Study on Autopilot Dynamics with Robust Guidance Law and Terminal Constraint in Mechanical Engineering

Zhi Ping Li; Jun Zhou; Jian Guo Guo

doi:10.4028/www.scientific.net/AMR.644.77

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 644Study on Autopilot Dynamics with Robust Guidance...

Study on Autopilot Dynamics with Robust Guidance Law and Terminal Constraint in Mechanical Engineering

Abstract:

A new nonlinear robust guidance law was proposed by considering autopilot dynamics. Firstly, the mathematic model was built according to relationship between target and missile in vertical plane, by introducing the one-order dynamics of autopilot in Mechanical Engineering. Secondly, the nonlinear terminal guidance was obtained by applying the H∞ control theory under the performance index of minimizing the terminal angular constraint tracking error and control energy, and the asymptotic stability of guidance system was strictly proven by Lyapunov stability theory avoiding the estimation of the time-to-go. Finally, an illustrative example was given to show that the guidance law was more robust and both the impact angle and guidance precision were met in the case of no any target information.

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Periodical:

Advanced Materials Research (Volume 644)

Pages:

77-80

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.644.77

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Online since:

January 2013

Authors:

Zhi Ping Li, Jun Zhou, Jian Guo Guo

Keywords:

Autopilot, Guidance Law, Robust, Stability

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