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http://dx.doi.org/10.6109/jkiice.2012.16.1.041

Reflection Noise Rejection of Ultrasonic Sensor using Scheduling Firing Method  

Jin, Tae-Seok (동서대학교 메카트로닉스공학과)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.16, no.1, 2012 , pp. 41-47 More about this Journal
Abstract
In this paper, we proposed a new method which analyzes and eliminates errors occurring by multi-reflection of ultrasonic firing in mobile robot application. This new method allows ultrasonic sensors to fire at rates that are three times faster than those customary in conventional applications readings due to ultrasonic noise disturbance. It is possible them to collect and predict sensor data much faster than conventional methods. Furthermore, this method's capability allows mobile robot to navigate in a complex and unknown environment and to collaborate in the same environment with multiple mobile robot, even if their ultrasonic sensors operate. And it's usefulness to avoid moving obstacles by capability of rapid collecting data. Finally, we present experimental results that demonstrate the performances of the new proposed method by experiments in a multi-reflective environment.
Keywords
ultrasonic sensor; crosstalk; mobile robot; noise; obstacle avoidance;
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