Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/25233
Title: Error due to two-force excitation in moment mobility measurement
Authors: Tao, H
Mak, CM 
Keywords: Error
Excitation
Measurement
Moment mobility
Two-force configuration
Issue Date: 2007
Publisher: Pergamon Press
Source: Applied acoustics, 2007, v. 68, no. 11-12, p. 1494-1501 How to cite?
Journal: Applied acoustics 
Abstract: In direct moment mobility measurement, one difficulty is the moment excitation. Two-force configuration excitation is widely used to generate moment in practice. Previous error analysis mainly focused on the initial load of exciters, the matching of the two forces, and the system resonance. In this paper, the distance requirement of two-force configuration in moment excitation is investigated. Based on the numerical calculation, other factors that affect the error in moment mobility measurement are discussed. The influence of the deduced distance requirement on moment mobility measurement is also explained.
URI: http://hdl.handle.net/10397/25233
ISSN: 0003-682X
EISSN: 1872-910X
DOI: 10.1016/j.apacoust.2006.07.020
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