Vibration control of a pump truck boom system based on modal parametric identification
LI Jiantao1,2, DENG Hua1, JIANG Sheng2, JIANG Wenjun3
1. School of Mechanical and Electrical Engineering,Central South University,Changsha 410083,China;
2. Sany Group Co Ltd,Changsha 410100,China;
3. College of Computer Science and Electronic Engineering,Hunan University,Changsha 410082,China
Abstract：Multi-attitude data of its boom system in a pump truck construction process were analyzed. Generally,there were 3 types of typical attitudes. Through finite element calculation,test modal parametric identification and their results comparison,the relation database of boom attitudes and modal frequency was established to quickly calculate modal parameters of any attitude combining with a numerical fitting formula. Based on modal analysis,a vibration reduction strategy including resonance avoidance and active damping vibration control was proposed. Tests under typical working conditions and horizontal attitude were conducted to verify the effectiveness of the proposed vibration control strategy for the boom system.
李建涛 1，2，邓华 1，姜圣 2，姜文君3. 基于模态参数辨识的泵车臂架系统振动控制研究[J]. 振动与冲击, 2019, 38(7): 99-104.
LI Jiantao1,2, DENG Hua1, JIANG Sheng2, JIANG Wenjun3. Vibration control of a pump truck boom system based on modal parametric identification. JOURNAL OF VIBRATION AND SHOCK, 2019, 38(7): 99-104.
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