To improve the dynamic response capability of the system, a variable switch gain SMC is designed in this paper.It has faster response speed and chattering-reduction ability.

• 为了进一步改善系统的动态响应能力，本文设计了一种变切换增益滑模控制器，该控制器不仅具有快的响应速度，而且能有效削弱抖振。