Grating-Based Fiber-Optic Sensing Using a Single Packaged FBG for Boundary-Dependent Motor Vibration-State Transitions. - Lin, Cheng-Yu; Liu, Pei-Chung; Yao, Cheng-Kai; Huang, Shao-Chi; Huang, Shi-Jia; Chen, Sheng-Jie; Peng, Peng-Chun (Sensors (14248220), 2026)