Pedestrian Test Protocol - Euro NCAP

12 HEADFORM TESTING
12.1 Description of Headforms and Their Instrumentation
12.1.1 The headforms used shall conform to that specified in Regulation (EC) 78/2009 of the
European Parliament and of the Council (14th January 2009) and annexed in
Regulation (EC) 631/2009 (22nd July 2009).
12.1.2 The child/small adult impactor to be used is defined in Part V (Test impactors), no. 3
of the Annex of Regulation (EC) 631/2009. The adult impactor to be used is defined in
Part V (Test impactors), no. 4 but excluding no. 4.1.1 of the Annex of Regulation (EC)
631/2009.
12.1.3 Instrumentation:
Version 7.0
March 2013
Location
Centre of gravity of
headform
Centre of gravity of
headform
Centre of gravity of
headform
Measurement
Fore/Aft
acceleration 3
Vertical
acceleration
Lateral
acceleration
CFC
1000
1000
1000
CAC
500g
500g
500g
No of
channels
12.2 Certification - Dynamic
12.2.1 The certification procedures are detailed in Regulation (EC) 631/2009 (22nd July
2009).
12.2.2 The headforms 6 shall be certified before the test programme.
12.2.3 The headforms 6 shall be certified after a maximum of 20 impacts.
12.2.4 The headforms 6 shall be certified at least once every 12 months regardless of the
number of impacts they have undergone.
12.2.5 If the headforms 6 exceed any of their CACs then they shall be re-certified.
12.3 Test Procedure - Pre Test
12.3.1 Ensure that the vehicle is fully test prepared as described in Section 1.
12.3.2 Ensure the vehicle is at the same ride heights as those recorded during marking up of
the vehicle.
12.3.3 Ensure that the headforms, the vehicle, the propulsion system and the data acquisition
equipment have soaked in a temperature in the range of 16C to 24C for at least 2
hours prior to testing.
12.3.4 Fit the required headform to the propulsion system. A child/small adult headform
impactor shall be used for tests to the forward section of the bonnet top, A-pillars,
windscreen, roof (labelled C in Section 3.10), with the test locations lying between
boundaries described by wrap around distances of 1000mm and 1500mm. An adult
headform impactor shall be used for tests to the rearward section of the bonnet top
(labelled A in Section 3.10), with the test locations lying between boundaries
described by wrap around distances of 1700 mm and 2100 mm. Where test locations
3 Relative to the direction of motion of the headform
6 Headforms consist of headskins, aluminium sphere and instrumentation
1
1
1
49