基于模态参数辨识的泵车臂架系统振动控制研究

李建涛 1,2,邓华 1,姜圣 2,姜文君3

振动与冲击 ›› 2019, Vol. 38 ›› Issue (7) : 99-104.

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PDF(1131 KB)
振动与冲击 ›› 2019, Vol. 38 ›› Issue (7) : 99-104.
论文

基于模态参数辨识的泵车臂架系统振动控制研究

  • 李建涛 1,2,邓华 1,姜圣 2,姜文君3
作者信息 +

Vibration control of a pump truck boom system based on modal parametric identification

  • LI Jiantao1,2, DENG Hua1, JIANG Sheng2, JIANG Wenjun3
Author information +
文章历史 +

摘要

针对泵车施工过程中的臂架多种姿态进行数据分析,宏观分为3种典型姿态,通过有限元计算、试验模态参数辨识并对比验证,建立臂架典型姿态与模态频率关系库,结合数值拟合公式可快速计算任意姿态的模态参数;提出基于模态分析的共振规避和主动阻尼振动控制的臂架减振策略。同时在典型工况水平姿态下进行试验,验证了臂架振动控制策略的有效性。

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.

关键词

臂架系统动力学 / 悬臂输送管 / 模态参数辨识 / 共振规避 / 主动阻尼振动控制

Key words

boom system dynamics / cantilever pipe / modal parameter identification / resonance avoidance / active damping vibration control

引用本文

导出引用
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 Jiantao1,2, DENG Hua1, JIANG Sheng2, JIANG Wenjun3. Vibration control of a pump truck boom system based on modal parametric identification[J]. Journal of Vibration and Shock, 2019, 38(7): 99-104

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