In this paper, the dynamic response of the Indian railway wagon suspension system is investigated using MATLAB Simulink under step input condition which simulates the irregularities of the track. In the initial part of the work, a linear dynamic model of the Indian railway wagon suspension system was carried out and later mathematical equations are derived from the model constructed. An equivalent Simulink model in accordance with the equations was constructed in MATLAB Simulink. The system is given a step input to simulate the irregularity of the track and the dynamic response such as displacement, velocity and acceleration of the coach, bogie frame and the wheel were found. From the result, it was observed that for the step input, the major vibrations will occur at the coach and the bogie frame and thus causing discomfort to the passengers. In order to reduce these vibration modifications, it is made to the full suspension model with the use of hydraulic actuator controlled by proportional–integral–derivative (PID) controller. It is then simulated using MATLAB Simulink under the same track condition to study the vibration characteristics. The results of the modified suspension system show greater improvements in comparison with the system without PID controller. The improvization with the modified suspension system is suggested to achieve the travel comfort for the passenger.
Vibration Analysis of Railway Wagon Suspension System for Improved Ride Quality using MATLAB Simulink
Lecture Notes on Multidisciplinary Industrial Engineering
27.08.2020
18 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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