Feasibility study of impact-based piezoelectric road energy harvester for wireless sensor networks in smart highways
| Autor: | Gyeong Ju Song, Ji-Young Choi, Min Sik Woo, Jong Hyuk Eom, Jihoon Kim, Chan Ho Yang, Tae Hyun Sung, Yewon Song, Tae Hee Lee, Jeong Hun Kim |
|---|---|
| Rok vydání: | 2017 |
| Předmět: |
Universal testing machine
Engineering business.industry 020209 energy Metals and Alloys Electrical engineering 02 engineering and technology 021001 nanoscience & nanotechnology Condensed Matter Physics Piezoelectricity Energy harvester Surfaces Coatings and Films Electronic Optical and Magnetic Materials Power (physics) 0202 electrical engineering electronic engineering information engineering Axial load Electric power Electrical and Electronic Engineering 0210 nano-technology business Instrumentation Wireless sensor network Energy (signal processing) |
| Zdroj: | Sensors and Actuators A: Physical. 261:317-324 |
| ISSN: | 0924-4247 |
| DOI: | 10.1016/j.sna.2017.04.025 |
| Popis: | The purpose of this study is designing and examining impact-based piezoelectric road energy harvesters as power sources of a variety of sensors and smart highways. The impact-based piezoelectric road energy harvesters (15 × 15 × 9 cm3) developed in this research can convert the input energy efficiently into electrical power. The output power of the proposed harvester is significantly higher than that of the existing harvesters. Moreover, in previous studies, simple experiments were performed for measuring the output power of a road energy harvester, with no consideration for the practical road conditions. In this study, the output power is measured using machines that can simulate the practical road conditions. First, the output power of the harvester is measured using a universal testing machine (UTM) that can apply an axial load with a controlled loading frequency. Then, a third-scale mobile loading simulator (MMLS3) that can simulate practical traffic load on a lab scale is used. As a result, the maximum output power of the road energy harvester is 483 mW(21.47 W/m2). |
| Databáze: | OpenAIRE |
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