Title | Spherical Magnetic Generators for Bio-Motional Energy Harvesting |
Publication Type | Conference Paper |
Year of Publication | 2008 |
Authors | Bowers, B., and D. P. Arnold |
Conference Name | Tech. Dig. 8th Int. Workshop on Micro and Nanotechnology for Power Generation and Energy Conversion Apps. (Power MEMS 2008) |
Date Published | November |
Conference Location | Sendai, Japan |
Abstract | This paper presents the development of non-resonant, vibrational energy harvester architectures intended for human-motion energy scavenging. The basic design employs a spherical, unidirectionally-magnetized permanent magnet (NdFeB) ball that is allowed to arbitrarily move in a spherical cavity wrapped with copper coil windings. As the ball rotates and translates within the cage, the time-varying magnetic flux induces a voltage in the coil according to Faraday |