IEEJ Transactions on Electronics, Information and Systems
Online ISSN : 1348-8155
Print ISSN : 0385-4221
ISSN-L : 0385-4221
<Systems, Instrument, Control>
Load-side Sensor-less Speed Regulation of a Two-Inertia System with an Eccentricity
Takashi OkadaKaoru InoueToshiji Kato
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2013 Volume 133 Issue 11 Pages 2029-2036

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Abstract

Motor drive systems are widely used in the industrial field. The rotor stiffness turns down relatively due to the demand of weight saving, and so on. Then the torsional vibration in the drive system appears because of the elasticity of shaft. Such systems consisting a motor and a load with elastic shaft often are modeled as the two-inertia system. When the eccentricity exists in the load, the system has difficulty to follow the constant load speed reference. This paper proposes both an identification method of the eccentricity in the load and a control method to regulate the rotating speed of load without using load-side sensors when the eccentricity exists.

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© 2013 by the Institute of Electrical Engineers of Japan
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