By Marko Tomasic, R.-D. Klug
| EPE-PEMC 2004 - Topic 09-3: Drives in steel industry | ||
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| | A Control Concept For Variable Frequency Periodical Disturbances
By Marko Tomasic, R.-D. Klug | |
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Abstract: In the industrial drive applications periodical
disturbances occur, caused in many cases by eccentricities in the
transmission system or by the load characteristic itself. Based on
the filtered periodical component of the contrlo errora feedforward
circuitry is realized which damps the oscillations of the
controlled value. The feed forward is based on the repetitive
control principles, however with the difference that the
repetitiveness of the signal is not time based but position or
angle based.
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