Fig 1.
JM3 type tread shape.
Fig 2.
FSA optimized GPR prediction algorithm flow.
Table 1.
DF11 locomotive wheel diameter measurement report (five times).
Table 2.
Parameter setting situation.
Fig 3.
Comparison of wheel diameter value prediction results of four algorithms.
Table 3.
Comparison of four algorithm prediction indicators.
Fig 4.
Residual comparisons of the four algorithms.