584 results about "Device simulation" patented technology

A system and method for providing an extensibility model to create device simulators. The system and method provide a generalized framework for the simulation of hardware devices controlled by software drivers with user and kernel mode programmability. The present invention also provides a framework that facilitates communication between applications operating user address space of an operating system and device drivers and device simulators operating in kernel mode address space of the operating system. In one embodiment, a framework provides a bi-directional communication channel that allows a test application in user address space of an operating system to communicate with a computer component operating in kernel address space of the operating system.

The invention relates to a CTCS-3 level train control system vehicular device simulation testing system and testing method. The system provides a user interface for selecting and executing a testing script, a vehicular device is tested by simulating running of a train on a line, and data in the testing process are recorded and used for subsequent analysis. The simulation testing system comprises a scene controller module, a train dynamics simulation module, a ground equipment simulation module, a data recording module, a station graph drawing module and a GUI (graphical user interface) module, wherein the scene controller module is used for reading and distributing the testing script and the testing data and controlling the testing process, the train dynamics simulation module is used for calculating the speed and the distance of the rain running on the line, the ground equipment simulation module is used for transmitting rail circuit information, transponder messages and wireless messages to the tested vehicular device, the data recording module is used for recording various testing result data, the station graph drawing module is used for drawing a station graph and displaying the position of the train on the line, and the GUI module is used for providing input testing initial information for testers, simulating driving of the train and repeating a graphical interface for the running state of the train in the testing process.

The invention discloses a system and a method for real-time cloud simulation on an Internet of things sensing device. The system comprises the Internet of things sensing device, an Internet of things gateway device, a cloud device simulation center and an MQTT (Message Queuing Telemetry Transport) server; the Internet of things sensing device is an intelligent sensing device which is accessed to a sensing network; the Internet of things gateway device is used for providing the access for a heterogeneous sensing network; the cloud device simulation center comprises a simulation data processing module and a simulation node module, wherein the simulation data processing module is used for receiving, pushing and processing simulation data, the simulation node module is used for establishing cloud simulation nodes, and the cloud simulation nodes and the Internet of things sensing device are maintained to be synchronized; the MQTT server is an interaction intermediary of the Internet of things sensing device and the cloud simulation node which is corresponding to the Internet of things sensing device. According to the system and the method for the real-time cloud simulation on the Internet of things sensing device, the cloud simulation node which is corresponding to the Internet of things sensing device is established at the position of a cloud according to real-time data sent from the Internet of things sensing device to enable the functions of the cloud simulation node to be as same as the functions of the Internet of things entity sensing device and accordingly the access of the cloud application service to the entity sensing device and the operation of the cloud application service on the entity sensing device are convenient.

The invention includes a method and a system for generating integrated circuit (IC) simulation information regarding the effect of design and fabrication process decisions. One embodiment includes creating and using a data store of profile-based information comprising metrology signal, structure profile data, process control parameters, and IC simulation attributes. Another embodiment is a method and system for generating a simulation data store using signals off test gratings that model the effect of an IC design and/or fabrication process. One application includes creation and use of a simulation data store generated using test gratings that model the geometries of the IC interconnects. The interconnect simulation data store may be used in-line for monitoring electrical and thermal properties of an IC device during fabrication. Other embodiments include methods and systems for generating and using simulation data stores utilizing a metrology simulator and various combinations of a fabrication process simulator, a device simulator, and/or circuit simulator. Information from the simulation data store may be used in-line in-situ during the design or fabrication process steps.

A physiological measurement device or wearable device simulator includes a frame and a plurality of surfaces distributed within the frame. For each surface, a surface actuator links the surface of the frame. At least one of: i) force or position imparted by the surface on a physiological feature of a subject by the surface actuator; and ii) the force imparted by the physiological feature of the subject on the surface, can be employed to modulate the positions of the surfaces relative to each other independently of the forces imparted by or on those surfaces, thereby measuring the physiological feature of the subject or simulating a wearable device interface.

The invention discloses a method for quickly deploying in a virtualization environment. The method comprises the following steps of: (1) keeping image copies of idle operating systems in a physical server; (2) transmitting system information necessary for opening a virtual server to a management server, and selecting an initialization script, creating a configuration file and mapping the initialization script and the configuration file into the equipment space of a node server by using the management server; (3) creating a virtual machine by using the management server, virtualizing the image copies of customized operating systems into a disc of the virtual server, and simulating the equipment of the node server into a compact disc read-only memory of the virtual server; (4) starting the virtual server, and running a startup script program with a specified name on the compact disc read-only memory in customized startup scripts of a system; and (5) submitting user name and password information to a foreground user self-service platform by using a resource scheduling system, and allowing a user to decrypt a cipher text and log in by using acquired plain text information. Quick provisioning, quick configuration, and safe, reliable and quick delivery of the virtual machine can be implemented in the virtualization environment.

Simulation of a block of film grain for addition to a block of an image occurs by first establishing at least one parameter at least in part in accordance with an attribute of the image block At least one at least one block of film grain is simulated from at least one film grain pattern generated in accordance with the at least one parameter. In particular, the film grain pattern is generated using a bit accurate technique.

The invention discloses a method and equipment for simulating mouse input. The method is characterized by including steps of dividing a touch area into a left area and a right area according to points on touch equipment touched by fingers of a user, taking the left area and the right area as touch areas of a left key and a right key respectively, and thus simulating existing mouse operation modes to the utmost extent. The equipment comprises touch equipment, a recognition module, a computer host and a simulated cursor. The touch equipment supports multipoint touch operation; the recognition module is used for recognizing position and action, on the touch equipment, of the fingers of an operator; the computer host is used for responding to the position and action recognized by the recognition module, and also used for dividing the touch area into the left area and the right area according to the points on the touch equipment touched by the fingers of the operator; and the simulated cursor is displayed as a cursor on a display screen. The method and the equipment for simulating mouse input can simulate operations of the left key and the right key of a mouse and are high in flexibility.

Distributed hardware device simulation, including: identifying a plurality of hardware components of the hardware device; providing software components simulating the functionality of each hardware component, wherein the software components are installed on compute nodes of a distributed processing system; receiving, in at least one of the software components, one or more messages representing an input to the hardware component; simulating the operation of the hardware component with the software component, thereby generating an output of the software component representing the output of the hardware component; and sending, from the software component to at least one other software component, one or more messages representing the output of the hardware component.

The invention discloses an intelligent transformer station mixing simulation training system, and belongs to a training reaching system. The system provided by the invention comprises an electrical network digital simulation system, a primary equipment simulation device, and secondary equipment of an intelligent transformer station. The electrical network digital simulation system comprises an electrical network real-time simulation server, a faculty machine and an I/O interface; the primary equipment simulation device comprises an electronic mutual inductor simulation device, a low-voltage switch simulation device, a breaker simulation device and a knife simulation device; the electrical network digital simulation system is connected with the primary equipment simulation device; and the primary equipment simulation device is connected with the secondary equipment. According to the invention, an integrated training platform is established for professional training of an intelligent electrical network, so that full-scope full-process and full-scene simulation training for transformer station operation personnel can be realized; an open principle is observed in terms of a network structure and hardware configuration, so that expansion capability and maintainability of the system are higher; and the network configuration and functions exhibit certain foresight, so that the needs for further development and training are satisfied, and a good base is laid for later function upgrading.

A simulator for accurately simulating a deterioration amount and a recovery amount of transistor characteristics, by which a semiconductor device can be designed with high reliability, and the method are provided. When a gate voltage of a negative level (a negative bias voltage) “Vg” is applied to a gate of the transistor, characteristics of the transistor are deteriorated. When application of the negative level gate voltage “Vg” is terminated (when applying a bias free voltage), the deteriorated transistor characteristics are recovered. In a deterioration period and a recovery period, a logarithm “log(t)” is obtained for an application time “t” of the gate voltage, a deterioration amount ΔP_D(t)=C_D+B_D·log(t) is calculated by using constants C_D and B_D depending on the negative bias voltage, a recovery amount ΔP_R(t)=C_R+B_R·log(t) is calculated by using constants C_R and B_R depending on the bias free voltage, and the deterioration amount (ΔP_D), the recovery amount (ΔP_R) and a basic deterioration amount (X_D) are summed up. Preferably, passage of time is divided, and a deterioration amount and a recovery amount are obtained for each time zone by using different deterioration and recovery functions for each time zone.

A method is provided and includes generating a first simulated device at a device simulator. The first simulated device corresponding to a first physical device. Also, a second simulated device is generated at the device simulator. The second simulated device corresponds to a second physical device. At least one behavior extension file is loaded at the device simulator. Further, the behavior extension file is applied to the first simulated device or to the second simulated device. The method further includes selectively loading an application to the device simulator. The application can be selectively executed with respect to the first simulated device, the second simulated device, or to the first simulated device and the second simulated device. Also, the application can be modified at least partially in response to the execution of the application at the device simulator to produce a modified application.

A modular and integrated satellite dynamics simulation test system and method, the system is used for the ground simulation test of the small satellite attitude and orbit control system, the small satellite dynamics simulation test system is based on modular construction, including measurement and control upper computer and real-time lower computer . The measurement and control upper computer is a general-purpose computer, which runs the human-computer interaction software of the simulation system; the real-time lower computer includes the chassis, controller, digital signal acquisition and output card, analog signal acquisition and output card, RS‑422 communication card, CAN communication card, power supply Card, interface box, real-time lower computer except the chassis and interface box, all functional module boards are integrated based on the PXI bus, and the lower computer controller runs dynamics simulation calculation software. In addition to the interface box of the real-time lower computer, other modules are integrated inside the chassis. The upper computer and the lower computer are connected through Ethernet, and communicate based on the TCP/IP protocol, and carry out the interaction of operation instructions, collected data and simulation data. The present invention is applied to the simulation test of the attitude-orbit control system of the small satellite, which improves the integration and scalability of the small-satellite attitude-orbit control simulation test equipment, and the deployment of the equipment is simple and fast.

The invention discloses a system for trapping network attack of an embedded device of a smart power grid. The system comprises a trapping device and a safety analysis server. The trapping device comprises a network interface module, a safety control module and an actual embedded device analog machine. The network interface module is used for receiving and transmitting an IP data package. The safety control module is used for identifying, analyzing and distinguishing the IP data package, and the safety control module is connected with a serial port communication module, an external memory and a switch module. The actual embedded device analog machine is used for sending network state information and mainframe state information to the safety analysis server. The safety analysis server is used for obtaining a final safety check result through multi-dimension attribute comprehensive measurement. By the adoption of the system, real-time dynamic security detection and evaluation can be quickly and accurately conducted on known or unknown electric power system network attack under the condition that normal operation of an embedded terminal is not affected, and meanwhile the trapping device can be effectively prevented from being attacked by attackers through the network interface module.

The invention provides an implementation method of a distributed virtual monitor communication technology. In the method, the existing reliable transmission protocol is utilized to realize reliable and efficient communication among virtual machine monitors (VMM), provide the necessary basis for resources integration, provide a single physical node for an upper customer operating system, and realize the management and use of multi-node resources by the customer operating system by mainly combining an expansion system equipment simulation part with a descriptor ring mechanism. The method comprises the following steps: step one: a preparation phase; step two: a connection establishment phase; step three: a data transmission process; and step four: a connection closing phase. The method is an innovation based on the existing mature technology, and has simple implementation and good use and development prospects.

The invention provides VR (Virtual Reality) equipment for assisting psychological counseling and a usage method thereof. A reality scene is simulated by the equipment, meanwhile, individual physiological indexes are collected in real time, automatic and standardized effective interventions are correspondingly performed, a systematic desensitization principle is applied so that individuals can carry out self-service training on various symptoms such as anxiety disorder by use of the equipment so as to restore or get close to the normal state of life and improve the life quality.

A method for design validation of complex IC with use of a combination of electronic design automation (EDA) tools and a design test station at high speed and low cost. The EDA tools and device simulator are linked to the event based test system to execute the original design simulation vectors and testbench and make modifications in the testbench and event based test vectors until satisfactory results are obtained. The event based test vectors are test vectors in an event format in which an event is any change in a signal which is described by its timing and the event based test system is a test system for testing an IC by utilizing the event based test vectors. Because EDA tools are linked with the event based test system, these modifications are captured to generate a final testbench that provides satisfactory results.

A method for analyzing side-channel leakage of an application running on a device including loading the application on a system comprising a device simulator, wherein the application is configured to accept public inputs and secret inputs and selecting a set of public inputs. The method includes, for each public input in the set of public inputs, executing the application on the system comprising the device simulator based on a respective public input and a first value for a secret input and extracting first intermediate values for the simulated device, and executing the application on the system based on the respective public input and a second value for the secret input and extracting second intermediate values for the simulated device. The method includes determining an amount of dependency of a location of the simulated device on the secret input based on a plurality of the first and second intermediate values.

A building equipment analog control system belongs to a automatic control technology. The system comprises: a cloud computing center, a remote controller, an equipment control host, machinery equipment, valve equipment and electrical appliance equipment, wherein the machinery equipment, the valve equipment and the electrical appliance equipment are connected to the equipment control host. The system is characterized in that: the equipment control host comprises a data access module which is connected to Internet and a local wireless communication module; the equipment control host can be connected to the cloud computing center of the Internet through the Internet data access module or form communication connection with the remote controller through the local wireless communication module;the remote controller can be connected to the cloud computing center through the Internet or be connected to the local wireless communication module of the equipment control host through a wireless communication protocol; the cloud computing center and the equipment control host are respectively preassembled with one programmable controller simulation program; the two programmable controller simulation programs maintain synchronous operation. By using the system of the invention, energy saving and convenient usage can be achieved and environment can be beautified. The system is suitable for being installed in enterprises, institutions and dwelling houses.

A subject-oriented graphical programming environment, for the design and construction of virtual instrumentation systems, comprises means enabling the visualization of data sources, control sources, data sinks, and events, thereby maximizing hardware device interchangeability and allowing device simulation. Said means comprise a decoupling software layer for decoupling the data connection aspects of a development environment from its visualization, data processing and control components. The decoupling layer comprises a “Jack” component type, to interface with the data connection components of an application, linkable to a “Plug” type component that interfaces with the rest of the application. Jack and Plug components are configurable by application developers using graphical tools, providing users with broad discretion to define their own data acquisition virtual interfaces, rather than being limited to using an existing data connection component directly.