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摘要: 在分析了几种离散变结构趋近律趋近过程的基础上, 提出了一种改进的趋近律, 该方法能够大幅度削弱抖振, 使系统运动最终趋于原点且不存在稳态振荡, 能使系统的准滑动模态保持步步穿越切换面的基本属性, 改善了趋近过程.Abstract: An improved discrete reaching law is presented based on the analysis of the reaching process of some discrete reaching law. The discrete-time variable structure control system which is designed by this reaching law can weaken the chattering, approach to zero diminishingly, and keep the basic property of quasi-sliding mode which can cross the switching surface step by step, and the reaching process is improved.
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Key words:
- Discrete-time system /
- variable structure control /
- discrete reaching law /
- chattering
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