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Integration of triboelectric sensing and electromagnetic energy harvesting for self-adaptive vibration suppression
Nano Energy ( IF 17.6 ) Pub Date : 2023-05-13 , DOI: 10.1016/j.nanoen.2023.108525
Juan Cui , Shanming Bai , Xin Li , Long Jia , Gang Li , Yongqiu Zheng , Chenyang Xue

There has been growing interest in using self-adjusting damping to suppress vibration in precious industrial equipment and transportation. Current vibration suppression strategies focus on improving the transformation mechanism for a specific environment. However, owing to space and power supply limitations, the implementation of energy recovery and adaptive vibration control remains a technical challenge. In this study, a random vibration suppression–energy harvesting coupling system (VS-EHCS) based on self-driven triboelectric sensing is developed. A magnetic-suspension-based energy harvester with a honeycomb structure is designed to enable energy harvesting and passive vibration suppression. Self-powered triboelectric sensors are integrated with the honeycomb to obtain vibration information. The energy harvester output and the sensor output are used as feedback for the adaptive signal tracking control algorithm, allowing a trade-off between active vibration suppression and energy harvesting. The proposed VS-EHCS achieves a vibration suppression efficiency of 96.2 % and peak power exceeding 200 mW under random vibrations of 15.9 g. These are sufficient to charge a 0.1 F super-capacitor to 5 V in 70 s. By combining self-driven monitoring, active-passive control, and energy harvesting, the VS-EHCS provides a new paradigm for efficient vibration suppression and energy recovery in variable-vibration environments.



中文翻译:

摩擦电传感与电磁能量收集的集成自适应振动抑制

人们越来越关注使用自调节阻尼来抑制贵重工业设备和运输中的振动。目前的振动抑制策略侧重于改进特定环境的转换机制。然而,由于空间和电源的限制,能量回收和自适应振动控制的实施仍然是一个技术挑战。在这项研究中,开发了一种基于自驱动摩擦电传感的随机振动抑制-能量收集耦合系统 (VS-EHCS)。具有蜂窝结构的基于磁悬浮的能量收集器旨在实现能量收集和被动振动抑制。自供电摩擦电传感器与蜂窝集成,以获取振动信息。能量收集器输出和传感器输出用作自适应信号跟踪控制算法的反馈,允许在主动振动抑制和能量收集之间进行权衡。所提出的 VS-EHCS 在 15.9 g 的随机振动下实现了 96.2% 的振动抑制效率和超过 200 mW 的峰值功率。这些足以在 70 秒内将 0.1 F 超级电容器充电至 5 V。通过结合自驱动监控、主动-被动控制和能量收集,VS-EHCS 为可变振动环境中的高效振动抑制和能量回收提供了新范例。2 %,在 15.9 g 的随机振动下峰值功率超过 200 mW。这些足以在 70 秒内将 0.1 F 超级电容器充电至 5 V。通过结合自驱动监控、主动-被动控制和能量收集,VS-EHCS 为可变振动环境中的高效振动抑制和能量回收提供了新范例。2 %,在 15.9 g 的随机振动下峰值功率超过 200 mW。这些足以在 70 秒内将 0.1 F 超级电容器充电至 5 V。通过结合自驱动监控、主动-被动控制和能量收集,VS-EHCS 为可变振动环境中的高效振动抑制和能量回收提供了新范例。

更新日期:2023-05-13
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