Under certain conditions, the designed variable structure control law makes the sliding mode along a specified sliding manifold invariable to the systemperturbation and external disturbances.
This paper introduces the application of the means of perturbation in hard spring system.
本文介绍了微扰法在硬弹簧系统中的应用。
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The difference type direction integration is used for solving dynamic - equation, its calculation assumption causes a "calculation perturbation" effects to the system.