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SAE 2016-01-1468 : 2016

Tire Mark Striations: Sensitivity and Uncertainty Analysis

Standard Details

Previous work demonstrated that the orientation of tire mark striations can be used to infer the braking actions of the driver [ 1 ]. An equation that related tire mark striation angle to longitudinal tire slip, the mathematical definition of braking, was presented. This equation can be used to quantify the driver’s braking input based on the physical evidence. Braking input levels will affect the speed of a yawing vehicle and quantifying the amount of braking can increase the accuracy of a speed analysis. When using this technique in practice, it is helpful to understand the sensitivity and uncertainties of the equation. The sensitivity and uncertainty of the equation are explored and presented in this study. The results help to formulate guidelines for the practical application of the method and expected accuracy under specified conditions. A case study is included that demonstrates the analysis of tire mark striations deposited during a real-world accident.

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General Information

Status : ACTIVE
Standard Type: Main
Document No: SAE 2016-01-1468 : 2016
Document Year: 2016

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SAE 2016-01-1468 : 2016
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