Abstract
This paper presents an innovative design of an energy harvesting shock absorber using cable transmission called cable dynamics energy harvesting shock absorber (CD-EHSA). It includes the design, modeling, bench experiments, and road tests results. Experimental tests are carried out with the CD-EHSA system in an MTS 835 machine, in order to analyze its behavior and validate the computational model of the CD-EHSA with the tests carried out on the actual component. Likewise, the paper presents the results of recovered electric power by the system during road tests at a speed between 20 and 30 km/h. With four CD-EHSA installed in a Renault Twizy, an average power of 105 W and power peaks of 400–500 W when passing through speed bumps are obtained. The designed system mechanical can reach an efficiency of around 60%.
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