Dynamic Modeling and Active Control of Slip Phenomenon in a Four-axle Locomotive

Molatefi, Habibollah; Ferestade, Iman; Taefi Aghdam, Nastaran

doi:10.22068/IJRARE.7.2.73

Volume 7, Issue 2 (12-2020) IJRARE 2020, 7(2): 73-87 | Back to browse issues page

‎ 10.22068/IJRARE.7.2.73

PMID: 10.22068/IJRARE.7.2.73

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Molatefi H, Ferestade I, Taefi Aghdam N. Dynamic Modeling and Active Control of Slip Phenomenon in a Four-axle Locomotive. IJRARE 2020; 7 (2) :73-87
URL: http://ijrare.iust.ac.ir/article-1-165-en.html

Dynamic Modeling and Active Control of Slip Phenomenon in a Four-axle Locomotive

Habibollah Molatefi

, Iman Ferestade

, Nastaran Taefi Aghdam

School of Railway Engineering, Iran University of Science and Technology, Tehran, Iran

Abstract: (1530 Views)

Today, active control of rail vehicles, especially wheel slip control, is of great importance. Regarding to the various methods of slip control, selection of the best method is necessary in the design of the rail vehicles. In this paper, first, a slip simulator for a four-axle locomotive was selected to simulate the slip phenomenon, then components of this simulator were separately designed, and finally its 3D model was presented. Afterwards, dynamic equations based on nonlinear creep theory for this simulator were derived and by solving state space equations, the dynamic modeling of the slip phenomenon was obtained. Using fuzzy control method with three different methods: per vehicle, per bogie and per wheelset, the controller was designed and finally with adding this controller to the dynamic model, the best method for controlling the slip was determined.

Keywords: Slip simulator, Nonlinear creep theory, Fuzzy control

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Type of Study: Research | Subject: Rolling Stock