| 1 | Select the tire of the wheels and link this to the spoke's. so both get rotated. | |
| 2 | Axles, wheels, wheel sets (running gear), metal tyres, hoops and hubs and other parts of wheels; | |
| 3 | The fracture dynamics analysis of hoop collapsing, and calculation of hoop service life are carried out. | |
| 4 | The system realized intelligent inspection function of the wheel and ring ultrasonic testing in two on-lines. | |
| 5 | Software and hardware design of system of eddy current testing hub surface cracks in this thesis. |