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Development for Digital-Type Ultrasonic Sensor Self-Developed Tuning Tool (First Report)
Published May 19, 2010 by Society of Automotive Engineers of Japan in Japan
Event: JSAE Spring Conference
A conventional ultrasonic system will be replaced with a digital-type ultrasonic sensor system, which is better for cost-reduction and performance aspect than the old one. But the digital-type ultrasonic sensor system normally cannot provide ultrasonic echo signals from obstacle, which means quantitative sensor tuning is impossible. The reason for this is that every single element for ultrasonic application is integrated on ASIC in the digital-type ultrasonic sensor. But this weak point of the digital-type ultrasonic sensor has been solved by an ASIC improved by HMC, self-developed tuning communication protocol and a tuning program. From now on, the meaning and description of HMC digital-type sensor system will be dealt with in this article.