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Table 7 Comparison of simulation and experimental results, grouped by slope and bump height

From: Manual wheelchair downhill stability: an analysis of factors affecting tip probability

Slope angle Bump height Sims correct Sims incorrect Discrepancies Percentage correct
Simulations Experiments
7.8° 1.3 cm 24 1 Rolled Backwards tip 96.0
7.8° 1.9 cm 22 5 3x forward tip
2x backward tip
Rolled
Rolled
81.5
7.8° 3.2 cm 24 3 Stopped
Stopped
Backward tip
Backward tip
Forward tip
Forward tip
88.9
4.8° 1.3 cm 33 1 Stopped Rolled 97.1
4.8° 1.9 cm 33 6 4x rolled
2x stopped
Stopped
Forward tip
84.6
4.8° 3.2 cm 32 5 3x stopped
Backward tip
Backward tip
Forward tip
Forward tip
Stopped
86.5
  1. For 189 trials, 88.9% of the simulations gave the same results as the experiment