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Real-time multibody modeling and simulation of a scaled bogie test rig

Railway Engineering Science 2020年第2期28卷 146-159页

作者： Sundar Shrestha Maksym Spiryagin Qing Wu Centre for Railway Engineering Central Queensland UniversityRockhamptonAustralia Rail Manufacturing Cooperative Research Centre(CRC) MelbourneVICAustralia

In wheel–rail adhesion studies,most of the test rigs used are simplified designs such as a single wheel or wheelset,but the results may not be ***,representing the complex system by using a full vehicle model provides accurate results but may incur complexity in *** trade off accuracy over complexity,a bogie model can be the optimum ***,only a real-time model can replicate its physical counterpart in the time *** such a model requires broad expertise and appropriate software and hardware.A few published works are available which deal with real-time ***,the influence of the control system has not been included in those *** address these issues,a real-time scaled bogie test rig including the control system is ***,a 1:4 scaled bogie roller rig is developed to study the adhesion between wheel and roller *** compare the performances obtained from the scaled bogie test rig and to expand the test applications,a numerical simulation model of that scaled bogie test rig is developed using Gensys multibody *** model is the complete model of the test rig which delivers more precise *** exactly represent the physical counterpart system in the time domain,a real-time scaled bogie test rig(RT-SBTR)is developed after four consecutive ***,to simulate the RT-SBTR to solve the internal state equations and functions representing the physical counterpart system in rigs used are simplified designs such as a single wheel or wheelset,but the results may not be ***,representing the complex system by using a full vehicle model provides accurate results but may incur complexity in *** trade off accuracy over complexity,a bogie model can be the optimum ***,only a real-time model can replicate its physical counterpart in the time *** such a model requires broad expertise and appropriate software and hardware.A few pub

关键词： bogie modeling scaled bogie test rig Realtime simulation Wheel-rail adhesion Software in loop

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