New PDF release: Advances in Energy Harvesting Methods

By Niell Elvin, Visit Amazon's Alper Erturk Page, search results, Learn about Author Central, Alper Erturk,

ISBN-10: 1461457041

ISBN-13: 9781461457046

ISBN-10: 146145705X

ISBN-13: 9781461457053

Advances in power Harvesting Methods offers a state of the art figuring out of various features of strength harvesting with a spotlight on: broadband strength conversion, new suggestions in digital circuits, and novel fabrics. This ebook covers contemporary advances in power harvesting utilizing various transduction mechanisms; those comprise equipment of functionality enhancement utilizing nonlinear results, non-harmonic types of excitation and non-resonant power harvesting, fluidic power harvesting, and advances in either low-power electronics in addition to fabric technological know-how. The members contain a quick literature evaluate of past examine with every one bankruptcy for extra reference.

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51] proposed another monostable device for energy harvesting using the piezoelectric effect. The device consisted of a piezoelectric beam with a magnetic end mass interacting with the fields of oppositely poled stationary magnets, as shown in Fig. 30. The system was modeled by an electromechanically coupled Duffing’s equation similar to Eq. 9), except that the piezoelectric coupling term ÄV should be added as in Eq. 6). , tuning the distance d), both hardening and softening responses may occur, as shown in Fig.

5 cm, as 2 Broadband Vibration Energy Harvesting Techniques 25 Fig. 8 (a) Schematic of proposed resonance-tunable harvester and (b) open- and short-circuit resonant frequencies with variable Dy ([21], copyright: SPIE) Fig. 9 (a) Schematic of tuning mechanism and (b) resonant frequency versus distance between two magnets [22] shown in Fig. 8b. 38 Hz, including the resonant frequency shift from short-circuit to open-circuit condition due to the piezoelectric coupling. In the aforementioned two designs, no “smart” controller for resonance tuning process was implemented.

The performance of the bistable harvester can be further improved by exploiting the stochastic resonance, in which the boundary should be properly forced to periodically change the potential barrier height and hence the probability of the large-amplitude transition between the two stable states. However, actively achieving this by using actuators in such methods require external energy input and are quite difficult to implement. • Configuration with mechanical stoppers.

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Advances in Energy Harvesting Methods by Niell Elvin, Visit Amazon's Alper Erturk Page, search results, Learn about Author Central, Alper Erturk,

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