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本章讨论线性时不变多变量反馈系统,目的是找出包括传递函数的奈奎斯特图的稳定条件。本章给出了一组这样的条件,为讨论奈奎斯特逆阵列、特征轨迹和顺序返回差异设计程序提供了恰当的基础。
This chapter discusses a linear time invariant multivariable feedback system with the objective of finding the stability conditions for a Nyquist plot that includes the transfer function. This chapter presents a set of such conditions that provide a proper basis for discussing Nyquist inverse arrays, feature trajectories, and sequential return difference design procedures.