Sliding mode control and Lyapunov based guidance law with impact time constraints#br#

doi:10.21629/JSEE.2017.06.16

Journal of Systems Engineering and Electronics ›› 2017, Vol. 28 ›› Issue (6): 1186-1192.doi: 10.21629/JSEE.2017.06.16

出版日期:2017-12-27 发布日期:2017-12-27

Sliding mode control and Lyapunov based guidance law with impact time constraints#br#

Xiaojian Zhang, Mingyong Liu*, and Yang Li

School of Marine Science and Technology, Northwestern Polytechnical University, Xi’an 710021, China

Online:2017-12-27 Published:2017-12-27

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Abstract:

This paper analyses the issue of impact time control of super-cavitation weapons impact fixed targets which mainly refer to the ships or submarines who lost power, but still have combat capability. Control over impact time constraints of guidance law (ITCG) is derived by using sliding mode control (SMC) and Lyapunov stability theorem. The expected impact time is realized by using the notion of attack process and estimated time-to-go to design sliding mode surface (SMS). ITCG contains equivalent and discontinuous guidance laws, once state variables arrive at SMS, the equivalent guidance law keeps the state variables on SMS, then the discontinuous guidance law enforces state variables to move and reach SMS. The singularity problem of ITCG is also analyzed. Theoretical analysis and numerical simulation results are given to test the effectiveness of ITCG designed in this paper.

. [J]. Journal of Systems Engineering and Electronics, 2017, 28(6): 1186-1192.

Xiaojian Zhang, Mingyong Liu, and Yang Li. Sliding mode control and Lyapunov based guidance law with impact time constraints#br#[J]. Journal of Systems Engineering and Electronics, 2017, 28(6): 1186-1192.

Sliding mode control and Lyapunov based guidance law with impact time constraints#br#

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