Self-Powered Z-Shaped Hybrid Triboelectric-Electromagnetic Vibration Sensor for Coal Mine Fracturing Condition Monitoring
Yanping Miao, Da Liu, Zexu Zuo, Yanjun Feng, Chuan Wu · 2026
Read Self-Powered Z-Shaped Hybrid Triboelectric-Electromagnetic Vibration Sensor for Coal Mine Fracturing Condition Monitoring by Yanping Miao, Da Liu, Zexu Zuo, Yanjun Feng, Chuan Wu (2026) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/PMC13414057.txt.
Description
Yanping Miao and co-authors build in 2026 a vibration sensor for coal mine fracturing drills that powers itself from the shaking it measures. Downhole sensors usually starve without wired power, yet drill vibration frequency reveals crack growth and guides the fracturing job. Their Z-shaped device pairs a friction-based triboelectric unit, whose pulses encode frequency, with an electromagnetic unit that harvests the motion as usable electricity.
The sensor tracked vibrations from zero to eleven hertz with error held under five percent in bench tests. It kept working at 150 degrees and ninety percent humidity, harsh by any underground standard. Peak harvested power reached 110.5 milliwatts from the electromagnetic side under matched load. The authors aim the hybrid at safer, better-tuned gas extraction.
Catalog record
| CREATOR | Yanping Miao, Da Liu, Zexu Zuo, Yanjun Feng, Chuan Wu |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 32416 |
| LICENSE | https://creativecommons.org/licenses/by/4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |