The theory and method of the partial stability are applied to the state feedback stabilization of uncontrollable systems . therefore a new method for stabilization of uncontrollable systems is established 摘要关于不能控系统的状态反馈镇定问题,经典的提法是假定其不能控子系统是渐近稳定动。由于变数代换的原因,该条件没有明确的实际意义,不便于应用。本文利用部分变分稳定性理论建立新的解法。