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Philosophy and strategy of New Car Assessment Program to rate crashworthiness

  • A means of assessing the passive safety of automobiles is a desirable instrument for legislative bodies, the automobile industry, and the consumer. As opposed to the dominating motor vehicle assessment criteria, such as engine power, spaciousness, aerodynamics and consumption, there are no clear and generally accepted criteria for assessing the passive safety of cars. The proposed method of assessment combines the results of experimental safety tests, carried out according to existing legally prescribed or currently discussed testing conditions, and a biomechanical validation of the loading values determined in the test. This evaluation is carried out with the aid of risk functions which are specified for individual parts of the body by correlating the results of accident analysis with those obtained by computer simulation. The degree of conformance to the respective protection criterion thus deduced is then weighted with factors which take into account the frequency of occurrence and the severity of the accident on the basis of resulting costs. Each of the test series includes at least two frontal and one lateral crash test against a deformable barrier. The computer-aided analysis and evaluation of the simulation results enables a vehicle-specific overall safety index as well as partial and individual safety values to be determined and plotted graphically. The passive safety provided by the respective vehicle under test can be defined for specific seating positions, special types of accident, or for individual endangered parts of the body.

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Author:Gerhard Lutter, Hermann Appel, Andre Seeck, Bernd Friedel
Document Type:Conference Proceeding
Date of Publication (online):2015/05/15
Year of first publication:1998
Contributing corporation:ISS Automotive Research
Release Date:2015/05/15
Tag:Analyse (math); Bewertung; Fahrzeug; Sicherheit; Zusammenstoß
Analysis (math); Car; Collision; Deformation; Evaluation (assessment); Safety
Link zum Volltext: http://www-nrd.nhtsa.dot.gov/pdf/esv/esv16/98s11o14.pdf
Source:Proceedings of the 16th International Technical Conference on the Enhanced Safety of Vehicles, May 31 to June 4, 1998, Windsor, Ontario, Canada, S. 2509-2517
Institutes:Abteilung Fahrzeugtechnik / Abteilung Fahrzeugtechnik
Sonstige / Sonstige
Dewey Decimal Classification:6 Technik, Medizin, angewandte Wissenschaften / 62 Ingenieurwissenschaften / 620 Ingenieurwissenschaften und zugeordnete Tätigkeiten
collections:BASt-Beiträge / ITRD Sachgebiete / 91 Fahrzeugkonstruktion
BASt-Beiträge / Tagungen / International Technical Conference on the Enhanced Safety of Vehicles (ESV) / 16th ESV Conference 1998

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