考虑输入饱和的制导控制一体化设计

doi:10.7527/S1000-6893.2017.320897

Abstract

Abstract:

Hypersonic vehicle is fast varying in dive phase,so its actuator is easy to be saturated because of the physical constraint.Integrated guidance and control method considering input constraint is proposed.The longitudinal design model for integrated guidance and control is built.An extended state observer is taken to estimate the uncertainties and compensate them.A new integrated guidance and control method is built for the cascaded system based on the method of adding a power integrator and the method of nested anti-windup.Rigorous theoretic analysis proves that the control strategy can result in expected equilibrium of all system states in finite time.Because all the virtual control variables consider the saturation restraint,much more control capacity of the vehicle can be saved to realize accurate manipulation.A numerical simulation case is adopted to verify the effectiveness and robustness of the proposed method.

Key words: hypersonic vehicle, continuous finite-time, input saturation, integrated guidance and control, cascaded system

CLC Number:

V448.2

WANG Songyan, SUN Xiangyu, YANG Shengjiang, CHAO Tao. Integrated guidance and control design considering input saturation[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2017, 38(10): 320897-320897.

References

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Integrated guidance and control design considering input saturation

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