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Identification of safety hazards and operating conditions of the low-floor tram with independently rotating wheels with various drive control algorithms
Ist Teil von
Eksploatacja i niezawodność, 2021-01, Vol.23 (1), p.21-33
Erscheinungsjahr
2021
Quelle
EZB-FREE-00999 freely available EZB journals
Beschreibungen/Notizen
The aim of the article is to develop a method for the analysis of tram dynamics related to
safety during operation. To achieve this, a mathematical model of the vehicle represented
by a multibody simulation MBS system is used. Models of tram with a classic and innovative drive, based on a system of independently rotating wheels on crank axles are analyzed.
A new configuration of an innovative drive control of the considered vehicle with the use
of braking of independent wheels is proposed. A new geometry of test track is presented.
During numerical investigation the values of ‘Y’ leading forces of tram wheels with the considered innovative drive proved to be lower than in the corresponding vehicle with standard
wheelsets. It has been demonstrated that the active control systems are of key importance
and should be applied in such innovative tram drives.