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High-Speed Measurement of Normal Wall Direction by Ultrasonic Sensor
Akihisa Ohya*, Yoshiaki Nagashima** and Shin’ichi Yuta*
*Intelligent Robot Laboratory, Institute of Information Science and Electronics, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8573, Japan
**Hitachi, Ltd. Power & Industrial Systems R&D Division, 7-2-1 Omika-cho, Hitachi-shi, Ibaraki 319-1221, Japan
Received:February 20, 1998Accepted:June 5, 1998Published:February 20, 1999
Keywords:ultasonic sensor, normal wall direction, mobile robot, high speed measurement
Abstract
In novel ultrasonic sensing that measures normal wall direction, wall inclination is calculated from the difference of round-trip time-of-flight detected using plural receivers. This system has four receivers for error correction using an inconsistency check of propagation time.
Cite this article as:A. Ohya, Y. Nagashima, and S. Yuta, “High-Speed Measurement of Normal Wall Direction by Ultrasonic Sensor,” J. Robot. Mechatron., Vol.11 No.1, pp. 13-16, 1999.Data files:
