Transactions of the Institute of Systems, Control and Information Engineers
Online ISSN : 2185-811X
Print ISSN : 1342-5668
On-line Collision Detection for Flexible Cantilevered Beams Using Innovation Process
Yuichi SAWADA
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2004 Volume 17 Issue 8 Pages 349-357

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Abstract

In this paper an effective on-line method is proposed for detecting a collision of flexible cantilevered beams such as manipulator with some unlooked-for obstacles. The mathematical model of the flexible cantilevered beam with the collision phenomena is described by an Euler-Bernoulli type partial differential equation with the model of the collision that is described by the time-space function. A scalar function (collision detection function) consisting of the innovation process of the Kalman filter for the finite-dimensional system corresponding to the mathematical model of the flexible beam is introduced for making a decision when a collision occurs. The numerical simulation and the experiment results show that the proposed on-line method obviously detects when the collision occurs.

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