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Implementation of a PWM Regular Sampling Strategy for AC Drives
Date
1991-10-01
Author
Richardson, Julian
Kukrer, Osman T.
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The regular sampling technique offers a feasible basis for the microprocessor-control of inverters in pulsewidth modulated (PWM) ac drives. An implementation of this technique is presented for the speed control of an induction motor in the frequency range 5-105 Hz. Hardware and software design principles are outlined and discussed for an 8-bit microprocessor. Spectral analyses of the sampling technique with a sinusoidal modulating function and with a third harmonic added to this function are derived, with emphasis on the fundamental and dominant components. Experimental and computed results are presented for the motor control in steadystate, and for transient current and speed in closed-loop operation, with excellent correlation.
URI
https://hdl.handle.net/11511/64764
Journal
IEEE TRANSACTIONS ON POWER ELECTRONICS
DOI
https://doi.org/10.1109/63.97764
Collections
Department of Electrical and Electronics Engineering, Article
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J. Richardson and O. T. Kukrer, “Implementation of a PWM Regular Sampling Strategy for AC Drives,”
IEEE TRANSACTIONS ON POWER ELECTRONICS
, pp. 645–655, 1991, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/64764.