Continuous variable transmission and regenerative braking devices in bicycles utilizing magnetorheological fluids

Wai Ming Cheung; Wei-Hsin Liao

doi:10.1117/12.2009955

10 April 2013 Continuous variable transmission and regenerative braking devices in bicycles utilizing magnetorheological fluids

Wai Ming Cheung, Wei-Hsin Liao

Author Affiliations +

Proceedings Volume 8688, Active and Passive Smart Structures and Integrated Systems 2013; 868810 (2013) https://doi.org/10.1117/12.2009955
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2013, San Diego, California, United States

Abstract

The use of magnetorheological (MR) fluids in vehicles has been gaining popular recently due to its controllable nature, which gives automotive designers more dimensions of freedom in functional designs. However, not much attention has been paid to apply it to bicycles. This paper is aimed to study the feasibility of applying MR fluids in different dynamic parts of a bicycle such as the transmission and braking systems. MR continuous variable transmission (CVT) and power generator assisted in braking systems were designed and analyzed. Both prototypes were fabricated and tested to evaluate their performances. Experimental results showed that the proposed designs are promising to be used in bicycles.

Citation Download Citation

Wai Ming Cheung and Wei-Hsin Liao "Continuous variable transmission and regenerative braking devices in bicycles utilizing magnetorheological fluids", Proc. SPIE 8688, Active and Passive Smart Structures and Integrated Systems 2013, 868810 (10 April 2013); https://doi.org/10.1117/12.2009955

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