472 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.

An apparatus for storing data in a nonvolatile memory includes a controller configured to erase a group of physical memory cells in the nonvolatile memory. The controller is configured to write multiple bits of information to each of a first group of physical memory cells in the nonvolatile memory. The controller is configured to map a logical address range to a physical address range for the first group of physical memory cells in the nonvolatile memory. The controller is configured to determine if the first group of physical memory cells fails a data integrity test. If the first group of physical memory cells fails the data integrity test, the controller writes at least some of the information stored in the first group of physical memory cells to a second group of physical memory cells in the nonvolatile memory. The controller writes a single bit of information per cell in the second group of physical memory cells. The controller is configured to map the logical address range to a second physical address range for the second group of physical memory cells.

The invention discloses an automatic double-pulse test system and method, and the system comprises an upper computer unit, a controller unit, a capacitor charging and discharging loop unit, a load inductance unit, an IGBT power unit, and an oscilloscope unit, the upper computer unit is connected with the controller unit, the controller unit is connected with the IGBT power unit, and the oscilloscope unit is connected with the capacitor charging and discharging loop unit. The control end of the controller unit is connected with the input ends of the capacitor charging and discharging loop unit and the load inductance unit, and the output ends of the load inductance unit, the capacitor charging and discharging loop unit and the oscilloscope unit are respectively connected with the IGBT power unit. The whole operation process can be realized through an upper computer. Full-automatic control and electrical isolation of the whole double-pulse test loop are realized through the controller, so that the test safety is effectively guaranteed; the turn-on and turn-off resistors driven by the IGBT can be adjusted on line, the operation is convenient, and the test efficiency is greatly improved; most IGBT double-pulse test scenes can be met, and the IGBT power module and the capacitor module can be directly and quickly connected with the system for testing.

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 large-tonnage high-voltage lithium battery forklift cooling control system, and a control method therefor. The system comprises a drive assembly (1), a pump assembly (12), a hydraulic oil tank assembly (3), an integrated triple-radiator (8), an electronic fan (19), a drive assembly cooling unit, a pump assembly cooling unit, a hydraulic oil cooling unit, a controller and a temperature sensor. For a high-performance large-tonnage high-voltage lithium battery forklift, according to different working temperature requirements of motors, electric control units and hydraulic oil, a heat dissipation system is divided into three circulating cooling systems, i.e. a drive cooling system, a pump cooling system and a hydraulic oil cooling system, which are subject to the integrated triple-radiator (8) for centralized heat dissipation. Thus, two water cooling control systems, i.e. a drive water cooling control system and a pump water cooling control system, and one oil cooling system are built for the large-tonnage high-voltage lithium battery forklift, thereby forming an accurately energy-saving, reliable and stable cooling control system, which allows the motors, the electric control units and the hydraulic oil to all work at a proper temperature, and has the advantages of simple pipe connection, control logic easy to implement, and low energy consumption requirements.

A charging system includes a controller, and an in-vehicle device, a notification unit, an operation unit, and a wireless communication unit that are provided in the vehicle. The controller includes a processor, and a memory connected to the processor. The processor executes processing including identifying a charging station at which the vehicle is scheduled to perform charging, deriving a charging time required for the charging before the vehicle arrives at the charging station, deriving an update time required for update of a control program of the in-vehicle device through the wireless communication unit before the vehicle arrives at the charging station, making a notification of the control program as an update target through the notification unit when the update time is equal to or less than the charging time, and updating the control program when the operation unit receives an operation of permitting the update of the control program.

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 belongs to the technical field of new energy, and particularly relates to a multifunctional protection module for an automobile charging pile. The module aims to solve the defects of poor safety, high cost, long research and development period and the like of an alternating current charging pile in the prior art, and cost reduction and benefit improvement are realized through integrated design. The module comprises a circuit breaker unit, an electric leakage detection unit, an electric energy metering unit, a system temperature detection unit, a controller unit and a data communication port, and the units are connected through internal circuits to realize real-time data acquisition and processing. The module has multiple protection functions of electric leakage opening protection control, short circuit opening protection, overload opening protection, fault opening protection, over-temperature opening protection, overvoltage and undervoltage opening protection and the like, and charging safety is ensured. According to the implementation of the invention, the safety and reliability of the charging pile are improved, the production and maintenance cost is reduced, the research and development period is shortened, and the user experience 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.

A simulation system and method for hydrogen production by water electrolysis. The simulation system for hydrogen production by water electrolysis comprises: 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.

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 invention discloses an oil-gas separation system and method and a storage medium. The system comprises an oil-gas detection sensor unit, an oil-gas separation unit, a controller unit, a gas circulation unit and an engine, the oil-gas separation unit is used for carrying out oil-gas separation on mixed gas output by the engine, then outputting first mixed gas and inputting the first mixed gas into the gas circulation unit, the oil-gas detection sensor unit is used for detecting the oil-gas content of the first mixed gas in the gas circulation unit and outputting the oil-gas content to the controller unit, and the controller unit is used for controlling the separation efficiency of the oil-gas separation unit according to the oil-gas content. By means of the system, the controller unit can control the oil-gas separation efficiency of the oil-gas separator unit according to the oil-gas content, and self-adaptive adjustment of the oil-gas separation efficiency according to the oil-gas content is achieved.

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 discloses a multi-agent automatic control and analog calculation method for a cluster type rectifying tower, which comprises the following steps: columnar rectifying units in the cluster type rectifying tower are formed by separating a space area in the tower, the rectifying units are uniformly distributed and are mutually independent, and any rectifying units have no mass transfer; carrying out analog calculation on the separation performance of a single rectification unit; a plurality of rectification units are coupled to form a cluster type rectification tower, and the device is subjected to multi-loop process control system design; designing an intelligent agent unit controller according to the multi-coupling characteristics of the cluster type rectifying tower, and realizing uniform distribution and state consistency of each unit fluid in the cluster type rectifying tower; and carrying out dynamic simulation calculation on the multi-loop process control system, adjusting and optimizing parameters of the controller, and testing the anti-interference performance. Key operation parameters of a cluster type rectifying tower device are simulated and analyzed through a simulation calculation technology, the optimal rectifying condition is determined, a multi-agent automatic control system is designed, and a technical basis is provided for industrialization of the cluster type rectifying tower.

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.

The invention provides a flywheel array state-of-charge consistency power distribution method considering loss. The flywheel array state-of-charge consistency power distribution method is used for power distribution operation optimization of a flywheel energy storage array. Firstly, an array controller receives a total power instruction, feeds back a system available state, receives a unit operation state fed back by a unit controller, and carries out calculation and allocation preparation. Secondly, setting an optimal operation curve corresponding to the state of charge of the unit, and fitting the corresponding relation between the unit operation loss and the state of charge, which is set in advance; and finally, according to the consistency-efficiency objective function under the set weight, solving the optimal reference power allocated to the unit. According to the method, a solution is provided for array power distribution and optimization, and dual consideration of array operation consistency and efficiency is realized.

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.