Electronic throttle body tuning using non-linear PID controller

Dharham, Dharmawan (2017) Electronic throttle body tuning using non-linear PID controller. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Electronic throttle body (ETB) is one of the most important components in the gasoline engine system of the vehicle. It serves to regulate the amount of air flow into the engine during the induction stroke with the proper ratio. Even though the ETB have been used in the automobile industry for a long time, there still exist some difficulties in this technology in controlling the electronic throttle valve that causes the air and fuel ratio is not quite right as needed. The difficulties that affecting the ETB performance is attributed from the discontinuous nonlinear of the spring that force the valve plate to return to its original position and also the non-linearity that lies inside the system such as stick-flip friction and gear backlash. In this project, the ETB will be tuned using the Nonlinear Proportional Integral Derivative (PID) controller. ETB model will be built up using Matlab software and then the tuning simulation process of ETB is carried out using conventional PID controller for angle of 30º, 45º, 60º, 75º and 90º. After that, the Nonlinear PID controller will built up and then the tuning process will conduct using the

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