Model-based multi-critical optimisation of combustion engine fuel consumption and emissions

Wang, Xiaoming, Zhang, Shujun and Bechkoum, Kamal (2019) Model-based multi-critical optimisation of combustion engine fuel consumption and emissions. IOP Conference Series: Materials Science and Engineering, 517 (1). 012005. ISSN 1757-899X

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Abstract

The combustion engine is a typical nonlinear multi-input multi-output (MIMO) system with strong couplings, actuator constraints, and fast dynamics This paper addresses a model-based multi-critical optimisation approach in diesel engines, which allows to improve emission performance and to provide a reference for the design and optimisation of the diesel engine system. The first part of this paper introduces a data based modelling method that appears particularly suitable for emission modelling. The Design of Experiments (DoE) method helps to generate and collect the required measurement for data-based modelling in a short time, despite the increasing number of manipulated variables. The second part establishes a new model-based multi-critical optimisation approach that supports the optimisation of fuel consumption and emissions based on engine models. This proposed model-based framework consists of system identification and multi-critical optimisation. This framework has the ability to achieve the fast and precise solving of multi-critical optimisation problem and is suitable for implementation in the engine control unit. The experiment results illustrate that the model-based multi-critical optimisation significantly improves the engine exhaust emissions and fuel consumption against the original ECU.

Item Type: Article
Article Type: Article
Uncontrolled Keywords: Dual-process models; Exercise psychology; Head-mounted display; Immersion; Physical activity; Virtual reality
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Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Schools and Research Institutes > School of Business and Technology > Technical & Applied Computing
Research Priority Areas: Applied Business & Technology
Depositing User: Susan Turner
Date Deposited: 01 Aug 2019 08:11
Last Modified: 12 Aug 2019 08:47
URI: http://eprints.glos.ac.uk/id/eprint/7077

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