Holo-Current Spectrum: A Novel Non-Invasive Detection Method of Misalignment and Rub-Impact Faults in Three Phase Induction Motor. - Umair Khalique; Ahsan Ashfaq; Guanghua Xu 001; Arslan A. Rizvi; Zhen Yang; Renghao Liang; Yao Weidao (IEEE Access, 2026)