100 results about "Power processing" patented technology

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.

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 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.

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.

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 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.

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.

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 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.

The application relates to the technical field of mobile power processing, and discloses a plasma arc welding machine for mobile power processing, which comprises a base, a supporting frame is symmetrically arranged on one side of the upper end of the base, a supporting frame is arranged on the upper end of the base through the symmetrically arranged supporting frames, a plasma gun head is arranged on the supporting frame through a welding adjusting mechanism, a working shaft is rotatably arranged on the upper end of the base, a workbench is fixedly arranged on the upper end of the working shaft, a plurality of guide rail seats are arranged on the upper end edge of the workbench, a welding cavity is slidably arranged in the guide rail seat, a mobile power metal shell to be welded is arranged in the welding cavity, a weld adjusting mechanism is arranged on the workbench, a driving mechanism for changing the horizontal rotating angle of the workbench is arranged on the base, and a stable rotating mechanism is further arranged on the base. The application can effectively and quickly adjust the initial welding position and the welding distance of different lengths, can ensure non-stop welding of a large number of mobile power metal shells in the same batch, and can safely and conveniently take and place the workpieces.

The invention relates to the technical field of cloud computing, in particular to a computing power access method and device, equipment, a medium and a product, and the method comprises the steps: obtaining historical data when a plurality of target users access computing power resources; the historical data comprises historical computing power demands of each target user for computing power resources and the total number of the multiple target users; determining the computing power processing state of the computing power center based on the historical data; the computing power processing state is used for indicating the computing power resource level required by the computing power center to meet the current computing power demand of the target user; and determining a target computing power access strategy matched with the computing power processing state, and determining an access mode of the computing power center according to the target computing power access strategy. Through the processing mode, the computing power resource can be matched with the current computing power demand of the target user, so that the most suitable access mode can be intelligently selected to meet the computing power demand of the target user, and the resource utilization rate of the computing power center is further improved.

The invention discloses an unmanned aerial vehicle parking system, and relates to the technical field of unmanned aerial vehicles, the unmanned aerial vehicle parking system comprises an unmanned aerial vehicle body, and a sensing module, a processing module and a transmission module which are arranged on the unmanned aerial vehicle body, the sensing module is a binocular vision acquisition module, the processing module is an embedded computing power processing module, and the transmission module is connected with the processing module. Parking area images are acquired through the binocular vision acquisition module, depth estimation, BEV visual angle conversion, semantic segmentation, quantitative parameter calculation and other processing are executed in combination with the embedded computing power processing module, microdefects and liquid pollutants on the surface of the parking area can be accurately and quantitatively evaluated, the safety state of the parking area is clearly judged, and the safety of the parking area is improved. Therefore, a comprehensive and accurate surface state basis is provided for parking of the unmanned aerial vehicle, potential safety hazards such as sideslip and clamping stagnation caused by an unknown surface state are effectively avoided, the stability and safety of the unmanned aerial vehicle in the parking process are guaranteed, and the actual application requirement for high-precision safe parking of the unmanned aerial vehicle is met.

The application discloses an electronic tripping device and method suitable for a three-phase alternating current circuit breaker, which comprises a power taking transformer, a sampling sensor, a power processing circuit, a sampling processing circuit, a control circuit and a tripping circuit, and the method comprises setting a rated current level I r , a long time delay protection level Class , a short time delay tripping current I sd , collecting data and transmitting the data to the control circuit to calculate the effective value of the three-phase current; determining whether a phase current is greater than a limited current value and whether the three-phase is balanced; if yes, tripping; determining whether the current is greater than I sd , starting a timer, and determining whether the current is greater than I sd ‑I r、 total heat resistance Q 0 , and controlling the tripping of the circuit breaker. The application realizes the isolation of a main circuit and a tripping controller; the three sampling modules of the application have an "or" logical relationship, and the reliability of the tripping mechanism is high; the application adopts a critical heat resistance principle to realize a inverse time limit protection algorithm, and realizes the real-time protection and high reliability requirements.

The invention belongs to the technical field of DC / DC converters in the power electronic technology, and discloses a single-stage buck-boost DC / DC converter and a hybrid modulation method. The on-off of the first switch Q1 and the second switch Q2 is controlled through the switch control circuit, so that the converter can be switched between a partial power processing (PSM) mode and a full power processing (Buck-Boost) mode. When the input and output voltage ratio is far away from 1, the system works in a PSM mode, and efficient partial power processing is achieved; when the input and output voltage ratio is close to 1, the system is automatically switched to a Buck-Boost mode, and a Buck-Boost topology is formed by multiplexing part of switching tubes, so that phase shift saturation and transformer magnetic saturation are avoided, and stable work of the system is ensured. According to the invention, single-stage wide-range buck-boost output is realized, and the technical problem that the existing partial power converter cannot work normally at an extreme transformation ratio is effectively solved.

Processor-based systems employing configurable local frequency throttling management to manage power demand and consumption, and related methods. For example, such processor-based systems may include a processor and other power circuitry to control power to the processor. The processor includes a clock control circuit that is configured generate a clock signal(s) at a designated frequency to clock a processor core(s) in the processor at a desired operating frequency(ies). The clock control circuit is configured to dynamically throttle (i.e., limit and / or reduce) the frequency(ies) of a clock signal(s) clocking the processor in response to a frequency throttle event that may be an unexpected event. Reducing power demand may be important to ensure that the processor can continue to operate under interrupted or reduced power supply conditions. It may be faster to throttle the operating frequency of a processor than to throttle the operating voltage of power supplied to the processor.

A method for a low-power hand-tracking system is described. In one aspect, a method includes polling a proximity sensor of a wearable device to detect a proximity event, the wearable device includes a low-power processor and a high-power processor, in response to detecting the proximity event, operating a low-power hand-tracking application on the low-power processor based on proximity data from the proximity sensor, and ending an operation of the low-power hand-tracking application in response to at least one of: detecting and recognizing a gesture based on the proximity data, detecting without recognizing the gesture based on the proximity data, or detecting a lack of activity from the proximity sensor within a timeout period based on the proximity data.

The invention provides a quantitative characterization method for longitudinal heterogeneity of a sandstone reservoir. The quantitative characterization method comprises the following steps: step 1, carrying out fine layering and layer series division on a layered sandstone reservoir; 2, measuring the infiltration capacity and the thickness value of each small layer of the divided layer series; step 3, representing seepage resistance of each layer during piston type displacement; 4, after the seepage capacity of each reservoir is subjected to exponentiation processing, data of each small layer is processed according to a traditional Lorentz method; step 5, taking the ratio of the area enclosed by the contribution value curve of the seepage capacity data of each layer of treated rock sample and the complete homogeneous curve to the area enclosed by the complete homogeneous curve and the complete heterogeneous curve as a modified Lorentz curve; and 6, defining a dimensionless recovery ratio formula, and carrying out reservoir interlayer heterogeneity evaluation. According to the quantitative characterization method for the longitudinal heterogeneity of the sandstone reservoir, the applicability of a reservoir heterogeneity evaluation method to the field of oil-gas field development is improved to a great extent, and efficient development of related oil fields can be guided.

The application relates to the technical field of power quality monitoring, in particular to a power quality measurement system based on a RISC-V architecture, which comprises a RISC-V processor soft core, a bus module, a signal acquisition module, a DSP computing power processing module and a result output module; the signal acquisition module, the DSP computing power processing module and the result output module are sequentially connected in communication to form a data flow channel, the data flow channel is used for collecting and processing original power signals to output power quality measurement results; the RISC-V processor soft core establishes control channels with the signal acquisition module, the DSP computing power processing module and the result output module through the bus module; the DSP computing power processing module is configured with a special interaction unit, the RISC-V processor soft core directly accesses the DSP computing power processing module through the special interaction unit and stores power quality measurement results. The application realizes reasonable separation and deep cooperation of control flow and data flow in the system, and improves the overall response speed, measurement accuracy and resource utilization efficiency of the system.

The invention provides an InGaP / GaAs heterojunction structure and a preparation method thereof. The InGaP / GaAs heterojunction structure comprises a GaAs substrate; the n-type doped GaAs collector region, the p-type doped GaAs base region and the n-type doped InGaP emitter region are sequentially stacked on the GaAs substrate; the emitter contact electrode is positioned on the n-type doped InGaP emitter region and comprises a plurality of emitter fingers which are arranged in parallel at intervals; the base contact electrode is arranged on the p-type doped GaAs base region; a collector contact electrode disposed under the collector region; the passivation layer covers the side walls of the n-type doped InGaP emitter region and the p-type doped GaAs base region and partial surfaces of the base contact electrode and the collector contact electrode; wherein the finger spacing and / or finger length of the plurality of emitter fingers are non-uniformly distributed along the direction parallel to the base contact electrode. The inherent reliability, the current gain and the process repeatability of the device are improved, the internal heat distribution of the device is optimized, and the heat-resistant crashing capability and the heat stability of power treatment are improved.

The application relates to the technical field of power electronic circuits, and discloses a high-frequency converter and a control method. The high-frequency converter comprises a DC-DC partial power processing circuit, a slope voltage circuit and a bias voltage circuit, the DC-DC partial power processing circuit, the slope voltage circuit and the bias voltage circuit are cascaded in sequence; wherein: the DC-DC partial power processing circuit is used for adjusting inputted partial power; the slope voltage circuit and the bias voltage circuit constitute a waveform synthesis circuit, which is used for synthesizing bias voltage and slope voltage waveforms to perform high-frequency conversion. The control method corresponds to the high-frequency converter. According to the application, the circuit can be effectively simplified, the number of power supplies and switching devices can be reduced, and the voltage stress of the switching devices can be reduced through the multiplexing mode of multiple switching devices.

A power conversion circuit is described herein. In accordance with one embodiment, the circuit includes a first converter stage configured to provide a DC bus voltage and a second converter stage configured to receive the DC bus voltage and to generate an output voltage therefrom. The second converter stage includes at least a main branch and a partial power branch, wherein the main branch is configured to provide, at its output, a first voltage from the DC bus voltage based on a fixed conversion ratio and the partial power branch is configured to provide, at its output, an adjustable second voltage from the DC bus voltage. The outputs of the main branch and the partial power branch are connected in series to provide the output voltage. The circuit further includes a controller configured to control, in order to set the output voltage, the first converter stage to adjust the DC bus voltage and to control the partial power branch to adjust the second voltage.