Disturbance-Observer-Based Composite Hierarchical Antidisturbance Control for Singular Markovian Jump Systems

Disturbance-Observer-Based Composite Hierarchical Antidisturbance Control for Singular Markovian Jump Systems
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奇异马尔可夫跳跃系统的基于干扰观测器的复合分层抗干扰控制

DOI:
10.1109/tac.2018.2867607
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发表时间:
2019-07
影响因子:
6.8
通讯作者:
Guo Lei
Guo Lei
中科院分区:
计算机科学2区
文献类型:
--
作者:
Yao Xiuming;Park Ju H;Wu Ligang;Guo Lei

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研究了奇异马尔可夫跳变系统在无穷不可观测状态和多个干扰下的抗干扰控制问题。其中一个扰动是范数有界的,而另一个是写在一个状态空间表达式。在假设系统的某些状态是无穷不可观测的情况下,通过将系统等价变换和重构为包含可观测状态的降阶系统,将无穷不可观测状态视为未知输入,提出了一种新的模态相关观测器,用于估计建模扰动和所有状态.然后,我们构造了一个复合分层控制器的基础上提出的观测器的输出。给出了观测器增益和控制器矩阵存在的充分条件。最后,一个仿真例子来证明我们的计划的有效性。
Antidisturbance control issue for singular Markovian jump systems under infinitely unobservable states and multiple disturbances is investigated. One of the disturbances is norm bounded, whereas the other is written in a state-space expression. Under assumption that some of the states of the system are infinitely unobservable, a novel mode-dependent observer is proposed to estimate the modeling disturbance and all the states by equivalent transforming and reformulating the system into a reduced-order system where the observable states are included and infinitely unobservable states are regarded as an unknown input. Then, we construct a composite hierarchical controller based on the outputs of the proposed observer. Sufficient conditions for the existence of the desired observer gains and controller matrices are derived. Finally, a simulation example is presented to demonstrate the effectiveness of our scheme.
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影响因子: 2.4
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