Global Sliding Mode Control for Rocket Launcher AC Servo System

doi:10.3969/j.issn.1000-1093.2012.06.001

Abstract

Abstract: Aimed at wide parameter variations and strong impact moment in a rocket launcher position servo system, a global sliding mode control method was presented. Its stability was proved by using the system’s mathematic model. And, for the high-order derivative term in the control law, a derivative estimator was introduced to obtain the high accuracy estimation. The simulation results show that the proposed approach can inhibit the chattering problem effectively, guarantee the response speed and control accuracy, and possess a strong robustness to parameter perturbation and load disturbance.

Key words: automatic control technology, rocket launcher, global sliding mode control, permanent magnet synchronous motor

CLC Number:

TJ393

CHEN Fu-hong₁, MA Da-wei₁, YANG Bi-wu₂， ZHU Zhong-ling₁. Global Sliding Mode Control for Rocket Launcher AC Servo System[J]. Acta Armamentarii, 2012, 33(6): 641-646.

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