Abstract
This paper optimizes the energy storage device of a non-powered walking aid. Through the use of gait analysis and linear fitting method, we have found the approximate relationship and specific values between the hip rotation angle and the hip rotation torque. Through the method of mechanical analysis, we find out how the geometric parameters of the cam and spring affect the relationship between the torque of hip joint and its angle. Furthermore, all suitable design parameters are obtained by polar coordinate operation and quadratic polynomial fitting analysis of cam profile. Finally, a 3D model is designed and the actual device is assembled.
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Meng, F., Zhao, W., Wang, R., Hao, Z. (2020). Parameter Analysis and Optimal Design of Energy Storage Device for Non-powered Walking Aid. In: Wang, D., Petuya, V., Chen, Y., Yu, S. (eds) Recent Advances in Mechanisms, Transmissions and Applications. MeTrApp 2019. Mechanisms and Machine Science, vol 79. Springer, Singapore. https://doi.org/10.1007/978-981-15-0142-5_17
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DOI: https://doi.org/10.1007/978-981-15-0142-5_17
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