This paper first describes a basic concept of IDCS (Inverse Dynamics Compensation via ‘Simulation of feedback control’), which is based on feedback simulation. Then, effectiveness of IDCS is demonstrated via inverse dynamics calculation of the non-linear system. In the latter half of the article, IDCS is applied to vibration control problems of a crane system with varying wire length. Several control simulations and experiments are conducted, then the effectiveness of the control system is shown.

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