Mao Tang, Jin Zhou, Chaowu Jin, and Yuanping Xu. “Vibration Isolation of Magnetic Suspended Platform With Double Closed-Loop PID Control”. Applied Computational Electromagnetics Society Journal (ACES), vol. 32, no. 08, July 2021, pp. 712-9, https://journals.riverpublishers.com/index.php/ACES/article/view/9537.