On the frequency bandwidth change of a servo system with a gear reducer due to backlash and motor input voltage

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The paper analyzes how the frequency bandwidth of a servo system is affected by the input voltage of its motor and the magnitude of the total backlash. The bandwidth of the system is defined as the set of antiresonance frequencies, which appears in the frequency-response characteristic. The change in the frequency-response characteristics is investigated depending on motor input voltage and the magnitude of the total backlash. It is shown that at infinite motor input voltage, the servo system has a bandwidth equivalent to that of a backlash-free system. The amount of the system's bandwidth reduction due to the backlash changes greatly with the motor input voltage. It becomes possible then to determine the necessary maximum input voltage of the motor and the admissible magnitude of the total backlash to satisfy the desired bandwidth for a servo system with a gear reducer.
Publisher
SPRINGER
Issue Date
2003-11
Language
ENG
Article Type
Article
Citation

ARCHIVE OF APPLIED MECHANICS, v.73, pp.367 - 376

ISSN
0939-1533
URI
http://hdl.handle.net/10203/2514
Appears in Collection
ME-Journal Papers(저널논문)
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