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摘要: 对于状态不可测的输入受限线性时不变系统,提出一种基于状态观测器的控制方法. 该方法采用双模控制策略,将不变椭圆集概念同时应用于观测器的状态方程和误差方程,给出 估计状态不变性和控制输入可行性条件并给出了闭环系统的稳定性定理.仿真结果表明了所提 方法的有效性.Abstract: A dual mode control algorithm based on state observer is presented for linear time invariant system with input constraint. The proposed method applies the ellipsoid invariant set to the estimated state and state estimation error. The conditions of invariance and feasibility of estimated state, as well as the stability of the closedloop system are given. The simulation result illustrates the feasibility of the method.
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Key words:
- Constraint input /
- state observer /
- ellipsoid invariant set /
- feasibility /
- stability
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