An accurate pipe length measurement under noisy environment using stationary waves

被引:0
|
作者
Nakayama, M [1 ]
Okamoto, M [1 ]
Tanaka, S [1 ]
机构
[1] Yamaguchi Univ, Fac Engn, Ube, Yamaguchi 7558611, Japan
关键词
stationary wave; linear dynamic model; maximum likelihood method; noisy environment; optimal data window; optimal mode;
D O I
暂无
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
The authors previously developed an accurate pipe length measurement system using stationary waves in pipes. For pipes with open ends in manufacturing fields, however, the system cannot always be directly applied, because noises from outside the pipes enter them at their open ends and disturb the stationary waves inside the pipes and cause successive phase shifts in the stationary waves. The paper proposes a measurement system which realizes an accurate pipe length measurement under such a noisy environment by selecting the optimal data window and the optimal modes.
引用
收藏
页码:1151 / 1154
页数:4
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