HIC measurement limitation

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Table of contents

Symbols and glossary
1 Introduction
1.1 Autoliv Sverige AB
1.2 Pedestrian Protection System
2 Problem formulation
2.1 Purpose
2.2 Delimitations
3 Literature studies
3.1 Priorities of pedestrian protection – a real life study of severe injuries and car sources
3.2 The Head Injury Criterion (HIC) functional
3.3 HIC measurement limitation
3.3.1 Influence of impact speed on head and brain injury outcome in vulnerable road user impacts to the car hood
4 Theory
4.1 Gas and pressure
4.2 Material science
4.3 Strength of material
4.4 Pedestrian Protection Airbag
4.5 Concept Development
4.5.1 Clarification of the problem
4.5.2 Consultation of experts
4.5.3 Brainstorming
4.6 Concept selection
4.6.1 Autoliv evaluation matrix
5 Concept development
5.1 Parameters
5.2 Concept generation
6 Patent infringements
6.1 Found patents
7 Concept selection
7.1 Equipment
7.2 Body in white, BiW
7.3 Hood
7.4 Hinges
8 Measuring methods
8.1 Accelerometers
8.1.1 Diadem
8.2 Patrick marking
8.2.1 TEMA
8.3 Camera
8.3.1 Falcon Extra
8.4 Pressure measurement
9 Testing and results
10 Analysis and discussion
10.1 Time of hood lift of 100 mm
10.1.1 Repetitive behaviour within the concepts
10.1.2 Comparison of lift times for all concepts
10.2 Pressure
10.3 Positioning
11 Conclusions
12 Future work
References