Data-based synthesis of a multivariable linear-quadratic regulator

Data-based synthesis of a multivariable linear-quadratic regulator
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基于数据的多变量线性二次调节器综合

DOI:
10.1016/0005-1098(95)00142-5
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发表时间:
1996
期刊:
at - Automatisierungstechnik
影响因子:
--
通讯作者:
J. H. Chan
J. H. Chan
中科院分区:
--
文献类型:
--
作者:
J. H. Chan

文献摘要

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本文提出了一种直接由输入输出数据设计线性二次型最优调节器的新方法。当对象开环稳定、输出大于输入且左可逆时,该方法可用于设计多变量调节器。该方法的主要优点有三方面。首先,它涉及一个输出反馈控制律,因此,不需要状态估计的实施。第二,该控制器的计算是可能的,而不显式地识别的植物模型参数。第三,如果存在降阶控制器,则可以合成降阶控制器,而无需额外的努力来降低设备模型。
A new method for the design of a linearquadratic optimal regulator directly from input-output data is proposed. The method can be used to design a multivariable regulator when the plant is open-loop stable, with more outputs than inputs, and is left-invertible. The major advantages of the method are threefold. First, it involves an output feedback control law; hence, no state estimation is needed for implementation. Second, the computation of this controller is possible without explicit identification of the plant model parameter. Third, a reduced-order controller, if one exists, may be synthesized without additional effort to reduce the plant model.