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Control system and fault detection algorithm for a restored teeth fatigue assay machine

, , and . IEEE Conference on Emerging Technologies and Factory Automation, page 1--8. Palma, Spain, IEEE, (September 2009)
DOI: 10.1109/ETFA.2009.5347113

Abstract

In this work, the control system and fault detection al- gorithm applied on a real fatigue assay machine is ad- dressed. The objective of the machine is to apply peri- odical forces to restored teeth and to detect the teeth col- lapse calculating the number of cycles until the fault oc- curs. There is a Scottish yokemechanismthat converts the torque of a brushless motor on linear forces. This motor is driven by a power drive that receives the torque refer- ence from a computer operating on real-time, and where the fault detection algorithm is applied. There is also a user computer where the parameters of the assay are in- troduced and where the results are shown. In this work the control system that has been implemented is shown in detail and the developed fault algorithm with adaptive threshold for the system with several sampling times is ad- dressed.

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