Fig 1.
Skull fracture risk curve for the adult population based on the Peak Head Acceleration with the 198 g, 268 g and 361 g.
Fig 2.
Un-filtered and filtered signal from the accelerometer placed in the CG of the ATD (tests sample from CTU used ATD during an impact test with sUAS).
Fig 3.
Relation between the estimated KE at the impact and resulting Peak head acceleration for test performed by Koh et al.
(carbon frame UAS with mass of 1,4 (blue), 2,1 kg (orange) and 3,1 kg (yellow) with linear (dotted lined) and power trend fitting (solid line).
Fig 4.
Test setup and drop mechanism.
Fig 5.
Tests impact configuration.
Table 1.
Crash tests results – Tests impact configuration.
Table 2.
Crash tests results – Measured values.
Table 3.
Crash tests results – Estimated severity of injury or probability of fatality.
Table 4.
Test repeatability assessment (Mavic 2 Pro, 18 m/s).
Fig 6.
Test results (DJI Mavic 2 Pro) – Head acceleration.
Table 5.
Test repeatability assessment (Syma X5C, 18 m/s).
Table 6.
Test repeatability assessment (DJI Tello, 18 m/s and Phantom 4 Pro, 18 m/s).
Table 7.
Tests 39 - Validation test against the UA17A-11/12/13 tests.
Table 8.
Tests 34 - Validation test against the UA19A-76 test.
Table 9.
Tests 47 - Validation test against the UA19A-45/108 tests.
Fig 7.
Energy transfer slope (linear trend shown as a dotted line) based on ASTM Method C for DJI Phantom impacts.
Maximum values of peak head acceleration at 10, 13, and 15 m/s are marked (red dots); CTU test data (blue dots); Assure A4 and A14 test data (orange dots); 200 g limit (solid orange line); power trend fitting (solid red line).
Fig 8.
Predicted HIC15 values (dashed line) for DJI Phantom impacts.
Maximum values of peak head acceleration at 10, 13, and 15 m/s are marked (red dots); CTU test data (blue dots); Assure test data (orange dots); 700 HIC15 limit (solid orange line).