45 results about "Virtual device" patented technology

The invention provides a mixed reality industrial simulation training system which is composed of a space fusion perception unit, a multi-physics field simulation unit, a cooperative training management unit and a self-adaptive teaching engine. The space fusion sensing unit is composed of a real-time environment modeling and positioning subsystem and a physical interaction detection algorithm, and the real-time environment modeling and positioning subsystem dynamically constructs a three-dimensional space coordinate system of a real industrial scene through a visual sensor array and a radio frequency scanning device; generating a pose matrix of the virtual equipment model in the perspective display interface; the physical interaction detection algorithm realizes contact force feedback between virtual and real objects based on dynamic solution of collision volume, and when an operator triggers a virtual switch through a handheld controller, a real equipment control signal is synchronously driven; the multi-physics field simulation unit comprises a physical engine core module and a fault injection interface.

The invention discloses a rail transit dispatching simulation practical training and automatic examination system integrated with emergency assistance, and relates to the technical field of simulation practical training, and the system comprises a data collection module which is used for collecting basic data, operation data and historical emergency event data of a rail transit system; and the simulation environment construction module is used for constructing a high-fidelity rail transit simulation environment by applying a digital twin technology based on the data acquired by the data acquisition module, mapping a geometric field model, a physical field model, a behavior field model and a rule field model which are required by virtual equipment, constructing a four-model mapping rule base and fusing a multi-field model. According to the invention, the simulation environment construction module relies on a digital twinning technology and real acquired data, combines geometric, physical, behavioral and regular four-field models and a mapping rule base, constructs a high-fidelity simulation environment and meets diversified practical training requirements, and the emergency aid decision-making module introduces a quantum computing technology and can quickly process mass data in a complex scene.

The invention discloses a multi-architecture chip compatible localized cloud platform virtualization method, which is suitable for a localized cloud computing environment constructed by taking a localized CPU (Central Processing Unit) as a core. Comprising the following steps: when a plurality of domestic CPUs and compatible architecture information are collected at a bottom layer of a domestic cloud platform, establishing a unified hardware abstract model; constructing a virtualization compatibility layer on a domestic cloud platform virtual machine monitor; designing a cross-architecture virtual device agent module, and redirecting a domestic peripheral driver; and a unified scheduling and security isolation strategy is constructed, and efficient cooperation and trusted operation of the multi-architecture virtual machine under the localized cloud platform is realized. According to the method, instruction-level compatibility and unified operation environment construction of the heterogeneous chip in the localized cloud platform are realized, and the performance and stability of cross-architecture migration of the virtual machine are remarkably improved.

The invention belongs to the field of computer system compatibility and peripheral interfaces, and relates to a domestic desktop terminal peripheral compatibility method and system based on protocol reverse mapping and a computer readable storage medium. According to the method, after peripheral access, three-layer analysis of physical layer signal reversal, data link layer structure reversal and application layer semantic reversal is carried out in sequence, and an equipment interface type, a frame structure and instruction semantics are dynamically identified. And based on the reverse result, dividing the equipment into a standard protocol or a private protocol through a protocol type decision, respectively routing the protocol to a drive straight-through module or an instruction translation executor for processing, and finally providing compatible services for a domestic service system through a unified virtual equipment interface. According to the method, the adaptation problem of a document-free private protocol is solved, plug and play of a Wintel peripheral by a non-x86 architecture domestic terminal is achieved, the protocol compatibility coverage rate is remarkably increased, meanwhile, the CPU occupancy rate is reduced, and the harsh requirement for millisecond response of specific industries such as electric power is met.

The invention discloses virtualized network equipment and an operating system for managing the virtualized network equipment, and relates to the technical field of cloud sharing, and the virtualized network equipment comprises a terminal, a cloud platform and an equipment end, the cloud platform comprises a user demand building module, a service providing module, a dynamic interaction module, an intelligent scheduling monitoring module, an intelligent hierarchical scheduling module, a monitoring scheduling visualization module, a heterogeneous operating system supporting module and a virtual device management module. According to the virtualized network equipment and the operating system for managing the virtualized network equipment, equipment capable of surfing the internet is converted into sharable cloud service virtual equipment by carrying shared virtual software on the equipment, and an IT sharing mode can be realized through a cloud computing technology. Through the sharing mode, the use cost of the user can be greatly reduced, various heterogeneous operating systems are supported, the decoupling of the virtual resources of the network equipment and the terminal operating system of the user is realized, and the network equipment is converted into a sharable cloud service.

The application belongs to the field of computer system compatibility and peripheral interface, and relates to a domestic desktop terminal peripheral compatibility method and system based on protocol reverse mapping and a computer readable storage medium. After the peripheral is accessed, the method sequentially performs three-layer analysis of physical layer signal reverse, data link layer structure reverse and application layer semantic reverse, dynamically identifies device interface type, frame structure and instruction semantics. Based on the reverse result, the device is divided into standard protocol or private protocol through protocol type decision, and is routed to a drive pass-through module or an instruction translation executor for processing, respectively, to finally provide compatibility services for domestic business systems through a unified virtual device interface. The application solves the adaptation problem of undocumented private protocols, realizes plug-and-play of Wintel peripherals for non-x86 architecture domestic terminals, significantly improves protocol compatibility coverage, reduces CPU occupancy, and meets the stringent requirements of millisecond-level response in the power and other specific industries.

The invention provides a method, a device and equipment for realizing X window zooming in a Wayland environment and a storage medium, and the method comprises the steps: selecting a maxscale, updating the related information of the maxscale, and transmitting the updated information to an XWayland; adjusting the screen size and geometric coordinates of the virtual device, and storing the updated xft.dpi and notifying the X11; x11, drawing a buffer according to the scaled screen size and the updated xft.dpi, and converting into a wlsurface and a wlbuffer on the basis of the buffer; after the Wayland synthesizer receives the surface, the Wayland synthesizer carries out reverse scaling on the surface; and when the surface is returned, the surface is zoomed and converted according to the maxscale and then is sent. Therefore, the method can solve the problem that the XWayland is blurred in display in a high-resolution scene.

The invention provides a circuit design method, a virtual device, circuit design equipment and a storage medium. The method comprises the following steps: acquiring a target circuit design demand of a user; a pre-maintained circuit design library is called, and the circuit design library comprises mapping relations between different circuit design requirements and different circuit design schemes; under the condition that a target circuit design scheme corresponding to the target circuit design requirement exists in the mapping relation in the circuit design library, target circuit design is carried out based on the target circuit design scheme; and under the condition that the target circuit design scheme corresponding to the target circuit design demand does not exist in the mapping relationship in the circuit design library, generating a circuit design script command based on the target circuit design demand, and executing the circuit design script command to perform target circuit design. Automatic and efficient circuit design is realized, manual operation is not needed, and the working efficiency and the working accuracy are improved.

Provided is a simulation system that simulates an operation of a cell including a robot and a device, wherein the simulation system comprises a virtual device that simulates an output of the device and a a virtual robot controller that simulates, according to an output of the virtual device, an operation of a robot controller that controls the robot, and the virtual device performs an output based on a plurality of output histories of the device.

The application discloses a virtual reality device control method and device, a terminal device and a storage medium, and belongs to the field of virtual device control. The method is as follows: controlling a virtual reality device to simultaneously and independently display an optotype image in left and right eye display channels; according to a preset prism degree adjustment scheme, sequentially controlling the optotype images in the left and right eye display channels to simultaneously perform horizontal offset, so as to simulate an equivalent prism deflection effect, and collecting binocular gaze data of a wearer; and according to the binocular gaze data, controlling the virtual reality device to output binocular convergence flexibility of the wearer. Therefore, by implementing the application, the problem of how to realize standardized, objective and automatic binocular convergence flexibility evaluation of a tester can be solved.

The invention discloses a target range resource reuse and security isolation method and system in a high-concurrency scene, and belongs to the technical field of network simulation. The method comprises the following steps: receiving a network topology and initial network parameters defined by a user, and storing the network topology and initial network parameters as a topology description file; the system supports concurrent receiving and processing of a plurality of independent instantiation requests for the same topology; distributing a unique identifier for the instance corresponding to each request; for each instance, quickly cloning the virtual device based on a copy-on-write mechanism; creating an independent network namespace for each instance, distributing a unique VXLAN network identifier from the global VNI pool, and injecting the unique VXLAN network identifier into the namespace; automatically injecting the initial network parameters as fixed configuration into each device in an instance; and finally, accessing the equipment into the exclusive namespace and starting the equipment. According to the invention, the problems of large resource consumption and difficult network isolation in a large-scale concurrent simulation scene are solved, and the concurrent processing capability and the operation efficiency of a target range system are remarkably improved.

This application discloses a virtual machine simulation event processing method, apparatus, device, and medium, relating to the field of virtual device simulation. The method includes: analyzing an event to determine the target virtual machine initiating the event and the event type; when the event type is determined to be an IO event, using an IO event read / write thread pool to obtain data operation instructions corresponding to the IO event; determining the virtual hard disk to be operated on based on the data operation instructions; executing the simulated operation corresponding to the data operation instructions on the virtual hard disk; generating the simulated operation result; and forwarding the simulated operation result to the target virtual machine via KVM. This reduces system call overhead during virtual machine IO processing, thereby improving performance while ensuring functional integrity. Furthermore, the method steps reduce the complexity and adaptation difficulty of interfacing with new hardware, balancing efficiency, completeness, and scalability.

This specification provides a method, virtual device, medium, and equipment for interaction between a vehicle and a user, applied to a central control device of a vehicle, which also includes a camera device and a projection device. The method includes: determining a user action area and a display area in the external environment of the vehicle; controlling the camera device to continuously capture images of the user action area, and determining the positional range of the user's actions within the user action area by comparing the continuously captured two-dimensional images of the action area; determining a triggered interactive sub-area based on the positional range of the user's actions within the user action area; and controlling the projection device to project onto the display area based on a projection scheme associated with the triggered interactive sub-area. This method provides an interaction scheme for the user.

The invention discloses a report management system, method, equipment and medium for virtual device cloud simulation, and the system comprises a storage server which is configured to store report content; a database configured to store report records; the report container is configured to query and modify the report record in the database, access the report content of the storage server according to the report record, and display and modify the report content; the virtual tester container is configured to manage starting, running and ending of the virtual device container and read reports in the virtual device container; the server is further configured to store the report content to the storage server and add or modify accessible report records in the database; and the virtual device container is configured to read the numerical value in the virtual tester container, simulate actual device operation and record an operation report. The technical framework of the container cloud platform can be met, the virtual device test report can be stored, checked and shared, and the simulation test efficiency and the user experience can be effectively improved.

This invention relates to the fields of virtualization technology and high-availability computing technology, specifically to a fault-tolerant method and virtual device for GPU passthrough virtual machines. The method includes: intercepting the computation instruction stream destined for the passthrough GPU on the primary virtual machine side, generating an instruction log queue, and periodically collecting the GPU execution context to generate state snapshots; sending the instruction log queue and state snapshots to a backup virtual machine through a synchronization channel; performing delayed replay of the instruction log queue on the backup virtual machine side to ensure its GPU state remains consistent with the primary virtual machine; and when a primary virtual machine failure is detected, promoting the backup virtual machine to the new primary virtual machine and resuming the execution of GPU computation tasks based on the most recent state snapshot and the incomplete instruction log queue. This invention achieves fault-tolerant switching of computation tasks in a GPU passthrough virtual machine environment with no or near-zero interruption.

A virtual input device includes a head-mounted display device including an image projection module and a control module; a hand gesture detection module arranged on the head-mounted display device and electrically connected with the control module; and a transmission module electrically connected with the control module. The image projection module to project and form a virtual device. The hand gesture detection module detects a hand gesture of a user to serve as a hand gesture input. The control module outputs a drive signal in response to the hand gesture input. The transmission module transmits the drive signal to a physical device that is externally located. To operate the physical device, such as a mobile phone or computer, the user may use the head-mounted display device to project and form a virtual mobile phone or computer on a desk top to ease the operation of the physical device.

The invention provides an electromagnetic equipment rectification processing method, a virtual device and rectification processing equipment. The method comprises the following steps: acquiring a rectification strategy instruction of to-be-rectified electromagnetic equipment; the rectification strategy instruction is input to a simulation model obtained through training, simulation electromagnetic data, corresponding to the rectification strategy instruction, of the to-be-rectified electromagnetic equipment output by the simulation model are obtained, the simulation model is used for obtaining the simulation electromagnetic data based on the rectification strategy instruction, and the simulation electromagnetic data are used for obtaining the to-be-rectified electromagnetic equipment. The simulation electromagnetic data is obtained under the condition that the to-be-rectified electromagnetic equipment is rectified according to the rectification strategy instruction; and based on the simulation electromagnetic data, carrying out rectification processing on the electromagnetic equipment to be rectified. The rectification cost of the to-be-rectified electromagnetic equipment can be reduced, and the rectification efficiency of the to-be-rectified electromagnetic equipment is improved.

This invention provides a path planning method for a robotic vacuum cleaner, a robotic vacuum cleaner, and a virtual device, applied to a robotic vacuum cleaner. The method includes: acquiring a regional map image of the area to be cleaned, and determining cleaning reference lines on the regional map image based on the regional information of the area to be cleaned; determining key points on the regional map image, and dividing the regional map image into multiple sub-regional map images based on the key points; determining the inter-regional access order of each sub-region corresponding to each sub-regional map image, and determining the intra-regional access order within each sub-regional map image based on the inter-regional access order and the cleaning reference lines; and planning the cleaning path of the robotic vacuum cleaner regarding the area to be cleaned based on the intra-regional access order and the inter-regional access order. This achieves reasonable and efficient path planning for the robotic vacuum cleaner, avoiding problems such as path duplication, missed cleaning areas, or improper cleaning order.

Provided are a simulator apparatus, a substrate processing apparatus, a method of manufacturing a semiconductor device, and a technology for simulating a processing operation of a substrate based on an edited recipe without using a substrate processing apparatus, and capable of shortening the time taken for recipe editing. The present invention is provided with: a virtual device storage unit for storing a recipe having a plurality of steps in which processing conditions and processing time for a substrate are defined, and a device control program for controlling the processing of the substrate by a substrate processing device having the recipe; an activation unit that selects an execution speed of the apparatus control program and selects at least one of a normal transfer operation and a transfer skip operation as an operation of the substrate transfer unit; and a virtual control unit capable of activating the device control program by the execution speed selected by the activation unit and the operation of the transport unit, and controlling virtual processing of the substrate on the basis of the recipe stored in the virtual device storage unit.

The invention provides a high-precision delta-sigma modulator based on time-sharing chopping. The high-precision delta-sigma modulator comprises a first-stage integrator, a second-stage integrator, a third-stage integrator, an adder, a comparator, two pairs of chopper circuits and an analog-to-digital converter, according to the invention, two pairs of chopper circuits are arranged, a time-sharing clock control technology is adopted, and a virtual device layout matching design is combined, so that accurate suppression of multi-source low-frequency interference is realized. The modulator adopts a three-order CIFF architecture, internal noise and imbalance of an operational amplifier are eliminated through a time-sharing controlled chopper 1, input charge injection, switching nonlinearity and DAC feedback errors are eliminated through a system-level chopper 2, and the stability of the sampling and integration process is ensured in cooperation with an optimized clock delay design. Under the sampling frequency of 1.024 MHz, the signal-to-noise distortion ratio reaches 106.7 dB, the noise suppression capability is improved by 68.1 dB, and the total power consumption is only 504 mu W.

This invention provides a fully mechanized mining face communication system, a fully mechanized mining face communication method, and a virtual device. The system includes a controller, sensors, a proxy server, and a mining face server. A wireless subnet is established based on the controller, sensors, and proxy server, allowing information that the controller and sensors need to transmit to the mining face server to be transmitted via the proxy server. The controller includes at least a support controller, a coal mining machine controller, an operating remote control, and a scraper conveyor controller. Because the fully mechanized mining face communication system integrates multiple control devices, it can form a highly integrated fully mechanized mining face communication system. Furthermore, by establishing a wireless subnet based on the controller, sensors, and proxy server, with each proxy server responsible for the control devices within a certain area, the problem of high signal attenuation at the mining face is effectively alleviated, thereby significantly improving the automation and intelligence level of fully mechanized coal mining operations.

The invention relates to a transformer substation monitoring system based on a master station and substation service interaction mechanism. The transformer substation monitoring system comprises an automatic equipment remote operation and maintenance master station and an automatic equipment remote operation and maintenance substation. The automatic equipment remote operation and maintenance substation communicates with the automatic equipment remote operation and maintenance master station and communicates with intelligent electronic equipment of a transformer substation, the automatic equipment remote operation and maintenance substation comprises an equipment virtual module, and the equipment virtual module comprises a plurality of virtual intelligent electronic equipment. And each virtual intelligent electronic device corresponds to each intelligent electronic device in the substation and is used for storing monitoring information of the intelligent electronic device. According to the invention, a servitization main station and substation data communication mode is adopted, and on-demand retrieval of various data of the substation by various services of the main station is realized.

A vehicle includes a wireless communication device and a proximity communication device. The vehicle receives a registration request for an owner key from a management server. The vehicle executes an activation process for the owner key via wireless communication using the wireless communication device in a case in which the received registration request includes information indicating that an owner device is a virtual device implemented on a server. The vehicle executes the activation process for the owner key via proximity communication using the proximity communication device in a case in which the received registration request does not include the information indicating that the owner device is the virtual device.

The application discloses a differential gate tunneling current monitoring and resetting circuit applied to a low-power intermittent phase-locked loop, comprising a phase-locked loop (PLL), a second switch, a copy capacitor, a virtual device, a positive threshold comparator, a phase-locked loop state indication module and a crystal oscillator, wherein the phase-locked loop (PLL) comprises a phase-frequency discriminator, a charge pump, a series RC filter, a first switch, a filter capacitor, a voltage-controlled oscillator and a frequency divider, and the application realizes a leakage monitoring and resetting mode which is independent of PLL locking initial value, has strong robustness and low static power consumption, does not need an additional low-frequency clock, reduces power consumption and area, accurately controls frequency drift, adapts to flexible requirements, partially offsets temperature influence, enhances environmental adaptability, simplifies circuit control logic and improves working reliability.

The invention discloses an equipment control method and device, equipment, a medium and a product, and the method is applied to Internet of Things equipment, and comprises the steps: receiving a control instruction sent by user equipment; and obtaining a running state parameter of the intelligent device based on the control instruction, determining a running state of the intelligent device based on the running state parameter, and sending a rendering instruction including a second device identifier to the user device based on the control instruction, so that the user device obtains an animation resource corresponding to the second device identifier from the server based on the rendering instruction, the animation resources are pre-rendered to generate animations; and when the running state parameter represents that the intelligent equipment is in a normal state and first information sent by the user equipment is received, sending a first execution instruction for controlling the intelligent equipment to start to the intelligent equipment, and sending a second execution instruction for controlling animation playing to the user equipment, according to the mode, synchronous linkage of the virtual equipment and the intelligent equipment can be realized.

The application relates to the field of I2C device management, in particular to a device tree management method and device, a terminal device and a readable storage medium, the method comprising the following steps: a virtual device entity is established according to a device; the attributes of the device entity comprise a device unique identifier, a parent device unique identifier and a parent device channel unique identifier; a device tree configuration file comprises the device unique identifier value, the parent device unique identifier value and the parent device channel unique identifier value of each device; a device instance is obtained by instantiating the corresponding entity, the attributes of the device instance are valued according to the device tree configuration file; the parent device is found step by step according to the parent device unique identifier of the device instance until the root device is found, and the acquired parent device channel unique identifier and parent device unique identifier are stored in a channel linear storage unit step by step from the device; and the device is accessed according to the channel linear storage unit. Therefore, the problems of slow I2C slave device access speed and unclear device logical relationship are solved.

The application discloses a loop state determination method, device, system and electronic equipment. The method comprises the following steps: creating a target loop, wherein the target loop is a loop in an industrial control process, and the target loop comprises at least one virtual device corresponding to an entity device; in response to a first instruction of a target object, determining a condition met by the target loop in the industrial control process; and in the case that the condition is verified to be correct, determining state information of the target loop according to the condition. The application solves the technical problems of large workload and low efficiency in the prior art when the loop working state is determined manually.

This invention provides a user sentiment prediction and product recommendation method, virtual device, computer-readable storage medium, and electronic device based on a dual-model approach, relating to the technical field of shared electric vehicle technology. The method includes: acquiring first image information of a user; performing sentiment information determination processing on the first image information using a preset first model to determine the user's sentiment tag and sentiment level; performing product matching processing on the sentiment tag and sentiment level using a preset second model to obtain target product information; and sending the product information to the user via a preset path. This invention solves the problem of inaccurate product recommendations, thereby improving the accuracy of product recommendations.

The invention provides a safety valve opening and closing pressure determination method, a virtual device and a railway vehicle, the method comprises the following steps: monitoring vehicle-mounted data of the railway vehicle, the vehicle-mounted data comprising a message related to the operation of the railway vehicle; analyzing the message to obtain a first message corresponding to an air pressure signal of the railway vehicle, a second message corresponding to an air compressor start-stop signal of the railway vehicle, and a third message corresponding to a forced air pumping signal of the railway vehicle; based on the first message, the second message and the third message, the safety valve opening pressure and / or the safety valve closing pressure of the railway vehicle are / is determined, the safety valve opening pressure and the safety valve closing pressure can be automatically and accurately determined, and then intelligent debugging is achieved.

The invention relates to a computer-implemented method for identifying at least one code change (14) required for generating a virtual device (10), in particular a virtual controller, for testing and / or verifying a predetermined function, in particular an automated driving function, of a motor vehicle, the method comprises the following steps: providing (S1) at least one source code segment (12) for testing and / or verifying a predetermined function of the motor vehicle; applying (S2) a machine learning algorithm (A) to the at least one source code segment (12) to identify the at least one desired code change (14); and outputting (S3) a data set (16) of information for generating the code changes (14) required for testing and / or verifying the virtual device (10) of the predetermined function of the motor vehicle. The invention further relates to a computer-implemented method for providing a machine learning algorithm (A).