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Title Modeling of internal combustion engine control processes
Authors Bilel, Gaaloul
ORCID
Keywords engine model
модель двигуна
модель двигателя
air fuel ratio
коефіцієнт повітря-паливо
соотношение воздух-топливосоотношение воздух-топливо
idle speed control
керування швидкістю холостого ходу
управление скоростью холостого хода
Type Masters thesis
Date of Issue 2021
URI https://essuir.sumdu.edu.ua/handle/123456789/86782
Publisher Сумський державний університет
License Copyright not evaluated
Citation Bilel Gaaloul Modeling of internal combustion engine control processes : work on obtaining a master's degree : spec. 151 - automation and computer-integrated technologies / science head H. V. Kulinchenko. Sumy : SSU, 2021. 73 p.
Abstract The control system has been suggested to convert the nonlinear model to a linearized plant model. Therefore, we characterized the engine model based on certain aspects and analyzed it accurately to fit in the system. Simulations were performed using the PID controller to regulate and maintain the output response while rejecting any input disturbance. An engine model of a control system shows an essential role in defining the correct parameters. Hence, Idle speed control is the principal of the highest confrontations for the automotive industry and developers as they were addressing many issues concerning engine at rest position and fuel-saving economy. We keep many experiments with changing values of the PID control system. Through Simulink graphs, we compared different results and were able to find the correct value for the Idle Speed Control of the engine model. Hence, this system control predicts the control change in the system for stable equilibrium. Via manual tuning of PID control parameters, we were able to linearize the plant model and determine the correct parameters of the plant model. This study also presents an AFR control for the engine model. The main contribution is that AFR regulation is reformulated as a tracking control for the required injected fuel. To obtain a better response, the output measurement is added to a predefined AFR control. The parameter tuning is straightforward, while better AFR control response and reduction can be achieved compared to the PID control. The AFR control has been studied for internal combustion engines based on the mean value model. The control design method based on nonlinear feedback control and their control performance has been investigated for different cases. The simulation results show that the controller applying the nonlinear feedback control could give satisfactory AFR regulation performances for our engine model with specific load disturbance.
Appears in Collections: Кваліфікаційні роботи здобувачів вищої освіти (ЕлІТ)

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