Research Article

Modeling and Error Compensation of Robotic Articulated Arm Coordinate Measuring Machines Using BP Neural Network

Table 2

Simulation results of different parameters of BPNN for the AACMM.

Simulation number TDHLNNLRGAEpoch  [times]Training time [seconds]Maximum error [mm]Average error [mm]

100001100.1100012425.90808.511
80001100.15165120.48588.6132
50001100.110006422.69379.4585
200001100.158625322.35748.9189
90001100.1100011520.64448.3117
100001100.1100012726.8878.8126
100001100.1100012625.89648.1825
10000110136012321.56038.7369
100001100.01100012518.13128.1551
100001100.001100012527.62238.8921
10000110101361731.209310.1348
10000130.110009390.712334.1409
10000140.12932568.093926.4297
100001130.15898914.86416.3235
100001500.140216.11572.5537
1000011000.117129.44082.8841
1000020.1382311.55312.4639