DSCC 2013 Paper Abstract


Paper MoBT4.2

KWUIMY, CEDRICK (VILLANOVA UNIVERSITY- Mech Eng), Nataraj, 'Nat' C. (Villanova University), Litak, Grzegorz (Department of Applied Mechanics, Lublin University of Technology)

Enhancing Energy Harvesting System Using Materials with Fractional Order Stiffness

Scheduled for presentation during the Contributed session "Alternative Energy" (MoBT4), Monday, October 21, 2013, 13:50−14:10, Paul Brest West

6th Annual Dynamic Systems and Control Conference, October 21-23, 2020, Stanford University, Munger Center, Palo Alto, CA

This information is tentative and subject to change. Compiled on October 30, 2020

Keywords Model/Energy Systems


A bistable mechanical system having fractional order restoring force is considered for possible energy harvesting. The effects of the fractional order stiffness a on the crossing well dynamics (large amplitude motion) and the output electrical power are analyzed. The harvested electric power appears to be efficient for deterministic and random excitation, for small $alpha$. High level noise intensity was found to reduce the output power in the region of resonance and surprisingly increases the out up in other region of a. For larger enough amplitude of harmonic excitation this effect is realized in a stochastic resonance.


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