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首页> 外文期刊>IEEE Transactions on Automatic Control >Model reference adaptive and nonadaptive control of linear time-varying plants
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Model reference adaptive and nonadaptive control of linear time-varying plants

机译:线性时变设备的模型参考自适应和非自适应控制

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We address the adaptive and nonadaptive model reference control problem for a class of multivariable linear time-varying plants, namely index-invariant ones. We show that, under appropriate controllability and observability conditions, this class of plants admits a fractional description in terms of polynomial differential operators and, as such, allows for a polynomial equation-based controller design. We also show that, for a model reference control objective, the controller can be designed by solving a set of algebraic equations. Further, when the plant parameters are only partially known, we employ a gradient-based adaptive law with projection and normalization to update the controller parameters and establish the stability and tracking properties of adaptive closed-loop plant. Finally, we present a simple example to illustrate the design and realization of both the adaptive and nonadaptive control laws.
机译:我们针对一类多变量线性时变植物,即指数不变植物,解决了自适应和非自适应模型参考控制问题。我们表明,在适当的可控制性和可观察性条件下,此类植物根据多项式微分算子接受分数描述,并因此允许基于多项式方程的控制器设计。我们还表明,对于模型参考控制目标,可以通过求解一组代数方程来设计控制器。此外,当仅部分了解工厂参数时,我们采用具有投影和归一化的基于梯度的自适应定律来更新控制器参数,并建立自适应闭环工厂的稳定性和跟踪特性。最后,我们给出一个简单的例子来说明自适应和非自适应控制律的设计和实现。

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