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首页> 外文期刊>Transactions of the Institute of Measurement and Control >Anti-disturbance autopilot design for missile system via finite time integral sliding mode control method and nonlinear disturbance observer technique
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Anti-disturbance autopilot design for missile system via finite time integral sliding mode control method and nonlinear disturbance observer technique

机译:基于有限时间积分滑模控制方法和非线性扰动观测器技术的导弹系统防干扰自动驾驶仪设计

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摘要

In this paper, a composite anti-disturbance autopilot design for a missile system is proposed based on finite time integral sliding mode control scheme and nonlinear disturbance observer technique. First, a nonlinear disturbance observer is developed to estimate the external disturbances with partial known information. Second, in order to obtain good disturbance rejection performance and reject the other type of disturbances, a finite time integral sliding mode control strategy is employed to the design of a feedback controller. Third, an improved adaptive composite anti-disturbance autopilot is given to avoid the inaccuracy of the upper bound of external disturbances. Finally, simulation results are employed to demonstrate the effectiveness of the proposed method.
机译:本文基于有限时间积分滑模控制方案和非线性干扰观测器技术,提出了一种导弹系统的复合抗干扰自动驾驶仪设计方案。首先,开发了非线性干扰观测器,以利用部分已知信息来估计外部干扰。其次,为了获得良好的干扰抑制性能并抑制其他类型的干扰,在反馈控制器的设计中采用了有限时间积分滑模控制策略。第三,给出了一种改进的自适应复合抗干扰自动驾驶仪,以避免外部干扰上限的不准确。最后,通过仿真结果证明了该方法的有效性。

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