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Design of a high performance digital tachometer with a microcontroller

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1 Author(s)
Bonert, Richard ; Dept. of Electr. Eng., Toronto Univ., Ont., Canada

The design of a very flexible, low-cost speed evaluation system is presented. The system provides fast dynamic response and high accuracy over a wide speed range. The design is suitable for a broad range of applications and can be integrated as part of an existing tachometer assembly. Hardware requirements and appropriate software structures for a microcontroller implementation are discussed. The algorithm used to calculate the speed is based on the method of constant elapsed time. The predicted performance is verified experimentally

Published in:

Instrumentation and Measurement, IEEE Transactions on  (Volume:38 ,  Issue: 6 )

Date of Publication:

Dec 1989

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