三阶离散扩张状态观测器的稳定性分析及其综合
Stability Analysis and Synthesis of Third Order Discrete Extended State Observer
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摘要: 在连续扩张状态观测器（Extended State Observer，ESO）结构的基础上，提出了一种离散形式的三阶ESO，并给出了稳定性分析．当系统扰动变化不是很快的时候，所提出的ESO能够将状态估计误差和扰动估计误差限制在一个很小的范围内．仿真结果证明了理论分析的有效性．Abstract: A discrete third order ESO(Extended State Observer) is proposed which is based on the frame of the continuous ESO,and the analysis of its stability is presented.When the disturbances do not vary too much,the proposed ESO can render the estimation errors of system states and disturbances to be constrained in a small bounded region.Simulation results show the effectiveness of the theoretical analysis.
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