The quantitative feedback theory (QFT) is a direct and powerful design method for multivariable control systems with plant uncertainties.
定量反馈理论（QFT）是一种设计具有不确定性的多变量控制系统的直接而有效的方法。
2
The method of -pole assignment for multivariable systems by output feedback and its application to the design of integrated controller of large turbo-generator set are discussed in this paper.
本文讨论了如何利用输出反馈配置极点的方法设计大型汽轮发电机组综合控制系统的问题。
3
For a linear time -invariant multivariable system, there will be some degrees of design freedom in pole assignment by output feedback.