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首页> 外文期刊>International Journal of Pattern Recognition and Artificial Intelligence >Nonsingular Fast Terminal Sliding Mode Control for Spinning Missiles Based on Extended State Observer
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Nonsingular Fast Terminal Sliding Mode Control for Spinning Missiles Based on Extended State Observer

机译:基于扩展状态观测器的旋转导弹非奇异快速终端滑模控制

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摘要

A backstepping nonsingular fast terminal sliding mode control with the extended state observer (ESO) is proposed for the uncertain factors of nonlinear spinning missile. Based on Lyapunov stability theory, the virtual control as sliding mode is taken in the backstepping design and then the tracking differentiator (TD) is employed to eliminate the "explosion of terms". In the last step of the backstepping design, nonsingular fast terminal sliding mode control is utilized to drive the angular velocity tracking error to converge to the origin in a finite period of time. To estimate the chattering phenomenon caused by disturbance influence variable in the system, an ESO is applied to estimate and compensate the impact from uncertainties and disturbances. The stability of the closed-loop system is proved. The simulation results show the effectiveness of the proposed control method and the stability of the controller.
机译:针对非线性自旋导弹的不确定因素,提出了一种具有扩展状态观测器(ESO)的反步非奇异快速终端滑模控制方法。基于Lyapunov稳定性理论,在后推设计中采用虚拟控制作为滑模,然后采用跟踪微分器(TD)消除“项爆炸”。在反步设计的最后一步中,非奇异的快速终端滑模控制被用来驱动角速度跟踪误差,以在有限的时间内收敛到原点。为了估计由系统中的干扰影响变量引起的颤动现象,使用ESO来估计和补偿不确定性和干扰的影响。证明了闭环系统的稳定性。仿真结果表明了所提控制方法的有效性和控制器的稳定性。

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