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NUMERICAL ANALYSIS OF NONLINEAR STABILITY FOR RAILWAY PASSENGER CARS 被引量:8
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作者 Zeng Jing National Traction Power Laboratory, Southwest Jiaotong University 《Chinese Journal of Mechanical Engineering》 SCIE EI CAS CSCD 2001年第2期97-101,共5页
The Newton Raphson iteration and QR algorithm are combined to search the Hpf bifurcation point of the vehicle running on straight track and on large radius curved tracks. Limit cycles that are bifurcated from the equ... The Newton Raphson iteration and QR algorithm are combined to search the Hpf bifurcation point of the vehicle running on straight track and on large radius curved tracks. Limit cycles that are bifurcated from the equilibrium points and the saddle node bifurcation point are computed through employing a variable step Runge Kutta method and the Poincaré map. Finally, numerical simulations are carried out for the stability of a high speed passenger car operating on straight and large radius curved tracks. The influences of the radius of curvature and the superelevation of the track on the stability of the vehicle system are investigated. 展开更多
关键词 railway passenger car STABILITY BIFURCATION Limit cycle Critical speed
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Kinematic and Kinetic Analysis for the Tilting Mechanism of Railway Passenger Cars
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作者 邬平波 曾京 刘宏友 《Journal of Modern Transportation》 2000年第1期92-98,共7页
The kinematics and kinetics of the tilting mechanism of railway passenger cars are studied. The parameters of the mechanism are given. The motions of the actuator, the center of gravity of the carbody and the center o... The kinematics and kinetics of the tilting mechanism of railway passenger cars are studied. The parameters of the mechanism are given. The motions of the actuator, the center of gravity of the carbody and the center of coupler are calculated. Finally, the maximum driving force, output power and velocity of the actuator are discussed in detail. 展开更多
关键词 KINEMATICS KINETICS tilting mechanism railway passenger car
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