Research Article
Determination of Optimal Drop Height in Free-Fall Shock Test Using Regression Analysis and Back-Propagation Neural Network
Table 6
Maximum errors (ME) of time duration by BPNN and regression analysis.
| | Item | Case | | Case 1 (ms) | Case 2 (ms) | Case 3 (ms) | Case 4 (ms) | Average ME (ms) |
| | Training patterns | | | | | | | BPNN | 1.172 × 10−12 | 9.415 × 10−14 | 1.377 × 10−13 | 5.596 × 10−14 | 3.65 × 10−13 | | Regression | 0.0076 | 0.3071 | 3.575 × 10−14 | 0.0583 | 0.0932 | | Test patterns | | | | | | | BPNN | 0.0277 | 0.0016 | 0.0303 | 0.0077 | 0.0168 | | Regression | 0.0232 | 0.301 | 0.0428 | 0.0502 | 0.1043 |
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