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Full-Text Articles in Engineering
Design Of 3d Visualization Monitoring System For Oil Field Pumping Unit Based On Unity3d, Liqiang Liu, Wenlei Sun, Yi Wang, Bingkai Wang
Design Of 3d Visualization Monitoring System For Oil Field Pumping Unit Based On Unity3d, Liqiang Liu, Wenlei Sun, Yi Wang, Bingkai Wang
Journal of System Simulation
Abstract: Aiming at the defects of single monitoring form, low degree of 3D visualization and poor linkage of pumping unit, the information-physical real-time mapping is introduced to develop the 3D visualization monitoring system for oil field pumping unit. The digital space of pumping unit are designed and the design architecture of virtual-real interaction layer is built. The composition and relation framework of 3D visualization system are built. Combined with the inverse kinematics, the mathematical model is built, and the overall architecture of the pumping unit 3D visualization system is designed based on the five-dimensional model and Unity3D platform. The beam …
Design Of Interactive Simulated Water Gun Fire Fighting Training System Based On Steam Vr, Cheng Lu, Xuesheng Jin
Design Of Interactive Simulated Water Gun Fire Fighting Training System Based On Steam Vr, Cheng Lu, Xuesheng Jin
Journal of System Simulation
Abstract: In order to save the fire fighting training resources and increase the immersion and experience of VR training, an interactive simulated water gun fire fighting training system based on Steam VR is designed. By using the Hall sensors and signal conversion circuit boards to collect and transmit the signal of the simulated water gun, and by using the Unity3D engine combined with the VIVE head-mounted display to build and present VR fire scene. The gun is controlled through C# programming to complete the interaction with the virtual fire scene. The system is evaluated by a post-questionnaire survey …
Research On Digital Protection System Of Intangible Cultural Heritage Based On Mobile Augmented Reality Technology, Shouming Hou, Ge Qian, Yanyan Liu
Research On Digital Protection System Of Intangible Cultural Heritage Based On Mobile Augmented Reality Technology, Shouming Hou, Ge Qian, Yanyan Liu
Journal of System Simulation
Abstract: Aiming at the problem of the single form and poor interaction of intangible cultural heritage protection, a non-heritage digital online display system is designed and implemented based on mobile augmented reality technology. Taking clay sculpture non-heritage protection as an example, the main functional modules of the system cloud and mobile terminal are designed. Based on a combination of 3D scanning and iterative mesh simplification, a fast modeling method is proposed. ORB-FV and optical flow tracking algorithm are used for online recognition and tracking registration of images. The system is developed based on Unity3D. The test results show that, …
Mesh Solid Construction Algorithm Of Spiral Bevel Gear Based On Virtual Collision Body, Cheng'en Li, Xiangjun Zou, Zeqin Zeng, Jianhua He, Li Hui, Zhaofeng Huang
Mesh Solid Construction Algorithm Of Spiral Bevel Gear Based On Virtual Collision Body, Cheng'en Li, Xiangjun Zou, Zeqin Zeng, Jianhua He, Li Hui, Zhaofeng Huang
Journal of System Simulation
Abstract: In order to improve the production automation, intelligence level and production efficiency of the tractor rear axle, the spiral bevel gear mesh entity based on the virtual collision body is constructed to carry out the human-machine interaction virtual simulation experiment of the tractor rear axle. The spiral bevel gear made by Gleason as is taken an example, the processing technology of arc spur gear is analyzed, the kinematics is used to establish a mathematical model of the spiral bevel gear forming process. The differential and interpolation methods are used to fit the gear curve and surface, the contour point …
Visualization Of Finite Element Analysis Deformation Results Based On Hololens, Jinli Xu, Zhou Zheng
Visualization Of Finite Element Analysis Deformation Results Based On Hololens, Jinli Xu, Zhou Zheng
Journal of System Simulation
Abstract: An UWP application of virtual review of the finite element analysis based on Microsoft HoloLens is developed by using Unity3D software. A set of programs are completed to realize three-dimensional solid static finite element analysis in Matlab. To realize the visualization of the deformation effect, the useful information of the finite element analysis result is extracted and exported to VTK file, then converted into DAE file. A vertex shader is written in Unity3D software to realize the color display and the visualization of deformation effect of one-sided model, and finally the UWP application is released to HoloLens. The test …
Design And Implementation Of Cloth Virtual Simulation System For Group Performance, Xiaotian Sun, Boxiang Xiao, Zhengdong Liu
Design And Implementation Of Cloth Virtual Simulation System For Group Performance, Xiaotian Sun, Boxiang Xiao, Zhengdong Liu
Journal of System Simulation
Abstract: Clothing plays an important role in group performance activities and affects directly the overall performance effect. In order to achieve the goal of virtual design and virtual exercise of group performance costume, a virtual simulation system is designed and implemented. The human body model is established by CLO3D, and then individual clothing model is constructed. After the human body and clothing model are imported into Unity, the clothing material is adjusted and the texture map is added. The group model is generated by copying individual clothing models of human body and clothing in Unity. The interactive interface of virtual …
Virtual Simulation System Of Cutter Suction Dredger Based On Unity3d, Pengfei Yao, Zhengming Chen, Tong Jing, Lina Qian
Virtual Simulation System Of Cutter Suction Dredger Based On Unity3d, Pengfei Yao, Zhengming Chen, Tong Jing, Lina Qian
Journal of System Simulation
Abstract: In order to solve some shortages for the traditional training of cutter suction dredger, a virtual simulation system was designed using Unity3D, which mainly targeted at operational procedures of construction and display of construction environment. Mesh deformation and texture changing were used to realize the simulation of the soil-cutting. The 2D path simulation which included the simulation of stone crushing and proportion of sand in the pipeline was realized by means of path-finding algorithm. 3D display and human-computer interaction were realized by virtual reality devices, which could improve the effect of the virtual simulation.
Hardware-In-The-Loop Simulation System For Underwater Vehicle Based On Unity3d, Fushen Ren, Yaqi Sun, Hu Qing, Zhaoliang Li, Pengyu Sun, Yukun Fan
Hardware-In-The-Loop Simulation System For Underwater Vehicle Based On Unity3d, Fushen Ren, Yaqi Sun, Hu Qing, Zhaoliang Li, Pengyu Sun, Yukun Fan
Journal of System Simulation
Abstract: In order to provide a simulation and test platform for the performance test, control algorithm analysis and operation training of underwater robot, a hardware-in-the-loop simulation system based on Unity3D is developed, which consists of a ground control terminal, a robot body and a three-dimensional simulation system. The system uses the same ground control terminal as the unified command input source of the three-dimensional simulation system and robot control system, and realizes the synchronization of the virtual object and robot body, real-time monitoring and parameters adjustment to the system. The position of the robot is collected by multiocular vision technology, …
Application Of Virtual Reality In Plc Gas-Fired Boiler Training System, Dahu Wang, Chen Xia, Huizheng Gao
Application Of Virtual Reality In Plc Gas-Fired Boiler Training System, Dahu Wang, Chen Xia, Huizheng Gao
Journal of System Simulation
Abstract: In view of the problem that traditional training methods for PLC debugging can not show the running states of controlled objects in full angles, a PLC virtual simulation training platform is designed based on virtual reality technology. The system is composed of upper computer and lower computer connected by RS232 bus. The upper computer uses 3ds Max to model and render facilities, and uses Unity3D to construct the complete virtual scene. The lower computer designs PLC control board to control the virtual gas-fired boiler, which transmits data between PLC and virtual scene through the communication module. The test result …
Design Of Virtual Training System For Horizontally Oriented Drill Based On Unity3d, Guojun Wen, Xia Yu, Yudan Wang, Zifei Hu, Wu Dan
Design Of Virtual Training System For Horizontally Oriented Drill Based On Unity3d, Guojun Wen, Xia Yu, Yudan Wang, Zifei Hu, Wu Dan
Journal of System Simulation
Abstract: Aiming at the equipment shortage, serious resource loss and hidden dangers in traditional horizontally oriented drilling rig training, a design scheme of the horizontally oriented drilling rig virtual training system based on the Unity3D is proposed. An experimental platform is built to verify the feasibility. The solidworks, 3dsMax model construction, Unity3D software virtual animation and scene development, Rodrigues rotation matrix 3D trajectory algorithm derivation, data acquisition (DAQ), system software and hardware communication and other technical content are used in the program. The experimental results show that the scheme is feasible, the system has the good operability and true immersion …
Intelligent Sandbox For Geography Teaching, Xianli Ji, Yulong Ding, Shuanghua Yang
Intelligent Sandbox For Geography Teaching, Xianli Ji, Yulong Ding, Shuanghua Yang
Journal of System Simulation
Abstract: An intelligent sandbox geography teaching demonstration system combining the augmented reality technology and related geographic knowledge is designed and implemented on the Unity3D platform. The system has functions of deep data processing, projection matrix transformation, terrain rendering, fluid simulation, physical characteristics, adding entities along the slope, changes in sunshine angle, gesture interaction, etc., which can render virtual terrain and scene in real time according to the change of the sandbox. Students can interact with the system in projection correction, adding entities, seasonal switching, weather effects, disaster simulation and other scenarios and learn knowledge points such as contour lines, …
Design And Implementation Of Asd Children’S Cognitive Education System Based On Unity3d, Xuejing Gu, Kaifeng Zhang, Yucheng Guo, Zhiliang Wang
Design And Implementation Of Asd Children’S Cognitive Education System Based On Unity3d, Xuejing Gu, Kaifeng Zhang, Yucheng Guo, Zhiliang Wang
Journal of System Simulation
Abstract: ASD (autism spectrum disorder) is a broad sense of autism. In order to improve cognitive deficits of children with ASD, promote cognitive generalization in ASD children, an education system was designed using Unity3D. The built-in physical engine of Unity3D was used to create a game environment which conformed to the physical laws of the real world by simulating the effects of gravity, buoyancy and collision. The Agent technology and state machine were used to realize the representation and control of virtual scene. Camera and face detection technology were used to realize facial imitative cognitive training. The preliminary test showed …
Two-Machine Co-Simulation Based On Mobile Augmented Reality, Zhili Zhang, Wang Chao, Long Yong, Shaodi Wang
Two-Machine Co-Simulation Based On Mobile Augmented Reality, Zhili Zhang, Wang Chao, Long Yong, Shaodi Wang
Journal of System Simulation
Abstract: Aiming at the problems that virtual training system was not convenient and was only performed in a single operation at present, a dual-machine collaborative system based on mobile augmented reality was designed. A portable augmented reality system was developed on the Unity3D platform with Tango technology. The photon server and LAN architecture were built on the basis. The client was built on the mobile platform of Lenovo PHAB2 Pro, and the co-simulation on dual-machine was implemented. Resultof the simulation proved the feasibility of combining augmented reality with photon server, and provided a set of practical development solutions for …
Design And Realization Of Ship Virtual Fire Training System Based On Hmd, Zhang Bo, Sun Jun, Shang Lei, Hongji Xu, Yang Cheng
Design And Realization Of Ship Virtual Fire Training System Based On Hmd, Zhang Bo, Sun Jun, Shang Lei, Hongji Xu, Yang Cheng
Journal of System Simulation
Abstract: Aiming at the shortcomings of ship fire training in real environment and the advantages and application of virtual reality technology in education and training, the virtual fire training system of ship based on head mount display (HMD) is developed. The system is developed using the Unity 3D Virtual Reality Development Engine as a platform, using client / server mode, supporting multi-person cooperative operation, and running the terminal for HTC Vive virtual reality hardware. The system combines the fire diffuser mechanism, the water shooting hydrodynamic equation and the particle system; completes the model establishment and visualization process, and improves …
Development Of Interactive Simulation Of Dive And Underwater Operation Process Of Jiaolong, Xiaoxi Zhang, Yin Yong, Mincang Liang
Development Of Interactive Simulation Of Dive And Underwater Operation Process Of Jiaolong, Xiaoxi Zhang, Yin Yong, Mincang Liang
Journal of System Simulation
Abstract: In order to solve the problems of difficult implementation and high safety risk in the practical training of deep submarine work at present, the simulation system of dive and underwater operation process of jiaolong is designed based on the virtual reality technology, which is not limited by time and place. The 3D modeling technology is used to construct the 3D model of the key structures such as the jiaolong and the mother ship. A mathematical model of A frame motion is established to simulate the motion process. Human-computer interaction and roaming are achieved by using 3D interactive technology, …