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Biased Wear Control of Straddle-type Monorail Vehicle Running Tires Based on Running Surface Profile Optimization

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Názov: Biased Wear Control of Straddle-type Monorail Vehicle Running Tires Based on Running Surface Profile Optimization
Autori: LI Liheng, WEN Xiaoxia, WANG Aibin, DU Zixue, CHEN Liang, ZHAO Jun, LIU Xu
Zdroj: Chengshi guidao jiaotong yanjiu, Vol 28, Iss 9, Pp 98-103 (2025)
Informácie o vydavateľovi: Urban Mass Transit Magazine Press, 2025.
Rok vydania: 2025
Zbierka: LCC:Transportation engineering
Predmety: straddle-type monorail vehicle, tire wear, running surface, Transportation engineering, TA1001-1280
Popis: [Objective] Controlling the biased wear of running tires is a critical technical challenge for SMT (straddle-type monorail transit) vehicles. It is necessary to study the control of biased tire wear when a SMT vehicle passes through curved segments of the running surface. [Method] Taking the arc height of the track beam running surface as the optimization variable, and using the total friction work of the running tires and the deviation of the friction work as dual optimization objectives, an optimization model for the running surface of SMT vehicles is established. Based on the dynamics model of SMT vehicles, a functional relationship is developed between the running surface optimization variables and the boundary parameters of the running tire operating conditions. A multidisciplinary co-simulation optimization approach using the particle swarm optimization algorithm is employed to obtain the Pareto optimal solutions for the arc height of the track beam running surface. [Result & Conclusion] When the optimal arc height of the concave inner running surface is 23.50 mm, the total friction work of the running tires decreases by 5.09%. When the optimal arc height of the convex outer running surface is 12.21 mm, the total friction work of running tires decreases by 4.85%, and the friction work deviation value decreases by 26.74%, and the overall friction work deviation value decreases by 10.69%. By optimizing the running surface arc height of the rail beam and reasonably designing the running surface profile, the biased wear of running tires can be mitigated to some extent, thereby achieving the goal of reducing running tire wear.
Druh dokumentu: article
Popis súboru: electronic resource
Jazyk: Chinese
ISSN: 1007-869X
Relation: https://doaj.org/toc/1007-869X
DOI: 10.16037/j.1007-869x.20231189.html
DOI: 10.16037/j.1007-869x.20231189
Prístupová URL adresa: https://doaj.org/article/3c6c34fa1d58409abec200119a13739e
Prístupové číslo: edsdoj.3c6c34fa1d58409abec200119a13739e
Databáza: Directory of Open Access Journals
Popis
Abstrakt:[Objective] Controlling the biased wear of running tires is a critical technical challenge for SMT (straddle-type monorail transit) vehicles. It is necessary to study the control of biased tire wear when a SMT vehicle passes through curved segments of the running surface. [Method] Taking the arc height of the track beam running surface as the optimization variable, and using the total friction work of the running tires and the deviation of the friction work as dual optimization objectives, an optimization model for the running surface of SMT vehicles is established. Based on the dynamics model of SMT vehicles, a functional relationship is developed between the running surface optimization variables and the boundary parameters of the running tire operating conditions. A multidisciplinary co-simulation optimization approach using the particle swarm optimization algorithm is employed to obtain the Pareto optimal solutions for the arc height of the track beam running surface. [Result & Conclusion] When the optimal arc height of the concave inner running surface is 23.50 mm, the total friction work of the running tires decreases by 5.09%. When the optimal arc height of the convex outer running surface is 12.21 mm, the total friction work of running tires decreases by 4.85%, and the friction work deviation value decreases by 26.74%, and the overall friction work deviation value decreases by 10.69%. By optimizing the running surface arc height of the rail beam and reasonably designing the running surface profile, the biased wear of running tires can be mitigated to some extent, thereby achieving the goal of reducing running tire wear.
ISSN:1007869X
DOI:10.16037/j.1007-869x.20231189.html