102 results about "Software implementation" patented technology

The invention discloses a DAC (Digital-to-Analog Converter) output voltage control method, system and equipment based on stepping delay and a medium. The method comprises the following steps: acquiring the current output voltage of the DAC as an initial voltage value; receiving a target voltage value and a set value of a target slope parameter; the target slope parameter comprises a target step length and a target delay; and controlling the initial voltage value to gradually change from the target slope to the target voltage value through the target slope parameter. The method is realized without depending on a hardware circuit, the DAC can change the output voltage according to the set slope parameter through a software implementation process, and the requirements on the DAC output voltage slope in different scenes can be met. According to the method, the target slope parameter and the target voltage value can be changed at any time in the DAC output voltage adjusting process, the DAC output voltage is controlled to be changed into the new target voltage value according to the new slope parameter, and no error exists in the software running process. The method is easy to modify and migrate and has high universality.

The invention discloses a business full-process generation system and method based on an enterprise knowledge graph enhancement model, and belongs to the technical field of intelligent software codes, and the system comprises a perception and understanding engine which is used for receiving and analyzing the multi-modal original data of an enterprise by using a preset industry knowledge enhancement model, obtaining analysis content, and generating an enterprise knowledge graph enhancement model; constructing a business knowledge graph based on the analysis content; the design and planning engine is used for performing automatic design of the system architecture based on the business knowledge graph to obtain a design scheme blueprint; and the construction and delivery engine is used for generating a plurality of code components based on the design scheme blueprint and assembling and deploying all the generated code components to obtain a software system. The system can improve the current situation of serious disjunction between service cognition and software implementation.

The invention relates to the technical field of satellite-borne edge computing, and provides a satellite-borne distributed efficient data distribution system which comprises a computing processing module which is provided with a DDS and is used for processing satellite-borne computing tasks; the containerization module is used for packaging the application program and the DDS into a container; the dynamic unicast routing module is used for carrying out data routing among heterogeneous equipment and planning a data transmission path so as to deal with the situation that links are uncertainly connected and disconnected in a complex space environment; the ddrouter virtual multicast routing module is used for realizing forwarding of multicast routing by software and overcoming the dependence of a DDS service discovery stage on a hardware multicast routing function under a multi-hop network; the QoS configuration module is used for flexibly configuring QoS and multiple transmission modes to adapt to data stream transmission requirements under different task scenes; and the distributed consistency guarantee module is used for keeping the satellite data consistency through leader election and a log replication mechanism. The method aims to solve the problems of low data distribution efficiency, poor consistency, difficulty in heterogeneous adaptation and the like in a satellite-borne edge computing scene.

Embodiments of the present disclosure provide a data transmission method, a device, a storage medium, and a program product. The embodiments of the present disclosure provide a software-implemented RDMA memory page fault solution: when acquiring data from a remote memory, a remote end maps a page-faulted virtual memory into a specific physical memory region, allows for the occurrence of a memory page fault in an RDMA process, and adds a memory page fault processing flow between a local end and the remote end to implement memory page fault processing; and when writing data into the remote memory, the remote end provides a shared virtual memory and a private virtual memory and exposes the shared virtual memory to the local end, the local end writes data into the shared virtual memory, and then a remote control object migrates the data to the private virtual memory, wherein memory page faults are allowed to occur and be processed during the migration. Since memory page faults are allowed to occur and page fault processing is supported, dynamic allocation of physical memory resources is supported during the RDMA process, thereby improving the utilization of memory resources while leveraging the advantages of RDMA.

The invention discloses an instant heating self-adaptive control method and system, a storage medium and water purifying equipment, the system comprises a sensor layer, a controller layer and an actuator layer, the controller layer comprises a partition heat balance model module, a feedforward-feedback cooperative controller, an online parameter identification module and a safety protection module, based on self-adaptive feed-forward control and online parameter identification of the partition dynamic heat balance model, the problems that a traditional method is slow in response, poor in precision and weak in adaptability are solved by conducting partition modeling on the heating waterway and identifying model parameters in real time and combining feed-forward and closed-loop cooperative control, the response speed is high, constant-temperature precision is high, long-term stability is good, safety is high, and the method is suitable for large-scale popularization and application. The method is high in adaptability and good in universality, and can adapt to heaters of different power levels and sensors and actuators of different types based on a control algorithm realized by software, so that the product platform development cost is reduced.

The invention discloses a software interaction system and method for promoting virtual-real fusion landing of meta universe, and belongs to the technical field of virtual-real interaction. The method is realized by pure software, and supports two modes of exchanging virtual assets for entity commodities and automatically returning the virtual assets after the entity commodities are purchased. The system accesses a digital platform through a standardized interface to complete asset verification, cancel-after-verification and voucher generation, supports delivery modes such as logistics distribution, store cancel-after-verification and offline self-pick-up, can automatically return virtual assets when purchasing entity commodities, and does not need a user to upload a voucher. The method breaks through the interaction barrier between the digital world and the physical world, is suitable for platforms such as games, movies and televisions, music and cartoons, realizes virtual-real two-way automatic intercommunication, and has high practicability and commercial value.

The application discloses a kind of conversion method and system of timing sampling data to whole cycle sampling data, and the present application obtains the timing sampling time based on the keying position moment when obtaining keying position moment by timing sampling, according to the timing sampling time and the vibration signal of timing sampling, obtains the vibration signal of whole cycle sampling, effectively realizes the conversion of timing sampling data to whole cycle sampling data, can make timing sampling acquisition system realize whole cycle sampling function, and the present application can be realized by software, without changing the hardware structure of timing sampling acquisition system, without increasing hardware investment.

The application discloses an audio processing method, device, medium and terminal equipment, the audio processing method can be applied to the terminal equipment, the layered system of the terminal equipment includes an abstract layer and an audio drive layer, the method comprises the following steps: the abstract layer obtains the first audio data stream of the audio file to be played at the first moment, and caches to the cache space of the abstract layer; the abstract layer decodes and post-processes the first audio data stream by starting a thread, and obtains the first decoded data stream; the abstract layer transmits the first decoded data stream to the audio drive layer, and caches to the cache space of the audio drive layer. The method can realize the function of the analog hardware data signal processor by means of software, realize the decoding and post-processing of the audio data stream, so that the hardware cost is saved.

The application provides a T-type three-level inverter output voltage transient fast compensation method, and relates to the field of power electronic control, which collects three-phase output voltage and current in real time, and obtains voltage vector sequence in two-phase static coordinate system through Clarke transformation. The real-time average radius and offset vector of voltage vector trajectory are calculated through sliding window, the radius deviation rate and offset rate are calculated, and compensation is triggered when any index exceeds the preset threshold. According to the distortion type, the required compensation deviation of each phase is calculated, the compensation priority is determined according to the compensation deviation absolute value, and the single tube compensation is preferentially selected based on the compensation deviation polarity and the phase current direction. When the amplitude is insufficient or the current direction is not matched, the double tube combination is started. The selected switch tube drive pulse is shielded, the switch function is reconstructed to execute compensation, and iteration verification is carried out until the voltage trajectory is restored to be circular. The application is realized by pure software, does not change the original control architecture and topology mode, guarantees the dynamic voltage transient to meet the standard, and does not deteriorate the harmonic quality.

Various embodiments of the teachings herein include an automated method for data access to a device by an external client, allowing the device to communicate with an internal communication network while the external client communicates with an external communication network. An example method includes: sending a communication access request from the external client for the device to a software implemented application access point; configuring a corresponding software implemented connector using the application access point, so the connector acts as an endpoint for a communication tunnel to the device; configuring a corresponding software implemented policy decision point using the application access point as an interface to the external network for arriving of application data traffic of the external client, so the policy decision point is set up to validate, accept, and forward the access request of the external client to the connector; and accessing the device via the communication tunnel.

The invention discloses a bilinear interpolation algorithm real-time hardware implementation method and system based on an FPGA, and belongs to the technical field of image processing. In order to solve the problems that traditional software is high in implementation delay and an existing hardware scheme is large in resource consumption, the invention designs a full-parallel pipeline architecture: an input interface module analyzes image data; the coordinate calculation module maps a target pixel coordinate to an original image continuous coordinate, and generates four nearest neighbor reference pixel coordinates and weight coefficients; the weight generation module adopts Q16 fixed-point quantitative weight; the reference pixel cache module caches two rows of reference data through a dual-port BRAM; the multiply-add calculation module realizes parallel multiply-add operation by using multiplier time division multiplexing; and the control module integrates boundary detection and clamping logic to ensure the legality of coordinates. According to the invention, single-cycle processing of 1 pixel is realized, the throughput is greater than 150M pixel / second, 4K and 30fps real-time processing is supported, the DSP occupancy rate is reduced by more than 60%, single-chip integration on a low-cost FPGA (Field Programmable Gate Array) can be realized, and the method is suitable for scenes such as video monitoring, machine vision and the like.

The invention discloses a medical laboratory automation system based on OPC. The medical laboratory automation system comprises an upper computer control layer, a business logic layer, a communication layer, an execution layer and a database layer. The upper computer control layer adopts WinCC configuration software to realize experiment monitoring and visualization; the business logic layer is responsible for task scheduling management based on a Java application program; the communication layer realizes real-time data interaction among the layers through an OPC protocol; the execution layer comprises a PLC control module, an AGV transportation unit and a collaborative robot unit, and completes experiment operation in a collaborative manner. And the database layer stores the whole-process data. According to the system, by establishing an OPC UA real-time communication link between Java and WinCC, instruction and state feedback delay is remarkably reduced, and data synchronization reliability is ensured; an intelligent scheduling algorithm and a fault-tolerant control mechanism are combined to realize efficient execution of tasks and dynamic allocation of resources; by constructing a complete processing closed loop, the automation and intelligence level of a medicine laboratory is effectively improved, manual intervention is greatly reduced, and the experiment efficiency and the result reliability are improved.

The invention provides a power grid asymmetric fault ride-through control method based on a synchronous rotating coordinate system, and the method comprises the following steps: S1, obtaining a three-phase voltage signal of a power grid, and carrying out the positive-sequence component phase locking of the three-phase voltage signal; a positive sequence power grid voltage phase angle is ingeniously used as a unified phase reference, a negative sequence dq synchronous rotating coordinate system is constructed, and direct giving and closed-loop control of negative sequence reactive current are achieved. According to the method, the phase information of the negative sequence power grid voltage does not need to be additionally acquired or calculated, so that the complex design of configuring an independent phase-locked loop for a negative sequence component in a traditional scheme is avoided. Due to the fact that the constructed negative sequence control coordinate system can convert the target negative sequence reactive current into direct current, the whole control loop can be adjusted through a classic linear controller (such as a PI controller) which is simple in structure and reliable in performance, and on the premise that the necessary negative sequence component extraction function is reserved, the target negative sequence reactive current can be extracted. And the design complexity and the software implementation difficulty of the controller are greatly reduced.

This invention discloses a dynamic aerial wireless mission network planning method and system based on multi-agent reinforcement learning. It addresses the problems of low planning efficiency, insufficient collaborative optimization capabilities, poor training stability, and difficulty in providing real-time, reliable, and globally efficient planning schemes in existing technologies. It achieves a reproducible, verifiable, and deployable software implementation to improve engineering usability. The method includes: configuring a corresponding agent for each service subnet; wherein the agent pre-loads a trained policy network; at each decision moment, each agent collects local observation states and inputs them into the corresponding policy network to obtain the optimal pairwise link switching action; each agent, based on the action, controls the connection and disconnection of communication links between UAVs within the corresponding service subnet, updating the network topology of the corresponding service subnet; until the mission ends, the network planning result in the mission time domain is obtained.

The application discloses a high-performance block cipher construction method and device, electronic equipment and a storage medium, wherein the method comprises: an encryption process: using a preset round function generation algorithm to encrypt plaintext to obtain ciphertext, wherein a round key in the preset round function generation algorithm is obtained by performing position permutation on 32 positions in units of 4 bits through a 128-bit key scheduling algorithm; and a decryption process: decrypting the ciphertext through a decryption algorithm to obtain the plaintext. Thus, the problem that the existing block cipher algorithm has high resource occupation when hardware is efficiently implemented, and has low software implementation efficiency is solved.

The application discloses an intelligent friction pendulum isolation bearing and a state monitoring and fault diagnosis system. First, finite element analysis and calculation are carried out on the friction pendulum isolation bearing, so that the hysteresis curve and stress threshold change characteristics of the bearing under the operating condition are obtained; second, the hardware of the bearing state monitoring and fault diagnosis system is built, and the real-time acquisition and transmission of the stress, acceleration and displacement state of each component unit in the bearing and the overall structure of the bearing are completed; third, the system application sensors are accurately arranged according to the finite element analysis result; and finally, the pre-processing, deep learning and information storage of the multi-element data are realized in combination with the software of the bearing state monitoring and fault diagnosis system. The application can timely and accurately monitor and evaluate the operating state of the bearing and analyze and diagnose the health state of the bearing, so that the fatigue damage and structural damage of the bearing caused by the influence of operating conditions, environment and other factors for a long time are prevented, and the reduction of the operating reliability and service safety of the bearing is avoided.

Implementations of an architecture for network processing per operational component using fixed function logic closely coupled to programmable logic and software are provided. One aspect provides an integrated circuit device for network processing, the device including a combinable processing pipeline including a programmable on-operation component and a fixed function logic on-operation component closely coupled with programmable logic and software. The apparatus further includes a compute complex component including processing circuitry implementing software for controlling the programmable per-operation component and the fixed function logic per-operation component, where for the first processing pipeline, the processing circuitry is configured to perform the first function using the programmable per-operation component; and for a second processing pipeline, the processing circuitry is configured to perform a second function per operational component using fixed function logic.

A reconfigurable configuration method, system and application based on waveform grouping belong to the technical field of satellite communication, and specifically comprises the following steps: dividing L groups according to waveform frequency domain characteristics, carrying out hardware unified design by taking a waveform with the maximum resource demand as a reference, ensuring that pins of each group are mapped consistently, and setting a unique ID (Identity); software is divided into a front-end public processing part and a rear-end demodulation decoding part, and a rear-end function module unified type is a configurable item; through independent configuration loading, software is dynamically loaded for each packet, and flexible reconstruction of a single packet waveform function is realized without influencing other packet services. Through the hardware modularization unification and software modularization reconfigurable design, the hardware complexity and the number of software configuration items of the multi-waveform system are reduced, and the flexibility and expandability of the system are remarkably improved under the condition that resources are limited.

The embodiment of the invention discloses an interface interaction control method, a computer system, equipment and a computer storage medium. According to an interface type of a target virtual interface indicated by the creation request, creating a target virtual computing power device corresponding to the interface type in a target virtual environment, responding to a deep learning request of the target virtual environment through the target virtual computing power device, and forwarding the request to a host machine, and scheduling a physical computing power device corresponding to the interface type to respond to the request, and returning a processing result of the request to the target virtual environment through a target virtual computing power device. According to the method, virtualization is carried out from a software interaction level instead of virtualization of computing power hardware, the scheme is completely realized based on software, and a physical GPU is not required to have any special virtualization hardware function, so that almost all mainstream and even old models of GPUs on the market and accelerators such as NPUs with different architectures can be managed. And the user does not need to pay for expensive virtualization dedicated hardware and software license, so that the virtualization deployment cost is reduced.

The invention discloses a simple interface data modification and storage software implementation method based on a localized real-time operating system, a storage medium and electronic equipment. The method comprises the following steps: displaying interface content numerical values; selecting an interface numerical cursor left and right; the interface numerical value changes up and down numerical values of the current cursor; judging the change of the interface exit value; performing interface quit numerical value border-crossing judgment; and the interface quits numerical value storage. Compared with an existing GUI engine, the method has the advantages that the method is simpler and more suitable, a user can easily master and implement the method, and few system resources are occupied, the setting efficiency of the generator set controller setting interface is greatly simplified, the efficiency of the generator set controller setting page is improved, and the user experience is improved. A user only needs to carry out corresponding parameter modification and storage through several simple and easy-to-understand steps such as page numerical value display, cursor switching, numerical value modification under a current cursor, numerical value storage after modification and data border crossing prompt, an interface is set to be in a picture type, all contents under a menu can be displayed, and the menu is clear and easy to understand compared with a list menu.

The invention relates to the field of fan control, and discloses a fan control method and device based on an FPGA and a storage medium. The method comprises the steps that a master control system sends a standby instruction to a fan slave system; the master control system sends a control instruction to the fan slave system; the fan slave system judges whether the slave address is consistent with a preset fan slave address or not; if yes, whether the register address belongs to a preset rotating speed control address or not is judged; if not, judging whether the register address belongs to a preset state reading address or not; reading the state pulse signal from the register address, and sending the state pulse signal to a main control system; and performing operation processing on the data of the register address, generating an operation result, and sending the operation result to a main control system. In the embodiment of the invention, the technical problems of high CPU (Central Processing Unit) resource occupation and large load of a main processor caused by fan control and communication protocol transmission realized through software are solved.

The invention belongs to the technical field of software testing, and particularly relates to an automatic testing method for automatic flight control software, which comprises the following steps of: calling different units and parts of the automatic flight control software through a configured interface; and unit-level, component-level and configuration item-level curve consistency testing of the automatic flight control software can be realized under the condition that the software is not changed. And the random input test method is designed, the random model can be generated by converting the system model, the system model does not need to be changed by developers, and the use difficulty of the developers is reduced. And by designing an automatic comparison script of the test data, whether the test is passed or not and specific information of the data which does not pass the test are clearly displayed to developers. The automatic testing method is flexible to use, high in reusability and simple to operate, the testing efficiency can be remarkably improved, and the correctness of software implementation is ensured.

The invention relates to a PCDU automatic impedance testing system and method based on DAQ970, belongs to the technical field of spaceflight electronic testing, and designs a PCDU automatic impedance testing system and method based on DAQ970, and belongs to the technical field of spaceflight electronic testing. The system comprises a DAQ970A data acquisition unit, an extensible switch matrix, a dynamic compensation correction circuit and an upper computer software platform. A to-be-tested channel is gated through the switch matrix, after the DAQ970A collects original impedance data, the impedance error of a test path is eliminated in real time through the dynamic compensation correction circuit, and automatic test process control and data interpretation are achieved through upper computer software. According to the invention, the problems of low efficiency and poor precision of the traditional manual test are solved, the milliohm-level impedance test of more than 120 cores and multiple interfaces is supported, the error is less than or equal to 0.1 m omega, the test rate reaches 40 channels per second, and the quality verification efficiency of the spacecraft power supply system is obviously improved.

A sand mold 3D printing method for complex pump shell parts of a spaceflight liquid rocket engine is characterized in that a proper process scheme is designed and a reasonable positioning mode is determined according to product structure characteristics and sand mold 3D printing process characteristics, and rapid verification of a casting scheme is realized by applying digital analogue simulation software; the problem that a sand mold 3D printing technology is applied to complex pump shell parts is solved, and the purposes of rapid production and rapid verification of products are achieved. The sand mold 3D printing process is mainly used for sand mold 3D printing process manufacturing of high-working-condition and complex-stress pressure-bearing type complex aluminum alloy pump shell parts with the variable cross-section vortex channels, the development period can be greatly shortened, the size precision and the size stability can be improved, the problem that a mold needs to be produced before design and verification in traditional casting is solved, the assembly number is reduced, the casting application range is expanded, and the production cost is reduced. Technical support is provided for the advanced design concept, and meanwhile a solid foundation is laid for high-quality and efficient production of products.

The application discloses a file management method based on a RAID card, a storage medium and computer equipment. The method comprises the following steps: creating a lower RAID volume and an upper RAID volume of an Overlay volume based on a RAID card; writing basic common files into the lower RAID volume, wherein the data in the basic common files is associated with corresponding logical block addresses; and storing an initial mapping table in the upper RAID volume, wherein the upper RAID volume is also used for storing modified data of the basic common files, the mapping table is used for mapping the logical block addresses associated with the data in the Overlay volume, and the modification state of each logical block address is recorded. Through the above method, the application can realize the logical block address level Overlay based on the RAID hardware, is favorable for reducing the space waste of the existing software implemented file system, enables the newly created Overlay volume to quickly locate and access data, improves the read-write performance of the Overlay, can be compatible with various file systems, and has wide applicability.

The application provides a log processing method and device, electronic equipment and a storage medium, the method comprising: receiving a first interrupt instruction sent by a server host; receiving a log file sent by the server host via a target storage space, reading the log file from the target storage space based on the first interrupt instruction, determining a read file and writing the read file into a target file; wherein the target storage space is a shared memory obtained by mapping a storage space of the BMC into a server host memory. The application sends system logs obtained by the server host to the BMC side via the target storage space of the shared memory, does not need to occupy other devices, reduces the cost, and is simpler and more reliable than software for transmitting logs by using a datagram protocol.

The application relates to the technical field of data processing, and discloses a method for realizing a PD protocol PHY layer through software and an MCU, wherein the method is characterized in that the method realizes the PHY layer of the PD protocol through software by sequentially detecting whether there is preamble data, searching for SOP characters in received data, searching for EOP data, and updating check data of the received data before the SOP is searched and the EOP data is searched, so that the PHY layer of the PD protocol is realized through software, the hardware for realizing the PHY layer in a PD protocol chip is reduced through the operation, and thus the area and cost of the PD protocol chip can be reduced; in addition, the software is realized, the overall flexibility is high, the restriction of the PHY layer on the PD protocol chip can be reduced, and thus the message extraction can be customized according to actual requirements.

This invention discloses the TGDXH-I type integrated calibration device for track signal testing equipment, comprising hardware and software systems: the hardware is centered around an electronic box, a PC, and a robot. The electronic box integrates output modules for voltage, current, and high-voltage pulse, as well as control and storage units; the software runs on multiple devices, supporting automatic / manual testing and data processing. Each output module can generate multiple types of signals: the voltage module covers a wide frequency band, with an output of 0-400V; the current module supports a large current of 0-20A; the high-voltage pulse module outputs a wavefront voltage of 0-800V (wavefront-to-tail ratio 3:1-8:1), all meeting the requirements of the new railway calibration regulations; the DC module outputs a high-precision signal of 1-250V. The robot, equipped with an industrial camera, automatically reads the data from the instrument being calibrated, achieving full-process automation in conjunction with the software, significantly reducing the calibration time of a single device and eliminating human error; the device adopts an integrated and modular design, significantly reducing its size and weight compared to traditional equipment, improving portability; the core components use high-precision chips, balancing performance, cost, and maintainability, with a user-friendly human-machine interface, adapting to the efficient and accurate calibration requirements of railway signal measuring instruments.

We provide an information processing device that reduces the amount of data used in BIM software. [Solution] An information processing device 1 that generates a BIM model 10E corresponding to a building by incorporating BIM parts 10B corresponding to structures as part of the building, comprising: a first modeling means 13 realized by first software that generates BIM parts 10B based on a total attribute information group 10C which is a group of multiple types of attribute information; an extraction means 14 realized by first software that extracts a partial attribute information group 10D which is a part of the attribute information from the total attribute information group 10C and links the partial attribute information group 10D to the BIM parts 10B; and a second modeling means 18 realized by second software different from the first software that generates a BIM model 10E by incorporating multiple BIM parts 10B to which each partial attribute information group 10D is linked.