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Control Design for Optimizing Efficiency in Inductive Power Transfer Systems

delete2018-05-01
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黄智聪 cover
黄智聪 (Zhicong Huang)
S
Siu‐Chung Wong *
C
Chi K. Tse
DOI:10.1109/TPEL.2017.2724039delete
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Abstract

Abstract

En 中文
Inductive power transfer (IPT) converters are resonant converters that attain optimal energy efficiencies for a certain load range. To achieve maximum efficiency, it is common to cascade the IPT converter with front-side and load-side dc/dc converters. The two dc/dc converters are normally controlled cooperatively for the requirements of output regulation and maximum efficiency tracking using a control technique based on perturbation and observation, which is inevitably slow in response. In this paper, a decoupled control technique is developed. The load-side dc/dc converter is solely responsible for output regulation, while the front-side converter is responsible for impedance-matching of the IPT converter by controlling its input-to-output voltage ratio. The controls are linear and therefore fast. DC and small-signal transfer functions are derived for designing the control parameters. The performances of fast regulation and high efficiency of the IPT converter system are verified using a prototype system.
Keywords:
Control for maximum efficiency
inductive power transfer (IPT)
wireless power transfer
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Journal

IEEE Transactions on Power Electronics cover
IEEE Transactions on Power Electronics
IF:
6.5
Papers:
1.7W
Citations:
8.3W

Organization

H
hong kong polytechnic university
Scholars:
3.0W
Papers: 4.1W
Citations: 921