A novel vibration structure for dynamic balancing measurement

被引：0
|
作者：
Qin Peng [1 ]
Cai Ping [1 ]
Hu Qinghan [1 ]
Li Yingxia [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Dept Instrument Sci & Engn, Shanghai 200240, Peoples R China
来源：
THIRD INTERNATIONAL SYMPOSIUM ON PRECISION MECHANICAL MEASUREMENTS, PTS 1 AND 2 | 2006年 / 6280卷
关键词：
dynamic balancing; vibration system; instantaneous motion center; piezoelectric sensor; plane separation;
D O I：
10.1117/12.716344
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Based on the conception of instantaneous motion center in theoretical mechanics, the paper presents a novel virtual vibration structure for dynamic balancing measurement with high precision. The structural features and the unbalancing response characteristics of this vibration structure are analyzed in depth. The relation between the real measuring system and the virtual one is emphatically expounded. Theoretical analysis indicates that the flexibly hinged integrative plate spring sets holds fixed vibration center, with the result that this vibration system has the most excellent effect of plane separation. In addition, the sensors are mounted on the same longitudinal section. Thus the influence of phase error on the primary unbalance reduction ratio is eliminated. Furthermore, the performance changes in sensors caused by environmental factor have less influence on the accuracy of the measurement. The result for this system is more accurate measurement with lower requirement for a second correction run.
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页数：7
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