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Modelling of vehicle longitudinal dynamics using system identification

Syahira, Husna and Abdullah, Muhammad and Ahmad, Salmiah and Zainuddin, Mohamed Al-Sideque and Tofrowaih, Khairul Amri (2022) Modelling of vehicle longitudinal dynamics using system identification. In: 8th International Conference on Mechatronics Engineering (ICOM 2022), 9th - 10th August 2022, Kuala Lumpur (Virtual Conference).

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This paper presents an alternative modelling technique known as system identification to represent longitudinal vehicle dynamics that relates the input of pedals pressing to the output speed. The input and output data are recorded by simulating a high-fidelity nonlinear vehicle mathematical model with suitable sampling time. Different excitation input ranges are tested for the training process to get the best model representation. Once a suitable transfer function is obtained, a PID controller is tuned and implemented to control the brake and throttle pedals of the car based on the desired velocity profile. The simulation results show that the tuned PID controller managed to track the standard FTP75 drive cycles with an acceptable response. Based on these findings, it is noted that the system identification model can become a good alternative modelling technique to design a model-based controller or tune a classical controller for future applications.

Item Type: Proceeding Paper (Plenary Papers)
Uncontrolled Keywords: Vehicle longitudinal dynamics, system identification, cruise control, speed control, drive cycle
Subjects: T Technology > TJ Mechanical engineering and machinery > TJ212 Control engineering
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Engineering
Kulliyyah of Engineering > Department of Mechanical Engineering
Depositing User: Muhammad Bin Abdullah
Date Deposited: 08 May 2023 11:28
Last Modified: 31 Oct 2023 14:08
URI: http://irep.iium.edu.my/id/eprint/104549

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