Multiobjective Optimization of Bogie System and Vibration Control

Start date 01/07/2011
End date The project is closed: 31/10/2016

The bogie system transmits forces between train and track. With increasing requirements on the performance
of railway vehicles, the demands on their bogies will also increase. Not only need the bogie be “stiff” enough to guarantee the stability of the running vehicle but it should also be “soft” enough to ensure passenger comfort and minimize rolling contact wear and fatigue of rails and wheels. These demands on bogies are becoming difficult to meet by use of traditional passive solutions, a fact which has led to an acceptance of active components.

In this project, the focus is on a combination of multi-objective optimization of the bogie system and active vibration control. In addition, appropriate actuation technologies should be developed.

The main aims and objectives of the project are: (i) to formulate and solve multi-objective optimization problems
for a multidimensional non-linear controlled dynamic system, which models the bogie of a modern railway vehicle
with adaptronic components (sensors, actuators and controllers), (ii) to search for the optimal properties of the bogie system by identifying and analysing optimal design parameters, (iii) to study smart-material-based actuator and sensor technology to get an insight into the expected outcome of their application to bogie systems for highspeed
railway vehicles, and (iv) to design adaptive strategies for optimal vibration control and system stability of the complete vehicle.

​Chalmers, Bombardier Transportation

Page manager Published: Wed 25 Jun 2014.