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Sensorless control for linear compressors
- Authors
- Sung, JW[Sung, Ji Won]; Lee, CW[Lee, Chel Woong]; Kim, GS[Kim, Gyu-Sik]; Lipo, TA[Lipo, T. A.]; Won, CY[Won, Chung-Yuen]; Choi, S[Choi, Sewan]
- Issue Date
- 2006
- Publisher
- IOS PRESS
- Keywords
- sensorless stroke control; linear compressor; identified motor parameters
- Citation
- INTERNATIONAL JOURNAL OF APPLIED ELECTROMAGNETICS AND MECHANICS, v.24, no.3-4, pp.273 - 286
- Indexed
- SCIE
SCOPUS
- Volume
- 24
- Number
- 3-4
- Start Page
- 273
- End Page
- 286
- ISSN
- 1383-5416
- 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.
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