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Advanced measurement of rotor vibration in electric drives

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2 Author(s)
Pyrhonen, O. ; Lappeenranta Univ. of Technol., Finland ; Eskelinen, Pekka

The combination of microelectronic acceleration transducers and an RF telemetry link can provide a reliable means of measuring shaft vibrations of electric drives. Clear advantages include the possibility of installing the instrumentation into currently existing motor systems without any need to use flexible couplings or mounts. The proposed system covers frequencies up to several kilohertz and can handle torque transients of 20 Nm with a typical uncertainty of 1%. The preliminary system is extendable to cover adaptive control of dynamic drive performance and can be customized to specific speed and torque ranges

Published in:

Aerospace and Electronic Systems Magazine, IEEE  (Volume:13 ,  Issue: 5 )