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对于离散时间线性系统的输出反馈设计,我们考虑使用预测型降维观测器的积分控制器。在找到了一个二重互质分解的状态空间表达式后,通过使用YJB参数化方法,给出了所有稳定化控制器的一个方便的参数化形式。在这个参数化表达式中,关于稳态特性和运算延迟的要求被描述为对自由参数的约束。重新定义这个自由参数,我们可以获得一个改进的参数化形式,而其中的自由参数可以是一个任意真的和稳定的有理函数矩阵。
For the output feedback design of discrete-time linear systems, we consider the integral controller using a predictive-type reduced-dimensional observer. After finding a two-state coprime state space expression, a convenient parametric form of all stabilization controllers is given by using the YJB parameterization method. In this parametric expression, the requirements for steady-state properties and operation delays are described as constraints on free parameters. To redefine this free parameter, we can obtain an improved parametric form, where the free parameter can be an arbitrary real and stable rational function matrix.