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Reference-trajectory-planner–based integrated guidance and control under input saturation and impact angle constraint

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This paper investigates the integrated guidance and control (IGC) problem for intercepting maneuvering targets subject to the impact angle and input saturation. In order to elegantly implement tracking control under… Click to show full abstract

This paper investigates the integrated guidance and control (IGC) problem for intercepting maneuvering targets subject to the impact angle and input saturation. In order to elegantly implement tracking control under constraints, the whole controller includes the reference trajectory planner for generating reference trajectory, and the reference trajectory tracking controller for tracking the generated reference trajectory. The trajectory tracking controller is based on the command filter backstepping design under the time-domain separation, and the reference trajectory planner with a kind of reference model governor takes into account the available regulation ability of the trajectory tracking controller, so as to improve the adaptability of the proposed control scheme. The two cooperate with each other to improve the stability of guidance interception system and come out a more reasonable interception path. The simulation comparison results are provided to illustrate the superiority of the reference-trajectory-planner–based IGC law.

Keywords: trajectory planner; reference; control; trajectory; reference trajectory

Journal Title: Transactions of the Institute of Measurement and Control
Year Published: 2022

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