An accurate pipe length measurement using an acoustic sensor

被引:0
|
作者
Okamoto, M [1 ]
Tanaka, S [1 ]
机构
[1] Yamaguchi Univ, Fac Engn, Yamaguchi, Japan
关键词
pipe length; open end compensation; stationary wave; a linear dynamic model; Kalman filter; maximum likelihood method;
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 on-line length measurement system for pipes with closed ends by making use of the stationary waves in the pipes. The system adopted sound pressures and their derivatives of several modes of the stationary waves as the state variables of a linear dynamic system and reduced the length measurement to a parameter estimation problem, and thereby realized a highly accurate real-time pipe length measurement. This paper presents a new length measurement system for pipes with open ends.
引用
收藏
页码:1105 / 1106
页数:2
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