Analysis of frequency characteristics of compliant mechanisms |
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Authors: | Wang Wenjing and Yu Yueqing |
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Affiliation: | (1) College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing, 100022, China |
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Abstract: | Much work is needed for a further study on the dynamic analysis of compliant mechanisms to improve their performance and operational
accuracy. This paper uses the finite element method to develop a dynamic equation of the compliant mechanism. Natural frequencies
and modes are derived. Using the differentials of a stiffness matrix to design parameters, a method for calculating the sensitivity
of natural frequency is presented. The numerical simulation results indicate that the design parameters have an impact on
the frequency characteristics of the compliant mechanisms and the proposed method is more accurate and convenient for analyzing
frequency characteristics. |
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Keywords: | compliant mechanisms finite element method natural frequency sensitivity |
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