隨著智慧科技與自動化系統快速發展,人機介面(Human–Machine Interface, HMI)對於直觀、簡易且自然的互動方式之需求日益增加。傳統剛性電子元件受限於其機械剛性與有限的可變形能力,難以適應人體複雜且動態的表面形變。因此,具備柔性、機械相容性、輕量化與可穿戴特性的柔性壓電感測器,為實現直觀式人機互動與生理訊號監測提供了良好的解決方案。本研究以纖維型結構設計為核心,開發柔性壓電奈米發電機(Piezoelectric Nanogenerator, PENG),並探討其元件性能、機械穩定性與環境耐久性。本研究也進一步將其應用於壓電奈米發電機元件,探討元件之電性輸出與長期穩定性。更重要的是,本研究將纖維型壓電奈米發電機進一步應用於人機介面設計,實現人體動作與語音指令之辨識。結果顯示,所開發之纖維型壓電奈米發電機具備良好穩定性、多功能感測能力以及於人機介面領域之應用潛力。;As technological advancement continues, increasingly complex and sophisticated machines have been developed. As control systems become increasingly complex, human–machine interfaces have become increasingly important for enabling intuitive and efficient interac-tions between humans and machines. Intuitive and simple commands require effective sens-ing technologies; however, conventional sensors are typically rigid and cannot readily ac-commodate dynamic human motion. Meanwhile, flexible, mechanically compatible, light-weight, and wearable piezoelectric nanogenerators (PENGs) offer a promising solution for motion sensing and human–machine interaction. In this study, fiber-based PENGs were de-veloped to investigate their device performance, mechanical stability, and environmental durability. The fabricated devices were further applied to human motion and physiological signal sensing and extended to human–machine interface applications for the recognition of human motions and voice-related signals. The results demonstrate that the developed fi-ber-based PENGs exhibit good stability, multifunctional sensing capabilities, and considera-ble potential for human–machine interface applications.