation system of a dynamic compactor, which comprises a positioning device arranged on the dynamic compactor and used for receiving and sending the position information of the dynamic compactor; the positioning unit is connected with the positioning device and is used for positioning the dynamic compaction machine and the compaction point position; the data transmission unit is connected with the positioning unit and used for transmitting and recording the position information of the dynamic compaction machine; the sensor unit is arranged on the dynamic compactor and is used for acquiring the operation information of the dynamic compactor; the controller is arranged on the dynamic compactor and used for receiving the control signal and controlling the dynamic compactor to work; and the remote control unit is respectively connected with the sensor unit, the controller and the data transmission unit, and is used for receiving the running state data information of the dynamic compactor, generating a control signal and sending the control signal to the controller to control the action of the dynamic compactor. According to the invention, 24-hour uninterrupted work can be remotely controlled, and normal operation can be carried out in rainy and snowy weather, so that the working efficiency is effectively improved, and the investment of labor cost is reduced.

To allow for notifying information tailored to the user's preferences without placing a significant burden on a user.SOLUTION: An information notification device comprises a controller and a communication unit. The controller generates a generation instruction prompt (630) by combining first text data (631) for instructing the generation of an information notification pattern, and second text data (632) for reflecting the preferences of a user (U1). Using the communication unit, the controller transmits a generation instruction prompt to an external device (2), which is a device provided outside the information notification device and includes a generative AI (5), and then receives AI output information (650) generated by the generative AI on the basis of the generation instruction prompt. The controller also sets an information notification pattern on the basis of the AI output information.SELECTED DRAWING: Figure 9

Various disclosed embodiments include illustrative systems for performing hill stall / start assist functions. An illustrative drive unit controller receives a zero-speed command and electric motor information, generates a torque command based on the received zero-speed command and the electric motor information, and instructs a drive unit inverter for an electric motor in response to the generated torque command.

The invention relates to the technical field of energy storage power supplies, in particular to an off-grid inverter and double-direct-current bus energy storage system remote monitoring platform which comprises a wireless communication unit, a controller, a voltage detection unit and a switch unit. The wireless communication unit receives electric equipment operation state information, including power and preset duration, sent by terminal equipment, and transmits the information to the controller. The controller calculates the required total electricity consumption according to the information and adjusts the inclination angle of the photovoltaic cell panel so as to match the actual demand, ensure the consistency of the photovoltaic generating capacity and the electricity consumption and avoid energy waste or insufficiency, the voltage detection unit monitors the port voltage of the first energy storage power supply in real time, and when the voltage is lower than a preset threshold value, the first energy storage power supply is switched on. And sending a conduction signal to the controller. The controller automatically conducts the power supply connection between the second energy storage power supply and the off-grid inverter through the switch unit, and guarantees the power supply continuity.

A method is provided for transferring energy from a stationary unit to a movable unit of a linear transport system. The system includes a guide rail for guiding the movable unit, a plurality of stationary units, a controller, and a linear motor for driving the movable unit along the guide rail. The linear motor includes a stator and a rotor. The stator comprises the stationary units, each having one or more drive coils. The rotor is arranged on the movable unit, and has one or a more magnets. In addition, the stationary units each have one or more energy-transmitting coils, and the movable unit has at least one energy-receiving coil. The controller determines position data for the energy-receiving coil, selects at least one energy-transmitting coil based on the position data, and outputs a control signal to the stationary unit, with identification information for identifying the energy-transmitting coil.

This invention discloses a safety warning device and its control method. The safety warning device includes an image acquisition unit, a sound generation unit, a warning light unit, a blocking unit, and a controller unit. The controller unit is connected to the control terminals of the image acquisition unit, the sound generation unit, the warning light unit, and the blocking unit, respectively. The controller unit and the image acquisition unit are connected via a communication unit and a remote terminal, respectively. The control method includes: acquiring on-site images or videos through the image acquisition unit and performing image recognition; calculating the height H of the target object; if H is greater than a first preset value and less than or equal to a second preset value, enabling the sound generation unit and the warning light unit through the controller unit and saving the on-site images or videos; if H is greater than the second preset value, enabling the sound generation unit, the warning light unit, and the blocking unit through the controller unit and saving the on-site images or videos. This invention can provide timely warnings and blocking, thereby ensuring the safe and stable operation of power grid equipment.

The application relates to a fuel cell system and a control method thereof, and an electric vehicle, the fuel cell system being connected with a power system of the electric vehicle, the fuel cell system comprising a fuel cell, a self-locking unit, a controller and a gas storage unit; in the case that a key switch is turned on, the controller is powered by a power battery, so that the controller controls the gas storage unit to execute a starting process after the self-locking unit is closed, and the fuel cell starts to work after the starting process is completed; in the case that the key switch is turned off, the controller is powered by the power battery, so that the controller controls the self-locking unit to be turned off after the gas storage unit executes a shutdown process, and the fuel cell stops working after the shutdown process is completed. According to the technical scheme, the power system of the two-wheeled electric vehicle is used to supply power for the starting process and the shutdown process of the gas storage unit, so that the traditional two-wheeled electric vehicle is conveniently transformed.

The invention discloses a desktop type water bath high-low temperature exchange device capable of automatically replenishing water, which relates to the field of laboratory test equipment and comprises a high-temperature pool, a low-temperature pool and a sample transfer mechanism arranged between the high-temperature pool and the low-temperature pool, the high-temperature pool and the low-temperature pool are each provided with one automatic water supplementing system, and each automatic water supplementing system comprises a detection unit used for detecting the water level, a controller and a water supplementing execution unit controlled by the controller. According to the automatic water supplementing system, through the synergistic effect of the detection unit, the controller and the water supplementing execution unit, precise closed-loop control over the water level of the high-low-temperature water pool is achieved. The system can monitor the water level change in real time, automatically complete water replenishing operation, ensure that the water level is always maintained in a preset range in the whole experiment process, realize long-time unattended continuous testing, and improve the automation degree and the operation reliability of equipment.

The present invention discloses a platform screen door system fault detection and analysis device and method, which relates to the technical field of platform screen door system faults, aiming to solve the problem that the existing technical solutions mainly rely on manual detection and analysis of the operating state of equipment. A subway platform screen door unit controller and a door control unit are provided. The subway platform screen door unit controller and the door control unit communicate through CAN. The door control unit controls the platform screen door. Then, a microprocessing unit, a voltage detection circuit, a counter, a power supply circuit, a touch display screen, a detection device, a SIG door opening and closing simulation circuit, a remote communication module, a remote server, and an automatic time synchronization module are set. The power supply circuit, the touch screen display circuit, the detection device, the SIG door opening and closing simulation circuit, the voltage detection circuit, and the remote communication module are connected to the microprocessing unit. The detection device is connected to the subway platform screen door unit controller through a communication interface wiring, and a USB interface is provided to reduce the human resource consumption for the platform screen door system fault detection and analysis.

The invention relates to a brushless direct current motor simulator system and method. The brushless direct current motor simulator system comprises a motor simulator unit and an energy feedback unit. In the motor simulator unit, a motor resolving model calculates and outputs three-phase current as instruction current based on an input line voltage and a load torque instruction; the motor simulator unit controller takes an interface input side phase current as a tracking current and adopts a current tracking control strategy based on dynamic current deviation compensation to obtain an instruction voltage so as to drive and control a motor simulation power converter; in the energy feedback unit, a phase-locked loop obtains a power grid phase angle based on alternating current side voltage and current; and the energy feedback unit controller generates instruction voltage by adopting a fixed direct current side voltage control strategy based on power grid voltage orientation so as to drive and control the energy feedback power converter. Compared with the prior art, the square wave current and the trapezoidal wave back electromotive force of the brushless direct current motor and the external port characteristics of the brushless direct current motor under normal operation and fault working conditions can be accurately simulated.

A distributed SST-based power dispensing network, comprising a main cell system including a main cell and a main cell controller, the main cell having main cell converter circuitry including a primary bridge of a dual active bridge (DAB), the main cell controller configured to control the primary bridge and configured to activate main cell forward mode control circuitry or main cell reverse mode control circuitry perform based on a direction of power flow; and a power dispensing system including a power dispenser and a power dispenser controller, the power dispenser having power dispenser converter circuitry including a secondary bridge of the DAB, the power dispenser controller configured to control the secondary bridge and configured to activate power dispenser forward mode control circuitry or power dispenser reverse mode control circuitry based on the direction of power flow.

The utility model discloses an off-highway dumper drive-by-wire brake spraying system and an off-highway dumper, and the off-highway dumper drive-by-wire brake spraying system comprises a gas path consisting of a gas tank, a one-way valve, a pressure reducing valve, a first electric ball valve and a water spraying tank which are connected in sequence, the water path consists of the water spraying tank, a filter, a second electric ball valve, an electromagnetic valve and a high-precision nozzle which are connected in sequence; the system further comprises an integrated electronic control unit, a controller local area network bus and a temperature sensor; the temperature sensor is in communication connection with the integrated electronic control unit through the controller local area network bus. The integrated electronic control unit is in communication connection with the first electric ball valve, the second electric ball valve and the electromagnetic valve. The high-precision nozzle and the temperature sensor are arranged at the positions right opposite to the friction face of the brake drum. The temperature of the brake drum is obtained in real time, the spraying water amount and the spraying time of the nozzle are controlled, the spraying opportunity is more accurate, and the water spraying amount meets the actual requirement.

The invention relates to the technical field of power flow control, and particularly provides a DSSC device dynamic current sharing performance test system and method based on multi-device parallel connection, and the system comprises a valve layer control board, a unit controller, and a plurality of drive boards. The valve layer control panel is used for issuing a test control pulse command to the unit controller; the unit controller is used for generating a driving PWM pulse signal corresponding to the test control pulse command and issuing the driving PWM pulse signal to a driving board; the driving board is used for converting the received driving PWM pulse signal into an electric PWM signal for driving a power device, and sending the electric PWM signal to the power device in the half-bridge unit controlled by the driving board; wherein a control object of one driving board is a power device in one half-bridge unit. According to the technical scheme provided by the invention, the dynamic current sharing property of a plurality of power devices which are connected in parallel can be verified by a simple and efficient method under the condition that the sub-module outputs a large current.

A control circuit and a configuration method for an LED string are disclosed. The LED string includes n LED units connected in series. A controller sends a setting signal including mi bits sent to the LED units. Each LED unit counts a number of bits mi of the setting signal. These operations are repeated x times, where x is an integer from 1 to not greater than (n−1) and i is from 1 to x, and the bit count obtained in each repetition is cumulatively added for each LED unit. An xth LED unit, upon receiving an (x−1)th setting signal, writes an accumulated count into a temporary storage element of the LED unit. The controller then sends a programming signal to the LED units, and each LED unit writes the accumulated count stored in the temporary storage element into a storage element of the LED unit.

1. Name of the design product: Controller with a housing. 2. Use of the design product: For industrial automation, such as for industrial robots; used as a programmable controller, control device, control unit, controller, I / O module, etc.; and used as the housing of a control device and the housing of an electronic device. 3. Design key points of the design product: Lies in the shape. 4. Picture or photograph that best shows the design key points: 3D view of Design 1. 5. Design 1 is designated as the basic design.

The utility model relates to the technical field of switching power supplies, in particular to an LED driving current regulating circuit with two-stage regulation, which comprises a controller unit, a wireless communication unit, a multi-gear switch unit and an LED driving unit. The wireless communication unit is used for externally connecting a first driving current signal and transmitting the first driving current signal to the controller unit; the multi-gear switch unit is used for generating a gear signal and transmitting the gear signal to the controller unit; the controller unit is used for adjusting the first driving current signal according to the gear signal, generating a second driving current signal and transmitting the second driving current signal to the LED driving unit; the LED driving unit is used for dimming the LED according to the second driving current signal; therefore, the debugging efficiency is improved, and the problems that the dimming diversity of the switching power supply is limited and the accuracy of the LED driving current cannot be calibrated after leaving a factory are solved.