Self-Sencing Control Research on a Linear Compressor

Li Qin Zhang; Guo Hong Peng; Hui Ming Zou; Chang Qing Tian

doi:10.4028/www.scientific.net/AMR.201-203.2385

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 201-203Self-Sencing Control Research on a Linear...

Self-Sencing Control Research on a Linear Compressor

Abstract:

Compared to conventional compressors, the linear compressor with a free piston can improve efficiency and save energy, but the displacement varies due to different load conditions, which seriously influences its performance. In this paper, based on the theoretical analysis, a self-sensing control system with a SPWM inverter and a PC software interface for a moving-magnet linear compressor is developed, and the displacement of the linear compressor which is under control is tested. The result shows the error of the control system is under 0.2mm, and the accuracy fulfils the requirements.

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Periodical:

Advanced Materials Research (Volumes 201-203)

Pages:

2385-2390

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.201-203.2385

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Online since:

February 2011

Authors:

Li Qin Zhang, Guo Hong Peng, Hui Ming Zou, Chang Qing Tian

Keywords:

Linear Compressor, Moving-Magnet, Self-Sensing Control, SPWM

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