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http://dx.doi.org/10.5302/J.ICROS.2004.10.7.649

Development of Intelligent Rain Sensing Algorithm for Vision-based Smart Wiper System  

Lee, Kyung-Chang (부산대학교 기계공학부)
Kim, Man-Ho (부산대학교 기계공학부)
Lee, Seok (부산대학교 기계공학부)
Publication Information
Journal of Institute of Control, Robotics and Systems / v.10, no.7, 2004 , pp. 649-657 More about this Journal
Abstract
A windshield wiper system plays a key part in assurance of driver's safety at rainfall. However, because quantity of rain and snow vary irregularly according to time and velocity of automotive, a driver changes speed and operation period of a wiper from time to time in order to secure enough visual field in the traditional windshield wiper system. Because a manual operation of wiper distracts driver's sensitivity and causes inadvertent driving, this is becoming direct cause of traffic accident. Therefore, this paper presents the basic architecture of vision-based smart wiper system and the rain sensing algorithm that regulate speed and interval of wiper automatically according to quantity of rain or snow. Also, this paper introduces the fuzzy wiper control algorithm based on human's expertise, and evaluates performance of suggested algorithm in the simulator model. Especially the vision sensor can measure wider area relatively than the optical rain sensor, hence, this grasps rainfall state more exactly in case disturbance occurs.
Keywords
smart wiper system; intelligent vehicle; rain sensing algorithm; wiper control; vision sensor; fuzzy control;
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