Stability Analysis of Train Movement with Uncertain Factors

Abstract EN

We propose a new traffic model which is based on the traditional OV (optimal velocity) car-following model.

Here, some realistic factors are regarded as uncertain quantity, such as the headway distance.

Our aim is to analyze and discuss the stability of car-following model under the constraint of uncertain factors.

Then, according to the principle of expected value in fuzzy theory, an improved OV traffic model is constructed.

Simulation results show that our proposed model can avoid collisions effectively under uncertain environment, and its stability can also be improved.

Moreover, we discuss its stability as some parameters change, such as the relaxation time.