SAE J 2944 : 2015
SAE J 2944 : 2015
OPERATIONAL DEFINITIONS OF DRIVING PERFORMANCE MEASURES AND STATISTICS
SAE International
OPERATIONAL DEFINITIONS OF DRIVING PERFORMANCE MEASURES AND STATISTICS
SAE International
1. SCOPE
2. REFERENCES
3. CITING J2944 DEFINITIONS
4. INTRODUCTION
5. GENERAL MEASUREMENT AND REPORTING GUIDANCE
AND REQUIREMENTS
6. GENERAL DEFINITIONS
7. LONGITUDINAL CONTROL: OPERATIONAL DEFINITIONS
FOR DRIVER'S PEDAL RESPONSES
8. LONGITUDINAL CONTROL: OPERATIONAL DEFINITIONS
OF VEHICLE-BASED MEASURES
9. LATERAL CONTROL: OPERATIONAL DEFINITIONS FOR
DRIVER STEERING RESPONSES TO EVENTS
10. LATERAL CONTROL: OPERATIONAL DEFINITIONS OF
VEHICLE-BASED MEASUREMENTS
11. NOTES
APPENDIX A - CALCULATION OF TIME TO COLLISION (TTC)
APPENDIX B - CALCULATION OF MINIMUM TIME TO
COLLISION (TTC[MIN])
APPENDIX C - CALCULATION OF MINIMUM ADJUSTED TIME
TO COLLISION
APPENDIX D - CALCULATION OF TIME EXPOSED TIME TO
COLLISION (TETTC OR TET)
APPENDIX E - CALCULATION OF TIME INTEGRATED
TIME-TO-COLLISION (TITTC OR TIT)
APPENDIX F - CALCULATION OF STEERING WHEEL REVERSALS
APPENDIX G - CALCULATION OF STEERING ENTROPY
APPENDIX H - CALCULATION OF TIME TO LINE CROSSING,
TRIGONOMETRIC METHOD
APPENDIX I - CALCULATION OF MINIMUM TIME TO LINE
CROSSING - APPROXIMATE METHOD FOR FIELD DATA
Gives functional definitions of and guidance for performance measures and statistics concerned with driving on roadways.
Document Type | Standard |
Status | Current |
Publisher | SAE International |