Wei-qing HUANG, Jie TAO, Meng-xin SUN, et al. Modeling and experiment of precision rotary positioner with large stroke driven by non-resonant piezoelectric motor[J]. Editorial office of optics and precision engineeri, 2016, 24(11): 2712-2720.
DOI:
Wei-qing HUANG, Jie TAO, Meng-xin SUN, et al. Modeling and experiment of precision rotary positioner with large stroke driven by non-resonant piezoelectric motor[J]. Editorial office of optics and precision engineeri, 2016, 24(11): 2712-2720. DOI: 10.3788/OPE.20162411.2712.
Modeling and experiment of precision rotary positioner with large stroke driven by non-resonant piezoelectric motor
A precision rotary positioner with a large stroke driven by the non-resonant piezoelectric motor was proposed to solve the problem of short stoke
complicated structure and control of the precision positioner in optical waveguide packaging. The precision rotary positioner could meet the needs of large stroke and high precision by two driving modes of continuous actuating and stepping actuating. Firstly
the dynamic model of the rotary positioner was established and the kinematics formula of system was presented. Then
the principle of movement was analyzed and the impact factors of rotate speed were researched. Finally
the characters of rotate speed
step displacement
resolution and load were tested
and driving modes of continuous actuating and stepping actuating were discussed. The experimental results indicate that the top speed of precision rotary positioner reaches about 47 963.2
μ
rad/s at the driving sinusoidal voltage in a peak-peak value of 120 V
an offset of 60 V and a frequency of 180 Hz. Moreover
the rotary resolution of precision rotary positioner is about 3
μ
rad and the maximum load is 60 g. This precision rotary positioner has characteristics of large stroke
high precision
simple structure
stable controllability and fast response. As compared with the existing precision rotary positioner
the new one presented in the paper has more larger stroke
higher precision
simpler structure and is more convenient to be assembled
adjusted
and produced in batch.
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Keywords
references
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