Coverage-Guided Testing for Scalable Virtual Prototype Verification

2020 ◽  
pp. 119-142
Author(s):  
Vladimir Herdt ◽  
Daniel Große ◽  
Rolf Drechsler
Keyword(s):  
Virtual Prototype ◽  
Prototype Verification

Reliability Simulation and Forecast Based on Virtual Prototype for the Running System of Complicated Equipments

2014 ◽  
Vol 543-547 ◽  
pp. 195-198
Author(s):  
Li Jun Cao ◽  
Hui Bin Hu ◽  
Gui Bo Yu ◽  
Shu Hai Wang
Keyword(s):  
Probability Density ◽  
Local Stress ◽  
Virtual Prototype ◽  
Probability Density Distribution ◽  
Stress And Strain ◽  
Load Spectrum ◽  
Density Distribution Function ◽  
Running System ◽  
Maintenance Cycle ◽  
Damage Theory

The running system is the key part to finish training or battle tasks of complicated equipments. But formidable working conditions influence the measurement of load spectrums and it is difficult to analyze and forecast the reliability of running system. Actual vehicle experiments and virtual prototype are firstly combined to obtain complete load spectrum of running system. According to the materials S-N curve, stress and strain spectrums can be computed. Nominal stress method and local stress and strain method are combined with probability density accumulation damage theory to compute the probability density distribution function. Then, the reliability of running system can be forecasted, which provide adequate reference for the maintenance cycle confirmation and mission reliability prediction.

Study on Engine Kinematics and Dynamics Simulation Based on COSMOSMotion

2012 ◽  
Vol 503-504 ◽  
pp. 731-734
Author(s):  
Xiao Xu Liu ◽  
Min Chen ◽  
Ai Hua Tang
Keyword(s):  
Virtual Prototype ◽  
Dynamics Simulation ◽  
Kinematics And Dynamics ◽  
Engine Model ◽  
Kinematics Simulation ◽  
Simulation Based ◽  
Calculation Results ◽  
Simulation Results ◽  
Dynamics Simulations

The engine model with 4 cylinders is built by SolidWorks, the kinematics and dynamics simulations of the engine virtual prototype are done by COSMOSMotion, the results of kinematics simulation are checked, there are very small errors between the simulation results and the calculation results according to formulas. The mainly results of dynamics simulation are given. The simulation result consists with the parameters of the engine.

Dynamics Characteristics for Contact Surface of Machine Tool

2014 ◽  
Vol 538 ◽  
pp. 91-94
Author(s):  
Wei Ping Luo
Keyword(s):  
Machine Tool ◽  
Dynamic Characteristics ◽  
Contact Surface ◽  
Dynamic Performance ◽  
Virtual Prototype ◽  
Prototype Model ◽  
Ansys Software ◽  
Dynamic Analyses ◽  
Contact Surfaces

A virtual prototype model of Machine Tool has been constructed by using the Pro/E software and the ANSYS software. Considering the effects of contact surfaces, dynamic analyses of Machine Tool are studied. The effects of contact surfaces on the dynamic characteristics of machine tool are studied. So that the purpose predicting and evaluating synthetically the machine tool dynamic performance without a physical sample can be achieved.

The Ball Screw Installation Position Parameter Decisions and Simulation

2012 ◽  
Vol 479-481 ◽  
pp. 2347-2350
Author(s):  
Ki Jun Kim ◽  
Cheng Dong Wu ◽  
Fei Wang ◽  
Shi Guang Wen
Keyword(s):  
Mr Damper ◽  
Virtual Prototype ◽  
Ball Screw ◽  
Rotational Axis ◽  
Hybrid Drive ◽  
Location Parameters ◽  
Damper Control ◽  
Position Parameter

The robot joints are usually rotational axis by two link joints, bionic features is not strong. The shortcomings of intelligent MR damper control multi-axis bionic knee can only provide resistance and certain sizes of regain momentum, cannot provide larger power, therefore this paper gives by the multi-axis four-bar structure, ball screw transmission hybrid drive multiaxial bionic active knee institutions. And analysis the human leg institutions and commonly used two-bar structure, solve the ball screw transmission installation location parameters. And established based on hybrid drive of the bionic active the knee's virtual prototype.

scholarly journals Research and Development of Virtual Prototype for Intelligent Control of Airflow Field in Fully Mechanized Heading Face

Procedia CIRP ◽  
2019 ◽  
Vol 83 ◽  
pp. 649-654
Author(s):  
Xiaoyan Gong ◽  
Kefan Lei ◽  
Zhuangzhuang Liu ◽  
Yijie Hou ◽  
Ying Li ◽  
...  
Keyword(s):  
Research And Development ◽  
Intelligent Control ◽  
Virtual Prototype ◽  
Airflow Field

scholarly journals Virtual Prototyping Application using Computer Aided Engineering in Plastic Product Manufacturing

2011 ◽  
Vol 1 (2) ◽  
pp. 83
Author(s):  
Ahmad Juang Pratama
Keyword(s):  
Computer Aided Design ◽  
Virtual Prototype ◽  
Computer Aided Engineering ◽  
Production Cycle ◽  
Trial And Error ◽  
Product Analysis ◽  
Material Optimization ◽  
Computer Aided ◽  
Injection Technology ◽  
Medium Enterprises

Efficiency in using plastic injection technology, especially within small to medium enterprises, is a very difficult target to achieve.  One of the contributing factor to the high cost of  using this technology is the trial and error nature of constructing the plastic mold which directly affect machninig cost and longet production cycle time.  The trial and error scheme can be significantly reduced and even eliminated with the application of concurrent engineering method supported by virtual prototype based CAD <em>(computer aided design)</em> and CAE <em>(computer aided engineering).</em>  Virtual prototype technology gives way to product analysis, design and material optimization, and proses parameter optimization prior to implementing the manufacturing process.  Therefore, we can anticipate all potential manufacturing flaws during the design process.  It is then expeceted to reduce machning and production process cost, increase product quality to boost up Company’s competitive advantage.

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