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German Insurance Association

Characteristics of Car Accidents. in the Pre-Crash Phase. Klaus LANGWIEDER. German Insurance Association. 1999 JSAE Spring-Convention, Japan. SAE-Japan`99. 99-224. PreCrash. Components of the Electronic Stability Program. SAE-Japan`99. 99-226. PreCrash. Accident with loss of control.

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German Insurance Association

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  1. Characteristics of Car Accidents in the Pre-Crash Phase Klaus LANGWIEDER German Insurance Association 1999 JSAE Spring-Convention, Japan SAE-Japan`99 99-224 PreCrash

  2. Components of the Electronic Stability Program SAE-Japan`99 99-226 PreCrash

  3. Accident with loss of control Loss of control - no adapted speed - deflection - false reaction (for example: oversteering) (Single car accident) Collision with other vehicle SAE-Japan`99 99-225 PreCrash

  4. Accident material GDV FS 90 car to vehicle 15,000 FS 90 single car accident 1,000 Young Drivers Database 936 RESIKO 1,111 RESIKO 524 car to vehicle 674 single car accident 262 SAE-Japan`99 99-227 PreCrash

  5. Accident material with skidding accidents database database „Young Drivers“ „RESIKO“ n = 236 n = 331 single car accident n = 156 (66.1%) n = 200 (60.4%) car to vehicle n = 80 (33.9%) n = 131 (39.6%) young drivers (18-24 years) drivers all age groups restrictions accident involving serious injury (MAIS 3+) personal damage SAE-Japan`99 99-228 PreCrash

  6. Description of critical pre-crash phase examples single correction attempt multiple correction attempt SAE-Japan`99 99-229 PreCrash

  7. AssessmentFrequency of skidding Database „Young Drivers“ Database „RESIKO“ Total about 20% (18-24 years) all age groups % MAIS 3+ 60% % 39% 156 200 12% 12% 131 80 262 674 524 1,111 basic material (cases) SAE-Japan`99 single car accidents car to vehicle collisions 99-231 PreCrash

  8. Frequency of loss of control/skiddingstraight road vs. curves % % Database „Young Drivers“ Database „RESIKO“ 71% 61.6% 40% 48.5% 38.4% 29% 55.1% 60% 35% 51.5% 65% 44.9% straight road curves straight road curves SAE-Japan`99 right side left side inner side outer side 99-230 PreCrash

  9. Attempt to correct driving path % % Single correction attempt Multiple correction attempt 74.8% 67.5% 64.5% 50.6% 49.4% 35.5% 32.5% 25.2% Database Database Database Database „RESIKO“ „Young Drivers“ „RESIKO“ „Young Drivers“ single vehicle car to vehicle SAE-Japan`99 99-232 PreCrash

  10. Length of correction path (RESIKO - database) % 58.3% 55.5% 23.9% 17.8% 24.5% 62.6% 20% 22.9% 14.5% < 40 m 40 - 70 m > 70 m single vehicle car to vehicle SAE-Japan`99 99-233 PreCrash

  11. Frequency of braking % 48.9% 49.0% 34.5% 30.6% 16.5% 48.9% 38.9% 20.4% 12.2% no braking partial braking full braking single vehicle car to vehicle SAE-Japan`99 99-234 PreCrash

  12. Electronic stability proposalspossible benefit for active and passive safety opponent car point of accident SAE-Japan`99 99-235 PreCrash

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