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Subject Keyword Abstract Author
 
 
Experiments of optimal delay extraction algorithm using adaptive time-delay filter for improved vibration suppression

Joo-Han Park
The Journal of Mechanical Science and Technology, vol. 23, no. 4, pp.997-1000, 2009

Abstract : In the previously introduced direct adaptive command shaping filter (ACSF), the time-delay value is fixed and only the magnitudes of the impulses are learned. The performance of the direct adaptive time-delay command shaping filter, however, depends on the select time-delay. In this paper, the authors introduce a new scheme to extract the optimal time-delay value for the improved vibration suppression in flexible motion system. To develop the optimal time-delay extraction scheme, the authors have analyzed the effect of the time-delay value on the performance of the direct ACSF. Based on the analysis result the authors have established a set of equations to extract the optimal time-delay toward the optimal vibration suppression performance of ACSF. Experimental results using a gantry robot with a single flexible link show the effectiveness of the proposed time-delay adaptation approach for the improved vibration suppression.

Keyword : Adaptive command shaping; Optimal time-delay; Vibration suppression; Flexible manipulator

 
 
 
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