Advances in Energy Harvesting Methods by Niell Elvin, Visit Amazon's Alper Erturk Page, search
By Niell Elvin, Visit Amazon's Alper Erturk Page, search results, Learn about Author Central, Alper Erturk,
Advances in power Harvesting Methods offers a state of the art knowing of numerous facets of power harvesting with a spotlight on: broadband strength conversion, new recommendations in digital circuits, and novel fabrics. This e-book covers fresh advances in power harvesting utilizing various transduction mechanisms; those comprise equipment of functionality enhancement utilizing nonlinear results, non-harmonic kinds of excitation and non-resonant power harvesting, fluidic strength harvesting, and advances in either low-power electronics in addition to fabric technology. The participants contain a short literature assessment of earlier learn with each one bankruptcy for extra reference.
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25 (a) Schematic of generator array prototype and (b) AC output of three cantilevers in an array and their direct serial connection (, copyright: Elsevier) Sari et al.  implemented a micro broadband energy harvester using electromagnetic induction. The developed device generated power via the relative motion between a magnet and coils fabricated on 35 serially connected cantilevers with different lengths. 2–5 kHz. 5 g in the test of Liu et al. . The cantilever size had a very similar scale but the power output from the device by Sari et al.
The monostable energy harvester can only work in the condition that a slow and proper frequency sweep excitation exists. Besides, since multi-value and jump phenomenon near resonance occur with increased nonlinearity (Figs. 31), a mechanism should be implemented to perturb and drive the system into high-energy orbits in case the system vibrates in a low-energy branch. Otherwise the harvester provides much lower output power. • Bistable nonlinear configuration. For a bistable system, large-amplitude oscillation can occur under both periodic and stochastic forcing.
In this section, we discuss in detail how to exploit the properties of the nonlinearity of a bistable system to improve energy harvesting performance over a wide range of ambient vibration frequencies, subjected to either periodic forcing or stochastic forcing. 48 L. Tang et al. Fig. 33 Arrangement of mass-spring-damper generator for the snap-through mechanism (, copyright: Springer ScienceCBusiness Media) Fig. 1 Periodic Forcing A periodically forced oscillator can undergo various types of large-amplitude oscillations, including chaotic oscillation, large-amplitude periodic oscillation, and large-amplitude quasiperiodic oscillation.