A general NMPC framework for a diesel engine air path

Abstract

This paper presents the formulation of a parameterised nonlinear model predictive control (NMPC) scheme to be applied on a diesel engine air path. The most important feature of the proposed controller is that it uses no structural properties of the system model. Therefore, the proposed NMPC scheme can be applied to any nonlinear system, leading to a general framework for a diesel engine air path. Moreover, the computational burden is substantially reduced due to an optimisation problem of low dimension obtained by means of the parameterised approach. Simulation results and an experimental validation are presented in order to emphasise the controller's efficiency and the real-time implementability.

Keywords:

• parameterised NMPC
• diesel engine air path
• general NMPC framework
• real-time implementation

Acknowledgments

The sponsoring of this work by the COMET K2 Center ‘Austrian Center of Competence in Mechatronics (ACCM)’ is gratefully acknowledged.

Additional information

Funding

The COMET Program is funded by the Austrian Federal Government, the Federal State Upper Austria and the Scientific Partners of ACCM.