Vehicle Sensor Self-Powered Technology Research of Electromagnetic and Piezoelectric Hybrid Mode

doi:10.13190/j.jbupt.2016.03.024

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2016, Vol. 39 ›› Issue (3): 132-135,142.doi: 10.13190/j.jbupt.2016.03.024

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Vehicle Sensor Self-Powered Technology Research of Electromagnetic and Piezoelectric Hybrid Mode

SANG Ying-jun^1,2, FAN Yuan-yuan¹, WU Shang-guang¹, LI Man¹, WANG Ye-qin¹

1. Faculty of Automation, Huaiyin Institute of Technology, Jiangsu Huaian 223003, China;
2. Electrical Engineering Scholl, Southeast University, Nanjing 210096, China

Received:2015-06-16 Online:2016-06-28 Published:2016-01-29

Abstract

Abstract:

The piezoelectric and electromagnetic energy harvesting technology for vehicle sensors self-powered was studied. The mathematical models for the composite energy collection system was put forword, and the relationship about the resonance frequency of the system was analyzed with regard to the system configuration parameters. A piezoelectric and electromagnetic energy harvesting device was designed. Experiment shows it has good agreement with the analytical results in trend. The maximum of load power of the composite harvester achieves 3.75 mW at the resonant frequency of 18 Hz with acceleration of 0.5 g, and is increased by 17% compared with 3.2 mW of the single electromagnetic technique.

Key words: ambient vibration, energy harvesting, piezoelectric energy conversion, electromagnetic energy conversion, optimal load

CLC Number:

TN919

SANG Ying-jun, FAN Yuan-yuan, WU Shang-guang, LI Man, WANG Ye-qin. Vehicle Sensor Self-Powered Technology Research of Electromagnetic and Piezoelectric Hybrid Mode[J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2016, 39(3): 132-135,142.

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Vehicle Sensor Self-Powered Technology Research of Electromagnetic and Piezoelectric Hybrid Mode

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