2353 results about "Transformation unit" patented technology

The invention relates to the technical field of intelligent control of transformer substations, in particular to a standardized intelligent control system of a transformer substation, which realizes real-time response to the running state of equipment by acquiring the current, voltage, power factor, temperature and humidity, operation state, insulation state and environment temperature and humidity of a power transformation unit in real time. A gradient boosting decision tree is combined with a variational auto-encoder and a self-attention mechanism, state vector features are extracted, complex abnormal states are accurately recognized, potential faults are detected in an early stage, and the monitoring efficiency and the early warning precision are greatly improved. The future power demand is accurately predicted by combining the long-short-term memory network model with historical and real-time load data, and the limitation of traditional static load management is overcome. Based on the predicted power demand, the reinforcement learning model is adopted to dynamically adjust the operation number of the power transformation units, optimal configuration of resources is achieved while the demand is met, and the overall operation efficiency of the transformer substation is remarkably improved.

The invention discloses a processor, a chip product, computer equipment and a tensor processing method, and relates to the technical field of processors. A first tensor having a plurality of elements arranged according to a first arrangement order is stored in the first storage unit; the tensor storage engine is used for reading the plurality of elements from the first storage unit to the second storage unit according to a second arrangement sequence to obtain a rearranged tensor; the tensor calculation engine is used for executing logical operation on the rearranged tensor to obtain an operation result; the format conversion unit is used for converting the data format of each element in the operation result into a target data format to obtain an operation result after format conversion, and storing the operation result after format conversion into a third storage unit, the operation result after format conversion comprises the operation results of the multiple elements, and the third storage unit is used for storing the operation results after format conversion. A third arrangement sequence of the operation results of the plurality of elements in the third storage unit is the same as the first arrangement sequence. The development cost of the processor can be reduced.

The invention relates to the technical field of wireless communication, in particular to a wireless communication network system and method for intelligently fusing a multi-mode heterogeneous network. Comprising a multi-mode access unit; a protocol compatibility and conversion unit; the heterogeneous network intelligent fusion unit completes cross-network dynamic flow collaboration and resource optimization decision through cross-layer feature association mining, service-network two-dimensional weight calibration and a double-closed-loop feedback optimization mechanism, generates a resource scheduling instruction and transmits the resource scheduling instruction to the intelligent scheduling and resource control unit; an intelligent scheduling and resource control unit; and a system control and cooperation unit. According to the invention, the service-network two-dimensional dynamic fusion weight is constructed through the intelligent fusion unit of the heterogeneous network, and bandwidth, frequency spectrum and power resources are allocated according to the priority and margin balance principle in combination with the intelligent scheduling unit, so that the problem of insufficient two-dimensional coordination of resource scheduling is solved, the resource scheduling is matched with the service demand and the network load, and the resource scheduling efficiency is improved. And resource waste or incapability of meeting business requirements is avoided.

The invention discloses a cross-platform equipment alarm information acquisition method, and particularly relates to the field of information acquisition, the method adapts to different platform equipment through a standardized interface layer, the interface layer comprises an equipment connection protocol library and a unified data conversion unit, and an original log of the equipment is analyzed in real time based on a preset alarm rule template; extracting key information and generating an alarm event object; converting the alarm key information into an alarm event in a unified format, and adding equipment identification metadata; alarm events are asynchronously transmitted to a central processing server by utilizing a high-reliability message queue, and the transmission reliability is guaranteed by adopting various mechanisms; performing duplicate removal, priority classification and persistent storage on the alarm events in the central server, and ensuring data consistency by adopting a hierarchical storage architecture; the whole processing link is provided with perfect monitoring indexes, and automatic capacity expansion and contraction are achieved.

The invention relates to a detection and analysis method and system for an energy storage system, and aims to improve the state monitoring precision, the fault early warning capability and the response intelligence level of the system. The method comprises the following steps: firstly, synchronously acquiring and transmitting multi-source data in real time through a sensor network deployed in a battery module, a power conversion unit and a cooling system; and then, key dynamic features are extracted from the multi-source data, and dynamic feature state information of the energy storage system is comprehensively formed. And inputting the state information into a pre-trained deep learning model, and outputting a health state score and a fault probability of the system. Based on the evaluation result and the fault traceability information, the system triggers a multi-level early warning mechanism and executes an active response strategy, and after response execution, the system re-evaluates the health state in a closed loop mode and verifies the response effect; and if the improvement does not reach the expectation, making a decision to start an artificial diagnosis protocol. According to the invention, a complete process from dynamic perception, intelligent diagnosis and accurate response to closed-loop verification is realized, and the safety and reliability of operation of the energy storage system are improved.

The invention discloses a video compression intelligent preprocessing method, system and device based on frequency domain perception optimization and a medium. The method comprises the following steps: constructing a preprocessing model; preprocessing the input coding frame and the reference frame; enabling the preprocessed coding frame and reference frame to pass through a virtual encoder to obtain a frequency domain coefficient of a residual frame, and calculating a code rate of the coding frame; enabling the frequency domain coefficient of the residual frame to pass through a virtual decoder to obtain a decoded frame; training a preprocessing model; testing the effect; the system, the equipment and the medium are used for implementing the method. According to the method, a frequency domain sensing module is introduced into a virtual encoder in a training stage, modeling is carried out on a frequency domain information context, and statistical redundancy between transformation units is eliminated; an optical flow collaboration module is introduced into a virtual encoder, local distortion of a prediction frame is repaired in a feature domain by using high-level semantic information, and the difference between training and actual deployment is effectively reduced; through the optimization, the preprocessing model can better learn the rate distortion characteristic of the standard encoder, and the quality of the preprocessed video is remarkably improved.

The invention discloses a vertical retaining structure displacement automatic monitoring device and a monitoring method thereof, and relates to the technical field of displacement automatic monitoring, and the device comprises a data acquisition unit which is used for configuring monitoring nodes, obtaining sensor data monitored at the top of a retaining wall, and preprocessing the sensor data to obtain effective inclination angle data; the displacement conversion unit is used for recognizing and optimizing the attitude angle by using a dynamic Kalman filtering algorithm, and calculating a displacement value of the vertical soil retaining structure by combining the vertical distance from the bottom to the top of the soil retaining wall; the monitoring and early warning unit is used for uploading the displacement value of the vertical retaining structure to a remote data platform, constructing a monitoring network, analyzing and predicting the deformation trend of the retaining wall and triggering early warning according to an analysis result; and the battery management unit is used for providing battery state monitoring and management. The displacement of the top of the retaining wall can be accurately sensed and monitored through the inclination angle data, and comprehensive and accurate monitoring is ensured by adopting an attitude solver and a dynamic Kalman filtering algorithm.

A power conversion device includes a power conversion unit and a control unit. The power conversion unit includes a first semiconductor module. The first semiconductor module includes a plurality of power semiconductor elements. Some of the plurality of power semiconductor elements are detection target elements. The power conversion unit further includes a temperature sensor and a voltage sensor. The temperature sensor detects a surface temperature of the detection target element as a sensor position temperature. The voltage sensor detects an inter-terminal voltage of the detection target element. The control unit calculates a loss in the detection target element based on the sensor position temperature and the inter-terminal voltage, and estimates a maximum temperature based on the calculated loss.

In a system including a plurality of in-vehicle networks, information regarding the network configuration of function units connected to different types of transmission paths can be easily used. A relay device includes: an acquisition unit configured to acquire second function unit information of the function unit connected to the second transmission path, the second function unit information being function unit information that includes information regarding a network configuration of a layer of a lower order than an application layer; and a conversion unit configured to perform a conversion process of converting the second function unit information acquired by the acquisition unit into information that is able to be registered into a database of one or a plurality of pieces of first function unit information being function unit information of one or a plurality of the function units each connected to a corresponding first transmission path.

The invention belongs to the technical field of emergency power supply of power supply vehicles, and particularly discloses and provides an emergency power supply system of a large mobile storage and charging power supply vehicle, which comprises a vehicle-mounted energy storage unit, a power conversion unit, a PWM (Pulse Width Modulation) signal generation unit, a load monitoring unit and a control unit. The control unit determines a grid-connected mode or an off-grid mode by collecting the on-off state of a power grid and the total power of a load and calculating the power change rate. During grid connection, a voltage instantaneous value is monitored, and a power supply process is executed after locking cooperative control is triggered. Load impact components are identified and verified in the off-grid process, loads are cut off in a graded mode and cyclic verification is conducted if the load impact components do not pass or power exceeds the limit, and after the load impact components pass, time sequence graded loading control is executed according to the adjustment stage number determined by the load type and the proportion. According to the invention, flexible selection between grid connection and grid disconnection can be realized according to actual working conditions, the condition of single power supply mode is changed, the adaptive capacity to different scenes is improved, the real uninterruptible power supply requirement is met, and the impact load is precisely controlled.

A multiple input converter for outputting power from AC power or a battery to positive and negative direct current (DC) buses is provided. The multiple input converter includes at least one bridge arm unit and a bidirectional DC-DC conversion unit. The bridge arm unit corresponds to one phase of the alternating current (AC) power and includes an upper and lower bridge arms that can independently form a two-level converter. In a battery mode, the upper and lower bridge arms discharge power from the rechargeable battery to the positive and negative DC buses, and the bidirectional DC-DC conversion unit discharges power from the rechargeable battery to the positive and negative DC buses or balances voltages of the positive and negative DC buses. In a mains mode, the bridge arm units are connected to the AC power. The bidirectional DC-DC conversion unit determine whether to charge or discharge according to load conditions.

The present disclosure discloses a medium-voltage input DC power supply system, comprising a phase-shifting transformer including a plurality of secondary windings; at least one power conversion unit, each including at least one power conversion module, and each power conversion module including: a rectifier unit having an input terminal connected to one of the plurality of secondary windings; at least one DC conversion unit connected to an output terminal of the rectifier unit, each DC conversion unit comprising: a first power conversion circuit, which is a single-stage DC conversion circuit; and a second power conversion circuit connected in parallel to an input terminal of the first power conversion circuit to suppress current oscillation at the input terminal of the first power conversion circuit; wherein each of the secondary windings is connected to one corresponding power conversion unit.

The invention relates to the technical field of relay detection, and particularly provides a relay fault detection circuit, method and system applied to an energy storage system, and the circuit comprises an energy storage system positive pole loop, an energy storage system negative pole loop, and a voltage collection circuit. The energy storage system cathode loop is that the cathode of the battery is connected with the cathode of the external circuit through a main cathode relay, and the voltage acquisition circuit comprises a battery end voltage transmitted to the main control chip through a voltage acquisition module and an external circuit end voltage transmitted to the main control chip through the voltage acquisition module. The main control chip sends control signals to the control ends of the main positive relay and the main negative relay and receives feedback signals of the state feedback end. By means of the optimized detection circuit, multiple independent voltage detection circuits and corresponding AD conversion units do not need to be additionally arranged, and the fault that the main positive relay and the main negative relay cannot be closed and the fault that the main positive relay and the main negative relay are adhered in the operation process can be accurately recognized.

The embodiments include a power converter including a DC / AC conversion unit. A direct current bus is connected to the DC / AC conversion unit and a direct current source. The DC / AC conversion unit is further connected to a power grid. When a direct current bus voltage is less than or equal to a first voltage threshold, the power converter may switch to a current source mode to output first output power to the power grid, where the first output power is equal to an output power limit of the direct current source. Then, if a fluctuation amplitude of the direct current bus voltage is less than or equal to a first fluctuation threshold, the power converter may resume outputting second output power to the power grid in a voltage source mode, so that the second output power is less than or equal to the output power limit of the direct current source.

An information processing apparatus 4 includes: a transformation unit 423 configured to transform a plurality of tuples of feature vector data XV in a presentation space into a plurality of tuples of latent vector data ZV in a latent space; an extraction unit 423 configured to extract, based on the plurality of tuples of latent vector data, feature vector data having a shorter distance from query data DQ in the latent space than the other feature vector data, as neighbor data DNi from among the plurality of tuples of feature vector data; a generation unit 424 configured to generate, based on the neighbor data, a local model LM that outputs an estimation value dpi of a latent distance di when difference information Vi is inputted, the latent distance being a distance between the query data and the neighbor data in the latent space, the difference information being related to a difference, for each element of the features, between the query data and the neighbor data in the presentation space; and a calculation unit 425 configured to calculate, based on the local model and the difference information, an element contribution degree ci,f representing a magnitude of an effect that each element of the features of the neighbor data exerts on the latent distance.

The water electrolysis hydrogen production control system comprises an energy conversion unit, an electric energy storage unit, an electrolysis hydrogen production unit, a hydrogen storage unit, a data acquisition unit, a data transmission unit, a data storage unit, a data processing unit, an intelligent regulation and control unit and a remote monitoring unit, and the energy conversion unit is used for converting renewable energy into electric energy. Temperature, pH value, current, voltage, electric quantity, air pressure and hydrogen concentration data are collected in real time, then intelligent analysis and judgment are conducted, an analysis and judgment result is obtained, a regulation and control instruction can be issued in time, it is ensured that the temperature of the electrolytic cell is appropriate, electric energy supply is stable, and the efficiency and safety of electrolytic hydrogen production are effectively improved. And meanwhile, the remote monitoring unit realizes data visualization and abnormity alarm, so that operation and maintenance personnel can master the state of the system in time and quickly respond and process.

The invention relates to the technical field of semiconductors, in particular to an active current sharing strategy for master-slave cooperative control. According to the technical scheme, the system comprises an S < iC > device dynamic current sampling unit, a dynamic current information conversion unit, a dynamic current information processing unit and a variable grid resistance driving circuit, wherein the S < iC > device dynamic current sampling unit is used for collecting real-time current information of the S < iC > device in the turn-on transient process. The method can effectively solve the problem of current imbalance caused by parameter difference of multi-device parallel connection, is especially suitable for parallel connection of three or more modules, guarantees the current sharing effect through fine active current sharing control, adopts a master-slave cooperative control strategy, solves the problem of single-point fault of a main module in traditional master-slave control, and improves the robustness of the system. The device is prevented from being damaged due to excessive current and voltage stress caused by current imbalance, stable operation of the system is guaranteed, current distribution can be effectively adjusted in the load switching process, and stable operation of the system is guaranteed.

The invention discloses a communication system for realizing bidirectional protocol compatibility of an upper computer and a main control module, which comprises a protocol bridging module, an upper computer communication interface module and an inter-module communication interface module, and is characterized in that the protocol bridging module is used for realizing bidirectional analysis and packaging of an upper computer protocol and an internal standard protocol; the protocol bridging module adopts an independent MCU (Microprogrammed Control Unit) processing unit, integrates a protocol analysis unit, a mapping conversion unit and a data encapsulation unit, and is internally provided with a protocol mapping table for the mapping conversion unit and the data encapsulation unit to call; the upper computer communication interface module is used for realizing communication connection between the protocol bridging module and an upper computer, integrates various physical interfaces, and adopts a level and protocol adaptive design to realize seamless butt joint with different types of upper computers; and the inter-module communication interface module is used for realizing communication connection between the protocol bridging module and the main control module, integrates various standard interfaces, and adopts an interface automatic adaptation design to be compatible with interface specifications of different main control modules.

The invention relates to a micro-current detection system, which comprises a clamping current sampling unit, a current amplification conditioning unit, an analog-to-digital conversion unit and a controller, and is characterized in that the clamping current sampling unit comprises a plurality of clamping sampling circuits which are sequentially connected in series, and the first clamping sampling circuit and the last clamping sampling circuit are both used for being connected to a detected sensor; the current amplification conditioning unit comprises differential amplification conditioning circuits, the number of the differential amplification conditioning circuits is associated with the number of the clamping sampling circuits, and the differential amplification conditioning circuits are electrically connected to the clamping sampling circuits in a one-to-one correspondence manner; the analog-to-digital conversion unit comprises an analog-to-digital converter, and the analog-to-digital converter is electrically connected to all the differential amplification conditioning circuits; the controller is electrically connected to the analog-to-digital converter. According to the invention, real-time, precise, continuous and dynamic self-adaptive sampling can be carried out on the micro-current through the clamping current sampling unit, and the current amplification gain does not need to be adjusted by frequently switching a sampling resistor. Moreover, the collection noise can be effectively suppressed, and the signal-to-noise ratio is improved.

The invention belongs to the technical field of medical robots, and discloses a surgical robot accurate pose real-time registration method and system based on multi-sensor fusion, and the system comprises a multi-source sensing collection assembly; a time-space calibration mechanism; fusing a resolving platform and an exception elimination platform; a deformation sensing and dynamic compensation device; and a registration result closed-loop feedback unit. According to the invention, a multi-source sensing acquisition assembly and a synchronous control board are integrated on a hardware level, a nanosecond timestamp is generated by using a high-precision clock driven by an onboard crystal oscillator, and a cross-correlation delay calculation chip is combined to execute a cross-correlation function method delay estimation formula, so that microsecond-level accurate correction of delay amount among sensing sources is realized; the coordinate transformation unit automatically selects a matched calibration matrix according to a correction result, multi-source data such as optical positioning, inertial measurement, a torque sensor, ultrasonic or electromagnetic positioning and the like are unified to a global rectangular coordinate system, and the structure can effectively ensure the consistency of time and space references of data output by different sensors.

The invention discloses power distribution cabinet assembly equipment and an assembly process thereof, and relates to the technical field of power distribution cabinet assembly.The assembly process comprises the following steps that S1, a foundation is stabilized, specifically, the equipment is integrally moved to a proper position through universal wheels, the equipment is integrally stood on the ground through stabilizing pieces, and stability is ensured; according to the power distribution cabinet assembly equipment and the assembly technology thereof, the posture of the assembly equipment is adjusted through an adjusting piece, self-definition can be achieved according to the personal condition of a worker, S3, stable installation is achieved, a tightening piece is connected to the upper face of a power distribution board installation top frame, and in S2, the overall posture of the power distribution cabinet assembly equipment is adjusted by arranging a conversion unit. According to the power distribution cabinet assembling equipment, the height suitable for an installation worker can be adjusted according to the height of the installation worker, the purpose that each worker can adjust the height of the pitching angle and the overall height of the equipment according to the needs of the worker is achieved, and therefore the working efficiency can be improved when the power distribution cabinet assembling equipment is used for actually assembling a power distribution box.

The present invention relates to an energy storage system employing battery packs, comprising: battery packs; DC / DC power conversion units for adjusting magnitudes of charge / discharge power of the battery packs; an AC / DC power conversion unit for converting discharge power from the DC / DC power conversion units into AC power provided to a grid, or convert charge power from the grid into DC power provided to the DC / DC power conversion units; and an integrated control unit for individually controlling the DC / DC power conversion units on the basis of state information and additional information of the battery packs, and rated power of the AC / DC power conversion unit, wherein the integrated control unit individually controls the DC / DC power conversion units to minimize differences between full charge or discharge times of the battery packs.

A friction nanometer generator disclosed by the present invention comprises a collection unit, a conversion unit and an output unit, the collection unit comprises an input shaft and a base, the conversion unit comprises a roller and a fixed cylinder, the outer wall surface of the roller and the inner wall surface of the fixed cylinder are both provided with friction materials, and the polarities of the friction materials of the roller and the fixed cylinder are opposite; the output unit comprises an energy storage electrode layer and an output electrode layer. The input shaft drives the roller to rotate, the roller and the inner wall of the fixed cylinder rub and roll, and friction materials of the roller and the fixed cylinder have opposite polarities and rub to generate electric energy; the generated electric energy is injected into the energy storage electrode layer, the energy storage electrode layer transmits energy to the output electrode layer through electrostatic induction, and the output electrode layer generates current output. Friction resistance and material abrasion are reduced in a rolling contact mode, the energy storage electrode layer and the output electrode layer of the output unit are of a non-contact structure, a large number of charges are generated due to electrostatic induction, an efficient electric energy output system is formed, and the charge density and the output performance of the friction nanometer generator are effectively improved.

The invention relates to the technical field of new energy, in particular to an intelligent charging gun and a charging method. An off-line adaptation algorithm unit identifies CP signal characteristics of a vehicle through a built-in standard library of a CP signal identification module and outputs a vehicle type identifier, and a protocol compatibility algorithm library matches charging protocol characteristic parameters according to the vehicle type identifier; after the protocol conversion unit receives the parameters, voltage thresholds, PWM duty ratios and communication message formats among different protocol standards are converted in real time through a preset mapping table; when the off-line adaptation fails, the system triggers the on-line auxiliary adaptation algorithm unit, and the fault detection module monitors handshake failure, identifies protocol incompatibility characteristics and outputs a fault signal; the data recording and broadcasting module records data in the charging starting process, the cloud communication module uploads the data to the algorithm repairing platform and receives an updating package, and finally the protocol compatibility algorithm library is updated. According to the invention, intelligent conversion and continuous learning of the charging protocol are realized, and charging compatibility and system adaptability are significantly improved.

The invention relates to a multichannel PCM data real-time acquisition and output system and method based on an ALSA framework, and the system comprises a multichannel analog quantity input unit and a multichannel analog quantity output unit, and also comprises a system configuration unit, a memory resource unit, an AD acquisition conversion unit, an audio routing unit, a DA output conversion unit and an ALSA DMA cache region distribution unit. The ALSA DMA cache region allocation unit is used for building a PCM data path of a user space and a kernel space and providing an annular cache region queue for storing DMA resource descriptors, and the audio routing unit obtains the returned DMA resource descriptors from the ALSA DMA cache region allocation unit and allocates the DMA resource descriptors to an output end to complete synchronous multichannel input and output of PCM data. According to the system provided by the invention, the ALSA DMA buffer area distribution unit is adopted, so that the DMA configuration process is simplified, and the data transmission efficiency is improved.

The embodiment of the invention discloses a PCIe encryption card low-power-consumption implementation method and system based on ASPM, and the method comprises the steps: switching the low-power-consumption and working mode of a PCIe encryption card through alternately employing low-power-consumption state interruption and base address register or address conversion unit matching interruption, namely, when a power management module of a PCIe controller detects that the power management module is in an idle state; the PCIe controller generates a low-power-consumption state interrupt signal to the central processing unit and each algorithm module of the PCIe encryption card, in a low-power-consumption state interrupt service program, the central processing unit and each algorithm module enter a low-power-consumption mode, and when the PCIe interface receives an upper host command, the central processing unit and each algorithm module enter a low-power-consumption mode. The PCIe controller generates a base address register interrupt signal or an address conversion unit matching interrupt signal to the central processing unit and each algorithm module, the central processing unit and each algorithm module are awakened, the low-power-consumption mode is quitted, and firmware carries out encryption and decryption command analysis processing on a host command data packet. According to the scheme, the power consumption of the PCIe encryption card can be controlled to be lower.

The invention discloses a ring oscillator which comprises a bias module and an oscillation module. The bias module comprises a current unit and a conversion unit which are connected, the current unit is used for generating a first current and a second current based on the reference current, and the conversion unit is used for generating a bias voltage based on the second current or generating the bias voltage based on a current difference between the first current and the second current; and a driving current is generated based on the current difference between the first current and the second current, the oscillation module is connected with the bias module to receive the bias voltage and the driving current, and an oscillation signal is generated based on the bias voltage and the driving current. The ring oscillator obtains a stable bias voltage as a working voltage of the oscillation module through two currents generated by the bias module based on a reference current, and obtains a driving current of the oscillation module based on a difference current of the two currents. The current has good temperature stability, so that the oscillation precision can be ensured.

The mixed-base FFT hardware accelerator comprises an input logic unit, an operation logic unit, a data conversion unit and an output logic unit which are arranged on an FPGA and connected in sequence, an operation unit is arranged in the operation logic unit, the operation unit is connected with the data conversion unit, the systolic array is arranged in the operation unit, and the systolic array is connected with the data conversion unit. The pulse sequence adopts mixed base to accelerate calculation of FFT (Fast Fourier Transform); the data conversion unit comprises a data truncation module and a data splicing unit which are connected in sequence, the operation unit is connected with the data truncation module, and the data splicing unit is connected with the output logic unit; the input logic unit, the operation unit, the data truncation module, the data splicing unit and the output logic unit are all connected with the controller, and the input logic unit, the data splicing unit, the data splicing unit and the output logic unit are all connected with the DDR memory through a data bus. The method can adapt to requirements of different performances, and fast calculates FFT of different points.

The invention discloses an ultra-stable laser digital automatic locking system and an automatic locking method, and relates to the technical field of ultra-stable laser frequency automatic locking. The ultra-stable laser digital locking system comprises a frequency locking circuit module and a frequency locking laser module. Specifically, according to the system, temperature locking and frequency locking are integrated in one frequency locking circuit module; the temperature of an optical reference cavity of the frequency locking laser module and the working frequency of the frequency locking laser module are simultaneously locked through an FPGA and a matched temperature analog-to-digital conversion unit, a frequency locking analog-to-digital conversion unit, a signal monitoring analog-to-digital converter, a temperature control unit and a frequency control unit. Compared with a digital-analog hybrid circuit in a traditional scheme, the number of components in the system is greatly reduced, the anti-interference capability is enhanced, and the adjustment precision and the stability are obviously enhanced.

The invention relates to the technical field of high-voltage VI modules, and particularly discloses a high-voltage VI source module for SOC testing, which comprises an output stage module, a sampling module and a control and conversion module, the output stage module is constructed by adopting discrete high-voltage power devices, supports four-quadrant operation, and can realize flexible output and absorption of voltage and current; the sampling module is composed of a voltage sampling unit and a current sampling unit which respectively monitor voltage and current signals of the output stage in real time. The control and conversion module comprises a control unit and a digital-to-analog conversion unit; the digital-to-analog conversion unit is responsible for converting a digital control signal into an analog control signal to drive the output stage and converting analog voltage and current signals collected by the sampling module into digital feedback signals; and the control unit receives the digital feedback signals and adjusts the output of the digital-to-analog conversion unit in real time through a closed-loop control algorithm, so that high-precision and high-stability control on the output-stage voltage or current is realized.