Discussion of “On the Role of Nonlinearities in Vibratory Energy Harvesting: A Critical Review and Discussion” (Daqaq, M., Masana, R., Erturk, A., and Quinn, D. D., 2014, ASME Appl. Mech. Rev., 66(4), p. 040801)

[+] Author and Article Information
B. P. Mann

Associate Professor
Fellow ASME
Mechanical Engineering and Material Science,
Duke University,
Durham, NC 27708

Manuscript received December 11, 2013; final manuscript received March 7, 2014; published online May 2, 2014. Editor: Harry Dankowicz.

Appl. Mech. Rev 66(4), 045501 (May 02, 2014) (2 pages) Paper No: AMR-13-1101; doi: 10.1115/1.4027257 History: Received December 11, 2013; Revised March 07, 2014

The authors have written a nice review on the purposeful use of nonlinearity in vibratory energy harvesting. The current limitations of batteries and advancements in low-power electronic devices are identified as two motivating factors for energy harvesting research. The underlying idea is that vibratory harvesters could replace batteries as a power source or even could enable new technologies. The authors identify the primary limitations associated with linear vibratory harvesters and describe several attempts, along with some of their pitfalls, to overcome these limitations. The article then provides a critical review of recent research focused on the use of nonlinearity to improve the performance of vibratory harvesters.

Copyright © 2014 by ASME
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