利用肘关节运动发电，最高输出0.16瓦，验证了可穿戴能量收集可行性。
Design and Performance Evaluation of an Elbow-Based Biomechanical Energy Harvester
- 基于肘关节运动设计齿轮-发电机系统，避免影响日常活动。
- 实测最大发电功率达0.16瓦，优于多数同类生物能采集装置。
- 适合低功耗可穿戴设备供电，如健康监测手环等场景。
碳排放长期被视为气候变化加剧的主因。近年来，随着气候影响加剧，寻找绿色能源替代方案成为重点，其中生物力学能量采集（即利用人体自然运动发电）备受关注。本研究评估了一种基于齿轮与发电机结构的肘关节生物能采集装置的可行性。通过MediaPipe进行动力学分析，发现行走时肘关节角速度显著高于其他肢体关节，具备更高能量采集潜力，因此选择肘关节作为安装位置，排除腿部以避免干扰日常活动。采用齿轮与发电机组合以最大化能量输出。实验结果表明，在最优负载条件下，该装置最高可产生0.16瓦电能，证明了在肘关节部署此类装置实现电能生成的可行性。
原文摘要 · Abstract (English)
Carbon emissions have long been attributed to the increase in climate change. With the effects of climate change escalating in the past few years, there has been an increased effort to find green alternatives to power generation, which has been a major contributor to carbon emissions. One prominent way that has arisen is biomechanical energy, or harvesting energy based on natural human movement. This study will evaluate the feasibility of electric generation using a gear and generator-based biomechanical energy harvester in the elbow joint. The joint was chosen using kinetic arm analysis through MediaPipe, in which the elbow joint showed much higher angular velocity during walking, thus showing more potential as a place to construct the harvester. Leg joints were excluded to not obstruct daily movement. The gear and generator type was decided to maximize energy production in the elbow joint. The device was constructed using a gearbox and a generator. The results show that it generated as much as 0.16 watts using the optimal resistance. This demonstrates the feasibility of electric generation with an elbow joint gear and generator-type biomechanical energy harvester.
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