599 results about "Power controller" patented technology

An electric motor based system includes an electric motor; an electric motor power controller for controlling the electric motor; a first control unit, adapted to provide first control signals for the electric motor power controller; an electric power storage device adapted to power the electric motor power controller; a first sensor adapted to determine information related to power exchange between the electric power storage device and the electric motor power controller; and a second control unit, wherein the second control unit is adapted to pass the first control signals, received from the first control unit, to the electric motor power controller in a first mode and adapted to provide second control signals for the electric motor power controller in a second mode; and the second control unit inputs and exploits the information.

The invention provides a multipath solid-state power controller detection device and method, and belongs to the technical field of integrated testing and fault diagnosis, and the device comprises an MCU control circuit module which is used for achieving the full-process automatic control and data analysis of the testing device; the load control module is used for controlling a load environment provided in a test process; the data acquisition circuit module is used for acquiring an SSPC channel, a switching value, a small voltage signal and a current signal; the power circuit module is used for providing power; the communication interface circuit module is used for communicating with the outside; and the display screen and key circuit module is used for man-machine interaction in the detection process. According to the detection device, SSPC all-condition performance verification is realized through multi-channel synchronous excitation, distributed data acquisition and dynamic loading; the core pain points of low test efficiency and difficult fault positioning of the multi-channel SSPC board card are solved.

A control system for an AC-DC converter includes a mixed-signal power controller and first and second gate drivers. The controller has a digital module and an analog module. The analog module has a current sensor generating a current sense voltage based on a sensed switch current. The digital module has a DC voltage sensor generating a DC sense voltage based on a DC bus voltage, and an AC voltage sensor generating an AC sense voltage and a binary polarity signal based on the AC voltage. The digital module induces the first gate driver to output first and second control signals for controlling a high-side switch and a low-side switch of a current shaping half-bridge based on first and second clock signals and the comparator voltage, such that an inductor current flowing through an inductor is proportional to a current command value.

The invention belongs to the technical field of vacuum coating, and particularly relates to a vacuum coating machine electron gun control method and system.The control method comprises the steps that in the coating process, key real-time parameters reflecting the working state of an electron gun and the evaporation process are continuously collected and fused, and the current coating state is evaluated in real time based on the key real-time parameters; and in combination with preset coating process requirements, an electron beam control target instruction set of a next control period is dynamically generated through a built-in decision mechanism and is sent to a power controller, a focusing coil controller and a scanning coil controller of the electron gun, and the electron gun is driven to adjust the power output, the focusing state and the scanning motion of the electron gun in real time. Through accurate and stable control of the evaporation rate, material characteristic changes are effectively coped with through a strong closed loop of power and the evaporation rate; the dynamically planned scanning path can actively compensate the non-uniformity of the thermal field of the crucible, and beam spot energy distribution is optimized in combination with focusing adjustment, so that the uniformity of the thermal field is remarkably improved.

Certain aspects of the present disclosure provide a method at a monitoring device. The method may include determining whether power is completely turned off to processing elements from a power source during a power saving state and / or whether the power is completely turned on to the processing elements from the power source during a normal power state, based on monitoring of a power controller configured to turn or off the power to the processing elements from the power source. The method may further include transmitting an alert signal when the power is not completely turned off to processing elements from the power source during the power saving state and / or the power is not completely turned on to the processing elements from the power source during the normal power state.

The invention provides an AC solid-state power controller isolation voltage acquisition circuit device, and the device comprises an AC voltage acquisition unit which is used for achieving the voltage acquisition of an AC solid-state power controller; the isolated power supply unit is used for providing an isolated power supply for the alternating-current voltage acquisition unit; the reference voltage unit is used for providing reference voltage for the AC voltage acquisition unit; and the power supply unit provides a power supply for the AC voltage acquisition unit. According to the technical scheme of the invention, the size of the sampling circuit can be reduced while voltage acquisition is realized, and the acquisition precision and safety of the sampling circuit are improved.

A multi-power-source vehicle control system comprises: a first power control device configured with one or more power management components, each for generating a corresponding power control signal; a plurality of control units, one of the plurality of control units being connected to the first power control device, the connection among the plurality of control units being configurable to enable a plurality of driving devices to work cooperatively or independently, and each of the plurality of control units being configured to analyze a corresponding power control signal; a plurality of power controllers being correspondingly connected with the plurality of control units and used for outputting drive signals to the corresponding power devices according to the power control signals analyzed by the corresponding control units.

A device for controlling a vehicle includes a sensor that obtains state information of the vehicle, and a power controller which is configured to determine whether an activation condition of a dark current blocking control function is satisfied based on the state information of the vehicle, determines whether a power control mode is selected when the activation condition of the dark current blocking control function is not satisfied, and controls to cut off power supply to a dark current load based on the selected power control mode.

A display device includes a display panel including a plurality of pixels, and a driving controller which receives an image signal, and outputs a data signal. The driving controller includes a first power controller which outputs a load of a (N−1)-th image signal based on the image signal, N being a natural number of two or more, a second power controller which outputs a driving voltage of the (N−1)-th image signal based on the image signal, a calculation unit which receives the load, the driving voltage, and a maximum power data value, and outputs a calculation correction value for controlling a driving current of each of the plurality of pixels, and a data output unit which outputs the data signal, which is obtained by adjusting a grayscale level of the image signal, based on the load, the driving voltage, and the calculation correction value.

The invention discloses a control method, device, equipment, medium and product of a network-forming type permanent magnet wind power system, and the method comprises the steps: calculating the maximum wind energy tracking power outputted by the network-forming type permanent magnet wind power system under the optimal wind energy tracking based on the maximum wind energy tracking coefficient; calculating a direct-current voltage damping control coefficient of a side damping controller according to the inertia coefficient and the damping coefficient of the direct-current voltage; calculating an electromagnetic power reference value output by the permanent magnet synchronous generator according to the maximum wind energy tracking power and the DC voltage damping control coefficient; and subtracting the electromagnetic power reference value from the electromagnetic power actual value, and inputting the difference value into a machine side active power controller so as to adjust the electromagnetic power output by the permanent magnet synchronous generator. According to the method, on the basis of not adding hardware equipment, the transient stability of the grid-forming type permanent magnet wind power system during the short-circuit fault period of the power grid can be remarkably improved only by changing the control strategy of the machine-side converter of the grid-forming type permanent magnet wind power system.

The invention discloses a power supply test method and system, a test fixture and a storage medium, and relates to the technical field of testing, and the method comprises the steps: responding to a received test instruction, generating a test control signal corresponding to the test instruction through a main controller, generating a load simulation signal according to the test power and the input voltage of the test fixture, and transmitting the load simulation signal to a test module; and in response to the load analog signal, adjusting the load of the power controller through a load analog module according to the load analog signal and a feedback signal of the load of the power controller so as to update the feedback signal until the voltage difference between the voltage value indicated by the load analog signal and the voltage value indicated by the feedback signal is within a specified voltage difference range, the problem of low accuracy of the test result of the power supply test in the prior art is solved, and the accuracy and reliability of the power supply test are improved.

A display driver and a display device including the same are disclosed. The display driver includes a voltage adjustment part that receives a driving voltage from a power supply and outputs a first voltage and a second voltage; a frame memory that receives the first voltage and stores pixel data of input images; a digital circuit part that is driven by receiving the second voltage and includes a memory, a plurality of functional blocks, and a power controller; and a control part that generates a control signal for controlling the driving voltage in response to a signal input from the digital circuit part.

An offline voice-controlled Christmas light power controller includes: a power supply module, and an input end of the power supply module is electrically connected with an alternating current live line and an alternating current neutral line; a master control module, and a power supply end of the master control module is electrically connected with an output end of the power supply module; a voice recognition module; and a driving module. The master control module controls the driving module to start up to turn on or off the light strip based on whether the startup signal is received. The voice recognition module recognizes a voice collected by the microphone and starts up or shuts down the driving module based on the voice, without manual operation, bringing much convenience.

An apparatus comprising a plurality of power feeder cables (136) for transferring power between an electrical machine (128) located within an engine core of a gas turbine engine (102) and power controllers (132) located on a fan casing (138) of the gas turbine engine (102). A conduit housing (134) defines an interior for enclosing the plurality of power feeder cables (136). A first connector (140) connects a first point on the conduit housing (134) to the engine core of the gas turbine engine (102). A second connector (142) connects a second point on the conduit housing (134) to a trailing edge flange of the fan casing (138) of the gas turbine engine (102).

A power controller device is disclosed for managing power from a plurality of power sources. The power controller device includes a rigid base storing internal electrical components and a top panel as a user interface. The rigid base includes a first electrical connection port for connecting to a power grid, a second electrical connection port for connecting to a generator, a third electrical connection port for connecting to a load that consumes power, and a controller. The controller is configured to monitor power inputs from the power grid and the generator, and selectively draw power from the power grid and the generator according to a selected operation mode from a plurality of operation modes and based on a load requirement. The top panel includes a manual toggle for selecting of the plurality of operation modes for operating the power controller, and one or more visual indicators for identifying the selected operation mode.

The invention provides a current sampling system of a common-power power ground and a multi-channel solid state power controller, and relates to the technical field of electronics, and the current sampling system of the common-power power ground comprises a plurality of sampling modules, a corresponding number of switch modules and an MCU. And the ith sampling module is matched with the ith switch module to sample the ith load current. And the other end of the load is connected with the positive electrode of the power supply through the switch module. The sampling unit of the sampling module is connected in series between the switch module and the positive electrode of the power supply. The sampling reference end of the sampling module and the grounding end of the MCU are connected with the negative electrode of the power supply. The MCU controls the conduction state of the switch module, the sampling module samples the load current when the switch module is conducted, converts the load current into a voltage signal and outputs the voltage signal to the MCU, and the current sampling circuit solves the problems that a current sampling circuit in the related technology is high in cost and large in size.

The invention discloses a wind power system cooperative power smoothing method based on rotor kinetic energy storage and variable pitch, belongs to the technical field of wind power, and solves the technical problem that in a full-wind-speed operation range, a traditional variable coefficient control method based on the rotating speed is difficult to accurately respond to wind speed changes after variable pitch control is introduced. According to the technical scheme, the method comprises the following steps that S1, according to the rotor kinetic energy principle, an active reference value of a given fan power controller is determined so as to smooth wind power fluctuation, that is, a filter GLF is cascaded after traditional maximum power tracking control reference power; s2, on the basis of power smoothing under the full wind speed, model-free self-adaptive variable pitch control is introduced, and control over the output power and the rotating speed of the draught fan in the full wind speed interval is achieved; and S3, considering the cooperative control of the kinetic energy and the variable pitch of the rotor under the full wind speed, adopting a fuzzy variable filter coefficient strategy based on wind speed estimation, and remarkably improving the power smoothing effect under the full wind speed through real-time control of the filter coefficient.

The invention discloses a fuel cell power generation system and a control method thereof, and the system controls the current of a fuel cell stack through the following method on the architecture that one path is branched from a bus between the output of the fuel cell stack and a DCAC (direct current-direct current converter) to supply power to the DCDC (direct current-direct current converter). The method comprises the following steps: acquiring a first difference value between an actual power value of a grid-connected / load and a target power value, and generating a reference current variation based on the first difference value and a power controller; obtaining a target current value of the fuel cell stack, and generating a reference current value based on the reference current variable quantity and the target current value; acquiring an actual current value output by the fuel cell stack; obtaining a current control value based on the reference current value, the actual current value and a current controller; and the fuel cell stack is controlled based on the current control value, so that closed-loop control of the power of the fuel cell can be realized, the system architecture is simplified, the system efficiency is improved, and the dynamic response capability is enhanced.

The invention provides a temperature control device and a temperature control method of semiconductor equipment. The temperature control apparatus includes: a heating element group including a plurality of heating elements including at least one upper heating element and at least one lower heating element, the heating element group corresponding to one heating area in the semiconductor device; the temperature sensor is arranged corresponding to the heating area and is used for measuring the actual temperature of the heating area; the control circuit is used for outputting a control signal according to the actual temperature and the target temperature of the heating area; the calculation unit is used for internally setting the individual coefficient of each heating element, the upper coefficients of all the upper heating elements and the lower coefficients of all the lower heating elements, and calculating the output power value of each heating element in the heating element group according to the control signal, the individual coefficient, the upper coefficients and the lower coefficients; and the power controller is used for respectively controlling the output power of each heating element in the heating element group according to the output power value.

The invention relates to the technical field of wireless communication, and discloses a Bluetooth low-power-consumption device remote wakeup method and system, a storage medium and a device, and the method comprises the steps: recognizing and configuring a Bluetooth low-power-consumption controller to maintain a minimum function unit set, and automatically optimizing the power consumption distribution of each unit; effective remote wake-up signals are detected and identified through a multi-layer signal verification mechanism; starting a grading module activation process sorted according to a preset priority, and preloading a function module corresponding to the high-frequency operation based on the user behavior prediction model; a special Bluetooth low-power-consumption communication protocol is configured, and connection parameters are dynamically adjusted according to communication requirements to manage the connection state; an independent power supply control strategy is adopted for different functional modules, the service life and endurance of the Bluetooth low-power-consumption equipment are prolonged and prolonged through an energy collection technology and storage optimization, and the problem that the wireless intelligent audio equipment cannot be remotely awakened in a low-power-consumption state is solved through a layered awakening architecture and an intelligent power consumption management strategy.

The invention relates to an eight-channel solid-state power controller and a control method thereof. The eight-channel solid-state power controller comprises a busbar V +, eight independent branch power units, a voltage and current conditioning circuit, an ARM control circuit, an output IO conditioning circuit and a CAN interface circuit. Each branch power unit comprises an intelligent power high-side switch, a voltage detection unit and an output terminal, and direct current converged by a busbar V + is distributed to eight load branches; the voltage and current conditioning circuit conditions output voltage signals and output current signals of the eight independent branches and then sends the signals to the ARM control circuit. And the output IO conditioning circuit isolates a control signal sent by the ARM control circuit through an optical coupler to form a control signal CM to the intelligent power high-side switch. The multi-channel solid-state power controller is an integrated multi-channel solid-state power controller which is high in power and supports a large capacitive load, and a pulse opening control method is adopted to realize 8-channel load control and support large capacitive load control. The system has the advantages of simple structure, low cost, high integration level and reliability, and has a good application prospect.

The invention discloses a water dispenser, a control method and device thereof and a computer readable storage medium, and relates to the technical field of water dispensers, the water dispenser comprises a hot tank and a power control device, the hot tank comprises a heating element, and the power control device is connected with the heating element. The water dispenser control method comprises the steps that the temperature difference between the target heating temperature corresponding to a hot tank and the real-time temperature of water in the hot tank is determined; when the temperature difference is larger than a preset temperature difference threshold value, the water body in the hot tank is heated through the heating element based on the first heating power; and when the temperature difference is smaller than or equal to the preset temperature difference threshold value, the power control device controls the heating element to heat the water body in the hot tank based on second heating power, and the first heating power is larger than the second heating power. The technical problems that according to an existing heating scheme of the water dispenser, the service life of hardware is affected, and energy consumption is too high are solved.

The invention discloses a bypass inductor echelon current limiting topology and method for solid-state power distribution equipment, relates to the technical field of power electronic distribution, and is suitable for solid-state power controllers in the fields of aerospace, new energy automobiles and industrial automation. In order to solve the problems that when a large capacitive load is started, a current peak is likely to be generated to damage a device, and an existing current limiting scheme is low in efficiency or large in size, the topology comprises an input circuit, a main power circuit, an auxiliary circuit, a current limiting circuit, an absorption circuit and a load side circuit. According to the method, the auxiliary circuit switch tube is turned on in an echelon mode, and the main switch tube is turned on to complete starting after load voltage approaches power supply voltage and reaches a non-voltage-difference condition. According to the planar inductor integrated PCB, the size is reduced, the problem of long-term heating of a resistor is solved, the TVS overvoltage protection and RC anti-interference design are matched, the current peak is effectively restrained, the system efficiency and reliability are improved, and the high-power-density and differential-pressure-free starting requirements are met.

A fuel cell generation system control apparatus performs a method for controlling power of a fuel cell generation system. A monitoring device monitors power of the one or more fuel cell modules. A controller compensates for power of one or more first fuel cell modules by one or more second fuel cell modules, based on the monitored power, and performs power control of the one or more fuel cell modules. The fuel cell generation system control apparatus addresses a problem in which power of the fuel cell generation system is reduced as there is a change in external environment or an increase in driving time upon power control of a multi-module fuel cell system.

The utility model discloses a charging gun system control circuit comprising a power supply module, a CPU module, a communication module, a charging gun control module and an insulation detection module, and the CPU module is respectively connected with the power supply module, the communication module, the charging gun control module and the insulation detection module. The charging gun control module comprises a direct current contactor, a power controller, a detection module and a gun lock control module, and the detection module comprises a temperature detection module, an auxiliary source detection module, a vehicle-mounted voltage detection module, a CC1 voltage detection module and a return lock feedback detection module. The temperature detection module, the auxiliary source detection module, the vehicle-mounted voltage detection module, the CC1 voltage detection module and the return lock feedback detection module are connected with the CPU module through the CAN module; the charging gun control module provided by the utility model has the advantages of simple and reliable internal circuit, low cost of a micro-control chip of the acquisition control circuit, modular design, reconfigurability, expandability and the like.

The invention provides a power controller test and inspection device, which comprises a load cabin and a storage vessel, the load cabin comprises a plurality of cross braces, the surfaces of the cross braces are provided with positioning holes, the storage vessel comprises a tray, a support rod and a U-shaped hook, one side of the hook is sleeved in the positioning hole, and the other side of the hook is sleeved in the support rod. The other side of the hook is fixedly connected with one end of the supporting rod, the other end of the supporting rod extends outwards, and the supporting rod is further fixedly connected with the tray. According to the technical scheme, in the process of verifying the related functions of the power controller, some auxiliary tools or auxiliary consumables used by an operator can be temporarily stored in the tray, the operator is prevented from discarding the auxiliary tools or the auxiliary consumables at will, the auxiliary tools or the auxiliary consumables are placed in order, and the verification efficiency of the power controller is improved. And re-selection by an operator is facilitated.

The utility model provides a power supply controller assembling device, which comprises a PCB (printed circuit board) feeding mechanism and a power supply controller assembling mechanism which are sequentially distributed, the PCB feeding mechanism comprises a half board processing assembly and a single board processing assembly, the half board processing assembly is used for processing a whole PCB into a PCB half board, and the single board processing assembly is used for processing the PCB half board into a PCB single board; the first assembling mechanism comprises a first conveying line and a first mechanical arm; the second assembling mechanism comprises a second conveying line and a second mechanical arm; and the control mechanism comprises a controller and a plurality of sensors, the controller is electrically connected with the PCB feeding mechanism, the first assembling mechanism, the second assembling mechanism and the plurality of sensors, and the control mechanism is used for controlling operation of the PCB feeding mechanism, the first assembling mechanism and the second assembling mechanism. According to the technical scheme provided by the utility model, the problem of low assembly efficiency of the LED power supply controller in the prior art can be solved.

This invention discloses a pluggable terminal integrated power controller, relating to the field of electrical connection and power control technology. It includes a housing with an opening on one side, within which a pluggable terminal mechanism is housed. This pluggable terminal integrated power controller, through a self-locking anti-loosening pluggable mechanism, employs a pluggable terminal structure and a design that adapts the first wedge-shaped block's inclined surface to the male terminal's wedge-shaped groove. When the male terminal's pluggable block is inserted into the female terminal's fixing block's slot, the first wedge-shaped block automatically locks into the wedge-shaped groove under the action of a return spring. This, combined with the male terminal's guide inclined surface and the female terminal's guide groove, forms a dual positioning system, achieving automatic anti-loosening locking without the need for screws. During unlocking, an unlocking drive mechanism moves the first wedge-shaped block in the opposite direction, quickly disengaging it from the wedge-shaped groove, enabling rapid assembly and disassembly of the wires and controller. This solves the problem of cumbersome operation requiring loosening and tightening bolts in existing technologies.

A paddy field automatic irrigation and drainage control system based on a cloud platform and Internet of Things belongs to the technical field of water conservancy facilities. The system is characterized by comprising a water level sensor, a control box body, a cloud platform, a service gate and the like. The control box body comprises a LoRa module, a gateway element, a power supply controller and a control circuit. The LoRa module receives water level data sent by the water level sensor, receives a control instruction sent by the cloud platform through the gateway element and sends the control instruction to the electric control opening and closing water retaining gate through the control circuit, and the electric control opening and closing water retaining gate receives the control instruction sent by the LoRa module and adjusts the opening degree of the gate. According to the utility model, on-site unattended management conditions can be satisfied, mobile terminal network domain control is realized, and technical support is provided for unmanned irrigated areas and unmanned farms.

The utility model provides an electrostatic sensitive device welding control device, and belongs to the technical field of electrostatic sensitive device welding control. The technical problem to be solved is to provide the improvement of the hardware structure of the electrostatic sensitive device welding control device. According to the technical scheme, the electric soldering iron comprises a time power-on controller, an electric soldering iron power source and a foot switch, a microcontroller, a display module, a time setting module and a time relay are arranged in the time power-on controller, and the signal input end of the time relay is connected with the microcontroller. The power supply input end of the time relay is connected with the power supply input end of the time power-on controller, and the power supply output end of the time relay is connected with the power supply output end of the time power-on controller; the microcontroller is further connected with a display module and a time setting module through wires, and the signal input end of the microcontroller is connected with a foot switch through a quick plugging aviation socket. The welding device is applied to welding of electrostatic sensitive devices.