332 results about "Power application" patented technology

The invention relates to a power edge cloud cooperative management method based on a swan OS, and the method comprises the following steps: S1, deploying intelligent edge nodes, setting an embedded AI acceleration unit, operating the swan OS on all the intelligent edge nodes, and achieving the seamless cooperation of equipment through the distributed characteristics of the swan OS; and S2, realizing self-organizing connection of edge devices by adopting a Mesh network technology, designing a direct communication path between the edge devices, and realizing rapid processing of local problems. S3, aiming at the real-time requirement of a power system, optimizing an MQTT / CoAP protocol stack, improving the efficiency and reliability of message transmission, and allocating special network resources for different types of power applications by utilizing the 5G network slice characteristics, S4, constructing a security architecture based on a zero-trust principle, enhancing the equipment access control and data transmission security, and S5, establishing a security architecture based on a zero-trust principle. And identity authentication and data integrity protection are performed by using a block chain technology, so that data tampering and counterfeiting are prevented. According to the method, the local distributed decision-making capability and the global cooperation capability are effectively improved.

The present invention relates to the technical field of electricity applications. Disclosed are a supply-demand interaction game method based on electricity consumption behaviors of user groups, and a system. The method comprises: collecting and preprocessing historical electricity consumption data of smart terminals of user groups; using a clustering analysis method to perform classification on the types of electricity users; by means of the central-limit theorem and Monte-Carlo method, constructing a user electricity consumption behavior analysis model; creating an electricity user group evolutionary game model, so as to analyze long-term evolution patterns of electricity consumption strategies of the user groups; and power supply entities adjusting and formulating, on the basis of the analysis result, an electricity price incentive plan that maximizes benefits, and transmitting, via power lines, the updated plan to smart electricity consumption terminals of the users. By means of using electricity consumption data of user groups collected by a large number of smart terminal devices and combining the data with the evolutionary game theory, the present invention successfully performs mathematical modeling and analysis on electricity consumption behaviors of user groups, thus achieving mutual benefit, win-win outcomes and stable equilibrium between supply-demand parties in long-term supply-demand interaction.

The invention relates to an electric power mobile application security protection method based on a swan gap microkernel, which comprises the following steps of: S1, establishing a hardware trust root, and storing a device root key and a certificate chain by utilizing a non-tampering storage area built in a chip; s2, establishing a complete trusted boot chain based on a hardware root of trust, and verifying the integrity and credibility of the next layer by each layer from Bootloader to a swan microkernel and then to an application program; s3, constructing a triple authentication system based on user identity, equipment identity and biological characteristics, and performing user authentication; s4, according to a user authentication result, realizing fine-grained authority control based on an RBAC model and ABAC, and ensuring that authority check can be executed during resource access every time by utilizing an IPC security mechanism of a swan micro kernel; and S5, creating an independent execution environment for each power application according to the process isolation capability of the swan microkernel, and ensuring that memories among the applications cannot be mutually accessed through virtual address space isolation. The reliability of power mobile application safety protection is effectively improved.

The invention discloses a dynamic battery power consumption optimization method based on machine learning, relates to the technical field of energy consumption optimization, and solves the technical problem that power consumption characteristics of different functional applications cannot be effectively distinguished during power management due to the fact that a power consumption management strategy is difficult to formulate in a targeted manner. The power consumption of real-time working applications is analyzed in detail according to the low electric quantity condition, high-power-consumption applications and low-power-consumption applications are distinguished, management is further conducted by combining the commonly-used applications, when the electric quantity is low, the low-power-consumption applications and the high-power-consumption applications which are not commonly used are reasonably limited or closed, operation of the commonly-used applications is preferentially guaranteed, the use requirement of a user and battery endurance are effectively balanced, and the service life of the battery is prolonged. By calculating the effective use duration, the use frequency and the duration ratio of the application, comprehensively obtaining the priority value and comparing the priority value with the preset priority value, the universality of the application is intelligently judged, different priorities are given during power management, the resource allocation efficiency is improved, and the user experience is improved.

The invention discloses a 3D packaged low parasitic inductance SiC power module, which comprises a substrate layer, a chip layer, a connecting layer, a middle layer and a decoupling capacitor, the chip layer is electrically connected with the substrate layer; the middle layer is located between the upper chip layer and the lower chip layer, and the upper connecting layer and the lower connecting layer are windowing type copper blocks, are externally connected with DC terminals and are used for connecting the upper substrate layer and the decoupling capacitor; and the decoupling capacitors are two groups of capacitors arranged beside the middle layer and are electrically connected with the upper connecting layer and the lower connecting layer. By adopting the copper material with high conductivity to be connected with the copper layers in the laminated layer and the substrate to form the middle layer, the inductance of the machine body is obviously reduced, the heat dissipation effect is improved, the machine body has obvious advantages in high-frequency, high-voltage and high-power applications, and the overall performance and reliability of a power electronic system can be effectively improved.

The invention provides an IGCT power module unit heat dissipation device and method, and belongs to the technical field of semiconductor devices.The device comprises a GCT device heat dissipation mechanism, a control module and a liquid cooling machine, and the method comprises the steps that when the real-time temperature of a GCT device reaches a threshold value L, the control module controls the liquid cooling machine to be started, and the flow speed of cooling liquid of the liquid cooling machine is adjusted according to the real-time temperature; when the real-time temperature of the GCT device reaches a threshold value M, the control module controls the liquid cooling machine to conduct refrigeration, and the heat dissipation power of the liquid cooling machine is adjusted according to the real-time temperature. By arranging the liquid cooling machine and the cooling water channel, cooling liquid is used for absorbing and taking away heat of the GCT device, and it is ensured that the GCT device operates within a reasonable temperature range; the control module dynamically adjusts operation parameters of the liquid cooling machine according to a preset control strategy, temperature control over the IGCT power module unit is achieved, the stability and reliability of the whole device are improved through a staged and multi-layer heat dissipation method, and a reliable heat dissipation mode is provided for a high-power application scene.

The invention discloses a high-safety anti-overload fast-charging electronic wire harness system and an electronic wire harness, and belongs to the technical field of electronic wire harness safety protection, and the system comprises a sensing module, a load prediction modeling module, an anomaly detection module, a bypass control module, a central fast-charging regulation and control module and an optimization module. A local load prediction function is constructed by collecting a current change rate and a conductor thermal response curve at the initial stage of fast charging in real time, a resistance abrupt change area is judged, and dynamic current limiting and bypass shunting are carried out; the central module can adjust charging parameters of the next cycle according to historical load characteristics, and the optimization module corrects a prediction model through multi-cycle learning to realize adaptive control; the electronic wire harness integrates a thermoelectric sensor, a resistance sampling unit and a controllable bypass path, and has quick response and local shunting functions; the overload protection capability and the operation safety of the electronic wire harness in the fast charging system can be effectively improved, and the method is suitable for high-power application scenes such as new energy automobiles and high-speed charging piles.

Systems, computer programs, devices, and methods that enable ML-based vision processing for low-power, embedded, and / or real-time applications. In one exemplary embodiment, smart glasses use classifiers that are based on machine-learned (ML) patch relationships. The ML patch features are determined during an offline training process. The ML patch features are grouped into weak classifiers, strong classifiers, and detectors to progressively improve prediction accuracy. An object detection architecture uses triggering logic, search management, and a classification neural network to enable event-based searching, interest-based searching, and / or dynamic search control. In some cases, pre-processing may also be used to minimize the neural network complexity (e.g., pre-processing for scaling, rotations, translations, etc.).

The embodiment of the invention provides a heterogeneous computing power scheduling method and system, and relates to the field of computing power application. The system comprises a scheduling control center and a plurality of computing nodes. And the scheduling control center searches a resource library based on the task tag of the to-be-processed task so as to find a matched target resource tag. The resource label is generated based on the hardware attribute information of the computing node, the task label represents the hardware requirement of the to-be-processed task for the computing resource, and the computing node suitable for scheduling the to-be-processed task can be accurately found by comparing the task label with the resource label. And finding a target computing node by using the hash value of the unique identification computing node, and scheduling the to-be-processed task by using the target computing node. By adopting a resource unique identification mechanism based on a hash value and a scheduling strategy based on matching of a task label and a resource label, the accuracy and stability of heterogeneous computing power resource scheduling can be effectively improved, and the problem of task scheduling failure caused by resource identification conflicts or label configuration errors is reduced.

The invention discloses a multi-core-particle integration system, a chip and a data processing system, and the system comprises a plurality of computing power core particles, each computing power core particle is used for carrying out data calculation based on a corresponding preset calculation path; the management core particle is respectively connected with the plurality of computing power core particles through a plurality of di2die interfaces, the di2die interfaces are in one-to-one correspondence with the computing power core particles, and the di2die interfaces are used for receiving external input data and sending the external input data to at least one computing power core particle, so that the external input data are processed through the computing power core particles to obtain target output data, and the target output data are sent to the management core particle. And in the data processing process, performing data forwarding among the plurality of computing power core particles, so that each computing power core particle performs data calculation according to the corresponding preset calculation path. Therefore, according to the system, the management core particle and the multiple computing power core particles are connected through the di2die interface, so that the multi-computing power core particle integrated system is constructed, higher computing power is provided, and the requirement of a large computing power application scene is met.

Embodiments of an electrostatic chuck are provided herein. In some embodiments, an electrostatic chuck for use in a substrate processing chamber includes a plate having a first side and a second side opposite the first side, a first electrode embedded in the plate proximate the first side, a second electrode embedded in the plate proximate the second side, a plurality of conductive elements coupling the first electrode to the second electrode, a first gas channel disposed within the plate and between the first electrode and the second electrode, a gas inlet extending from the second side of the plate to the first gas channel; and a plurality of gas outlets extending from the first side of the plate to the first gas channel.

The invention provides a spacecraft thermal test thermal response automatic test method and system. The method comprises the steps that S1, preset configuration information is acquired, and a resistance interpretation test is carried out on a current power output loop; s2, initial test current is applied to the power output loop passing the test, and the temperatures of all test points are obtained regularly; and S3, judging whether the temperature change of the measuring point meets the response condition or not, if so, judging that the power output loop is matched with the measuring point meeting the response condition, and testing the next power output loop, and if not, returning to the step S2 and increasing the test current step by step until the measuring point meeting the matching condition exists. The testing process is high in safety, it is initially determined that the configuration of the power output loop is not abnormal, then the matching performance of the temperature measuring point and the power output loop is determined step by step in a stepped power-up mode, and the problems that due to the fact that the current applied to the power output loop is too large for a long time, a heating piece is burnt or the temperature of a product is abnormal are completely eradicated.

A connector that enables electronic assemblies to be efficiently configured for any of multiple power requirements. The connector may have multiple interfaces such that when the connector is mounted to a printed circuit board (PCB), it may receive power through an interface and distribute it to components on the PCB through another interface. The connector may also have an interface that supports a connection to a conductive interconnect, which may distribute power to a second connector mounted to the same PCB. Power may be distributed to components mounted to the PCB without passing through the mounting interface of the first connector. As a result, the current density in the PCB adjacent the first connector is reduced relative to current density required to supply current to all components through the mounting interface of the first connector. The PCB may have fewer layers than a conventional PCB assembly supporting comparable functionality.

Systems, computer programs, devices, and methods that enable ML-based vision processing for low-power, embedded, and / or real-time applications. In one exemplary embodiment, smart glasses use classifiers that are based on machine-learned (ML) patch relationships. The ML patch features are determined during an offline training process. The ML patch features are grouped into weak classifiers, strong classifiers, and detectors to progressively improve prediction accuracy. An object detection architecture uses triggering logic, search management, and a classification neural network to enable event-based searching, interest-based searching, and / or dynamic search control. In some cases, pre-processing may also be used to minimize the neural network complexity (e.g., pre-processing for scaling, rotations, translations, etc.).

The invention belongs to the technical field of power devices, and provides a silicon carbide power device, a preparation method thereof and a chip, a plurality of P-type floating islands are arranged between an N-type drift region and a top epitaxial region, so that the clamping effect on saturation current can be increased, the short-circuit characteristic is strengthened, and the performance of the device is improved. Meanwhile, the self-depletion effect of the P-type floating island is beneficial to reducing capacitance between the first electrode layer and the grid electrode in the device, the switching characteristic of the device is improved, and the trade-off relationship between breakdown voltage and on-resistance can be effectively balanced under the condition of a relatively shallow P-type well region and a relatively deep doped current expansion region, so that the performance of the device is improved. On-resistance of the device is optimized on the premise that breakdown voltage is not affected, and the requirement of high-power application for device performance is met.

The invention discloses an MBUS (Meter Bus) slave enhancing system, which is suitable for a remote meter reading system of an instrument, and is particularly suitable for an MBUS bus environment with a large number of slaves and complex communication. The enhancement system comprises a main control unit, an MBUS communication interface module, a reset system, a four-way independent MBUS output module, a voltage monitoring module, a current protection module and an abnormity identification and reporting mechanism. And the main control unit communicates with the concentrator through an MBUS interface, analyzes an instruction and controls the states of the four output channels, and each channel can be connected with at most two slaves and supports independent switching and state monitoring. When short circuit, dynamic current interference or abnormal current occurs in a certain path, the system can automatically turn off the path and report abnormal information to the concentrator. The enhanced system supports segmented control and dynamic scheduling of communication loads, the communication stability and the meter reading success rate of the system are remarkably improved, and the enhanced system is particularly suitable for low-power-consumption application in a battery power supply scene. The device can be seamlessly accessed to the existing MBUS system, and has good compatibility.

A reduction gearbox of an aircraft propulsion system includes an input shaft configured to input rotational energy into the reduction gearbox, an output shaft configured to output rotational energy from the reduction gearbox to a propulsor of the aircraft propulsion system, and an epicyclic gear arrangement mechanically coupling the output shaft to the input shaft. A transfer gear is positioned at a component of the epicyclic gear arrangement and is configured to mechanically couple an accessory component to the reduction gearbox.

The invention discloses a power amplifier and circularly polarized antenna integrated structure which comprises a power amplifier and an antenna which are integrated together, and the antenna is a circularly polarized antenna. The input impedance of the antenna is directly matched with the output impedance of the power amplifier at the center frequency 1.9 GHz and the center frequency 2.6 GHz through the feed point position of the microstrip line in the antenna and the impedance of the microstrip line; the dual-frequency dual-band antenna has the advantages of being small in occupied size, high in integration level, small in transmission loss, high in transmission efficiency in high-frequency, broadband and high-power application scenes, capable of achieving dual-frequency work and capable of meeting the requirements of a wireless communication system for multi-frequency and high-quality transmission.

The invention discloses an energy storage system cell equalization decision-making method, equipment, a medium and a program product, and relates to the field of battery detection equipment. In the method, when it is monitored that a target cell unit triggers a preset equalization condition, historical operation data is acquired, and based on the data, a long-term aging rate representing a long-term health risk of a cell is calculated, a power fluctuation characteristic of a system application scene is identified, and a recoverable electric quantity of a current equalization income is quantified. According to the method, the balancing task in a high-power application scene can be preferentially processed; and for other scenes, the risk urgency obtained by mapping the long-term aging rate is combined with the recoverable electric quantity to generate a comprehensive priority, and a final equilibrium decision is formed according to the comprehensive priority. By implementing the technical scheme provided by the invention, limited balance resources can be applied to the battery cells with high risk and high income, so that the overall operation efficiency and economical efficiency of the energy storage system are improved while the system safety is guaranteed.

The invention belongs to the technical field of power application, and aims to solve the problems that arc energy of an existing three-phase switch is difficult to accurately control and potential safety hazards exist when an electronic scheme is adopted. A split-phase independent control three-phase switch provided by the present invention comprises a switch body and three switch mechanisms, each switch mechanism comprises a shell, a handle, a linkage assembly, a moving contact assembly, a static contact, an arc extinguish chamber, a microswitch and a tripping assembly, the moving contact assembly and the arc extinguish chamber are both arranged in the closed shell, and the static contact assembly is arranged in the shell. The handle is connected with the moving contact assembly through the linkage assembly, the joint position of the moving contact assembly and the static contact is located in the arc extinguish chamber, and the linkage assembly is arranged to be capable of being connected with the microswitch when the moving contact assembly is connected with the static contact. The tripping assembly is set to enable the linkage assembly to drive the moving contact assembly to be separated from the static contact when the current reaches a set threshold value. The three-phase switch can accurately control arc energy, adopts a mechanical tripping mechanism to optimize a protection structure, and has no potential safety hazard.

The invention discloses an adaptation and cutting method and system based on an electric power terminal equipment swan operating system, and the method comprises the steps: firstly carrying out the adaptation between the function demands and performance requirements of the electric power terminal equipment and the type of the swan operating system and the type of a chip; then, a service management center, an equipment event monitor and an application incubator process are started in sequence through an initialization script, system service adaptation is achieved, hardware nodes needing to be clipped are removed based on a layered clipping strategy, customized function clipping can be conducted on the swan mongolian operating system according to different electric power application scenes, then drive adaptation is conducted, and the operation efficiency of the swan mongolian operating system is improved. According to the method, the power terminal equipment is ensured to stably and efficiently operate under the selected swan-gap operating system, and finally old application transplantation and new application deployment on the power terminal equipment are realized, so that efficient operation and function customization of the power terminal equipment under the swan-gap operating system can be realized; and the overall performance and reliability of the power Internet of Things system are greatly improved.

A semiconductor device module for use in high-power applications incorporates a lead frame and a wire bonding scheme designed to improve reliability and reduce cost. A combination of aluminum wire bonds and gold wire bonds can be used to connect dies of different sizes, formed on different substrates, or that use different bonding materials to a shared underlying structure. Instead of making direct connections between the dies, the different types of wire bonds can be coupled to an intermediate floating pad.

The invention relates to a multi-security protection method for an electric power application shopping mall, and the method comprises the following steps: S1, collecting and recognizing the fingerprint information of equipment, then carrying out the credibility evaluation of the equipment, and outputting an authenticated and credible user session voucher; s2, dynamically judging a function and a data range which are allowed to be accessed in combination with a shopping mall permission model, and verifying whether the permission conforms to the current application or not in real time; s3, when a user accesses the application, deploying a runtime application self-protection component according to each running application, monitoring the running state of the application in real time, and obtaining monitoring content; s4, establishing an application normal behavior baseline based on a machine learning algorithm, and identifying an abnormal behavior by comparing a real-time behavior with a baseline model according to the monitoring content; and S5, when the security risk is detected, the system automatically executes corresponding response measures according to the risk level. The reliability of the electric power application shopping mall is effectively improved.

The invention belongs to the technical field of high-power electronic component base materials, and discloses an embedded high-thermal-conductivity ceramic packaging substrate for a high-power scene and a preparation method of the embedded high-thermal-conductivity ceramic packaging substrate. ABF composite layers are arranged above and below a ceramic core plate in the ceramic packaging substrate; a high-thermal-conductivity base material is fixed in the ceramic substrate; interconnection holes are formed in the ceramic substrate, and electroplating copper film layers are arranged on the upper surface and the lower surface of the ceramic substrate and in the interconnection holes; a copper-clad plate layer is arranged on the outer side of the ABF layer, a copper-clad plate groove is formed in the copper-clad plate layer, a blind hole is formed in the copper-clad plate groove, and a copper column is arranged in the blind hole; a solder mask layer is arranged on the surface of the ABF layer on the outermost side, a surface treatment layer is arranged on the outer side of the solder mask layer, and blind holes with built-in copper columns are formed in the surface treatment layer. The preparation method comprises the following steps: forming a substrate groove in the surface of the ceramic substrate; embedding a high-thermal-conductivity base material; arranging an electroplating copper film coating layer; an ABF composite layer is arranged; arranging a solder mask layer; and arranging a surface treatment layer. The LED lamp is good in heat dissipation effect.

The invention relates to a domestic environment-oriented power application performance anomaly detection method and system, and the method comprises the following steps: S1, obtaining a domestic basic environment, power real-time data, an application system performance index and a business operation log, and carrying out the preprocessing, and obtaining a multi-dimensional time series data matrix; s2, performing feature engineering and feature optimization based on the multi-dimensional time sequence data matrix to obtain an optimized feature matrix; s3, constructing a multi-level AI anomaly detection model based on the optimized feature matrix in combination with historically labeled anomaly samples; s4, according to the multi-level AI anomaly detection model and the preprocessed real-time data, obtaining an anomaly detection result; and S5, according to an anomaly detection result, obtaining an alarm strategy and a disposal white list, and converting the anomaly detection result into operable alarm and disposal. According to the method, the operation and maintenance pressure and the response risk are powerfully reduced, and the whole-process intelligent and refined management from anomaly detection to alarm disposal is realized.

The invention relates to the technical field of embedded systems, in particular to an embedded system customized and developed for power application, which comprises a dynamic sensing module used for accurately capturing unsteady signals, the dynamic sensing module is coupled and connected with a real-time signal analysis module used for rapidly extracting features of the unsteady signals, and the real-time signal analysis module is coupled and connected with a data processing module. The real-time signal analysis module is in coupling connection with an intelligent scheduling module used for deterministic time delay of key tasks, and the intelligent scheduling module is in coupling connection with a fault-tolerant control module used for reliable operation under abnormal conditions. The method solves the problems that when an embedded system in the prior art adopts a fixed period FFT (128 points / 10ms), the amplitude capture delay of more than 13 times of harmonic waves reaches 15ms, so that the harmonic impedance calculation error exceeds 12%, and ADC sampling is possibly lost when a protection task and a data acquisition task conflict in priority, so that the sampling loss of the ADC is reduced. A power embedded system has the problems of missed detection of harmonic characteristics and conflict defects of task scheduling in a high dynamic load scene.

The invention provides a thermal management method and system suitable for a high-specific-energy power battery, and relates to the technical field of new energy power battery thermal management and safety monitoring, and the method comprises the steps: switching three heat exchange modes based on a thermal load grade, and carrying out the constraint through a hysteresis threshold; and after filtering, constructing a multi-parameter early warning logic, outputting three-level early warning according to a combined threshold value, and executing corresponding treatment. The system comprises a partition box body, a battery module with a composite porous interlayer, a closed thermal management loop and a BMS (Battery Management System) integrated with optical fiber sensing. Structural protection, heat management and monitoring disposal integrated cooperation can be achieved, the data collection precision and heat exchange stability are improved, early accurate early warning can be achieved, fault upgrading is restrained, the operation safety of the power battery is remarkably improved, the service life of the power battery is remarkably prolonged, and the high-power application requirement is met.

The invention discloses a chip structure for high-power packaging and a preparation method thereof, relates to the field of power semiconductor devices, and provides a gallium nitride power device structure applied to high-power application, the gallium nitride power device structure is provided with a thick metal substrate and a thick metal top weldable metal layer, so that the gallium nitride power device structure has good heat dissipation performance and better device reliability; the invention also provides a plurality of methods for forming the gallium nitride power device structure for high-power application, and the method has lower production cost and production stability; the invention further provides a peripheral structure of the gallium nitride power device and a forming method of the peripheral structure, the chip can be prevented from cracking during cutting, and the reliability of the device is improved.

The invention belongs to the technical field of power electronics, and particularly relates to a parallel drive circuit of a silicon carbide power device and a motor drive system.The parallel drive circuit comprises a drive power source, a drive chip, a power switch unit and a plurality of drive shunt units, the current sharing resistor is connected with the auxiliary source electrode of the silicon carbide power device and the common power source electrode node. The problem of current imbalance when a plurality of silicon carbide power devices are used in parallel can be solved, the driving consistency and the system reliability are improved, meanwhile, an overcurrent protection function is provided, and the device is suitable for large-power application scenes such as new energy automobile electric control.

The invention provides a route selection method and device for a computing power network of an intelligent computing center cloud platform based on a predefined rule, and relates to the technical field of intelligent computing centers, intelligent computing centers and computing power infrastructures. Obtaining a destination address carried in the computing power operation data packet, wherein the destination address is a network address of the target computing power application; s2, the gateway queries a computing power network routing table based on the network address of the target computing power application, and obtains a plurality of candidate next-hop routing addresses corresponding to the network address of the target computing power application and a routing priority of each candidate next-hop routing address; s3, the gateway selects an optimal next-hop routing address from a plurality of candidate next-hop routing addresses corresponding to the network address of the target computing power application based on a predefined rule; and S4, the gateway sends the computing power operation data packet to the optimal next-hop routing address.