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摘要: 考虑一个广义相对阶为1的多变量系统之变结构模型参考自适应控制器(VS-MRAC) 设计问题,提出了一种切换控制方案,解决了现有多变量VS-MRAC和多变量模型参考自适应 控制(MRAC)中两个尚未解决的问题:1)使系统跟踪误差的每个分量均满足预先给定的性能指 标;2)无须假定对象高频增益矩阵满足通常的正定性条件.Abstract: This paper considers the controller design of a multivariable VS-MRAC system of generalized relative degree one. A new switching scheme is proposed which solves the following problems in VS-MRAC and MRAC: 1) every component of tracking error can be controlled to guarantee the transient and steady-state performance index given by designer in advance, and 2) the usual assumption of positive definiteness property for high frequency gain matrix is not needed.
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Key words:
- Multivariable systems /
- variable structure control /
- adaptive control /
- hybrid control
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