The dynamic stability of a laboratory model of a truck crane

被引：20
|
作者：
Sochacki, W. [1 ]
机构：
[1] Czestochowa Tech Univ, Inst Mech & Machine Design Fdn, PL-42200 Czestochowa, Poland
来源：
THIN-WALLED STRUCTURES | 2007年 / 45卷 / 10-11期
关键词：
truck crane; dynamic instability; mathieu equation;
D O I：
10.1016/j.tws.2007.08.023
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
In the work the dynamic stability of laboratory model of the truck crane is considered. The results in the form of frequency curves for changing the geometry of the system have been presented. Solution of the Mathieu equation enables one to determine the dynamic stability regions of the system. It has been found that, for each of the studied examples, there exists such a rope length for which the critical value of the coefficient a in the Mathieu equation is obtained. That means that for specified geometrical and load conditions, the system may loose its dynamic stability (unless vibration damping is considered). (c) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：927 / 930
页数：4
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