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吉林大学 机械工程学院,吉林 长春,130025
收稿日期:2005-08-12,
修回日期:2006-05-24,
纸质出版日期:2006
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刘国嵩, 杨志刚, 曾平, 程光明. 新型压电步进式二维精密驱动器[J]. 光学精密工程, 2006,14(4): 602-606
LIU Guo-song, YANG Zhi-gang, ZENG Ping, CHENG Guang-ming, . Novel sophisticate stepping 2-DOF piezoelectric actuator[J]. Editorial Office of Optics and Precision Engineering, 2006,14(4): 602-606
设计了新型压电步进式精密二维驱动器。以压电叠堆为驱动元件
在单体柔性结构上实现直线和旋转驱动二维精密驱动。同时利用独特的双侧对称箝位结构
保证工作的稳定性和准确性。进行了二维驱动器的有限元分析
通过大量试验研究
证明二维驱动器达到基本设计功能。试验结果表明:二维驱动器的旋转驱动分辨率达到0.45 rad
行程360
速度达到0.04 rads
-1
时
扭矩可达0.2 Nm;直线驱动分辨率40 nm
行程20 mm
速度19.2 mmmin
-1
时
驱动力可达近10 N
可实现2自由度精密驱动。
By taking a piezoelectric stack as actuator element to realize 2-DOF precision driving in linear and rotary actuators arranged on flexible processing structure
a new piezoelectric stepping style precision 2-DOF actuator was designed. The stability and precision of the system was ensured by using unique double symmetry structure of anchoring/loosing. The finite element analysis of 2-DOF actuator combining with lots of experiments research proved the basic functions of the 2-DOF actuator. The test results show rotary driving of 2-DOF actuator reaches 0.45 rad in resolution
18 mm in travel
0.04 rads
-1
in velocity and 0.2 Nm in torque; linear driving reaches 40 nm in resolution
20 mm in travel
19.2 mmmin
-1
in velocity and 10 N in driving power approximately.
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