EMS 磁浮列车的轨道共振和悬浮控制系统设计 - 国防科技大学学报.PDF

212 JOURNAL OF NATIONAL UNIVERSIT Y OF DEFENSE TECHNOLOGY Vol. 21 No. 2 1999 X EMS 李云钢　常文森　龙志强 ( 410073) , , , , , , , T P13 Guideway Resonance Vibration and Levitation Control System Design of an EMS Maglev Vehicle Li Yungang Chang W ensen Long Zhiqiang ( Departm en tof Au toma tic Control, NUDT , Changsha, 410073) Abstract This paper tries to eliminate guidew ay resonance vibra tion of an EM S maglev vehicle by designing a levitation control system. I tmainly deals with the design of a robus tsta te-observer, discusses the selection method of the observers parameters . Results of simulation and experiments indicate tha he guidew ay resonance vibration in the system is eliminated successfully and the stable levitation is realized. Key wordsmaglev vehicle, magnetic levitation control, guidew ay resonance vibration, state-observer , , , ( ) , , [ 1] , , , , , , , , ( D0 , I 0) : b u = RI , F = CFI õI - CFD õD, my = - F + F d ( 1) 2 2 2 L0N AI 0 L0 N A I 0 , CFI = 2 , CFD = 3 2D0 2D0 , m , A , N , R , F , Fd ; D0, I 0 ; y , u , I , D , 0 + , 0+ , = D D I I y D X 199873 : , , 1969, 94 19992 PD , , : a b u = K P õD + K D õD + K A õD