Abstract
In this paper, a simple system, which estimates wheel load, for running stock is proposed. We have pressure sensor on each air spring and strain gage on each bogie frame in this system. Pressure sensors are used to estimate total wheel load, which is added front and rear wheel load on each bogie. Strain gage is used to estimate a proportional relation between torsion stress of each bogie frame and variation of wheel load. And this total wheel load is divided between front and rear wheel load. Numerical calculations and running experiments were carried out. The following result was obtained. It was demonstrated that the proposed system is effective to estimate wheel load for running rolling stock.
