Liu, Z., Zhang, B. and Zhou, K. (2016) Fractional-Order Phase Lead Compensation for Multi-Rate Repetitive Control On Three-Phase PWM DC/AC Inverter. In: 2016 IEEE Applied Power Electronics Conference and Exposition (APEC), Long Beach, CA ,USA, 20-24 Mar 2016, pp. 1155-1162. (doi: 10.1109/APEC.2016.7468015)
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Abstract
For constant voltage constant frequency pulse-width modulation (PWM) inverter system, repetitive control (RC) can achieve zero steady-state tracking error for any periodic signal. Multi-rate repetitive control (MRC), which is featured by a fast system sampling rate and a reduced RC rate, is able to lower CPU computation load while achieving low tracking error and fast convergence speed. To accurately compensate the phase lag of MRC, this paper proposes a fractional-order phase lead compensation solution to further improve the tracking performance. Implemented with a Lagrange polynomial, the fractional-order phase lead compensator has more accurate and flexible phase lead compensation than traditional phase lead compensator. Experimental results are provided to show the effectiveness of the proposed fractional-order phase lead compensation.
Item Type: | Conference Proceedings |
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Status: | Published |
Refereed: | Yes |
Glasgow Author(s) Enlighten ID: | Zhou, Dr Keliang |
Authors: | Liu, Z., Zhang, B., and Zhou, K. |
College/School: | College of Science and Engineering > School of Engineering > Systems Power and Energy |
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