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Research of Mathematical Model of Movement of Six-Axle Locomotives with Controllable Wheelsets Installation

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Part of the Lecture Notes in Intelligent Transportation and Infrastructure book series (LNITI)

Abstract

Research of mathematical model of movement of six-axial locomotive with controllable wheelsets installation. Based on the general system of nonlinear variable coefficient differential equations of the vehicle movement in a rail track with inequalities in plan, the mathematical model of movement dynamics of locomotive of improved design with the axial formula 30-30 as an object of automatic control of the wheelsets position in the rail track is considered. Movement simulation is performed on the example of a six-axle locomotive at the speeds of movement and parameters of the curvilinear track sections, which coincide with the conditions of the experiment presented in the thesis work of V. N. Yazykov. The article presents research results of the mathematical model of movement of the improved locomotive bogie with controllable wheelsets installation in the curvilinear track sections using the Matlab/Simulink software package. The results of experimental studies of the All-Russian Scientific-Research and Design Technological Institute of Rolling Stock and the performed theoretical studies show that the efficiency of the improved system for controlling the wheelset position is higher than that of the serial design, in all modes of movement. The improved system of automatic control of wheelsets position makes it possible to reduce guiding forces by 35%. The possibility of using the mathematical model of locomotive movement of the axial formula 30-30 of improved bogie design with axle-box links of adjustable length, taking into account the dynamics of the automatic control system of the wheelsets installation in the rail track, is theoretically substantiated. The theoretical research found out the reduction of lateral forces in the improved bogie design during the passage of curvilinear track sections. The use of the explored mathematical model of locomotive movement reduces the volume and complexity of research works, as well as increases the reliability of engineering calculations when designing new and improving existing designs of the locomotive underframe.

Keywords

Mathematical model Dynamics Curvilinear track section Radial installation Wheelset Controllable movement Numerical methods 
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© Springer Nature Switzerland AG 2020

Authors and Affiliations

  1. 1.Department «Logistic Management and Traffic Safety»V. Dahl East-Ukrainian National UniversitySievierodonetskUkraine
  2. 2.Department «Locomotives»Dnipropetrovsk National University of Railway Transport named after Academician V. LazaryanDniproUkraine
  3. 3.Vilnius Gediminas Technical UniversityVilniusLithuania

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