Abstract
This chapter presents the design, fabrication, and testing of an energy harvesting handrail. The handrail energy harvester has two working modes for collecting energy excited by both vibration and a pulling force during the operation. To enable good stability and antijamming for the energy harvester, a compound bridge-type compliant force amplifier is designed and optimized. An analytical dynamic model is established for the piezoelectric device and the output power is calculated. A prototype harvester is fabricated for experimental investigation. Experimental results verify the effectiveness of the derived analytical model. A series of designed energy harvesters can be used to scavenge energy generated by passengers in a bus or subway under different motion states.
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