425 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 invention discloses a network management computing power session method and system based on 6G communication, sensing and computing integration, belongs to the technical field of mobile communication, and aims to solve the technical problem of how to realize flexible scheduling and on-demand distribution of computing power and network convergence resources in a 6G communication, sensing and computing integration network environment under the condition of not changing network equipment. A mobile network environment supporting a computing power-as-a-service mode is constructed for a user, and the adopted technical scheme is as follows: the method comprises the following steps of: deploying a computing network integration sensing network element, a computing network integration control scheduling network element and a computing network integration service arrangement network element on a core network side, so that the improved core network has a communication, sensing and computing power integration function; and through analysis and identification of computing power application request indexes, computing power business arrangement, computing power and network Qos configuration mapping, decision making and scheduling of computing network fusion resources, distributed cooperative computing tasks are issued, so that computing power session creation is completed, and different computing power requirements of the mobile terminal are met.

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 the technical field of electromagnetic compatibility, in particular to a power application environment electromagnetic interference analysis and evaluation method and system, and the method comprises the following steps: recording the position coordinates of a plurality of power devices based on power grid operation data, collecting the current and voltage data of the operation of the devices, and measuring the electromagnetic field intensity data of a plurality of positions of a power grid; an electromagnetic environment data set is generated. According to the method, the operation data and the electromagnetic field intensity of the power equipment are recorded, the understanding ability of the electromagnetic environment is enhanced, the shielding effect of various materials is accurately evaluated by combining the analysis of the shielding materials, the design and operation of the power equipment are optimized, and the electromagnetic sensitivity of the equipment is evaluated. According to the method, the dynamic distribution of the electromagnetic field is simulated and predicted, the electromagnetic field mode causing a fault is identified, and risk equipment predicted through real-time monitoring and data analysis is combined, so that the stability and safety of a power system are improved, the anti-interference capability is enhanced, and the operation efficiency and function safety of power facilities are improved.

Solid-state circuit breakers (SSB) have a fault current limiting function that limit the fault current in power applications. It allows sustained overcurrent for a certain period while preventing the fast fault current increase in dc systems. For the conventional method of using switches alone to limit the current, the high loss results in a short withstand time and low current limiting capability of the SSCBs. Disclosed are various embodiments for a control strategy to use one or more energy absorption components to handle the major part of the energy during a current limiting stage to increase the current limiting capability for series-connected SSCB switching cells.

The embodiment of the invention discloses a job task scheduling method and system based on a computing power resource pool. The method comprises the steps of obtaining a target user identifier and a target scheduling mode through a computing power application portal subsystem, and determining a candidate computing power resource pool partition and a target computing power quota based on the target user identifier; if the target scheduling mode is detected to be a query scheduling mode through the computing power application portal subsystem, obtaining a target job task and a target job demand; performing partition screening on the candidate computing power resource pool partitions based on a target job demand through a computing power scheduling subsystem to determine a target computing power resource pool partition; and controlling the target computing power resource pool partition to execute the target job task based on the target computing power quota through the computing power base platform. Through the technical scheme of the embodiment of the invention, the job task can be quickly and accurately scheduled to the effective computing power resource pool, and the scheduling flexibility and the user experience are improved.

A switched capacitor converter can include a switched capacitor stage comprising a flying capacitor and a ladder of three switching devices. A first switching device can be connected between a DC input of the switched capacitor converter and an AC bus. A second switching device is connected between the DC input and a third switching device. The third switching device can be connected between the second switching device and ground. The flying capacitor can be connected between the AC bus and a junction of the second switching device and the third switching device. The switched capacitor converter can further include an inverter stage having an input coupled to the AC bus and an output that delivers an AC voltage.

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 discloses a laminated high-reliability high-power connection terminal and a manufacturing method thereof, and the method comprises the steps: providing composite ceramic as a substrate layer, carrying out the active treatment, depositing a layer of metal film on the substrate layer to form a first current transmission layer, coating a photosensitive material layer, defining a geometric figure of a multi-layer structure, and carrying out the selective etching. Forming a micro-nano channel structure; a heat dissipation material is deposited between the formed first current transmission layer and the heat dissipation channel, the deposition process is repeated, and a multi-layer stacked structure is constructed step by step; a self-healing polymer material is applied to the junction of the current transmission layer and the heat dissipation layer of the adjacent level to be solidified at the key connection node; and packaging the plurality of insulation protection layers by adopting a hot press molding process to obtain the laminated high-reliability high-power connection terminal. Through the application of a multi-layer stacked structure and advanced materials, the transmission efficiency and the thermal management capability are remarkably improved, and the requirements of high performance and high reliability of the connection terminal in a high-power application scene are met.

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 belongs to the technical field of wireless communication, and more particularly relates to a low-loss high-power radio frequency coaxial cable and leaky coaxial cable, the radio frequency coaxial cable comprises an inner conductor, an insulating layer, an outer conductor layer and an outer sheath layer from inside to outside, and by optimizing the structures of the insulating layer and the conductor, the overall thermal resistivity of the cable is improved, and the overall performance of the cable is improved. And the attenuation performance of the cable and the heat resistance in a high-power application scene are improved. Compared with a high-power cable with a conventional structure, the attenuation test value of the radio-frequency coaxial cable under the specification of 3 / 8 inches is optimized by about 15% compared with the requirement on the premise of meeting the 125 DEG C temperature resistance grade; on the premise of meeting the 105 DEG C temperature resistance grade, the attenuation test value of the leaky coaxial cable under the 1 / 2 inch specification is optimized by about 17% compared with the standard requirement.

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.

A power conversion apparatus includes: a rectifying unit that rectifies an AC voltage input from an AC power supply to convert the AC voltage into a DC link voltage; a capacitor that is charged with a DC link voltage converted by the rectifying unit; a power application unit that converts the DC link voltage with which the capacitor is charged into an AC voltage by switching the DC link voltage, and outputs the AC voltage to a motor; and a control unit that controls the power application unit. The control unit controls the power application unit such that a second beat is superimposed on a motor current, the second beat having a second frequency different from a first beat having a first frequency included in the motor current and having at least one of an amplitude or a phase aligned with the first beat.

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.

The invention discloses a power distribution network operation situation multi-layer data system compatible with front-end early warning and rear-end tracking, and the data system is integrated with a power utilization information collection system of a power grid, a centralized service application system of the power grid and other necessary existing power grid data systems in advance. And constructing by taking power grid appeal risk datamation optimization, power application end attribute optimization and power grid bottom layer distributed port support as data orientation. Meanwhile, according to the structured data processing method deeply developed and constructed in the data system, matching construction of the data process is carried out according to the dynamism and the time-space characteristics of the power demand data and the data development situation of the power demand data in the later period of risk early warning and risk events, and a brand-new data processing flow and a data structure are achieved.

A method for managing power resources in an augmented reality (AR) device is described. In one aspect, the method includes configuring a low power mode to operate on a low power processor of the AR device using a first set of sensor data, and configuring a high power mode to operate on a high power processor of the AR device using a second set of sensor data, the method includes operating a low-power application in a low-power mode based on a first set of sensor data using a low-power processor, detecting a request to operate a high-power application at the AR device, activating a second set of sensors of the AR device corresponding to the high-power mode in response to detecting the request, and transmitting the second set of sensors to the low-power processor. And operating, using the high-power processor, the high-power application in a high-power mode based on the second set of sensors.

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.