Sensorless control for linear compressors

Ji Won Sung, Chel Woong Lee, Gyu Sik Kim, T. A. Lipo, Chung Yuen Won, Sewan Choi

Research output: Contribution to journalArticlepeer-review

25 Scopus citations

Abstract

A closed-loop sensorless stroke control system for a linear compressor has been designed. The motor parameters are identified as a function of the piston position and the motor current. They are stored in ROM table and used later for the accurate estimation of piston position. Also it was attempted to approximate the identified motor parameters to the 2nd-order surface functions. Some experimental results are given in order to show the feasibility of the proposed control schemes for linear compressors.

Original languageEnglish
Pages (from-to)273-286
Number of pages14
JournalInternational Journal of Applied Electromagnetics and Mechanics
Volume24
Issue number3-4
DOIs
StatePublished - 2006

Keywords

  • Identified motor parameters
  • Linear compressor
  • Sensorless stroke control

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