New possibilities to reduce wheel and rail wear in the operation of metro wagons on curved track with small curve radii without considering propulsion and braking systems

• Autorzy: Matej Jan , Orliński Piotr

Identyfikatory

DOI

10.17531/ein.2023.1.15

• Języki publikacji: EN

Abstrakty

EN

This paper analyses the parameters relevant to the operation of underground cars in traffic on straight and curved tracks with small curve radii. Current knowledge of non-linear lateral dynamics of rail vehicles and the specialist computer programme Vi-Rail were used to build models and perform simulation calculations. A solution was proposed to enable passive control of wheelsets with very high guiding stiffnesses, without the need for systems to force the axles of the wheelsets to align radially in a curved track. This effect was achieved by varying the guidance stiffness in the horizontal plane of the frame of each bogie. The adopted course of action offers simplicity of solution, low manufacturing costs, high critical speed on straight track and extended service life of the metro wagons resulting from reduced mechanical wear of wheels and rails. A multi-criteria evaluation was carried out, confirming improved bogie controllability and reduced impact of the metro wagon wheelsets on the curved track. Comparisons were made of the design volumes for metro model wagons with bogies with symmetric and unsymmetric axle-guide stiffness arrangements of the wheelsets.

Słowa kluczowe

EN

critical speed; lateral dynamics; wheel wear; bogie steerability; curved track interaction

• Wydawca: Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne
• Czasopismo: Eksploatacja i Niezawodność
• Rocznik: 2023
• Tom: Vol. 25, no. 1
• Strony: art. no. 15
• Opis fizyczny: Bibliogr. 13 poz., rys., tab., wykr.

Twórcy

autor

Matej Jan

• Warsaw University of Technology, Faculty of Automotive and Construction Machinery Engineering, Institute of Vehicles and Construction Machinery Engineering, Narbutta 84, 02-524 Warsaw, Poland

• https://orcid.org/0000-0002-9974-4450

autor

Orliński Piotr

• Warsaw University of Technology, Faculty of Automotive and Construction Machinery Engineering, Institute of Vehicles and Construction Machinery Engineering, Narbutta 84, 02-524 Warsaw, Poland

• https://orcid.org/0000-0002-1433-5202

Bibliografia

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• 9. Liu, X., Goodall, R., Iwnicki , S.: Yaw compensation and yaw relaxation controls for active steering of railway wheelsets via electromechanical actuators. Proc IMechE Part F: J Rail and Rapid Transit, 2022, Vol. 236(1) 70–79, doi.org/10.1177/09544097211004322.
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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).