Microcomputer-controlled torque calculator in DC drives

The indirect method for torque measurement in DC drives is presented. The microcomputer-controlled device calculates the torque from a voltage, a current, and a speed signal, using some preliminary stored values of parameters and characteristics. To avoid the temperature dependency of the resistance...

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Bibliographic Details
Published in:IEEE transactions on industry applications 1989-01, Vol.25 (1), p.113-118
Main Authors: De Meester, J., Reekmans, R., Vandenput, A.J.A., Belmans, R.J.M., Geysen, W.J.D.
Format: Article
Language:English
Subjects:
Applied sciences
Bridge circuits
DC machines
Electrical engineering. Electrical power engineering
Electrical machines
Electrical resistance measurement
Electromagnetic forces
Electromagnetic measurements
Exact sciences and technology
Force measurement
Regulation and control
Strain measurement
Temperature dependence
Torque measurement
Voltage measurement
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Summary:The indirect method for torque measurement in DC drives is presented. The microcomputer-controlled device calculates the torque from a voltage, a current, and a speed signal, using some preliminary stored values of parameters and characteristics. To avoid the temperature dependency of the resistance, the electromotive force (instead of the terminal voltage) is indirectly measured using a so-called electromagnetic force bridge. Experimental results prove the accuracy and the convenience of this method. It is concluded that the greatest merit of the indirect method consists in the fact that no mechanical impact on the installation is necessary.< >
ISSN:0093-9994
1939-9367
DOI:10.1109/28.18880