research on the motion characteristics of a trans-media vehicle when entering water obliquely at low speed
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ID: 229591
2018
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Abstract
This paper proposes a single control strategy to solve the problem of trans-media vehicle difficult control. The proposed control strategy is just to control the vehicle's air navigation, but not to control the underwater navigation. The hydrodynamic model of a vehicle when entering water obliquely at low speed has been founded to analyze the motion characteristics. Two methods have been used to simulate the vehicle entering water in the same condition: numerical simulation method and theoretical model solving method. And the results of the two methods can validate the hydrodynamic model founded in this paper. The entering water motion in the conditions of different velocity, different angle, and different attack angle has been simulated by this hydrodynamic model and the simulation has been analyzed. And the change rule of the vehicle's gestures and position when entering water has been obtained by analysis. This entering water rule will guide the follow-up of a series of research, such as the underwater navigation, the exiting water process and so on. Keywords: Water-enter movement, Dynamic model, Theoretical model, Ballistic trajectory, Gesture| Reference Key |
li2018internationalresearch
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| Authors | ;Yong-li Li;Jin-fu Feng;Jun-hua Hu;Jian Yang |
| Journal | current developments in nutrition |
| Year | 2018 |
| DOI | DOI not found |
| URL | |
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