Development of Virtual Test System for Real-time Control and Performance of Amphibious Vehicle

doi:10.3969/j.issn.1000-1093.2014.06.019

Abstract

Abstract: Amphibious vehicles have three operating conditions: on-water, on-land and water-land transition. At present, two main simulation methods have been used for amphibious vehicle. One is to use the multi-body dynamics software for simulation of on-land operating condition, and the other is to use CFD software for simulation of on-water operating condition. The methods are used to simulate a single operating condition. In order to solve the computing problem of dynamics under various operating conditions, a real-time control dynamic simulation system for all operating conditions of amphibious vehicle is established by using the coupling theory of particle flow field and collision and the calculating methods of multibody dynamics. Based on this, many virtual tests were completed. The test results were verified by taking a high-speed tracked amphibious vehicle for example. The results show that the proposed method has a certain degree of accuracy, and the calculation error is less than 15% compared to the experimental data.

Key words: ordnance science and technology, amphibious vehicle, real-time control, virtual test, dynamics

CLC Number:

TJ811₊.6

JU Dong-mei, XIANG Chang-le, LI Jun, SUN Xu-guang, LIU Jing. Development of Virtual Test System for Real-time Control and Performance of Amphibious Vehicle[J]. Acta Armamentarii, 2014, 35(6): 879-884.

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