REAL-TIME FRICTION TORQUE ESTIMATION ON A DIESEL ENGINE USING THE CRANKSHAFT SPEED FLUCTUATION

被引：1

作者：

Mohammed, Seddak ^{[1
,2
]}

Amina, Lakhdari A. ^{[1
]}

机构：

[1] Univ Sci & Technol Oran Mohamed Boudiaf, Mech Fac, Mech Engn Dept, BP 1505 El Mnaouar, Oran 31000, Algeria

[2] Ecole Natl Polytech Oran Maurice Audin, Lab Rech Technol Environm, Oran, Algeria

来源：

ENGINEERING REVIEW | 2021年 / 41卷 / 03期

关键词：

Diesel engines; Instantaneous Friction Torque; Crankshaft Dynamic; Thermodynamic model; Instantaneous engine speed;

D O I：

10.30765/er.1515

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Under the pressure of stricter regulations on pollutant emissions and the desire of users for lower fuel consumption and more comfortable driving, engine control based on torque has been developed. To provide an accurate estimate of effective torque, friction losses must be modeled. The details of a model that predicts the total instantaneous friction torque for compression ignition engines are described. The model is based on a combination of the dynamic model of the crankshaft and the thermodynamic model. The total instantaneous friction torque is determined using the instantaneous measurements or numerical predictions of the gas pressure in the combustion chamber, the rotational speed of the crankshaft and the load torque. The experimental data and the numerical simulation results were compared. The comparison between the different variables shows a good agreement between the simulation and the experimental results.

引用

页码：42 / 58

页数：17

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