Modeling on Torque Generation for Turbocharged Diesel Engine Based on Identification Method

Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 194)

Abstract

Torque-based engine control system has been developed for complexity of powertrain control. Compared with open-loop torque control, close-loop control can improve control performance radically and reduce calibration workload greatly. For turbocharged diesel engine, dynamic torque generation model of Fuel Delivery-Mean Indicated Torque should be provided. The relationship between fuel delivery and mean indicated torque is nonlinear. In different operating points, engine demonstrates different dynamic torque output characteristic. Through piecewise linearization and identification, dynamic torque generation model has been obtained in different operating points. Based on this model, close-loop torque and engine speed control algorithm can be investigated further.

Keywords

Turbocharged diesel engine Dynamic characteristic analysis Torque generation model Piecewise linearization Identification 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  1. 1.Beijing Institute of TechnologyBeijingChina

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