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| Study of dynamics simulation on planetary airbag buffering and landing system |
| ZHANG Hua1,2，MENG Guang3,4，LIU Han-wu2，HAN Zhi-chao2 |
1. Shanghai Key Laboratory of Spacecraft Mechanisms， Shanghai 201108，China；
2. Aerospace System Engineering in Shanghai， Shanghai 201109，China；
3. Shanghai Academy of Spaceflight Technology， Shanghai 201109，China；
4. State Key Laboratory of Mechanical System and Vibration, Shanghai Jiao Tong University, Shanghai 200240, China |
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Abstract The airbag buffering and landing system is widely used for exploring the planet, possessing the characteristics of lightweight, safety, and the excellent ability for adapting to the environment. The dynamics model is built for the airbag buffering and landing system, and the whole process of charging, landing, contacting, bouncing and re-contacting is demonstrated based on contacting effect and geometric nonlinearity. The rules are obtained from the dynamics simulation how the airbag initial pressure, initial landing-velocity, and planet ground form affect on the acceleration load of important inner position of airbag. The characteristics are validated of airbag buffering and landing system of self-standing and separating. Research results can provide the reference and guidance for the engineering design of the airbag buffering and landing system which will be applied to the deep-space exploration.
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Received: 30 June 2015
Published: 15 October 2016
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