Nonlinear time-varying potential bistable energy harvesting from human motion

Junyi Cao; Wei Wang; Shengxi Zhou; Daniel J. Inman; Jing Lin

doi:10.1063/1.4932947

Nonlinear time-varying potential bistable energy harvesting from human motion

Junyi Cao, Wei Wang, Shengxi Zhou, Daniel J. Inman, Jing Lin

Research output: Contribution to journal › Article › peer-review

144 Scopus citations

Abstract

A theoretical and experimental investigation into nonlinear bistable energy harvesting with time-varying potential energy is presented. The motivation for examining time-varying potentials comes from the desire to harvest energy from human motion. Time-varying potential energy function of bistable oscillator with respect to the swing angle are established to derive the governing electromechanical model for harvesting vibration energy from the swaying motion during human walking or running. Numerical simulations show good agreement with the experimental potential energy function under different swing angles. Various motion speed treadmill tests are performed to demonstrate the advantage of time-varying bistable harvesters over linear and monostable ones in harvesting energy from human motion.

Original language	English
Article number	143904
Journal	Applied Physics Letters
Volume	107
Issue number	14
DOIs	https://doi.org/10.1063/1.4932947
State	Published - 5 Oct 2015
Externally published	Yes

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title = "Nonlinear time-varying potential bistable energy harvesting from human motion",

abstract = "A theoretical and experimental investigation into nonlinear bistable energy harvesting with time-varying potential energy is presented. The motivation for examining time-varying potentials comes from the desire to harvest energy from human motion. Time-varying potential energy function of bistable oscillator with respect to the swing angle are established to derive the governing electromechanical model for harvesting vibration energy from the swaying motion during human walking or running. Numerical simulations show good agreement with the experimental potential energy function under different swing angles. Various motion speed treadmill tests are performed to demonstrate the advantage of time-varying bistable harvesters over linear and monostable ones in harvesting energy from human motion.",

author = "Junyi Cao and Wei Wang and Shengxi Zhou and Inman, {Daniel J.} and Jing Lin",

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AU - Wang, Wei

AU - Zhou, Shengxi

AU - Inman, Daniel J.

AU - Lin, Jing

PY - 2015/10/5

Y1 - 2015/10/5

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AB - A theoretical and experimental investigation into nonlinear bistable energy harvesting with time-varying potential energy is presented. The motivation for examining time-varying potentials comes from the desire to harvest energy from human motion. Time-varying potential energy function of bistable oscillator with respect to the swing angle are established to derive the governing electromechanical model for harvesting vibration energy from the swaying motion during human walking or running. Numerical simulations show good agreement with the experimental potential energy function under different swing angles. Various motion speed treadmill tests are performed to demonstrate the advantage of time-varying bistable harvesters over linear and monostable ones in harvesting energy from human motion.

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Nonlinear time-varying potential bistable energy harvesting from human motion

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