In this work, a new nonlinear guidance law with finite-time convergence considering control loop dynamics is developed to intercept highly maneuvering targets. The approach is based on integral sliding mode combined with finite-time state feedback control. Since terminal guidance process occurs in a short time, the line-of-sight (LOS) angular rate should converge to zero in a finite time. The proposed guidance scheme successively guides the LOS angular rate to converge to zero in a finite-time, and stability and robustness of the new guidance law are demonstrated by means of Lyapunov stability theorem. Three-dimensional simulation results demonstrate the performance of the proposed design procedure.
Application of Finite-Time Integral Sliding Mode to Guidance Law Design
Contributed by the Dynamic Systems Division of ASME for publication in the JOURNAL OF DYNAMIC SYSTEMS, MEASUREMENT, AND CONTROL. Manuscript received March 12, 2014; final manuscript received June 25, 2015; published online August 13, 2015. Assoc. Editor: Heikki Handroos.
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Golestani, M., Mohammadzaman, I., Yazdanpanah, M. J., and Vali, A. R. (August 13, 2015). "Application of Finite-Time Integral Sliding Mode to Guidance Law Design." ASME. J. Dyn. Sys., Meas., Control. November 2015; 137(11): 114501. https://doi.org/10.1115/1.4030951
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