Open Access
Table 5
Statistical data of comprehensive positioning errors before and after compensation using four algorithm models.
| Category | Before compensation | After OOA-DNN compensation | After PSO-DNN compensation | After DNN compensation | After ELM compensation |
|---|---|---|---|---|---|
| Mean value | 2.464 mm | 0.194 mm | 0.262 mm | 0.310 mm | 0.471 mm |
| Standard deviation | 1.083 mm | 0.097 mm | 0.128 mm | 0.140 mm | 0.256 mm |
| Error range | 0.627∼5.736 mm | 0.039∼0.486 mm | 0.023∼0.589 mm | 0.080∼0.933 mm | 0.078∼1.245 mm |
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