163 results about "Power processing" patented technology

The invention discloses a photovoltaic power interval prediction method based on a GRU-LSTM combined neural network, and belongs to the technical field of photovoltaic power interval prediction. The method comprises the following steps: S1, taking historical power generation data as original wind-solar power generation power prediction data, processing the data, and screening related meteorological characteristics by adopting a Pearson correlation coefficient; s2, a GRU-LSTM combination model is constructed, and related hyper-parameters are set; s3, taking the screened related meteorological features as input for training, calculating a photovoltaic point prediction result according to a weight coefficient, and performing related error evaluation; and S4, based on the photovoltaic power point prediction result, calculating a photovoltaic power interval prediction result by using a quantile regression technology, and detecting performance evaluation through a test set. According to the method, the minimum prediction error correlation index is taken as the target, the influence of different weathers on photovoltaic power processing is considered, the Pearson's correlation coefficient analysis is utilized to select more representative meteorological characteristics, and the combined model and the quantile regression technology are utilized to finally obtain the photovoltaic power interval prediction result.

A data processing method and device, a computer device, and a readable storage medium are disclosed. The method may include: acquiring a service algorithm of an application service, and performing format conversion on the service algorithm to obtain an algebraic intermediate representation; processing the algebraic intermediate representation according to a preset Scalable Transparent ARgument of Knowledge (STARK) conversion rule to obtain a prover and a verifier; sending the prover to a computing power processing device; receiving an operation result sent by the computing power processing device; and performing a verification on the proof information using the verifier, and sending the ciphertext result to the data source device in response to the verification of the proof information being successful, such that the data source device decrypts the ciphertext result using the homomorphic encryption algorithm and returns a plaintext result.

The invention provides a Hall and ion hybrid electric propulsion system. The Hall and ion hybrid electric propulsion system comprises a composite material gas cylinder, an inflation valve, a pressure adjusting module, a Hall flow adjusting module, an ion flow adjusting module, a Hall thruster, an ion thruster, an electric propulsion control unit, a power processing unit and a power supply processing and control unit, the pressure adjusting module supplies gas to the Hall flow adjusting module and the ion flow adjusting module in a time-sharing manner; the Hall flow regulation module and the ion flow regulation module are used for carrying out flow control on the Hall thruster and the ion thruster respectively; the electric push control unit performs time-sharing power supply control on the power processing unit and the power supply processing and control unit; the power processing unit and the power supply processing and control unit respectively provide electric energy for the Hall thruster and the ion thruster; the Hall thruster and the ion thruster provide thrust or impulse for the spacecraft; according to the Hall and ion hybrid electric propulsion system, the integrated design of air supply, power supply and autonomous process control of the Hall and ion thrusters is achieved, system air path and circuit configuration is simplified, and the requirement for a spacecraft with high specific impulse and high thrust electric propulsion systems at the same time is met.

The present disclosure provides a power distribution network scheduling method and device, electronic equipment and storage medium, belonging to the technical field of power processing, the method comprising: obtaining a plurality of user power datasets, processing each power consumption curve in the power dataset using tensor decomposition to obtain a plurality of power curve feature vectors; taking the power curve feature vectors of known type users as clustering centers, clustering the plurality of power curve feature vectors to obtain a plurality of clustering results; based on the plurality of clustering results, determining the user type information of each user in the plurality of users, the user type information at least including: office worker, single user, elderly user, industrial user, and commercial user. The technical solution provided by the present disclosure can greatly reduce the workload and improve the efficiency of identifying user types by using known type users to cluster unknown type users and determine the type information of unknown type users.

The invention discloses a lightweight model deployment method of an AI edge computing terminal and a low-power-consumption processing device, and relates to the technical field of artificial intelligence and edge computing, and the method comprises the steps: collecting the total energy consumption of the terminal and the power consumption data of a processor, a memory and a communication module in real time; by acquiring the energy consumption data of the terminal and the hardware in real time and establishing dynamic association of energy consumption and model adjustment, accurate matching of lightweight model deployment and an energy consumption state is realized, the problem of disjunction of model deployment and power consumption control is solved, sub-models are dynamically switched or calculation precision is reduced when the energy consumption exceeds a threshold value, and the energy consumption is reduced. When the energy consumption is too high, the complexity of the model is reduced in time, the balance between the energy consumption and the reasoning performance is realized, the problem that the energy consumption continuously rises or the performance is suddenly reduced is avoided, the cooperation of task execution and energy consumption management is realized by adjusting the task execution frequency and priority and combining closed-loop feedback continuous optimization, the reasoning performance is ensured, meanwhile, the consumption is accurately controlled, and the efficiency is improved. And the stability and the practicability in a complex environment are improved.

The application provides a computing power network system and a computing power processing method based on digital twinning, and relates to the technical field of communication.The system comprises a computing power management and control device, a computing power arrangement device, a computing network digital twinning body and a computing network infrastructure.The computing network digital twinning body is connected with the computing power management and control device, the computing power arrangement device and the computing network infrastructure respectively.The computing network digital twinning body is used for verifying and optimizing a computing power management and control scheme sent by the computing power management and control device, and outputting a computing power management and control optimization scheme.The computing network digital twinning body is also used for verifying and optimizing a computing power arrangement scheme sent by the computing power arrangement device, and outputting a computing power arrangement optimization scheme.The computing network infrastructure is used for executing at least one of the computing power management and control optimization scheme and the computing power arrangement optimization scheme sent by the computing network digital twinning body.

A computer-implemented method of obtaining user state data and underlying signal data in a wearable device, the wearable device comprising a main processor unit and a lower power processor unit, the method comprising: accessing an indicator of a device sub-state; if the device sub-state is an unknown device sub-state, continuing operation with the main processor unit turned on, and acquiring and processing the first plurality of sensor signals in the main processor unit to acquire user state data; and if the device sub-state is a known device sub-state, continuing operation with the main processor unit off and acquiring and processing a second sensor signal in the lower power processor unit, the second sensor signal being used for the known device sub-state to acquire user state data.

The invention discloses a business processing method and device, and relates to the field of computers. And the main processing core determines the processing core for processing the job according to the load information and the job attribute of each processing core. Thus, the main processing core schedules the operation included in the processing core processing service, a guarantee is provided for the low-power-consumption processing core to process complex services, the service processing range of the low-power-consumption processing core is expanded, the power consumption of the computing device is reduced, and the endurance time of the computing device is prolonged. And the master processing core schedules the master processing core and the slave processing core to process each job in the service so as to process the service, and the master processor and / or the slave processing core are / is adopted to schedule and process the service, so that the time required for processing the service is saved, and the scheduling efficiency of processing the service is improved.

Various aspects of the present disclosure relate to cell selection using a low power processor. A user equipment (UE) includes one or more primary radios corresponding to one or more radio access technologies (RATs) or frequencies, and also includes a low power radio (LR). The LR uses various information to perform cell measurements and cell selection or reselection procedures (e.g., according to a priority list provided by network equipment). After performing cell selection or reselection, the LR can wake up one or both of the corresponding RAT or primary radio of the selected cell, allowing other RATs or primary radios in the UE to remain in a low power mode (e.g., powered off or in a sleep state).

The patent application provides a power grid power checking and repairing method and system, comprising: collecting power grid active power data of a plurality of whole-station whole-line balance groups; using a power anomaly checking method to determine normal power grid active power data and abnormal power grid active power data by judging the power grid active power data; using a power balance algorithm to calculate the power loss rate average value of the whole-station whole-line balance group corresponding to the abnormal power grid active power data; based on the power loss rate average value and the power grid active power processing value, using a power repairing algorithm to repair the abnormal power grid active power data in the whole-station whole-line balance group; the whole-station whole-line balance group of the application is constructed by comprehensively considering the operation characteristics of the transformer substation and the line and the grid structure characteristics of the power grid, reducing the dependence on historical data, thereby more accurately predicting and processing new situations.

The application provides a low-power-consumption device and a low-power-consumption processing method of the device, which comprises a core processing module, a single-chip microcomputer module and a wireless communication module; the core processing module is connected with the single-chip microcomputer module; the wireless communication module is used for sending a keep-alive pulse signal to the single-chip microcomputer module when communicating with an external device; the single-chip microcomputer module is used for determining whether the wireless communication module communicates with the external device normally according to the received keep-alive pulse signal, receiving a wake-up pulse signal via the wireless communication module when determining that the wireless communication module communicates with the external device normally, and waking up the core processing module according to the wake-up pulse signal. By adding the single-chip microcomputer module in the low-power-consumption device, the single-chip microcomputer module can wake up the core processing module according to the wake-up pulse signal sent by the wireless communication module, so that the core processing module is only woken up when needed, thereby reducing the power consumption of the device.

The present disclosure relates to a converter comprising a first and second converter circuit and a series connection of a first and second capacitor unit. Each converter circuit comprises a first, second, third, fourth and fifth terminal; a power converter comprising a first, second and third terminal, an inductor, and a series connection of a first and second semiconductor switch unit; a first decoupling unit connected between the second terminal of the converter circuit and the third terminal of the power converter, and a second decoupling unit connected between the fourth terminal of the converter circuit and the third terminal of the power converter. The first, third and fifth terminal of the converter circuit are connected with the first terminal of the power converter, the second terminal of the power converter and the second terminal of the converter circuit, respectively.

The component assembly may include an electrical component disposed on the heat dissipating component to mechanically stabilize the electrical component such that the electrical component may be relatively thin. For example, the heat dissipation component may include a heat dissipation substrate including a thermally conductive material that is non-electrically conductive. The heat dissipation substrate may have a first surface and a second surface opposite the first surface, wherein a conductive layer is formed on the second surface of the heat dissipation substrate. The electrical component may include a component substrate having a first surface and a second surface opposite the first surface, and a conductive pattern may be formed on the first surface of the component substrate. The second surface of the component substrate may be disposed adjacent to the first surface of the heat dissipation substrate.

This invention discloses a laser burn-in system, relating to the field of laser burn-in technology. The laser burn-in system includes a burn-in component, a beam-uniforming and expanding module, a photoelectric conversion component, and a power processing module. The burn-in component is connected to the laser. The beam-uniforming and expanding module receives the laser beam and outputs a uniformly diffused beam. The photoelectric conversion component receives the uniformly diffused beam and outputs power to be processed. The power processing module is electrically connected to the photoelectric conversion component and receives the power to be processed and outputs usable power. The technical solution provided by this invention aims to reduce the total energy consumption of laser burn-in by converting the light energy during burn-in into reusable electrical energy, thereby reducing the total energy consumption and cost of burn-in.

The application discloses a kind of heterogeneous equipment's internet of things systems, and relates to the field of power system.Heterogeneous equipment's internet of things systems, comprising: at least one internet of things device, internet of things device includes the device model of the device information of the power device, the first adapter for receiving the call of power processing system to interface and the second adapter of the operation corresponding to interface to power device is executed;Each internet of things device is used to assist one type of power device access power processing system, realizes the compatibility and intercommunication of heterogeneous equipment in power system, greatly improves the integration efficiency and operation consistency of system.

The invention discloses a hybrid distribution transformer power electronic module capacity configuration method for load prediction. The method comprises the steps that the capacity of a series compensation module is calculated based on a target area load prediction value so as to represent the power processing capacity needed by voltage compensation; when the capacity of the parallel compensation module is determined, the capacity value of the series compensation module is multiplexed, so that a load fluctuation compensation task is cooperatively borne, and the capacity of the parallel compensation module is equal to the sum of the following two parts: a) the product of the capacity of the transformer in the transformer area and a fixed proportionality coefficient is used for representing a reactive power compensation demand proportion; b) the capacity value of the series compensation module; and selecting the series compensation module and the parallel compensation module of which the actual power processing capacity is not less than the calculation capacity.

A processing system includes a peripheral device configured to store security information and having a clock input to receive a gated clock; a watch clock generator configured to generate a watch clock having a reduced duty cycle relative to the system clock; and clock control circuitry configured to select the system clock as a gated clock during normal operation of the peripheral device and select the watch clock as a gated clock during a low power mode of the peripheral device. The watch clock generator may include a counter that counts system clock cycles and a clock pulse selector, such as a mode circuit, configured to select the cycles of the system clock to generate a watch clock. For multiple peripherals, the delay circuitry may skew a watch clock between two or more peripherals. A plurality of watch clocks having different delayed duty cycles may be generated, each for a corresponding group of a plurality of groups of peripherals.

The invention relates to a power control method, device, equipment, system and medium, and the method comprises the steps: obtaining a control instruction of electric equipment, and adjusting the power generation power of power generation equipment according to the power-off power change characteristics of the electric equipment when the obtained control instruction of the electric equipment is a power-off instruction, and detecting whether the grid-connected point has abnormal power fluctuation or not so as to perform reverse power processing according to the total active power of the grid-connected point in combination with the shutdown power change characteristics when the grid-connected point has abnormal power fluctuation, thereby quickly eliminating the reverse power of the grid-connected point, improving the stability of system operation, improving the control precision, and reducing the power consumption. The problems that in the prior art, due to the fact that instantaneous power fluctuation generated when the high-power load is shut down cannot be recognized, system operation stability is poor, and control precision is low are solved.

The application discloses a hybrid distribution transformer power electronic module capacity configuration method for load prediction, and the capacity of a series compensation module is calculated based on a target area load prediction value to represent power processing capacity required for voltage compensation; when the capacity of a parallel compensation module is determined, the capacity value of the series compensation module is reused to realize collaborative assumption of a load fluctuation compensation task, so that the capacity of the parallel compensation module is equal to the sum of the following two parts: a) the product of the capacity of a transformer in a transformer area and a fixed proportionality coefficient, to represent the proportion of reactive power compensation demand; and b) the capacity value of the series compensation module; and the series compensation module and the parallel compensation module with actual power processing capacity not less than the calculated capacity are selected.

The invention discloses a method for simulating a dynamic starting characteristic of a low-power Hall thruster, which comprises the following steps of: analyzing a transfer function form of each module, measuring input and output parameters of each module on a thruster entity, and obtaining a transfer function of each module through an MATLAB system identification tool box; rLC circuit structures corresponding to all the modules are designed respectively, transfer functions of the RLC circuit structures are made to be consistent with transfer functions obtained through system identification, parameters of all components of the RLC circuits are calculated, simulation is conducted through simulink, the parameters of the components are further adjusted and optimized, and simulation results are made to be basically consistent with dynamic starting characteristics and steady-state parameters of actually-measured parameters; and finally, the RLC circuits are connected according to the connection relation of all modules of the thruster. The simulated load device can be used for circuit simulation in the development stage of the PPCU and testing in the production stage and the system joint test stage, compared with a pure resistive load, the model can preposition the risk of poor dynamic matching between the PPCU and the thruster, performance optimization of the PPCU product is facilitated, and the iteration efficiency is improved.

An apparatus and a method for providing image stabilization (IS) using a low-power processor are provided. The method includes an IS control instruction group in a memory using a general-purpose processor when a camera operates, initialize based on the IS control instruction group, drive a polling timer included in the low-power processor so that IS may be performed at a preset interval based on the IS control instruction group, and correct a shake through the low-power processor based on the IS control instruction group.

A method for managing power resource in an augmented reality (AR) device is described. In one aspect, the method includes configuring a low-power mode to run on a low-power processor of the AR device using a first set of sensor data, and a high-power mode to run on a high-power processor of the AR device using a second set of sensor data, operating, using the low-power processor, a low-power application in the low-power mode based on the first set of sensor data, detecting a request to operate a high-power application at the AR device, in response to detecting the request, activating the second set of sensors of the AR device corresponding to the high-power mode, and operating, using the high-power processor, a high-power application in the high-power mode based on the second set of sensors.

Power processing and energy storage devices and methods are provided. A power conversion device may perform model reference power processing for a plurality of diverse power nodes. The power conversion apparatus includes interconnects coupling power node connection ports to power converters. The power converters include a dense hierarchy of power converters sized to correct for various power flow levels of a defined portion of a population of power nodes to an interim power flow according to a median value for that portion of power nodes. The median value is provided by a model of power node diversity. The power converter also includes a sparse hierarchy. The sparse hierarchy performs power processing to convert from the interim power flows generated by the dense hierarchy to a uniform model corrected target flow.

The embodiment of the invention provides an unmanned aerial vehicle target tracking method and system, and the method comprises the steps: obtaining the video stream data of an unmanned aerial vehicle; generating a computing power processing result according to the video stream data; displaying candidate objects based on the computing power processing result; in response to a selection operation for a target object in the candidate objects, generating a flight instruction set for the unmanned aerial vehicle according to the computing power processing result; and issuing the flight instruction set to the unmanned aerial vehicle, so that the unmanned aerial vehicle executes a target tracking operation according to the flight instruction set. According to the embodiment of the invention, the compatibility of equipment of multiple manufacturers is realized, the limitation of specific models is avoided, the algorithm integration process is simplified, the development friendliness and the flexibility of remote flight control are improved, finally, the operation cost is remarkably reduced, and the application efficiency in emergency response and inspection tasks is expanded.

A modular power processing system for renewable energy applications includes rack-supported power processing modules with power conversion circuitry for AC / DC and / or DC / DC conversion. Each module can include top and bottom connectors that self-align and engage to establish electrical communication, with optional locking mechanisms to prevent disconnection. Connector covers can be included to protect exposed connectors. The system can include an endpoint module for external electrical connections and supports both active and passive cooling elements. Electrical communication between modules can transmit power and data. Modules are designed for tool-less addition or removal, enabling rapid installation and expansion. The system can be used for outdoor use and is scalable, whereby multiple power processing system are connected to each other.

The time-varying voltage profile generation device may include a power structure to control flow among a plurality of power sources. A plurality of power supplies may be coupled to stages, each stage including one or more power supplies. A plurality of switches of the time-varying voltage curve generation device may selectively couple outputs from individual ones of the stages to generate a time-varying voltage curve. The operation of the plurality of switches may be controlled by a supply state (SOP) balancer circuit using corrections from the plurality of auxiliary power converters of the power converter fabric in accordance with an SOP model to balance loads among the plurality of power sources.

Various aspects of this disclosure relate to the transmission mode configuration of low-power synchronization signals. A device with a low-power processor and / or a user equipment (UE) with a primary radio and a low-power radio can receive first signaling comprising a portion of the low-power synchronization signal and a cell identifier (ID) of the serving cell. The first signaling can be transmitted using a transmission mode associated with an indexed modulation scheme (e.g., an on / off keying (OOK) waveform). The device can receive second signaling comprising an indication of the remainder of the cell ID. The device can use the cell ID to establish a radio connection with network equipment (NE), such as a base station.

The utility model discloses an MOS tube rectification module which comprises a heat dissipation aluminum plate, a plurality of installation grooves are arranged on the heat dissipation aluminum plate side by side, copper bars are embedded in the installation grooves, two groups of rectification modules are arranged on the heat dissipation aluminum plate side by side, and each rectification module comprises two rows of MOS tube groups arranged side by side and a connection terminal group arranged between the two rows of MOS tube groups. Each MOS tube group comprises a plurality of MOS tubes which are connected in parallel, and the connecting terminal group comprises a plurality of connecting terminal seats which are connected in parallel; a drain electrode of each MOS tube is fixedly connected with the copper bar, a source electrode of each MOS tube is fixedly connected with the connecting terminal seat, a grid electrode of each MOS tube is fixedly connected with the circuit board layer arranged on the heat dissipation aluminum plate, and two control board sockets arranged side by side are respectively arranged at two ends of the heat dissipation aluminum plate; according to the utility model, the production cost is low, the current capacity can be improved, the reliability can be improved, the current distribution can be improved, and the power processing capability can be enhanced.

The invention relates to a battery electric quantity processing method and device, electronic equipment, a storage medium and a computer program product. The method comprises the following steps: determining real-time residual capacity corresponding to a target battery; when it is determined that the target battery enters the constant-voltage charging stage, the real-time residual capacity is compensated, the target residual capacity larger than the real-time residual capacity is determined, and the target residual capacity is used for predicting the residual charging time after the target battery enters the constant-voltage charging stage. According to the embodiment of the invention, after the target battery enters the constant-voltage charging stage, the target residual capacity used for predicting the residual charging time can be determined by compensating the real-time residual capacity with the nonlinear change characteristic, so that the prediction process of the residual charging time is closer to linear operation processing; and a continuously increasing anti-common sense phenomenon occurs in the residual charging time, so that the use experience of the electronic equipment of a user is improved.

A planar magnetic-electrical power train suitable for large voltage step down and high current application is formed by a number of branches, wherein each branch is formed by a plurality of power processing cells wherein the high output current is extracted uniformly with minimum losses. The planar magnetic-electrical power train is inherently flexible to accommodate diverse form factors. The effective turns ratio is set by the number of turns or layers allocated to the primary and the cell count. The use of an optimized U core allows a simple implementation of fractional turns and the flexibility to tailor the power capability and the desired turns ratio. Output current is drawn in parallel from all cells, permitting distributed placement of output capacitors on each cell and thereby reducing conduction losses and current crowding.