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Proceedings Paper

Design of compressor ratio power tester with condition protection function based on virtual instrument
Author(s): Qunfeng Niu; Lia Wang; Junren Huang
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Paper Abstract

Ratio power is one of the important performance parameters of compressor. The paper researched the compressor automatic test technology based on Virtual Instrument and then designed a convenient and high efficiency compressor ratio power tester with additional condition protection function applied in industry field. In the paper, a test scheme with PXI bus hardware and LabVIEW software was proposed. Then, based on research of vibration signal process method, realization arithmetic of automatic computational parameters tables search and theory of wavelet packet frequency band divided energy, an intelligent ratio power tester was introduced in detail. The instrument can monitor compressor running condition before or in the process of testing the value of ratio power, obtain each relate tested parameter automatically and show change trend, compute values of multi-type compressor ratio powers with automatic tables search and also give the compressor performance estimate results. The testing field running results with a water-cooling two level compressor shows that the tester has exact and fast calculation and has virtues of high efficiency, reliable performance and convenient use.

Paper Details

Date Published: 31 December 2008
PDF: 7 pages
Proc. SPIE 7130, Fourth International Symposium on Precision Mechanical Measurements, 71304R (31 December 2008); doi: 10.1117/12.819731
Show Author Affiliations
Qunfeng Niu, Henan Univ. of Technology (China)
Lia Wang, Wuxi Compressor Co., Ltd. (China)
Junren Huang, Henan Univ. of Technology (China)

Published in SPIE Proceedings Vol. 7130:
Fourth International Symposium on Precision Mechanical Measurements
Yetai Fei; Kuang-Chao Fan; Rongsheng Lu, Editor(s)

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