Attitude control for hypersonic vehicle with compound actuators based on adaptive dynamic inversion

被引：0
作者：
机构：
[1] Control and Simulation Center, Harbin Institute of Technology
[2] Science and Technology on Space Physics Laboratory
来源：
Di, X.-G. (dixiaoguang@hit.edu.cn) | 1600年 / China Spaceflight Society卷 / 34期
关键词：
Attitude control; Control allocation; Dynamic inversion; Hypersonic vehicle; Moving mass/aerodynamic fin; Neural network;
D O I：
10.3873/j.issn.1000-1328.2013.07.010
中图分类号：
学科分类号：
摘要：
Considering the low efficiency of aerodynamic fins for the reentry hypersonic vehicle, the compound control actuators with moving masses and aerodynamic fins are introduced and the control allocation problem between them is researched. Besides, against strong nonlinearity and uncertainty of the vehicle, the adaptive dynamic inverse attitude control system based on the neural network (NN) is designed. Firstly, the principle of the configuration of masses and the compound control-oriented model are given. Secondly, in order to obtain a good control allocation accuracy and low energy consumption of actuators, a control allocation strategy is provided on the basis of the quadratic programming method. Thirdly, to approximate the system uncertainty and compensate the dynamic inversion error, the nonlinear dynamic inversion attitude control system based on NN with weights updating is designed. Finally, the simulation results show the effectiveness of the control allocation strategy and the adaptive dynamic inverse method in their application of attitude control of the hypersonic vehicle.
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页码：955 / 962
页数：7
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