JRM Vol.11 No.1 pp. 13-16
doi: 10.20965/jrm.1999.p0013


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

February 20, 1998
June 5, 1998
February 20, 1999
ultasonic sensor, normal wall direction, mobile robot, high speed measurement
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.
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Last updated on May. 10, 2024