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讨论了线性多变量解耦系统,在有扰动的情况下的稳定性和灵敏度,给出了稳定裕度边界。对定增益状态反馈的一般解耦系统以及避免极——零消去的解耦和引入动态补偿器避免极—零消去的解耦的鲁棒稳定性及灵敏度分别进行了分析。文中得出的某些结论为一类解耦系统的设计和解耦控制的实际应用提供了依据。
The stability and sensitivity of the linear multivariable decoupling system under perturbed conditions are discussed, and the margin of stability margin is given. The general decoupling system with constant gain state feedback and the robust stability and sensitivity of decoupling avoiding pole-zero cancellation and introducing dynamic compensator to avoid pole-zero elimination are respectively analyzed. Some conclusions drawn in this paper provide a basis for the practical application of a kind of decoupling system design and decoupling control.