Abstract
Six DOF offset sensing between two plates is important for automatic docking mechanisms. This paper presents an easy and inexpensive implementation of such a system using four commercial-off-the-shelf (COTS) infrared (IR) light emitting diode (LED) emitters and two COTS IR receivers on each of two docking plates. The angular intensity distribution of an emitter and the sensitivity distribution of a receiver allow for estimation of the angle and distance between them. Simple experiments have been conducted indicating that such a setup is able to give positional offset in any of 6 degrees of error (x, y, z, pitch, roll, and yaw) within a range. A theoretical framework is also established using least squares minimization. The theoretical framework is general and applies to other configurations of emitter and receiver parts and positioning.
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© 2001 Springer-Verlag Berlin Heidelberg
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Roufas, K., Zhang, Y., Duff, D., Yim, M. (2001). Six Degree of Freedom Sensing For Docking Using IR LED Emitters and Receivers. In: Rus, D., Singh, S. (eds) Experimental Robotics VII. Lecture Notes in Control and Information Sciences, vol 271. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-45118-8_10
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DOI: https://doi.org/10.1007/3-540-45118-8_10
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