Performance enhancement of spark ignition engines by using fractional order controller

Conference paper (2016)

Authors

M. Zarghami Azad Islamic University, Ecole de Technologie Superieure (ETS)

M. Babazadeh University of Zanjan

S. Hassan HosseinNia Mechatronic Systems Design - Mechanical, Maritime and Materials Engineering

Research Group

Mechatronic Systems Design (Mechanical, Maritime and Materials Engineering) (TU Delft)

Genetic algorithm PI controller Fractional order control Spark ignition engines

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Published Date

2016

Language

English

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Faculty

Mechanical, Maritime and Materials Engineering

Department

Precision and Microsystems Engineering

Research Group

Mechatronic Systems Design

Abstract

This paper presents an improved scheme of fractional PID controller applied to the torque control problem of spark ignition (SI) engines. The objectives are to produce a minimum torque tracking error while obtaining fewer fuel consumption during the process of combustion. This is then resulted to provide a fast and monotonic air flow response into the engine cylinders by adjusting the throttle and EGR plate angle and the cam timing. This consideration also pushes the engine to work in its safe operational condition, avoiding from both knocking and misfiring damage. Afterwards, a preliminary investigation to obtain maximum efficiency is conducted on the idea of exploiting Genetic Algorithm that is commonly used in parallel optimization of controller coefficients. Eventually, simulation results illustrate effectiveness of proposed scheme in comparison with classical PID controller method.