236 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.

The invention provides a motor over-temperature protection method and device, a medium and a program product, and relates to the technical field of motor control, and the method comprises the steps: obtaining the current temperature and temperature rise slope of a target motor; when the temperature rise slope does not exceed a preset normal temperature rise slope, performing power reduction processing on the target motor based on a preset motor power reduction coefficient, a power reduction temperature threshold and a twist clearing temperature threshold; and when the temperature rise slope exceeds the normal temperature rise slope, the motor power reduction coefficient, the power reduction temperature threshold and the twist clearing temperature threshold are adjusted based on the current temperature and the temperature rise slope, and power reduction processing is performed on the target motor based on the adjusted motor power reduction coefficient, the adjusted power reduction temperature threshold and the adjusted twist clearing temperature threshold. According to the method, over-temperature protection during abnormal temperature rise of the motor can be realized, shutdown caused by the fact that the temperature of the motor exceeds an allowable limit is prevented, the adaptability and stability of a motor system are enhanced, and a good over-temperature protection effect is achieved.

The invention relates to the technical field of all-solid-state laser, and provides a thermal stress self-matching laser device and a regulation and control method thereof. The resonant cavity oscillates the pumping laser, and an input lens and an output lens are oppositely arranged in the resonant cavity; the gain medium is arranged between the input lens and the output lens; the stress self-adaptive heat sink is used for dissipating heat and can monitor and adjust a real-time stress value borne by the gain medium; the power meter is arranged at the downstream of the output lens along the light path and is used for measuring the power of the output laser; a stress threshold value is preset in the processor; and the processor is used for controlling the stress adaptive heat sink to adjust the real-time stress value based on the power and the stress threshold value, so that the power meets a preset requirement. According to the invention, the stress of the gain medium in the operation process of the laser is monitored, regulated and controlled, and the stress matching of the gain medium is realized, so that the thermally induced stress damage risk of the gain medium is reduced.

The invention provides a power transmission and distribution-gas integrated energy system fault evolution analysis method under an extreme typhoon disaster, and the method comprises the steps: calculating the time-varying fault probability of a power transmission and distribution network element based on a mechanical stress model of a typhoon wind-rain load, and generating an initial cut-off set through Monte Carlo sampling; through transmission-distribution network coupled affine load flow calculation, a serious overload line caused by load flow transfer is identified, and protection removal is executed; a dynamic affine model is adopted to analyze a power transmission and distribution-gas load shedding strategy, a natural gas pipe storage equation and electricity-gas coupling equipment operation constraint are combined, the influence of power line on pressure fluctuation and pipe storage change of a natural gas system is quantified, and overload power of a general overload line is balanced; processing a bilinear term, and converting non-convex constraint by adopting rotation second-order cone relaxation; and in combination with coupling operation constraints of an electrically-driven compressor, a gas turbine and power-to-gas equipment, a natural gas system fault propagation risk caused by power line breaking and power transmission and distribution-gas load shedding is quantified.

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.

A wireless power transmission device is provided. The wireless power transmission device includes a plurality of power transmission antennas, a plurality of sensing antennas, a power processing circuit memory storing one or more computer programs, and one or more processors communicatively coupled to the plurality of power transmission antennas, the plurality of sensing antennas, the power processing circuit, and the memory, wherein the one or more computer programs include computer-executable instructions that, when executed by the one or more processors individually or collectively, cause the wireless power transmission device to control the power processing circuit to transmit power to a first electronic device disposed in a first region among a plurality of regions through the plurality of power transmission antennas, transmit at least one first signal through the power processing unit using a first sensing antenna among the plurality of sensing antennas, receive at least one second signal through the power processing circuit, using a second sensing antenna among the plurality of sensing antennas, identify, whether an object exists in the first region among the plurality of regions based on the at least one first signal and the at least one second signal, identify a first stay duration during which the object stays in the first region, based on identifying that the object exists in the first region, identify a first cumulative RF radiation value of the wireless power transmission device for the first region during the first stay duration, and based on the first cumulative RF radiation value being equal to or greater than a first threshold for the first region, control the power processing circuit to adjust transmission output of the power to the first electronic device in the first region or to direct the power toward the first electronic device in the first region to a second electronic device in a second region different from the first region.

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 invention provides a power processing circuit and a power amplifier system, the power processing circuit comprises a first differential signal port, N second differential signal ports and a power processing unit connected between the first differential signal port and the N second differential signal ports, the power processing unit comprises N pairs of first differential coupling lines, and N is greater than or equal to 2; the positive coupling lines of the N pairs of first differential coupling lines are connected with the positive port of the first differential signal port, and the negative coupling lines of the N pairs of first differential coupling lines are connected with the negative port of the first differential signal port. According to the scheme, the positive coupling lines and the negative coupling lines of the different pairs of first differential coupling lines are connected in parallel, so that the whole circuit structure is simpler, the balance degree is better, the size and insertion loss of the power processing circuit are reduced, and when the circuit structure is applied to an amplifier system, the power processing circuit is more stable. The multi-way amplifier may be powered from a parallel connection point.

The invention comprises a method and apparatus for processing power, comprising the steps of: generating / using 3-phase power; feeding an AC drive with the 3-phase power, the AC drive generating a first output; and transforming the first output with a zigzag transformer, the zigzag transformer linked to at least one load output / load connector. The method and apparatus comprises an optional filter for filtering the 3-phase power prior to the step of transforming, the filter including a distributed gap core material.

The invention discloses a TDLAS (tunable diode laser absorption spectroscopy) technology-based low-false-alarm combustible gas monitoring system, which is characterized in that an underground well chamber monitoring terminal is used for detecting whether the methane gas concentration exceeds the standard or not and detecting whether the well lid state is changed or not, and sending concentration information, well lid state information, water immersion information and positioning information to a gas monitoring platform; and the fuel gas monitoring platform analyzes whether the underground well chamber has a leakage risk or not according to the uploaded data information. According to the invention, a worker does not need to frequently open a well lid for inspection, the fingerprint characteristic of gas identification is realized according to the unique absorption spectrum of gas molecules detected by the TDLAS technology in a specific infrared band, and the ultra-long service life of equipment is ensured through low-power-consumption processing of software and hardware; by adopting a monitoring-communication-positioning three-dimensional monitoring system and an underground well chamber combustible gas monitoring system, through high-precision sensing, intelligent networking and cloud management, the comprehensive safety control of an underground well environment is realized, the industrial pain point of low online rate is solved, the response speed is optimized, and the potential safety hazard is reduced.

The invention provides a partial power processing type ultra-high voltage conversion ratio switched capacitor converter topological structure and a control method thereof, and the structure comprises a high-voltage side port which is connected with a high-voltage power supply or a load; the high-voltage side filter is used for filtering high-voltage side power input or load output; the magnetic element unit comprises a two-winding and multi-winding transformer, an autotransformer, a center tapped transformer and a coupling inductor; the switched capacitor unit comprises at least two switches and one or more capacitors, and the number of the capacitors is n; the system further comprises a high-frequency rectification inverter and a low-voltage side filter, and the low-voltage side filter is used for filtering low-voltage side power input or load output. According to the technical scheme, the switched capacitor unit and the magnetic element unit are flexibly configured, and electric energy conversion with various high voltage conversion ratios can be realized only by using open-loop control.

An energy transfer system includes a conversion device configured for partial power processing and configured to regulate current from a first battery system, and a controller configured to control the conversion device to adjust a first voltage of the first battery system to conform the first voltage to a second voltage of a second battery system, the second battery system connected in parallel with the first battery system by a bus. The conversion device is configured to receive power from the first battery system, cause a selected portion of the power to flow through a conversion stage to adjust the first voltage, the selected portion corresponding to a difference between the first voltage and the second voltage, cause a remaining portion of the power to flow directly to the bus and bypass the conversion stage, and output a current from the conversion device at the second voltage.

Processes, systems, and apparatus are provided for producing a compressed process gas comprising light olefin such as ethylene. The process utilizes a pyrolysis reactor to produce the process gas. A power generator utilizes a turbine operated based on an Allam cycle to produce shaft power for operating one or more compressors involved in processing of the process gas while producing a reduced or minimized amount of CO2 that is released as a low-pressure gas phase product. Examples of using the shaft power for processing of the process gas can include compressing the process gas a process gas compressor powered by the produced shaft power and cooling the process gas using a refrigeration compressor powered by the produced shaft power.

The invention relates to a control device for a driver assistance system, wherein the control device comprises a sensor interface via which the control device can be connected to at least one sensor module to receive data from the at least one sensor module, a power processor which is adapted to detect objects and to provide object data based on the data from the at least one sensor module, and a system interface via which the control device can be connected to a higher-level control device of the driver assistance system for forwarding object data provided by the power processor.

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 present invention discloses an intelligent power supply management and control system, which relates to the field of power supply management technology and includes a power supply processing module for accessing and transmitting AC power and performing voltage reduction, rectification and filtering, inversion and voltage transformation processing; a current sampling module for current sampling control, signal conversion and amplification and filtering; a voltage comparison module for setting an overvoltage threshold and voltage comparison and performing shunting degree detection; a power processing module for converting and amplifying and filtering the sampled signal after shunting, and performing rectification and storage; an intelligent control module for signal reception and module control; an electric energy regulation module for voltage regulation; an output processing module for output filtering and electric energy superposition processing and power supply to the output module. The intelligent power supply management and control system of the present invention can provide voltage stabilization, and when the sampled signal is greater than the set threshold, shunting power and electric energy processing are performed, which can improve the safety of the system and can also perform energy-saving power supply control.

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 present invention relates to the technical field of charging piles, and particularly to an overload protection device and an overload protection method for a charging pile. The following technical solutions are adopted: It includes a main controller, an input power processing circuit, a plurality of sub-controllers, and a plurality of charging output circuits; the input power processing circuit is connected to the plurality of charging output circuits, and the main controller is connected to the input power processing circuit and the plurality of sub-controllers; a power detection module and a power distribution limiting module are provided in the main controller. The power detection module obtains the charging power of each charging output circuit, and the power distribution limiting module distributes and limits the charging power of each charging output circuit. The advantages are as follows: By using the main controller to detect the charging status of multiple charging output circuits, when the total output power exceeds the rated power, it is distributed according to the charging status of each charging output circuit, and the maximum charging efficiency of each charging output circuit can be achieved on the premise of overload protection.

The present invention aims to solve the high latency problem in 5G ultra-dense networks caused by users with insufficient computing power processing low-latency, high-reliability applications, and implements a joint optimization strategy for offloading strategy and resource allocation under the condition of limited computing resources and channel resources. First, a system model of MEC and local computing in a 5G ultra-dense network scenario is constructed, and a mixed integer nonlinear optimization problem that minimizes task completion time is constructed. Then, a joint optimization strategy for task offloading decision and resource allocation is proposed for the optimization problem. This strategy first uses variable substitution to simplify the problem, and then solves it by decomposing the sub-problems. The original problem is decomposed into two sub-problems: computing resource allocation and channel resource allocation. The Lagrange multiplier method is first used to obtain the optimal solution for computing resources, and then a channel resource allocation algorithm based on the idea of differential evolution is used to perform channel resource allocation under the condition of determining the optimal solution for each computing resource allocation.

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.

A computer system with multiple security levels, the system comprising a high-power processing device (130), a low-power processing device (110), and an interface unit (120) comprising functions for moving classified information between the high-power device (130) and the low-power device (110) according to formal rules for confidentiality and / or integrity. Additional security aspects, e.g. availability, may readily be accommodated. A method for implementing multiple levels of security along a number of independent security axes on the system is also disclosed.

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.