Vibration analysis of maglev three-span continuous guideway considering control system  被引量:6

Vibration analysis of maglev three-span continuous guideway considering control system

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作  者:Yan-feng TENG Nian-guan TENG Xinojian KOU 

机构地区:[1]School of Naval Ocean, Architecture and Civil Engineering, Shanghai Jiao Tong University, Shanghai 200240, China

出  处:《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》2008年第1期8-14,共7页浙江大学学报(英文版)A辑(应用物理与工程)

基  金:Project (No. 2005AA505440) supported by the Hi-Tech Researchand Development Program (863) of China

摘  要:The dynamic interaction between maglev vehicle and three-span continuous guideway is discussed. With the consideration of control system, the dynamic interaction model has been developed. Numerical simulation has been performed to study dynamic characteristics of the guideway. The results show that bending rigidity, vehicle speed, span ratio and primary frequency all have important influences on the dynamic characteristics of the guideway and there is no distinct trend towards resonance vibration when fl/(v/l) equals 1.0. The definite way is to control impact coefficient and acceleration of the guideway. The conclusions can serve the design of high-speed maglev three-span continuous guideway.The dynamic interaction between maglev vehicle and three-span continuous guideway is discussed. With the consideration of control system, the dynamic interaction model has been developed. Numerical simulation has been performed to study dynamic characteristics of the guideway. The results show that bending rigidity, vehicle speed, span ratio and primary frequency all have important influences on the dynamic characteristics of the guideway and there is no distinct trend towards resonance vibration when f1/(v/l) equals 1.0. The definite way is to control impact coefficient and acceleration of the guideway. The conclusions can serve the design of high-speed maglev three-span continuous guideway.

关 键 词:Maglev transportation system Three-span continuous guideway Coupling dynamics Feedback control Numerical simulation 

分 类 号:U441.4[建筑科学—桥梁与隧道工程]

 

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