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Development of Highly Reliable Resistor for Vehicle Potentiometer
Technical Paper
2000-05-0033
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English
Abstract
In order to improve reliability of potentiometer, mechanism of output noise between sliding contact and resistor is investigated. As a result of analysis, abrasion dust is proved to behave as insulation because of the conductive carbon separation. Furthermore, adsorption of volatile from the components of potentiometer is proved to increase stickiness of abrasion dust. Therefore, noise is output when the contact brush steps over the abrasion dust. On the basis of the mechanism, reduction of abrasion dust amount and stickiness is found to effective to improve reliability of potentiometer.
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Citation
TOTOKAWA, M. and SUZUKI, H., "Development of Highly Reliable Resistor for Vehicle Potentiometer," SAE Technical Paper 2000-05-0033, 2000.Also In
References
- Murai Takahito Jidousya Gijyutukai Gakujyutukouenkai Maezurisyuu 912 1991
- Saitou Misturu Long life potentiometric position sensor
- Carbon Black Association Japan Carbon Black Handbook
- Enomoto Yuji Tribology of Thin Films University of Tokyo Pres. 1994