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Study on Non-Contact Hold and Transfer Control of Spherical Magnetic Body by Magnetic Robot Hand with Prototype Gap Sensor System
Hiroyuki Kojima*, Osamu Itagaki*, Toshikazu Okabe,* and Toshio Kobayashi*
*Faculty of Engineering, Gunma University, 1-5-1 Tenjin-cho, Kiryu-shi, Gunma 376, Japan
Received:April 17, 1997Accepted:May 9, 1997Published:October 20, 1997
Keywords:Prototype gap sensor system, Magnetic robot hand, Non-contact hold and transfer control, Magnetic flux density sensor, Exciting current sensor, Data base calculation system
In the exploitation of magnetic robot hands, it is extremely important to develop a gap sensor with high and stable performance for the relative motion in three-dimensional space between the held body and the magnetic robot hand. In this study, first, a prototype gap sensor system is developed for the instrument of the gap between a magnetic robot hand and a spherical magnetic body held and transferred without contact. The prototype gap sensor system consists of a magnetic flux sensor, an exciting current sensor and a data base calculation system. The data base calculation system is constructed using instrument data obtained in previous experiments for the gap, the magnetic flux and the exciting current. The magnetic robot hand is composed of a prototype gap sensor system and an electromagnet. Second, experiments on the noncontact hold and transfer control of the spherical magnetic body are carried out and it is confirmed that the spherical magnetic body can be held and transferred successfully without contact between the magnetic robot hand and the prototype gap sensor system.
Cite this article as:H. Kojima, O. Itagaki, T. Okabe, and T. Kobayashi, “Study on Non-Contact Hold and Transfer Control of Spherical Magnetic Body by Magnetic Robot Hand with Prototype Gap Sensor System,” J. Robot. Mechatron., Vol.9 No.5, pp. 412-418, 1997.Data files: