Optics and Precision Engineering, Volume. 32, Issue 24, 3594(2024)
Piezoelectric rotational energy harvester with indirect magnetic excitation
Figures & Tables(11)
Fig. 3. Relationship between amplitude radio and rotating speed under different number radio of excited magnet
Fig. 4. Relationship between amplitude and rotating speed under different excited force
Fig. 5. Relationship between amplitude radio and rotating speed under different system equivalent stiffness
Fig. 7. Relationship between output voltage and rotating speed under different number radio of excited magnet
Fig. 8. Relationship between output voltage and rotating speed under different exciting/excited magnet distance
Fig. 9. Relationship between output voltage and rotating speed under different cavity height
Fig. 10. Relationship between output power and resistance under different rotating speed
Table 1. Performance comparison of similar rotating piezoelectric harvester
View tableView in ArticleTable 1. Performance comparison of similar rotating piezoelectric harvester
Reference Range of rotating speed/（r·min-1） Resonant rotating speed/（r·min-1） Maximum power/mW Rizal et al. ［ 22 ］250~1 500 750 3.5 Sun et al. ［ 25 ］0~700 420 0.177 Mei et al. ［ 26 ］60~120 120 0.03 Zhang et al. ［ 27 ］0~400 300 2.58 This work 0~1500 900 12
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Shuyun WANG, Panpan LIU, Zefeng REN, Jijun ZHOU, Junwu KAN, Zhonghua ZHANG. Piezoelectric rotational energy harvester with indirect magnetic excitation[J]. Optics and Precision Engineering, 2024, 32(24): 3594
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Received: Sep. 30, 2024
Accepted: --
Published Online: Mar. 11, 2025
The Author Email: ZHANG Zhonghua (zhangzhh@zjnu.edu.cn)
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