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All Journal International Journal of Power Electronics and Drive Systems (IJPEDS)
Akshya Swain
University of Auckland
Control & Systems Engineering Electrical & Electronics Engineering

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Using sigma-delta quantizer Based PI for inductive power transfer systems Dhafer J. Almakhles; Akshya Swain; Hou Yuefeng
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 11, No 3: September 2020
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (803.206 KB) | DOI: 10.11591/ijpeds.v11.i3.pp1449-1458

Abstract

In this paper, a Sigma-Delta Quantizer (∑∆-Q) based Proportional and Integral control is proposed for a wireless power transfer control system, namely inductive power transfer system. The proposed control topology employs ∑∆-Qs to convert the conventional signals (analog/digital signals) into bitsreatm signals (1-bit per sample time). Considering the oversampling feature of ∑∆-Q, field programmable gate array is utilized in the implementation of the control system. To evaluate the effectiveness of the presented control topology, it is compared with an inductive power transfer control system using the conventional proportional and integral controller. For the sake of simplicity, the comparison is carried out using hardware in Loop. Both control systems exhibit almost identical responses. However, the bitstream feature of the proposed PI controller significantly helps in reducing the hardware resources (logic elements) in field programmable gate array. In addition, less wire routing and computational complexity is achieved due to absence of multipliers.
Co-Authors Dhafer J. Almakhles Hou Yuefeng