既不能控又不能观测系统的极点配置

Pole Assignment for Control Systems not only Uncontrollable but also Unobservable

以对线性系统采用状态反馈或输出至的输出反馈的极点配置定理为基础，提出了在一个系统中，同时运用这两种方法配置系统的极点，并且得出了问题的充分必要条件，从而简便、有效地解决了特别是既不能控又不能观测，尤其是具有相同的既不能控又不能观测子空间的系统的极点配置问题，具有明显的实用价值。

On the basis of linear system pole assignment theorems by state feedback or output feedbackfrom output to x,this paper provides two kinds of methods are used simultaneously to assign system poles ina control system,And the sufficient and necessary conditions are found. So the pole assignment problem ofsystems not only uncontrollable but also unobservable,particularly,with that same one and same subepace issolved simply,conveniently and efficiently.And this method has obviously practical value。