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A Simplified Technique to Distinguish Unbalance and Misalignment Using Frequency Domain Operating Deflection Shape

Mohd Bakar, Mohd Mishani and Ong, Zhi Chao and Chong, Wen Tong and Khoo, Shin Yee and Abdul Ghaffar, Abdul Rahman (2015) A Simplified Technique to Distinguish Unbalance and Misalignment Using Frequency Domain Operating Deflection Shape. Jurnal Teknologi (Sciences and Engineering), 76 (8). pp. 1-4. ISSN 0127-9696 (print); 2180-3722 (online)

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Abstract

Machinery fault can be identified by performing Condition-Based Monitoring (CBM) program which rely on the machinery vibration data. However, the data which represented by the time wave and vibration spectrum requires technically trained personnel to understand and diagnose. In this research, a simplified technique through visualization of the Operating Deflection Shape (ODS) is proposed. The technique combines both the data of vibration amplitude and phase measurement. An ODS of a general machinery arrangement can be visualized from 4 measurement points. The technique is performed and tested in laboratory condition. Future CBM program should implement this technique because it helps untrained personnel to be able to distinguish primary machinery fault such as unbalance and misalignment easily by visualizing the machine motion.

Item Type: Article
Uncontrolled Keywords: Fault diagnostic, operating deflection shapes (ODS), condition-based monitoring (CBM), phase, unbalance, misalignment
Subjects: T Technology > TJ Mechanical engineering and machinery
Faculty/Division: Faculty of Mechanical Engineering
Depositing User: Mrs. Neng Sury Sulaiman
Date Deposited: 04 Dec 2015 02:31
Last Modified: 18 Dec 2015 07:54
URI: http://umpir.ump.edu.my/id/eprint/11138
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