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TECHNICAL PAPERS

Dynamometer Performance Modeling and Experimental Assessment

[+] Author and Article Information
Najeh Tounsi

McMaster University, JHE 316, 1280 Main Street West, Hamilton, Ontario, L8S 4L7, Canadae-mail: tounsin@immrc.eng.mcmaster.ca

Alain Otho

Laboratoire MECASURF, Groupe, Mécanique et Procédés de Fabrication, E.N.S.A.M-2, cours des Arts et Métiers, 13617 Aix-en-Provence, France

J. Dyn. Sys., Meas., Control 122(3), 477-482 (Jul 23, 1998) (6 pages) doi:10.1115/1.1286519 History: Received July 23, 1998
Copyright © 2000 by ASME
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References

Minis,  I. E., Magrab,  E. B., and Pandelidis,  I. O., 1990, “Improved Methods of Chatter in Turning,” ASME J. Eng. Ind. 112, pp. 12–20.
Tlusty, J., Jang, D. Y., and Tarng, Y. S., 1987, “Measurement of the Milling Force Over the Wide Approved Dynamic Response,” Proc. 15th NAMRC, pp. 273–280.
Chung,  Y. L., and Spiewak,  S. A., 1994, “A Model of High Performance Dynamometer,” ASME J. Eng. Ind. 116, pp. 279–288.
Lapujoulade, F., 1997, “Measuring of Cutting Forces During Fast Transient Periods,” 1st French & German Conference on High Speed Machining, University of Metz, France, pp. 372–376.
Welch,  P. D., 1967, “The Use of Fast Fourier Transform for the Estimation of Power Spectra: A Method Based on Time Averaging Over Short, Modified Periodograms,” IEEE Trans. Audio Electroacoust., 15, Aug. pp. 70–73.
Mirski,  F., 1970, “Dynamique de la Machine Outil,” La Machine Outil Francaise,260, pp. 117–120.
Newland, D. E., 1993, An Introduction to Random Vibrations, Spectral and Wavelet Analysis, Longman Scientific & Technical, England, pp. 206–211.

Figures

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Chock signal measured by Kistler dynamometer
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(a) Signal measured during interrupted cutting. (b) Signal extracted from measured one.
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Comparison between 1 (thin line) and fm (thick line) components, case of disposition 1
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Comparison between 1 (thin line) and fm (thick line) components, case of disposition 2
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Kistler dynamometer transfer matrix, case of disposition 1. 400 rpm (thin line), 630 rpm (thick line).
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Kistler dynamometer transfer matrix, case of disposition 2. 400 rpm (thin line), 630 rpm (thick line).
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Verification of the Kistler dynamometer transfer matrix identification. Measured power spectrum (thin line), calculated power spectrum (dashed line).
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Presence of rotational motion: M4 (thin line), M5 (thick line)
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Compensation of signals delivered by Kistler dynamometer, case of disposition 2. Signal delivered by Kistler dynamometer (thin line), signal compensated (thick line).

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