Current and speed digital control of commutationless DC drives

J.L. Duarte; J.F. Aubry; C. Iung

doi:10.1109/41.43006

Current and speed digital control of commutationless DC drives

J.L. Duarte, J.F. Aubry, C. Iung

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Abstract

The digital control of commutationless DC drives using a minimal hardware structure is discussed. The authors present a low-cost monochip microcomputer-based control system for speed regulation and current limitation that has no current measurement of a DC motor fed by thyristors in discontinuous current-mode operation. With this system, the speed of the drive is controlled by a classical algorithm using the Z transform. The thyristor firing is synchronized with the power supply and controlled by internal interrupts of the microcomputer. The current limitation is augmented by an estimation algorithm using an experimental simplified model. Results are presented for a 1 kW DC drive

Original language	English
Pages (from-to)	480-484
Journal	IEEE Transactions on Industrial Electronics
Volume	36
Issue number	4
DOIs	https://doi.org/10.1109/41.43006
Publication status	Published - 1989

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title = "Current and speed digital control of commutationless DC drives",

abstract = "The digital control of commutationless DC drives using a minimal hardware structure is discussed. The authors present a low-cost monochip microcomputer-based control system for speed regulation and current limitation that has no current measurement of a DC motor fed by thyristors in discontinuous current-mode operation. With this system, the speed of the drive is controlled by a classical algorithm using the Z transform. The thyristor firing is synchronized with the power supply and controlled by internal interrupts of the microcomputer. The current limitation is augmented by an estimation algorithm using an experimental simplified model. Results are presented for a 1 kW DC drive",

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AU - Iung, C.

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AB - The digital control of commutationless DC drives using a minimal hardware structure is discussed. The authors present a low-cost monochip microcomputer-based control system for speed regulation and current limitation that has no current measurement of a DC motor fed by thyristors in discontinuous current-mode operation. With this system, the speed of the drive is controlled by a classical algorithm using the Z transform. The thyristor firing is synchronized with the power supply and controlled by internal interrupts of the microcomputer. The current limitation is augmented by an estimation algorithm using an experimental simplified model. Results are presented for a 1 kW DC drive

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Current and speed digital control of commutationless DC drives

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