Volume 12 Number 2
April 2015
Article Contents
Chao-Fang and Hu Yue Xin. Reentry Trajectory Optimization for Hypersonic Vehicles Using Fuzzy Satisfactory Goal Programming Method. International Journal of Automation and Computing, vol. 12, no. 2, pp. 171-181, 2015. doi: 10.1007/s11633-014-0823-4
Cite as: Chao-Fang and Hu Yue Xin. Reentry Trajectory Optimization for Hypersonic Vehicles Using Fuzzy Satisfactory Goal Programming Method. International Journal of Automation and Computing, vol. 12, no. 2, pp. 171-181, 2015. doi: 10.1007/s11633-014-0823-4

Reentry Trajectory Optimization for Hypersonic Vehicles Using Fuzzy Satisfactory Goal Programming Method

  • Received: 2013-09-27
Fund Project:

This work was supported by National Natural Science Foundation of China (No. 61074064) and Natural Science Foundation of Tianjin (No. 12JCZDJC30300).

通讯作者: 陈斌, bchen63@163.com
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Reentry Trajectory Optimization for Hypersonic Vehicles Using Fuzzy Satisfactory Goal Programming Method

Fund Project:

This work was supported by National Natural Science Foundation of China (No. 61074064) and Natural Science Foundation of Tianjin (No. 12JCZDJC30300).

Abstract: Constrained reentry trajectory optimization for hypersonic vehicles is a challenging job. In particular, this problem becomes more difficult when several objectives with preemptive priorities are expected for different purposes. In this paper, a fuzzy satisfactory goal programming method is proposed to solve the multi-objective reentry trajectory optimization problem. Firstly, direct collocation approach is used to discretize the reentry trajectory optimal-control problem with nonlinear constraints into nonlinear multi-objective programming problem with preemptive priorities, where attack angles and bank angles at nodes and collocation nodes are selected as control variables. Secondly, the preemptive priorities are transformed into the relaxed order of satisfactory degrees according to the principle that the objective with higher priority has higher satisfactory degree. Then the fuzzy satisfactory goal programming model is proposed. The balance between optimization and priorities is realized by regulating parameter λ, such that the satisfactory reentry trajectory can be acquired. The simulation demonstrates that the proposed method is effective for the multi-objective reentry trajectory optimization of hypersonic vehicles.

Chao-Fang and Hu Yue Xin. Reentry Trajectory Optimization for Hypersonic Vehicles Using Fuzzy Satisfactory Goal Programming Method. International Journal of Automation and Computing, vol. 12, no. 2, pp. 171-181, 2015. doi: 10.1007/s11633-014-0823-4
Citation: Chao-Fang and Hu Yue Xin. Reentry Trajectory Optimization for Hypersonic Vehicles Using Fuzzy Satisfactory Goal Programming Method. International Journal of Automation and Computing, vol. 12, no. 2, pp. 171-181, 2015. doi: 10.1007/s11633-014-0823-4
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