284 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.

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 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.

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

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 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.

Provided is, for example, a substrate processing apparatus that makes it possible to optimize the operations of processing units with high accuracy. The substrate processing apparatus comprises: a plurality of unit controllers that each optimize the operation of the corresponding processing unit; a main controller that, in accordance with an instruction from the substrate processing apparatus, provides each of the unit controllers with an instruction for the operation of the corresponding processing unit; and a storage unit. The main controller acquires a set of optimization results from each of the unit controllers, and derives an evaluation value and a set of time-series control parameters that corresponds to that unit controller, on the basis of the optimization results. The main controller stores a data set that includes the derived evaluation value and set of time-series control parameters in association with the instruction or a timing in the instruction. The main controller performs the above process with respect to instructions or timings in an instruction, and store a plurality of data sets that are associated with each of the instructions or each of the timings.

A system for environmental maintenance includes a vacuum unit, an air purifier unit, a controller communicatively connected to the vacuum unit and the air purifier unit, a sweep sensor communicatively connected to the controller, and a movement sensor communicatively connected to the controller. The sweep sensor detects debris and sweeper swept into a detectable vicinity of the sweep sensor and the controller turns on the vacuum unit upon detection by the sweep sensor. The controller turns on the air purifier unit upon the vacuum unit being turned on, and the air purifier unit cycles on for a period as programmed in the controller. The movement sensor detects movement in detectable vicinity of the movement sensor and the controller turns on the air purifier unit upon detection by the sweep sensor, if the air purifier is not already turned on.

A control system comprises a detector for sensing the position of a workpiece moving along a feed path, a drive for powering a processing device to perform processing on the workpiece, a controller (12) for controlling the drive, and a remote input / output unit for sending a sensing signal from the detector to the controller (12). The controller (12) includes a Kalman filter (23) for estimating a future position of the workpiece based on the sensing signal and a time generator (25) for generating a time at which the processing device performs the processing, based on the estimated future position of the workpiece. The controller sends the processing time to the drive via the remote input / output unit.

The application provides a kind of visual quality inspection and machining precision closed-loop control method and system of intelligent manufacturing unit, specifically collect the image of workpiece to be inspected, obtain initial target frame by target detection network, segment workpiece image to obtain pixel mask and contour, calculate the minimum area of contour as size reference frame as circumscribed quadrilateral;Based on the matching relationship between the actual feature points in the reference frame and the preset template, calculate the homography matrix to correct the perspective distortion, get the corrected contour and the standard size frame;Sample along the normal direction of each side of the standard size frame to get edge point set, fit high-precision edge with random sampling consistency algorithm and calculate the proportion of in-point, if the proportion does not meet the standard, increase the sampling density and re-fit, compare the fitted workpiece size with the planned size, and construct the machining deviation state matrix;Combine historical deviation matrix and compensation parameters to update the transfer matrix of machining process online, generate compensation parameters through current deviation matrix and send to unit controller.

Disclosed in the present disclosure is an air conditioner, comprising a compressor (3), which is of a variable-frequency type. The air conditioner further comprises a driver (2), a temperature detection unit (4) and a controller (1), wherein the driver (2) is connected to the compressor (3), and is configured to drive the compressor (3) to operate; the temperature detection unit (4) is connected to the driver (2), and is configured to detect the temperature of the driver (2), which temperature is recorded as an operating temperature; and the controller (1) is respectively connected to the driver (2) and the temperature detection unit (4), is configured with a temperature threshold, and is configured to: cyclically acquire the operating temperature; compare the operating temperature with the temperature threshold; determine whether the operating temperature reaches or exceeds the temperature threshold; and if so, reduce the control frequency of the compressor (3). The present disclosure limits the temperature rise of the driver (2) by means of adjusting the control frequency of the compressor (3), thereby reducing the requirement for a heat dissipation apparatus and the use cost of a direct-current electric motor, further lowering the cost of the air conditioner, and improving the safety and reliability of air conditioner operation.

To improve assemblability while firmly joining constituent members in a battery pack.SOLUTION: The battery pack 1 includes a plurality of stacked batteries 100, and extends in an intersecting direction (width direction Y) intersecting a stacking direction X at end portions of the plurality of batteries 100 along the stacking direction X. The battery module includes the holding member (the first end block 211 and the second end block 213) that holds the plurality of batteries 100, the control unit (the controller unit 400) that controls the plurality of batteries 100, the input / output unit (the junction unit 700) that is provided along the stacking direction X and to / from which electric power of the plurality of batteries 100 is input / output via the controller unit 400, and the fastening member (the fastening bolt 241) that directly fastens the first end block 211 and the second end block 213 to the housing (the case 721) of the junction unit 700.SELECTED DRAWING: Figure 1

The present application relates to a kind of big tonnage high-pressure lithium electric fork truck cooling control system and control method thereof.The system includes drive assembly, pump assembly, hydraulic oil tank assembly, integrated triplex radiator, electronic fan, drive assembly cooling unit, pump assembly cooling unit, hydraulic oil cooling unit, controller and temperature detector.The present application is for high-performance big tonnage high-pressure lithium electric fork truck, according to the different temperature requirements of motor, electric control, hydraulic oil, the heat dissipation system is divided into three-way circulation cooling system, namely one-way drive cooling, one-way pump cooling, one-way hydraulic oil cooling, by an integrated triplex radiator centralized heat dissipation, the construction of big tonnage high-pressure lithium electric fork truck drive and pump two-way water cooling, one-way oil cooling control system is realized, form a precise energy-saving, reliable and stable cooling control system, both meet the motor, electric control, hydraulic oil work in suitable temperature, while having the advantages of pipeline connection simple, control logic easy to realize, energy demand low.

The invention discloses a memory device. The memory device includes a single program cell array, a physically unduplicable function cell array, and a controller. The single-time programming unit array comprises a plurality of single-time programming units. The physical unduplicable function unit array comprises a plurality of physical unduplicable function units. The controller performs a first read operation on the physically unduplicable function cell array to read a plurality of first bit values, performs a second read operation on the physically unduplicable function cell array to read a plurality of second bit values after the first read operation, performs a comparison operation on the first bit values and the second bit values, and performs a comparison operation on the first bit values and the second bit values. And determining whether to allow a single program load operation to read the single program cell array according to a result of the comparison operation.

The application provides a double-fed induction generator control system based on a data-driven estimator, comprising a power comparison unit, a PI controller, a rotor current comparison unit, a d-axis filter, a q-axis filter, a d-axis state estimator, a q-axis state estimator, a d-axis data-driven adaptive unit, a q-axis data-driven adaptive unit, a d-axis neural network unit, a q-axis neural network unit, a d-axis controller, a q-axis controller and a double-fed induction generator. The application can accurately estimate system uncertainty and environmental disturbance, adopts a topology structure of a stator side connected to a non-controlled rectification bridge, directly connects a direct current power grid in parallel, controls the motor system by controlling the rotor side inverter to regulate the excitation current, so as to realize direct power control of the double-fed motor direct current power generation system.

A battery management system includes a first battery cell controller, a second battery cell controller each monitoring a plurality of battery cells, and an electrically isolated transmission line providing a point-to-point signal transmission path between the first battery cell controller and the second battery cell controller. At least one of the first battery cell controller or the second battery cell controller includes at least one encoding / decoding circuit that encodes data in accordance with a multi-level encoding technique for transmission along the signal transmission path as a serial data stream, including modulating the serial data stream on at least three discrete signal levels at a predetermined and fixed data pulse frequency, encoding a plurality of data nibbles of the serial data stream into a data packet, the data packet including a plurality of symbols structured and arranged to have at least four consecutive chips per symbol, wherein the at least four consecutive chips per symbol of the data packet include a DC balance line code in each of the symbols.