351results about How to "Reduce coupling" patented technology

A headset antenna and a connector for the same are provided. The headset antenna includes an audio signal line, an antenna and a high impedance element in specified application frequency ranges. The audio signal line is adapted for transmitting an audio signal and the antenna is adapted for receiving an RF signal. The high impedance element is disposed on a transmission path of the audio signal and generates a high impedance at a specified frequency band of the RF signal, so that the audio signal line is equivalent to an open circuit and the antenna obtains a better receiving capability.

The invention relates to the technical field of motor control, and discloses a hybrid excitation synchronous motor control strategy optimization method and device. The method comprises the following steps: performing mathematical modeling on permanent magnet flux linkage, exciting current and rotor parameters of the hybrid excitation synchronous motor to obtain a state observer equation; collecting current parameters and position parameters, and performing filtering processing to obtain motor operation state parameters; inputting a five-layer deep neural network for current and rotating speed parameter prediction to obtain an optimal current parameter and an optimal rotating speed prediction parameter; constructing a multi-objective function, and solving to obtain a current reference value; inputting the current reference value into a cascade PI controller, and performing voltage regulation through feedforward decoupling control and a space vector pulse width modulation technology to obtain a control voltage signal; and performing performance calculation control parameter optimization on the control voltage signal to obtain a target control parameter, thereby improving the control precision of the hybrid excitation synchronous motor.

The invention provides a cross-platform low-code application development system based on a Flutter framework. Comprising a login registration module, a project management module, an interface design module, a state management module, a route management module, a team management module, a help document module, an AI page design module, a development document generation module, a hardware integration module, a code generation module, a multi-user collaborative development module, a communication module, an online simulator module, an AI generation application module and an interface management module. An asset management module, a developer forum module, an application market module and an application packaging module. The communication module supports various communication protocols and secure transmission modes, and ensures that data exchange applied to cross-platform and cross-system environments is secure and reliable. Through component dragging and graphical configuration, the low-code platform automatically analyzes configuration data to generate an App, a development document and a source code. And meanwhile, multi-person collaborative development is supported, so that the development threshold is reduced and the development speed is increased.

The invention discloses a multi-modal large model automatic evaluation method and system based on Agentic Workflow, relates to the technical field of artificial intelligence model evaluation, and solves the technical problems that an existing large model evaluation method lacks image-text evaluation, is relatively high in subjectivity and is easy to cause illusion. The method comprises the following steps that S1, an input task is analyzed, and a structured task template is generated; s2, generating a multi-round multi-modal task flow chart based on the task template generated in the step S1; s3, based on the flow chart in the step S2, distributing the multi-modal large model component to each task node, executing a task and obtaining an intermediate result; s4, performing multi-dimensional scoring on the intermediate and final results in the step S3 by a plurality of scoring Agents, and fusing to generate an evaluation result; and S5, generating a feedback report based on the process data in the steps S1 to S4, identifying a model short plate, and providing an optimization suggestion. The method has the advantages of comprehensive evaluation of multiple modes, real-time feedback optimization and the like.

The invention discloses an asymmetric radial electromagnetic bearing and a design method thereof, and the asymmetric radial electromagnetic bearing comprises an asymmetric radial electromagnetic bearing stator, an asymmetric radial electromagnetic bearing rotor and a winding coil. The design method of the asymmetric radial electromagnetic bearing comprises the following steps: pre-determining parameters; calculating the electromagnetic force of the asymmetric radial electromagnetic bearing in the X and Y directions; and calculating each structural parameter of the asymmetric radial electromagnetic bearing. Compared with a traditional symmetric radial electromagnetic bearing structure and an asymmetric electromagnetic bearing disclosed at present, the asymmetric radial electromagnetic bearing has the advantages that electromagnetic force coupling in the horizontal and vertical directions is small, control is facilitated, electromagnetic loss is low, and temperature rise of the rotor can be reduced.

The invention provides a shared memory-based data interaction method for an embedded virtualization platform, which comprises the following steps of: dividing a shared memory area, including a management information area and a shared data area, initializing the management information area, including setting a magic number, configuring a mutual exclusion access flag and recording use information of the shared data area; acquiring a physical initial address of the shared memory, verifying the availability of the management information area, and ensuring that the management information area is correctly initialized; a proper data transmission mode is selected according to the data size, small data volume can be directly transmitted through an inter-core communication register, and large data volume is transmitted through a shared memory; the Szymanski algorithm is used to realize mutual exclusion access control, and the consistency of data is ensured; after data interaction is finished, if shared memory resources which do not need to be used any more need to be released, use information in the management information area is updated; and other related operation areas or virtual machines are notified according to needs, and state changes of data interaction are notified to the operation areas or the virtual machines.

The invention relates to a test case execution method and device, equipment and a medium. The method comprises the steps that multiple test cases are analyzed, a mapping file, a variable name and an expression of each test case are obtained, and the mapping files are used for representing the mapping relation between the variable names and the expressions; according to the mapping file, the variable name and the expression of each test case, generating a test code of each test step in each test case; packaging the test codes of the test steps of the same type, and obtaining a code module corresponding to each test step type; and according to a preset execution sequence, calling the code module corresponding to the test step type to which each test step belongs in sequence to obtain test results of the plurality of test cases. According to the technical scheme, the execution efficiency and accuracy of the test case are improved.

The invention relates to the technical field of PCBs, in particular to a method and system for automatically adjusting the line spacing in PCB design and computer equipment. According to the invention, crosstalk between the adjacent signal lines is effectively reduced by reasonably adjusting the distance between the component and the signal line, impedance matching of the signal lines is better controlled by considering electrical characteristic information, and the line distance in PCB design is adjusted by obtaining the characteristic information of the component, so that the impedance matching accuracy of the signal lines is improved. The interference is reduced, the signal integrity is improved, the electrical performance and the reliability are improved, the crosstalk between the signal lines is effectively reduced by calculating the actual distance between the reference line segment and the component pin, the impedance of the signal lines can be ensured to be matched with the component by considering the pin characteristics and the electrical characteristics, and the reliability of the component is improved. Through accurate analysis of the size and characteristics of the middle line segment group, crosstalk between adjacent signal lines can be effectively reduced, coupling of an electromagnetic field can be reduced through a reasonable line spacing, and the definition of signals is ensured, so that the signal transmission efficiency is improved, and the reflection phenomenon is reduced.

The invention discloses a mass data processing method, system and device and a storage medium, and relates to the technical field of Internet of Vehicles. According to the specific technical scheme, firstly, a vehicle end uploads vehicle data to an MQTT Broker cluster, wherein the vehicle data includes but is not limited to real-time data of unique identification, travel and driving of a vehicle; the MQTT Broker cluster receives the vehicle data according to the MQTT theme corresponding to the vehicle data, filters the vehicle data, and sends the filtered vehicle data to a Kafka message queue according to a corresponding theme mapping relation; and finally, the Kafka message queue sends the vehicle data to the platform end according to the Kafka theme subscribed by the platform end. According to the method, the data processing requirement in a mass data scene in the field of the Internet of Vehicles can be met, and the stability, timeliness and high availability of message forwarding are ensured.

The invention belongs to the technical field of software engineering, particularly relates to an automatic driving system performance enhancement method based on an expert hybrid architecture, and aims to solve the core problems that an end-to-end automatic driving system is confronted with semantic fuzziness to cause unreliable decision, multi-task interference hinders optimization planning, too long reasoning delay increases driving risks and the like. According to the method, an ExpertAD framework is provided, task key features are amplified through a perception adapter (PA), and the relevance of scene context understanding is guaranteed; related driving tasks are dynamically activated through a sparse expert mixture (MoSE), and task interference is minimized; and in combination with a customized training loss function, collaborative optimization of planning effectiveness and reasoning efficiency is realized. Experiments show that compared with an existing method, the method has the advantages that the average collision rate is reduced by 20%, the reasoning delay is reduced by 25%, higher multi-skill planning capacity is achieved in rare scenes (such as accident handling and first-aid vehicle avoiding), and good generalization is achieved for unseen urban environments.

The invention relates to the technical field of log monitoring, in particular to an index log processing method, device and system. The method comprises the following steps: receiving a statistical log in a preset format output by a service system; matching an expanded index object according to the statistical log, and processing the statistical log by using the expanded index object to obtain a business index; converting the business index into a target index conforming to a three-party monitoring system format; and transmitting the target index to the three-party monitoring system, so that the three-party monitoring system displays the target index in a corresponding display form. Therefore, the problems that existing log monitoring is low in development efficiency, high in business code coupling, poor in robustness and the like can be effectively solved.

The invention relates to the technical field of precision positioning tables, and discloses a heavy-load piezoelectric deflection table which comprises a shell, an amplification piezoelectric driver and a moving carrier plate. The shell comprises a hollow rectangular-ambulatory-plane rectangular ring cavity. And the amplification piezoelectric actuator is arranged in the rectangular ring cavity. And the amplification piezoelectric drivers comprise two X-axis amplification piezoelectric drivers, two Y-axis amplification piezoelectric drivers and four Z-axis amplification piezoelectric drivers. And the moving support plate is arranged above the amplification piezoelectric actuator and comprises a rectangular annular X-axis moving support plate, a rectangular annular Y-axis moving support plate and a rectangular annular Z-axis moving support plate. The XY-axis movement carrier plate comprises an X-axis movement carrier plate and a Y-axis movement carrier plate. The X-axis amplification piezoelectric actuator, the Y-axis amplification piezoelectric actuator and the Z-axis amplification piezoelectric actuator are connected in series in the X-axis plane, the Y-axis plane and the Y-axis direction, so that thetaX-axis deflection and thetaY-axis deflection and Z-axis linear motion are achieved. The system has the advantages of small series structure coupling, high bearing capacity, high closed-loop repeated positioning precision and high adaptability.

The invention provides an intelligent gateway communication protocol conversion implementation method and system, and belongs to the field of industrial communication gateways. The method comprises the following steps: according to each communication protocol of each device, executing loading of each corresponding communication protocol packing and unpacking program, and executing registration of each corresponding communication protocol packing and unpacking interface; loading of the device variable definition file corresponding to each device and loading of the device communication instance definition file corresponding to each device are executed respectively; wherein the device variable definition file and the device communication instance definition file are both defined by a preset dynamic programming language; and based on the device variable definition file, the device communication instance definition file and the communication protocol packing and unpacking program corresponding to each device, executing a communication instance corresponding to each device, and carrying out data transmission among the devices. According to the method, the coupling of each module of the program is reduced, the complexity of hard coding is reduced, the multiplexing capability of each functional module of the program is further improved, and the universality of the communication gateway program is higher.

The invention provides a vehicle data display method and system, computer equipment and a vehicle, and the method comprises the steps: reading vehicle data pre-written into a vehicle instrument through a first thread, and analyzing the vehicle data read by the first thread; and setting part or all of the vehicle data in the structural body data based on the analysis result, reading the structural body data through a second thread, performing logic control configuration on the vehicle instrument mode, and generating an extensible markup language file based on a logic control configuration result and the structural body data; and finally, using a preset display engine to associate the extensible markup language file to carry out picture rendering, and displaying a picture rendering result in the vehicle instrument according to a vehicle instrument mode. According to the method and the device, code logic control can be performed through two independent threads, and then picture rendering is completed through the display engine, so that logic control and picture display are mutually independent, coupling can be reduced, and compatibility of more types of instrument themes is facilitated.

The invention discloses a biaxial complete decoupling cutter servo device and a design method thereof, and the biaxial complete decoupling cutter servo device comprises a compliant mechanism platform, a piezoelectric stack I, a piezoelectric stack II, a diamond cutter, a measuring baffle plate, a capacitive displacement sensor I, a capacitive displacement sensor II and an upper cover plate, the diamond cutter is installed on the cutter holder platform, the compliant mechanism platform further comprises a topology compliant mechanism, a first input guide mechanism, a second input guide mechanism and an output guide mechanism, the output guide mechanism is located at the front end of the compliant mechanism platform, and the rear end of the topology compliant mechanism is connected with the front end of the first input guide mechanism and the front end of the second input guide mechanism. According to the method, the compliant mechanism is designed by adopting a topological optimization method, and the optimal mechanism configuration-parameter design can be sought under the condition that a design domain and specified input and output effects are given and a series of constraint conditions are met, so that the mechanism performance is optimal.

The invention relates to a missile-borne antenna and a missile-borne device. The missile-borne antenna comprises an antenna reflecting plate; each first antenna comprises a first dielectric layer, a first radiation patch and a first circuit board, the first dielectric layer is located on one side of the first circuit board, and the first radiation patch is located on the side, away from the first circuit board, of the first dielectric layer; the first radiation patch is used for receiving a first feed signal through the first antenna feed pin so as to transmit a first satellite positioning signal under the excitation of the first feed signal; the second antenna comprises at least one second radiation branch knot and a second circuit board, each second radiation branch knot is located on one side of the second circuit board, each second radiation branch knot is spiral, and the extending direction of each second radiation branch knot is perpendicular to the plane where the second circuit board is located; and the second radiation branch knot is used for receiving a second feed signal so as to transmit a second satellite positioning signal under the excitation of the second feed signal. The missile-borne device comprises the missile-borne antenna.

The invention discloses a task scheduling method and system for an application system, a storage medium and electronic equipment, and the method comprises the steps: recognizing the message information of a task description file, and obtaining a configuration file and a task; starting the application process, and writing the configuration file; initializing a framework library, a dynamic runtime library and a component application program; creating a task execution framework based on the configuration file and the framework library; loading a framework library and a component application program based on the task; the dynamic runtime library sets task execution time and executes tasks, the trigger module detects whether trigger information is received or not, if yes, a trigger strategy is determined, and plug-ins in the component application program are called; the process tasks are uniformly managed and controlled by the task management module and are placed in the thread pool to be processed, the problem that the application randomly opens the thread to execute the tasks is avoided, the report state of the tasks can be monitored in real time, the multiple tasks are scheduled to the dynamic runtime library during execution, and the size of a code file is reduced while the influence range of modification is reduced.

The invention provides an OTA control method and system and a computer readable storage medium. The method comprises the following steps: receiving a control instruction sent by an OTA server in bidirectional communication connection with an OTA master; analyzing the control instruction, and determining a target ECU and a control operation; and calling an interface corresponding to the control operation, and sending a service request to the vehicle-mounted communication equipment which provides the hardware service for the OTA master. And sending the service request to the vehicle-mounted communication equipment, so that the vehicle-mounted communication equipment responds to the service request, calls hardware resources required by the service request, executes control operation and sends a control instruction to the target ECU to complete control of the target ECU. According to the invention, through the modularized development of the OTA master, the OTA master interacts with the vehicle-mounted communication equipment through a clear interface and a protocol, the coupling degree between OTA software and hardware is reduced, integration of a new technology and a new function can be rapidly adapted, and the maintenance cost is reduced.

The embodiment of the invention discloses a display panel, a driving method and a display device. The display panel comprises a pixel circuit and a light-emitting element. The pixel circuit comprises a data write-in module, a driving module and a compensation module, the compensation module is configured to be controlled by a first scanning signal, the data write-in module is configured to be controlled by a second scanning signal, V11 is smaller than V11 ', or V11 is smaller than V12; wherein V11 is the high-level voltage of the first scanning signal in the refresh frame, V11'is the high-level voltage of the first scanning signal in the holding frame, and V12 is the high-level voltage of the second scanning signal in the refresh frame. According to the embodiment of the invention, the compensation module can be prevented from generating leakage current in the light-emitting stage of the refresh frame, or the compensation module can be prevented from being turned off in the bias adjustment stage of the holding frame, so that the voltage of the grid of the driving transistor is stabilized, deviation between the light-emitting brightness of the light-emitting element and the target brightness is prevented, and flicker and abnormal splash screen phenomena of the display panel are avoided.

The invention relates to the field of Web end detail lists, and discloses a linkage switching method based on a Web end detail list, which comprises the following steps of: defining a PaginationManager class by using an object-oriented programming mode, and uniformly packaging an index, a page number and switching logic in a constructor function; the method comprises the following steps of: globally registering an instance object of a PaginationManager in a Vue application, and mounting the instance object of the PaginationManager in a Vue. Prototype; in a life cycle hook of the list page, calling a paginationManager method to initialize an index corresponding to the paging information and the current details; when a user clicks a detail button in the list, recording the current page number and index by calling a relevant method of paginationManager, and then skipping to a detail page; in the detail pages, the user clicks the previous page or the next page; in the list page, a paging event from the detail page is listened using a subscription mode. The method has the advantages of being low in code coupling and convenient to reuse.

The invention relates to the technical field of recommendation engines, in particular to a personalized recommendation engine system and method based on multiple Agents. According to the technical scheme, the personalized recommendation engine system and method based on the multiple Agents comprise a content analysis module; compared with a traditional multi-Agent-based personalized recommendation engine system, the multi-Agent-based personalized recommendation engine system has the advantages that a relatively fixed system architecture is often adopted, the coupling degree between modules is relatively high, the flexibility and the expandability of the system are limited, meanwhile, a used personalized recommendation algorithm may be relatively single, or although multiple algorithms are used, an effective fusion mechanism is lacked, and the system is relatively low in cost. According to the personalized recommendation engine system based on the multiple Agents, a modular design idea is adopted, so that each Agent can independently complete a specific task and can cooperatively work with other Agents, meanwhile, the coupling degree between modules is reduced, the flexibility and expandability of the system are improved, and the user experience is improved. Therefore, the system can be customized and optimized according to different requirements and scenes.

The invention discloses a high-power motor servo drive software architecture and a construction method thereof, and belongs to the technical field of motor servo, the high-power motor servo drive software architecture sequentially comprises a hardware configuration layer, an interface platform layer, a protocol abstraction layer, an application layer and a scheduling management layer from bottom to top, and the layers are fully decoupled; the hardware configuration layer realizes peripheral initialization for hardware details hidden in the upper layer; the interface platform layer directly accesses a register to quickly access data; the protocol abstraction layer is responsible for data format conversion and ensures interlayer communication; the application layer integrates a control algorithm and fault processing; the scheduling management layer is responsible for optimizing resource allocation and task scheduling; according to the high-power motor servo drive software architecture and the construction method thereof, the problems of high software coupling degree and poor expansion reusability in the prior art can be solved, and the development and test efficiency and the system stability and reliability are improved.

The invention discloses a pavement crack accurate extraction method and system based on multi-scale image segmentation, and belongs to the technical field of pavement detection, and the method comprises the steps: obtaining a to-be-detected pavement image, carrying out the brightness normalization and geometric correction of the pavement image, and constructing a multi-scale image set with different resolutions; generating a spatial texture channel and a spectral domain response channel for each scale image in the multi-scale image set, and fusing the spatial texture channel and the spectral domain response channel to obtain a spectral-space coupling input tensor, wherein the spectral domain response channel is obtained by extracting energy characteristics of a plurality of frequency bands after performing spectrum transformation on the scale image; a multi-scale image set is constructed for road surface images, and coupling expression of spatial texture information and spectral domain response information is introduced, so that feature consistency of fine cracks under different resolutions is enhanced, and scale drift and response distortion caused by shadows, light reflection and seam textures are inhibited at the same time; therefore, the separability and the stability of the crack in a complex scene are improved.

The invention provides an active vibration control method based on a four-rotor centrifugal actuator, relates to the field of active vibration control, and solves the problems of limited control effect and high algorithm complexity of active damping, FxLMS algorithms and the like which are widely used in an active control system. According to the technical scheme, the method comprises the steps of collecting vibration signals at the controlled vibration characteristic frequency and a measuring point, iteratively updating the amplitude and phase of an actuating force, decomposing the amplitude and phase information of the actuating force to a position ring and a rotating speed ring of each motor of the four-rotor centrifugal actuator, and finally achieving coupling synchronous control over the four motors. Compared with an existing vibration active control strategy based on the four-rotor centrifugal actuator, the method provided by the invention has the advantages that the complexity of an active control algorithm is reduced, meanwhile, the coupling degree of four-motor synchronous control is reduced, and the practical value is higher. The method is suitable for active vibration control of helicopters and ships.

The invention relates to the technical field of vehicle-mounted services, and discloses a vehicle body control arbitration method and device based on SOA service, and the method comprises the steps: obtaining a new external request, and obtaining a request service type and request time of the new external request through analyzing the new external request; judging whether the new external request conflicts with the current external request set to be processed or not; if the conflict exists, performing external conflict arbitration to obtain a first external arbitration result; performing format conversion on the new external request to form a new external command; judging whether the new external command conflicts with the current local command set to be processed or not; if the conflict exists, performing local conflict arbitration to obtain a first local arbitration result; and driving the area controller according to the first local arbitration result. According to the invention, the priority and conflict problems between the vehicle body control local end and the remote end are solved, the equipment processing resources are saved, the system compatibility is greatly improved, and the coupling degree of service and signals is reduced.

The utility model relates to the technical field of antenna structures, and provides a dual-port omnidirectional antenna, which comprises a dielectric substrate; the first antenna main body unit and the second antenna main body unit are arranged on the same surface of the dielectric substrate, the frequency bands of the first antenna main body unit and the second antenna main body unit are different, and the first antenna main body unit and the second antenna main body unit are arranged at intervals along the diagonal line of the dielectric substrate; the first antenna main body unit comprises a main body part and a first extension branch, the first extension branch bends and extends from one end, close to the second antenna main body unit, of the main body part and is spaced from the main body part to form a resonant filtering structure, and the resonant filtering structure is used for generating a radiation zero point in a corresponding frequency band of the second antenna main body unit; the second antenna main body unit is provided with a bending slot, the bending slot is used for generating a radiation zero point in a corresponding frequency band of the first antenna main body unit, and the dual-port omnidirectional antenna is beneficial to miniaturization, good in isolation and excellent in radiation performance.

The invention provides an implementation method for switching a client among multiple working areas in a Wayland environment, which belongs to the technical field of Wayland synthesizer development and comprises the following steps of: step 1), initializing, namely initializing a Wayland synthesizer and initializing multiple working areas; the method comprises the steps of (1) establishing a working area, (2) establishing a client and adding the client into the working area, (3) moving the client to the working area, and (4) moving the client out of the working area. The method adopts a way based on a Wayland linked list, realizes a function of switching the client among multiple working areas at a Wayland synthesizer end, reduces data interaction between the client and the synthesizer, and saves time and resource cost.

The invention belongs to the technical field of production testing in the manufacturing industry, and particularly discloses a production testing system and method based on the manufacturing industry, a terminal and a medium, and the system comprises a back-end service layer which is in communication connection with a front-end service layer for information interaction, dividing the business logic of the production test into a plurality of business modules which can be independently managed through a module registration mechanism; the equipment interaction layer comprises an equipment driving interface, at least one equipment driving plug-in and an equipment communication unit; and the system integration layer is used for carrying out information exchange with a manufacturing execution type service system through a standardized data interaction mode so as to obtain and send the production test data. Test data is aligned with a manufacturing execution type business system through a standardized data interaction mode, connection between a production test link and manufacturing process management is realized, and the overall cooperative capability of a production line is improved.

The invention discloses a breathing machine waveform classification and identification method based on improved YOLO target detection, and the method comprises the steps: 1, obtaining a normal breathing machine waveform image and an abnormal breathing machine waveform image as a training sample, and enabling the training sample to represent the corresponding relation between the shapes and parameters of different breathing machine waveforms and the mechanical ventilation states of the different breathing machine waveforms; step 2, performing batch labeling on the obtained training samples, obtaining mechanical ventilation state text information corresponding to the breathing machine waveform image and position information corresponding to the breathing machine waveform in the training samples, and establishing a breathing machine waveform recognition library; 3, introducing an improved preprocessing module, processing a training sample by using an improved YOLO target detection algorithm training model, and carrying out breathing machine waveform image classification and recognition training to obtain a breathing machine waveform image classification and recognition model; and step 4, completing automatic classification and identification of the breathing machine waveform image by using the breathing machine waveform image classification and identification model. According to the method, the waveform of the respirator can be detected online in real time, and the abnormal waveform classification accuracy is high.

The invention discloses a plug-in type government affair software development and deployment method and system based on spring, belongs to the technical field of software development, and aims to solve the technical problem of how to improve the flexibility and high availability of government affair software. Comprising the following steps: after a plug-in is normally debugged in a runner of a main container, packaging the plug-in into a plug-in packaging file in a jar format; and uploading the plug-in packaging file to a runner of a formal environment, registering the plug-in to nacos based on an address of the plug-in in the formal environment, loading the plug-in of a new version in the formal environment in a hot deployment mode, testing the plug-in, and if the plug-in does not pass the test, rolling the plug-in back to a previous version.