Abstract
Background
In recent decades, the use of compliant mechanisms has been moved from the context of precision engineering to flapping-wing micro aerial vehicles. One of the features of compliant mechanisms in the field of bio-inspired vehicles is the high speed and high frequency of flapping-wing motion that leads to the effect of the dynamic properties of the mechanism.
Purpose
In this paper, the effect of the vibrational properties of a semi-constrained compliant mechanism on the mechanism’s generated path is discussed.
Methods
The kinematic and dynamic governing equations of the mechanism are extracted and the analytical solution for the desired path is obtained with a vibrational approach. To validate the analytical and numerical results, one of the studied cases was constructed by the smart composite manufacturing method. The experimental results were obtained using a high-speed camera and compared with numerical and analytical solutions.
Results
By investigating the results, it was found that by changing the position of the compliant linkage resulting in the frequency variation of the mechanism, flapping-wing paths like peer-shape and 8-type were obtained.
Conclusion
The resulting path error was low and acceptable.
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This study was conducted by Milad Sattari Sarebangholi under the supervision of Dr. FN. All authors contributed to the study's conception and design. Material preparation, experiment conduction, and analysis were performed by MSS. The first draft of the manuscript was written by MSS and FN reviewed and edited the previous versions of the manuscript. All authors read and approved the final manuscript.
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Sattari Sarebangholi, M., Najafi, F. Kinematic and Dynamic Analysis of a Compliant Mechanism to Generate Different Flapping-Wing Paths Based on Vibration Characteristics. J. Vib. Eng. Technol. 11, 3907–3915 (2023). https://doi.org/10.1007/s42417-022-00791-7
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DOI: https://doi.org/10.1007/s42417-022-00791-7