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IJAT Vol.5 No.4 pp. 587-593
doi: 10.20965/ijat.2011.p0587
(2011)

Paper:

Hybrid Control for Machine Tool Table Applying Sensorless Cutting Force Monitoring

Masaya Takei*, Daisuke Kurihara**, Seiichiro Katsura**,
and Yasuhiro Kakinuma**

*School of Integrated Design Engineering, Graduate School of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, Kanagawa 223-8522, Japan

**Department of System Design Engineering, Faculty of Science and Technology, Keio University

Received:
March 25, 2011
Accepted:
April 6, 2011
Published:
July 5, 2011
Keywords:
cutting force, monitoring, disturbance observer, cutting force control
Abstract

Accurate monitoring and adaptive control to maintain optimum machining conditions are required for intelligent machine tools. Methods using additional sensors have been studied to add these functions to machine tools; however, incorporating additional sensors leads to higher production costs and reductions in mechanical stiffness. In the present study, a sensorless method of monitoring cutting force that utilizes the current signal and the second-order derivative of position is developed. Moreover, applying sensorless cutting force monitoring, a hybrid control method is proposed in which the sensorless monitoring is used to simultaneously control both the position trajectory and cutting force in the feed direction.

Cite this article as:
M. Takei, D. Kurihara, S. Katsura, and <. Kakinuma, “Hybrid Control for Machine Tool Table Applying Sensorless Cutting Force Monitoring,” Int. J. Automation Technol., Vol.5, No.4, pp. 587-593, 2011.
Data files:
References
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Last updated on Nov. 18, 2019