2409 results about "Power management" patented technology

The invention belongs to the technical field of power supply management, and particularly relates to a high-precision DCDC power supply voltage stabilization calibration system and method, which comprises a DCDC power conversion module, a traditional feedback control module, a high-frequency ripple sampling and digitization module, a dynamic load prediction module, a feedforward compensation generation module and a calibration management module, through high-frequency ripple sampling and digital output of ripple signals, real-time spectrum analysis is carried out to predict load transient changes, prospective compensation signals are generated, and traditional feedback control is combined to finely adjust PWM signals of the DCDC module. According to the scheme, feedback lag is overcome, transient overshoot / undershoot of voltage is remarkably restrained, the dynamic voltage stabilization error is controlled within + / -0.3%, and high-precision voltage stabilization under both static and dynamic working conditions is achieved.

The invention relates to the technical field of computer hardware and network communication, in particular to a high-speed I / O (input / output) virtualization server based on an FPGA (field programmable gate array) and a remote forwarding method.The high-speed I / O virtualization server comprises an FPGA chip, a network processing unit, an I / O protocol processing unit, a protocol conversion and scheduling unit, a time sequence and transaction management unit and a data buffering and flow control unit are integrated in the FPGA chip; the optical fiber Ethernet interface module comprises a physical layer interface and an MAC layer processing and network configuration interface; the local I / O interface module comprises a USB interface circuit, a serial port interface circuit, a PCIe interface circuit and an interface expansion connector; the power supply and monitoring module comprises a multi-path power supply management system, a state monitoring and diagnosis system and an LED indication system; according to the self-adaptive Baud rate detection circuit, the Baud rate can be accurately locked under the condition that data with less than two characters is received, the number of data bits, the type of a check bit and the length of a stop bit are automatically identified, and compared with a traditional microcontroller scheme, the self-adaptive Baud rate detection circuit has higher precision and higher detection speed.

The invention relates to the technical field of power management, in particular to a multi-source data fusion photovoltaic power scheduling control system, which comprises a sensing extraction module, a disturbance identification module, an offset trend analysis module, a path switching module and a frequency band suppression module. According to the method, a disturbance pre-judgment interval is identified by constructing a time derivative sequence and combining illumination and wind speed trend change in a continuous period, a disturbance time period is accurately discriminated, the disturbance interval is confirmed and disturbance characteristics are extracted through conjoint analysis of photovoltaic and energy storage current change trend and grid-connected point fluctuation amplitude, and the disturbance accuracy is improved. An offset trend curve is formed by calculating photovoltaic and energy storage current change differences, the energy supply offset degree is judged in real time to trigger scheduling conditions, dynamic suppression adjustment is performed on regulation and control signal parameters according to spectrum energy distribution, the accuracy and timeliness of disturbance recognition, energy supply offset judgment and frequency band regulation and control are improved from multiple levels, and the energy storage and energy supply efficiency is improved. And more stable and efficient optical storage combined scheduling control is realized.

The invention provides a truck-unmanned aerial vehicle cooperative dynamic scheduling method and system in emergency logistics, and relates to the technical field of unmanned aerial vehicle intelligent scheduling. Constructing a truck-unmanned aerial vehicle cooperative distribution network, wherein each truck is equipped with a cooperative unit comprising a large unmanned aerial vehicle and a small unmanned aerial vehicle; the network comprises warehouses, hub points and demand points; establishing a mixed integer programming model by taking minimization of the total operation cost as a target and taking electric quantity management, service distribution, a time window and collaborative feasibility as constraints; and solving the model by adopting a randomized greedy algorithm, and synchronously deciding a truck path and an unmanned aerial vehicle task in single iteration to obtain a truck path scheme, an unmanned aerial vehicle service distribution scheme and a dynamic electric quantity scheduling scheme. Therefore, the cost optimization and dynamic coordination of emergency logistics scheduling are realized, and the efficiency and feasibility of emergency distribution are effectively improved.

The invention discloses a dormancy and awakening system and method of an enterprise-level solid state disk, and belongs to the technical field of power consumption management of the enterprise-level solid state disk. According to the system, a nonvolatile cache unit, an independent hardware state machine and an ultra-low power consumption wake-up detection circuit are integrated in a main controller. When entering the dormancy state, key data such as an FTL mapping table are stored in a nonvolatile cache, then the power management module cuts off power supply to the NAND flash memory and the main control core, and only the operation of the minimum circuit is maintained, so that the dormancy power consumption is reduced to be below 100mW; and during wakeup, the detection circuit identifies a physical layer signal to trigger rapid power-on, and the hardware state machine directly recovers the system state from the cache and bypasses the software initialization process, so that wakeup is completed and the NAND access capability is reconstructed within 1ms, and the industrial problem that ultra-low power consumption and rapid wakeup cannot be considered at the same time is effectively solved.

According to the heterogeneous multi-core chip power consumption state control system and the heterogeneous multi-core chip provided by the invention, the power consumption state request of each sub power supply domain is received through the set system hardware power consumption management module, and the driving signal is sent to the corresponding sub power supply domain according to the preset hardware time sequence, so that the corresponding sub power supply domain enters the target state; generating a PMU control signal; and the power management module drives an internal voltage regulator to execute corresponding regulation operation according to the PMU control signal. A special control processor (SCP) is not needed, the system hardware power consumption management module realized by pure hardware is adopted to directly control the power consumption state of each sub power supply domain in the heterogeneous multi-core SoC, the software processing delay is eliminated, the response speed is high, the static power consumption of the power consumption management module is remarkably reduced, and the system is particularly suitable for an ultra-low power consumption scene and has a wide application prospect. And hardware-level surge current protection is realized in a multi-core power-on process.

The invention belongs to the technical field of crossing of artificial intelligence and computer system architecture, particularly relates to a computing power center equipment power supply intelligent system of a knowledge graph, and aims to solve the problem of low energy efficiency caused by extensive power supply management, unbalanced energy consumption and lagged load response. The system comprises a task analysis module, a dynamic load prediction module, a multi-source power supply scheduling module, an equipment-level power supply control module and a feedback optimization module, through load prediction and multi-source power supply cooperative scheduling driven by task semantics, voltage and current dynamic adjustment and sleep wake-up control are achieved, and a strategy is optimized online based on operation feedback. The scheme improves energy efficiency, equipment life and system stability.

The invention provides a demand side response power consumption management method based on a power gap architecture, and relates to the technical field of information, the power gap architecture especially relates to a distributed intelligent communication framework oriented to a novel power system, and multi-source power consumption and environment data are collected through power gap edge computing nodes of a transformer substation; through cleaning, feature extraction and clustering, classification results of three types of power consumption subjects of industry, business and residents are obtained, and the nodes carry computers and auxiliary equipment repair adaptation modules to guarantee operation; a classification result is encrypted and transmitted to a trusted execution environment, a power consumption behavior model is constructed by fusing multiple factors, a dynamic electricity price strategy and a response rule are generated and pushed to a terminal, and a regional response strategy is optimized by combining a computer and an auxiliary equipment repair intelligent operation and maintenance mechanism; a final management instruction is generated through load balancing judgment, optimized data are obtained after execution, and the model and the strategy are dynamically updated. Accurate regulation and control of power utilization are realized, the power grid load is balanced, and the power utilization efficiency is improved.

The invention discloses a multi-modal stimulation regulation and control system combining interactive feedback and AI self-adaption. The system comprises an AI main control and synchronization module which generates a unified rhythm time sequence; the acoustic stimulation output module outputs a rhythm acoustic signal; the visual LED stimulation module outputs rhythm visual signals; the game / animation interaction module provides an interaction task synchronized with the acousto-optic rhythm; the sensing acquisition and feedback module is used for acquiring multi-modal physiological and behavior data in real time; the amplifier output module drives the execution module or equipment; the power management module realizes voltage stabilization and low power consumption switching; the behavior habit forming mechanism module binds a stimulation signal and an interaction task; and the human-assisted management interface module supports remote parameter setting and real-time monitoring. The interactive feedback and AI self-adaptive multi-mode stimulation regulation and control system is combined, microsecond-level synchronization and multi-source closed-loop self-adaption of sound and light and animation can be achieved, a guidance scheme for personalized customization of treatment and behavioral habit cultivation can be achieved, and the efficiency, accuracy and effectiveness of system regulation and control are remarkably improved.

The invention discloses a spaceborne high-performance calculation module and system based on a SpaceVPX standard and a control method. The calculation module comprises a board card following the SpaceVPX standard, and a core processor module, a storage module, a communication interface module, a monitoring module, a power management module and a VPX connector which are integrated on the board card. The core processor module adopts an anti-radiation reinforced high-performance processor; the storage module comprises a DDR4, a NORFLASH and an SSD (Solid State Disk); the communication interface module comprises an Ethernet, an SRIO high-speed interface and a debugging interface; the monitoring module collects state information through an I2C bus; the power management module provides stable power supply; the VPX connector leads out an SRIO bus, an ETH bus and an I2C bus, and star interconnection with other units on a satellite is achieved. Through standardized and modular design, the problems that an existing satellite-borne computing architecture is fixed, poor in expansibility and insufficient in reliability are solved, and high-performance, high-reliability and flexibly-combined satellite-borne data processing capacity is achieved.

The invention relates to the technical field of earthquake and acoustic exploration, and discloses a signal acquisition and transmission method, device, equipment and medium based on a main control unit, and the method comprises the steps: generating a sampling clock signal and a time counting signal, driving an analog-to-digital conversion unit to obtain a digital acquisition signal, and reading equipment state parameters; after the timestamp is added, the digital signal is stored in the first cache unit, the state data after the timestamp is added is stored in the second cache unit, the data signal cache unit is written into a first FLASH partition after being full, and the state data cache unit is written into a second FLASH partition after being full. And after data is read from the FLASH, differential signals are output through the multi-wire parallel interface, the logic processing unit and the serialization unit. According to the invention, power consumption is reduced through unified power management and optimization of clock control and a dormancy mechanism, and transmission bandwidth is improved in combination with high-speed differential output, so that both low power consumption and high efficiency are realized.

The invention discloses a branch prediction unit power consumption management method and device, and the method comprises the steps: setting a multi-stage branch predictor and a low-power-consumption control logic coupled with the multi-stage branch predictor in a processor core micro-architecture, and enabling the multi-stage branch predictor to comprise three stages of predictors which are sequentially accessed in an assembly line, the hardware resource consumption and the prediction accuracy of each predictor are gradually increased from front to back; monitoring the prediction condition of each predictor in real time through low-power-consumption control logic, and closing all predictors behind the first predictor meeting the prediction requirement within a first preset time according to a front-to-back sequence; branch jump addresses are divided into high-order address fields and low-order address fields by BTBs in the multiple levels of predictors except the first-level predictor to be stored in different storage blocks, and label registers used for taking the high-order addresses as label indexes are arranged. The power consumption unit of each predictor can be finely controlled, the energy consumption is greatly reduced, system-level cooperation is not needed, and the universality is high.

The application discloses a high-reliability high-power three-dimensional heterogeneous integrated radio frequency antenna integrated microsystem, comprising a DPC substrate, a copper-based three-dimensional structure, a two-stage SiC adapter plate, a bare chip, a radio frequency circuit, a passive device and an antenna interface; wherein the DPC substrate is used for realizing integrated three-dimensional heterogeneous integration of the microsystem; the copper-based three-dimensional structure comprises a three-dimensional coaxial transmission structure and a three-dimensional packaging frame structure, and is used for realizing vertical transmission of high-power radio frequency signals and air-tight packaging of the microsystem; the two-stage SiC adapter plate is used for realizing a 2.5D*2 five-layer ultra-high-density mixed three-dimensional stacking architecture; the bare chip comprises a silicon-based Fan-out multifunctional bare chip, a power management bare chip, a power amplifier bare chip and a receiving bare chip; the radio frequency circuit comprises a radio frequency transmitting circuit and a radio frequency receiving circuit. The application forms a complete integrated air-tight packaging microsystem, and simultaneously realizes high reliability, high-density integration and high-power heat dissipation.

The invention relates to the technical field of communication, in particular to a three-network convergence communication terminal system based on core size level heterogeneous integration and an implementation method, and the system comprises a radio frequency transceiving core particle, a baseband processing core particle, a storage core particle, a control scheduling core particle and a power management core particle. According to the invention, systematic linkage optimization of cross-domain parameters is realized through a core size level heterogeneous integration and state space cooperation mechanism, and real-time channel state information directly drives a scheduling algorithm to solve in a global state space. According to the method, the problems of low energy efficiency utilization rate, lagged resource scheduling response, low power consumption and the like of a terminal in a multi-network concurrency and switching scene due to the fact that a multi-network communication module is discrete and a cross-hardware-level dynamic coordination mechanism is lacked are effectively solved, and the service life of the terminal in a multi-network concurrency and switching scene is prolonged. And therefore, the problems of limited terminal volume, high power consumption and poor service continuity can be solved.

The invention discloses an optical remote sensing ground feature relationship semantic understanding system and method in a localized environment, and the system constructs a remote sensing scene relationship analysis module, a multi-modal scene knowledge base module, a remote sensing scene graph construction module, a remote sensing scene representation module and a multi-modal sample pair construction module. Carrying out programmed modeling on the ground feature relationship by utilizing a code big language model adaptive to a domestic platform, and generating a scene graph triple; through a double-branch double-time phase comparison learning network, time sequence vision and structure knowledge are fused, and cross-modal joint representation learning is realized. According to the method, the problems of incomplete surface feature relationship expression, inaccurate modeling and lack of real-time semantics in the prior art are solved, deep optimization is carried out in the aspects of data annotation, heterogeneous computing power management and the like aiming at the localized environment, and the accuracy and integrity of semantic understanding of the surface feature relationship and the operation efficiency of the semantic understanding on a domestic software and hardware platform are remarkably improved.

The invention provides a test platform for a power management chip. The test platform comprises an upper computer, a control panel, a load daughter board and an instrument, the control board is configured to receive a test instruction sent by the upper computer, configure the instrument based on the test instruction, send a test signal to the load daughter board, receive a response signal sent by the load daughter board, obtain a test result based on the response signal and send the test result to the upper computer; the load daughter board is configured to bear the tested power management chip, receive the test signal sent by the control board, match the test signal to the tested power management chip, obtain a response signal output by the tested power management chip and send the response signal to the control board; wherein the load daughter board is provided with a load circuit and is configured to provide a peripheral circuit for the tested power management chip, and the control board is further configured to switch the type of the load circuit. Wherein different types of power management chips can be verified by switching the types of the load circuits on the load daughter board.

The invention discloses a multi-protocol compatible hydropower station field bus photoelectric signal synchronous acquisition device and method, and relates to the technical field of industrial bus testing, the device comprises a core control layer, a signal conditioning layer, a photoelectric interface layer, a clock synchronization layer, a power management layer and a data storage and transmission layer; the core control layer adopts a dual-core framework of a domestic Loongson 2K0300 main control unit and a domestic FPGA (Field Programmable Gate Array) time sequence control unit; the clock synchronization layer adopts a two-stage synchronization mechanism of'local crystal oscillator time sequence control + NTP network clock calibration '; and the signal conditioning layer is integrated with a multi-protocol self-adaptive conditioning module and an industrial-grade anti-interference module. The method comprises the steps of clock initialization and calibration, parameter configuration, photoelectric signal parallel acquisition and time sequence synchronization, and data preprocessing and transmission, so that synchronous acquisition of six types of bus protocol photoelectric signals is realized. The system has the advantages of multi-protocol compatibility, autonomous controllability, good portability and the like, and provides reliable data support for bus communication quality evaluation and fault diagnosis.

The invention relates to the technical field of intelligent power grids, in particular to a new energy power station wind-solar power prediction system based on artificial intelligence, which comprises a resource fluctuation analysis module, a power trend deduction module, a hidden danger evolution analysis module, a prediction period adjustment module and a hidden danger traceability analysis module. According to the method, by extracting the dynamic characteristics of wind energy and solar energy resources and analyzing the multi-dimensional influence of the dynamic characteristics on the power generation efficiency, power fluctuation key nodes can be identified, a multi-level prediction mechanism is established, evolution paths of abnormal events are classified in combination with the frequency and distribution of the abnormal events, the time sequence characteristics of high-frequency anomalies are clear, and the prediction period can be dynamically revised according to risks; tracing identification is realized by equipment response differences and disturbance rules, hidden danger paths are reconstructed, adaptability and prediction precision of power fluctuation are improved, misjudgment and omission caused by environmental disturbance and equipment abnormity are avoided, stability and risk identification capability under complex conditions are enhanced, and refinement and safety improvement of power management are promoted.

The present application relates to power management technical field, especially to a kind of transient response optimization method based on linear voltage regulator, method includes: obtaining the transient response data of linear voltage regulator when load mutation, judge whether into transient early warning state.If into early warning state, high-frequency noise threshold segmentation is carried out to output voltage waveform, extract voltage rate of change characteristic, construct compensation efficiency model based on dynamic response time and effective compensation bandwidth, calculate optimal open-loop compensation coefficient, and generate compensation control instruction, drive compensation network to carry out dynamic compensation.If not into early warning state, the ripple uniformity data of output voltage is obtained, determine the deviation matrix of actual ripple distribution surface and ideal ripple distribution plane, judge whether there is local ripple abnormal area.The method improves the transient response speed and stability of linear voltage regulator by dynamic monitoring and intelligent compensation, optimizes high-frequency noise processing and ripple uniformity.

Cross link signaling in a WiFi protocol which supports cross link power management, having Automatic Power Save Delivery (APSD) on the AP side, and which includes unscheduled (U)-APSD and scheduled (S)-APSD, over one or multiple links or sub-channels. An explicit TWT for a broadcast TWT provides the flexibility of having a broadcast TWT SP between two subsequent negotiated broadcast TWT SPs. Individual / broadcast TWTs can be suspended and resumed for all member STAs toward improving efficiency of AP power saving. Additional elements and benefits are described.

A battery booster for jumpstarting a vehicle having an external battery. The battery booster may include a processor, a set of terminal connectors, a power supply, and a power-management circuit. The set of terminal connectors may be configured to couple with the external battery or an engine that is electrically coupled with the external battery. The power supply may include a lithium battery configured to supply a starting current to jump start an engine. The external battery may have a first nominal voltage, while the lithium battery may have a second nominal voltage that is greater than the first nominal voltage. The power-management circuit operatively coupled with the at least one processor, wherein the at least one processor is configured to transfer power selectively between the external battery and the power supply. The processor is configured to perform a pre-charge function and / or a back-feed function via the power-management circuit, which may employ a pulse width modulation (PWM) driver.

The present description relates generally to methods and systems for power management of a digital (e.g., electronic) stethoscope. In one example, an electronic stethoscope includes a chestpiece configured to be positioned on a patient, the chestpiece including a sensor, wherein the chestpiece further includes a computer processing unit (CPU) operatively coupled to a memory storing instructions that, when executed by the CPU, cause the CPU to automatically activate the electronic stethoscope in response to detecting a touch input via the sensor.

The invention discloses a processing method and system for power management, and the method comprises the steps: judging an STR sleep state through two flag bits, and obtaining an STR wake-up state through the design of the communication between dual systems, thereby guaranteeing the sleep wake-up consistency of the dual systems through a dual authentication function, and effectively improving the sleep wake-up reliability of the dual systems.

The invention provides a fault protection and dynamic limited power control method and system for a 48V electronic water pump. The fault protection and dynamic limited power control method comprises the steps that the preset real-time working current and the real-time pump body temperature of the 48V electronic water pump are obtained; performing weighted fusion calculation on the real-time working current and the real-time pump body temperature to generate a comprehensive state index; comparing the comprehensive state index with a preset water pump reference operation range to judge whether a preset grading response mechanism is triggered or not, and generating a judgment result; when the judgment result is that the grading response mechanism is triggered, calling a power limiting mode corresponding to the comprehensive state index from a preset mode mapping table; and the power limiting mode is applied to adjust the driving power of the preset 48V electronic water pump, and a preset fault protection strategy corresponding to the power limiting mode is executed. According to the invention, refined fault protection and power management of the 48V electronic water pump are realized, the problem of excessive response or insufficient response of a traditional single threshold protection mode is avoided, and the adaptability and reliability of the system under complex working conditions are improved.

The invention belongs to the technical field of power supply control, and particularly relates to an improved linear gain digital signal control method applied to a power supply. Aiming at the problems of poor gain linearity, low control precision, slow dynamic response and insufficient adaptability to system parameter change in a wide load and wide input voltage range in the traditional digital control, the method comprises the following steps of: digitally acquiring power supply operation parameters at high precision, and introducing an adaptive linear gain adjustment module to calculate a target control gain. In addition, the method generates a pulse width modulation signal based on the corrected gain and digital operating parameters to regulate the power output, and samples quantized output feedback in real time. Through the scheme, the response speed and stability of the power supply system during transient load change can be remarkably improved, and power supply management with higher precision, higher robustness and faster dynamic response is realized, so that the overall performance of the power supply system is comprehensively improved.

Cross link signaling in a WiFi protocol which supports cross link power management, having Automatic Power Save Delivery (APSD) on the AP side, and which includes unscheduled (U)-APSD and scheduled (S)-APSD, over one or multiple links or sub-channels. An explicit TWT for a broadcast TWT provides the flexibility of having a broadcast TWT SP between two subsequent negotiated broadcast TWT SPs. Individual / broadcast TWTs can be suspended and resumed for all member STAs toward improving efficiency of AP power saving. Additional elements and benefits are described.

The invention discloses a DCDC converter power link health state monitoring system and method, and belongs to the technical field of power management, the system comprises a switch node current sampling module arranged at the front end of an inductor L of a DCDC converter, a load current sampling module arranged at the rear end of the inductor L, and a microcontroller unit (MCU); the microcontroller unit (MCU) synchronously collects the switch node current Isw and the load current Iload, and judges the health state of the DCDC power chip and the peripheral inductor L by analyzing the waveform characteristic parameters of the switch node current Isw. According to the invention, online diagnosis and early warning of power link parameter degradation can be realized, and the reliability and safety of the system are improved.

The invention relates to the technical field of power supply management, in particular to a low-temperature emergency start power supply control system, which comprises a temperature acquisition unit used for acquiring dynamic temperature field data of a vehicle power supply operation environment in real time through a multi-source temperature sensing network to obtain environment temperature field distribution data; the trend prediction unit is used for performing temperature field evolution trend prediction based on the environment temperature field distribution data to obtain temperature field evolution trend data; and the risk assessment unit is used for carrying out risk coupling assessment based on the temperature field evolution trend data and obtaining comprehensive risk grade data based on the power supply health state data and the vehicle operation historical data. According to the method, global temperature information is obtained by constructing the multi-source temperature sensing network and the dynamic temperature field, the evolution trend of the temperature field is predicted by using algorithms such as wavelet transform and a long-short-term memory network, the problem of response lag of a traditional mode is avoided, and thermal management can be timely and accurately carried out on the battery.

In disclosed embodiments, a voltage sensor of a computing device is configured to determine a voltage level of a supply voltage provided by a power supply to processor circuitry. Comparator circuitry may perform a comparison operation that compares the determined voltage level to a threshold. A temperature sensor may determine a temperature of at least a portion of processor circuitry. Power control circuitry may initiate a power management operation to adjust voltage margin based on a result of the comparison operation. Additionally, the power management circuitry may control the comparator circuitry to impose an offset on the comparison operation. The power control circuitry may determine a magnitude of the offset based on a pre-determined effect of the determined temperature on voltage margin parameters for at least a portion of the processor circuitry.

The invention relates to an expandable distributed voltage controller, and relates to the technical field of power grid electric energy management, the expandable distributed voltage controller comprises a series-parallel module comprising a parallel converter, a first series converter, a first DC capacitor and an isolation transformer, the DC side of the parallel converter is connected with the DC side of the first series converter through the first DC capacitor, and the DC side of the first series converter is connected with the isolation transformer through the isolation transformer; the alternating current side of the series converter is connected in series to the power grid side through the isolation transformer; and the series connection module comprises a second series connection converter, a second direct current capacitor and an isolation transformer, the second direct current capacitor is arranged on the direct current side of the second series connection converter, and the second series connection converter is connected to the load and / or the grid connection position in series through the isolation transformer. A plurality of problems can be solved while the power quality problem of the power grid is governed, so that the application range is wider.