Figure7
![Layered random fault injection method for the air braking system based on multiple Markov chains](https://image.oaes.cc/226a3496-6e15-4974-a77d-04f53ca226f0/ces4002-7.jpg)
Figure 7. EPBS_FIDMV main function model diagram. ①Set up the fault level. ②Set the fault type. ③Load form. ④Run the simulation. ⑤Set up the initial braking speed. ⑥Exit interface. ⑦Save observation point data. ⑧Stop the simulation. ⑨Select carriage. ⑩Display user-defined algorithm path. ⑪Save the online and offline fault diagnosis results. ⑫Lists simulation logs. ⑬Select fault diagnosis algorithms. ⑭Load offline fault data. ⑮Set the offline fault flag mode. ⑯Display train operation structure diagram. ⑰Introduce abbreviations. ⑱Display the online and offline fault diagnosis results. ⑲Display the data curve of the fault observation point.