Research on Robust Control of Gun Servo System Based on Quantitative Feedback Theory

doi:10.3969/j.issn.1000-1093.2015.10.003

Abstract

Abstract: For the low control precision problem of gun servo system induced by parameter perturbation and nonlinear disturbance factors, a robust control strategy for gun servo system based on quantitative feedback theory (QFT) is proposed. On the basis of gun servo system model with uncertain parameters, a certain gun servo system is taken as an example to show the method process, and the robust controller based on QFT is designed by using loop shaping method. System stability, tracking performance and robustness are analyzed and validated, and the system time domain response with parameter perturbation and output disturbance is studied. The research results show that the designed QFT robust controller can satisfy the performance index of gun servo system, and it has strong robustness and high tracking performance, which proves the effectiveness of the method.

Key words: ordnance science and technology, gun servo system, robust control, quantitative feedback theory, uncertainty

CLC Number:

TJ303.8

XUN Pan-pan, HAN Chong-wei, ZHAO Yu-he, WANG Bao-hua. Research on Robust Control of Gun Servo System Based on Quantitative Feedback Theory[J]. Acta Armamentarii, 2015, 36(10): 1841-1846.

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