Power conversion and signal transmission integration method based on dual modulation of DC-DC converters

Jiande Wu, Jin Du, Zhengyu Lin, Yihua Hu, Chongwen Zhao, Xiangning He

Research output: Contribution to journalArticle

Abstract

For the development of communication systems such as Internet of Things, integrating communication with power supplies is an attractive solution to reduce supply cost. This paper presents a novel method of power/signal dual modulation (PSDM), by which signal transmission is integrated with power conversion. This method takes advantage of the intrinsic ripple initiated in switch mode power supplies as signal carriers, by which cost-effective communications can be realized. The principles of PSDM are discussed, and two basic dual modulation methods (specifically PWM/FSK and PWM/PSK) are concluded. The key points of designing a PWM/FSK system, including topology selection, carrier shape, and carrier frequency, are discussed to provide theoretical guidelines. A practical signal modulation-demodulation method is given, and a prototype system provides experimental results to verify the effectiveness of the proposed solution.

Original languageEnglish
Pages (from-to)1291-1300
Number of pages10
JournalIEEE Transactions on Industrial Electronics
Volume62
Issue number2
Early online date8 Jul 2014
DOIs
Publication statusPublished - Feb 2015

Fingerprint

DC-DC converters
Modulation
Pulse width modulation
Frequency shift keying
Phase shift keying
Communication
Demodulation
Costs
Communication systems
Switches
Topology

Bibliographical note

© 2014 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

Keywords

  • distributed power systems
  • power electronics
  • power line communication (PLC)
  • power/signal dual modulation (PSDM)
  • pulsewidth modulation (PWM)

Cite this

Wu, Jiande ; Du, Jin ; Lin, Zhengyu ; Hu, Yihua ; Zhao, Chongwen ; He, Xiangning. / Power conversion and signal transmission integration method based on dual modulation of DC-DC converters. In: IEEE Transactions on Industrial Electronics. 2015 ; Vol. 62, No. 2. pp. 1291-1300.
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Power conversion and signal transmission integration method based on dual modulation of DC-DC converters. / Wu, Jiande; Du, Jin; Lin, Zhengyu; Hu, Yihua; Zhao, Chongwen; He, Xiangning.

In: IEEE Transactions on Industrial Electronics, Vol. 62, No. 2, 02.2015, p. 1291-1300.

Research output: Contribution to journalArticle

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