The study of the energetic performance in test cycles

CAR2017 International Congress of Automotive and Transport Engineering - Mobility Engineering and Environment

工业技术;运输工程

Rentea, Cristian^1 ; Tuca, Alexandra^1 ; Oprean, Mircea^1 ; Bataus, Marius^1

Automotive Engineering Department, University Politehnica of Bucharest, 313 Spl. Independentei, Bucharest, Romania^1

关键词: Complex model;    Engine speed;    Engine torque;    Global performance;    Light vehicles;    Simulation environment;    Transmission efficiency;    Vehicle speed;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/252/1/012087/pdf
DOI  :  10.1088/1757-899X/252/1/012087

学科分类：工业工程学

来源: IOP

【 摘 要 】

One of the most important subsystems of modern passenger cars is the transmission. This paper aims to investigate the global performances of a modern transmission in different test cycles including the newly introduced WLTC (Worldwide Harmonized Light Vehicles Test Cycle). The study is done using a complex model developed in a performant simulation environment. Transmission efficiency calculation is emphasized, the efficiency being considered variable depending on engine torque, engine speed and gear ratio. The main important parameters (vehicle speed fluctuation, overall transmission efficiency, fuel consumption ratio) needed to compare test cycles and the transmissions performance are determined.