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Vibration control of band saws: Theory and experiment

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Summary

Active vibration control is a key to the improvement of the cutting performance and productivity of band saws. In this paper a new method is presented for active control of band saw vibration. The transfer function of a closed-loop system consisting of the band saw, a feedback control law and the dynamics of the sensing and force actuation devices is derived. Analysis of the root loci of the closed-loop system gives two stability criteria. Stabilizing controller design is carried out for both collocation and dislocation of the sensors and actuators. It is found that vibration in all the modes can be damped through use of only one sensor and one actuator and that the control algorithms presented are realizable in practice. The theory presented is experimentally verified.

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Authors and Affiliations

  1. Department of Mechanical Engineering, University of California, 94720, Berkeley Berkeley, CA, USA

    B. Yang & C. D. Mote Jr

Authors
  1. B. Yang
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  2. C. D. Mote Jr
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Additional information

This work is supported by the National Science Foundation, the University of California Forest Products Laboratory, and the authors' group of industrial sponsors

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Yang, B., Mote, C.D. Vibration control of band saws: Theory and experiment. Wood Sci.Technol. 24, 355–373 (1990). https://doi.org/10.1007/BF00227056

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  • DOI: https://doi.org/10.1007/BF00227056

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