Coordinating Control Oriented Research on Algorithm of Engine Torque Estimation for Parallel Hybrid Electric Powertrain System

Tong Yi; Li Jianqiu; Zhang Junzhi; Yang Fuyuan; Zhang Kexun; Yang Minggao

doi:10.4271/2004-01-0424

2004-03-08

Coordinating Control Oriented Research on Algorithm of Engine Torque Estimation for Parallel Hybrid Electric Powertrain System 2004-01-0424

The internal combustion engine and motor should be controlled coordinately to meet the demand of smooth power transfer and good drivability especially during transient conditions for parallel hybrid powertrain system. This paper presents the essential technology of how to estimate the engine torque by the measurement and processing of instantaneous crankshaft speed. One multi-injection gasoline engine and one turbocharged diesel engine are selected to manifest the algorithm of engine torque estimation and the experiments show fairly good results for both engines. Consequently an engine torque sensor can be easily calibrated and applied to feedback engine torque in coordinating control.

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Coordinating Control Oriented Research on Algorithm of Engine Torque Estimation for Parallel Hybrid Electric Powertrain System 2004-01-0424

SAE MOBILUS