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181 results about "Interactive simulation" patented technology

Multi-platform target tracking and distribution interactive simulation system

The invention relates to a multi-platform target tracking and distributed interactive simulation system in the technical field of simulation. The system comprises a target generation module, an aerial sensing platform, an emergency processing platform, a ground control center platform and an HLA distributed interactive simulation module, wherein, the target generation module generates a system tracking object at random; the aerial sensing platform comprises various detecting devices for performing fusion to the detected information and then transmitting the information to the ground control center platform; the ground control center platform integrates all the field information, evaluates the entire field situation and promptly makes an emergency decision; the emergency processing platform receives the information and the commands and realizes target tracking by using airborne equipment; and the HLA distributed interactive simulation module enables the modules to establish an HLA distributed system structure through a distributed network and realizes the multi-information network interconnection. The invention has the advantages of flexibility and extendability, can improve the tracking effect, enhance the visibility of scene demonstration and be widely applied to the fields such as public safety, disaster relief assistance and the like.
Owner:SHANGHAI JIAO TONG UNIV

Virtual maintenance distribution interactive simulation support platform of large equipment and collaborative maintenance method

The invention relates to a virtual maintenance distribution interactive simulation support platform of large equipment and a collaborative maintenance method. Combined hierarchical structure and modular design are adopted, a general service program is provided for various types of simulation application by a bottom-layer standardized communication protocol to realize data communication and interaction control among different software and hardware function modules; the virtual maintenance distribution interactive simulation support platform is composed of a simulation operation management module, a fault maintenance simulation module, a maintenance operation module and a basic function module for visual scene simulation; the platform captures the operation input, the body gesture and the hand space action data information of each training person by standard peripheral equipment and VR (Virtual Reality) interactive equipment; different collaborative maintenance modes are set, and various three-dimensional solid models in the virtual maintenance environment are driven; and collaborative interactive simulation and state information are updated in real time to realize the operation cooperation and the motor coordination in the collaborative maintenance process. The virtual maintenance distribution interactive simulation support platform has the advantages of good popularity, expansibility, instantaneity and illusion of immersion, and can support the simulation training of collaborative maintenance tasks of multiple maintenance personnel on different stations of large equipment.
Owner:PLA SECOND ARTILLERY ENGINEERING UNIVERSITY

Electric vehicle charging station load forecasting method

InactiveCN103065199ARun fastThe data interface is clearForecastingPredictive methodsFlow curve
An electric vehicle charging station load forecasting method is divided into a simplified method and a dynamic simulation method. The simplifying method comprises the following steps of counting a vehicle entering a station flow in a typical set time interval in a day by a historical statistics data so that a section curve description formula of an electric vehicle entering the station flow curve is obtained; solving the number of the vehicles entering in the station and being charged in the interval [t-TC, t]; and calculating active power at any time. The dynamic simulation method comprises the following steps of describing charging time by a normal distribution probability density function; performing counting and curve fitting to historical charging time to get a mean value and a standard deviation; and obtaining the whole number of the vehicles being charged and the charging power of the vehicles at every time in a day so that overall charging power of the charging station is calculated. The method is simple in arithmetic, definite in a data interface, fast in operation speed and capable of supporting dynamic interactive simulation of the electric vehicles in a large scale so that time and space distribution of charging load of the electric vehicles can be forecasted and the foundation method can be offered for studying influence on an electric power system by the charging load.
Owner:ELECTRIC POWER RES INST OF GUANGDONG POWER GRID

Semi-physical driving fatigue vision simulation system platform

The Semi-physical driving fatigue vision simulation system platform belongs to the technical field of driving vision simulation system platform. The invention comprises a vehicle dynamic model, a real vehicle (22), a vision simulation system and a driving information collecting system; with virtual reality as a basis, the technologies of interactive simulation, computer imaging and sensors are employed; the real vehicle (22) is in normal driving state and detects a research platform of driving fatigue state information in an all-round way; the vision simulation system comprises a work station (1) and a vision displaying device; the work station (1) resolves the vehicle dynamic model according to sensor signals of a driving information collecting system, generates and sends a dynamic driving scene to the vision displaying device; the driving information system comprises a driving parameter collecting subsystem, a video collecting subsystem, a physiology detecting subsystem and the like, which are respectively used to carry out all-round detection of characteristic information reflecting driving fatigue such as driving behavior, facial expression, body movement and physiological parameters of drivers. The invention is mainly applicable to experimental studies on the driving fatigue.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY

Modularly integrated satellite dynamics simulation testing system and method

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.
Owner:AEROSPACE DONGFANGHONG SATELLITE

Unmanned aerial vehicle cluster formation interactive simulation verification system and implementation method thereof

The invention relates to the fields of numerical simulation, virtual reality, brain-computer interface, human-computer interaction, network communication, software development and the like. In order to construct a lifelike virtual reality simulation scene, real-time simulation data driving demonstration of a UAV cluster formation is carried out and human intervention to the simulation demonstration is realized through a plurality of human-computer interaction devices, so as to achieve the man-in-loop simulation effect. The invention discloses an unmanned aerial vehicle cluster formation interactive simulation verification system and an implementation method thereof. The system comprises a distributed real-time simulator, a host computer, a visual computer (client side), a display device and a human-computer interaction device. The simulator is formed by the target computer and responsible for running the real-time simulation program to simulate the UAV cluster formation. The host computer runs the server software. The visual computer runs the visual software developed on the base of Unity. The human-computer interaction device realizes human-computer interaction through visual software integration. The invention is mainly applied to the occasion of unmanned aerial vehicle simulation.
Owner:TIANJIN UNIV

Interactive simulations utilizing a remote knowledge base

A system is disclosed that provides a goal based learning system utilizing a rule based expert training system to provide a cognitive educational experience. The system provides the user with a simulated environment that presents a training opportunity to understand and solve optimally. Mistakes are noted and remedial educational material presented dynamically to build the necessary skills that a user requires for success in the business endeavor. The difficulty level is automatically adjusted to the student's skill level. The system utilizes an artificial intelligence engine driving individualized and dynamic feedback with synchronized audio, video, graphics and animation used to simulate real-world environment and interactions. Multiple “correct” answers are integrated into the learning system to allow individualized learning experiences in which navigation through the system is at a pace controlled by the learner. A robust business model provides support for realistic activities and allows a user to experience real world consequences for their actions and decisions and entails realtime decision-making and synthesis of the educational material. A dynamic feedback system is utilized that narrowly tailors feedback and focuses it based on the performance and characteristics of the student to assist the student in reaching a predefined goal.
Owner:ACCENTURE GLOBAL SERVICES LTD

Automatic driving joint simulation method based on multiple platforms

The invention relates to the technical field of automatic driving simulation verification, in particular to an automatic driving joint simulation method based on multiple platforms. The invention provides an automatic driving joint simulation method based on multiple platforms. The automatic driving joint simulation method comprises the following steps: S1, acquiring automatic driving virtual scene data; S2, setting a reference track, and acquiring obstacle pose information in combination with the automatic driving virtual scene data; S3, performing calculation according to a decision planningcontrol algorithm of the vehicle to obtain a control signal, performing simulation control on each module of the vehicle according to the control signal and the vehicle body pose information, and calculating the speed and position of the vehicle; S4, obtaining the dynamic response quantity of the vehicle based on the vehicle dynamic model, and calculating and updating the vehicle body pose information in real time; and S5, outputting traffic flow pose information. Multiple professional simulation software is adopted for interactive simulation, a more accurate simulation effect is achieved, the time of getting-on joint debugging is shortened, the test range is wide, and the development process is greatly shortened.
Owner:SAIC VOLKSWAGEN AUTOMOTIVE CO LTD
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