Multivariate Multiscale Entropy Applied to Center of Pressure Signals Analysis: An Effect of Vibration Stimulation of Shoes. - Qin Wei; Dong-Hai Liu; Kai-Hong Wang; Quan Liu 001; Maysam F. Abbod; Bernard C. Jiang; Ku-Ping Chen; Chuan Wu; Jiann-Shing Shieh (Entropy, 2012)

Fuzzy-PID-Based Frequency-Tracking Technique for Ultrasonic Vibration Systems. - Li-yang Kong; Bao-hua Yu; Dong-Hai Liu; Xiao-ping Hu (IEEE DataPort, 2018)