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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Longhan Xie Mingjing Cai |
| Copyright Year | 1996 |
| Abstract | The aim of this study was to develop an in-shoe magnetic harvester that could be embedded in a shoe to scavenge mechanical energy from human foot strike for conversion into electricity, thereby serving as a sustainable power source for portable or wearable electronic devices. The allowed displacement of the shoe heel in the vertical direction was extremely small; therefore, a special trapezoidal slider mechanism was employed to amplify the displacement of a footstep. To compensate for the low-frequency foot strike, a gear train was used to accelerate the motion that finally drove a microgenerator to produce electricity. Two sets of springs were employed to provide a restoring force for the trapezoidal slider mechanism that enabled the harvester to generate electricity during the return trip. The in-shoe harvester could be embedded in a shoe heel such that the human foot step was not hindered during activity. Experiments indicated that the harvester could generate an average power output of approximately 1 W during normal walking. Compared to harvesters from previous studies, the harvester in this study can generate a higher power output. |
| Starting Page | 3264 |
| Ending Page | 3268 |
| Page Count | 5 |
| File Size | 428536 |
| File Format | |
| ISSN | 10834435 |
| Volume Number | 20 |
| Issue Number | 6 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2015-01-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Gears Foot Generators Legged locomotion Force Springs Footwear Magnetic Foot strike Energy harvesting magnetic foot strike |
| Content Type | Text |
| Resource Type | Article |
| Subject | Control and Systems Engineering Electrical and Electronic Engineering Computer Science Applications |
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