Alternative aiming/leveling (explanations)€¦ · 70 GRE 21-23 October 2013 . Informal document...
Transcript of Alternative aiming/leveling (explanations)€¦ · 70 GRE 21-23 October 2013 . Informal document...
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ECE/TRANS/WP.29/GRE/2013/57
Alternative aiming/leveling (explanations)
Tomasz Targosinski Ph. D. Eng Poland
70 GRE 21-23 October 2013
Informal document GRE-70-41-Rev.1 (70th GRE, 21-23 October 2013,
agenda item 4(b))
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Informal document No. GRE-65-30 (65th GRE, 28-31 March 2011, agenda item 5(d))
„Analysis of the influence of aiming, on visibility distance and glare”
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- 2000 lm (artificial arbitrary criterion) - Gas discharge (35W, 25W?) - LED
AUTOMATIC LEVELLING
AT PRESENT - DESIGN ORIENTED REQUIREMENT
No relation to performance
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HISTORICAL ARTIFICIAL AIMING/LEVELING PROVISIONS
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PRESENT REGULATORY (Reg.48) ROAD ILLUMINATION DISTANCE [m]
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Real sizes and distances
20m 100m 200m 0m
Possible road illumination distance in Reg 48. CoP tolerances not taken into account
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75m 50m 100m
Proposed road illumination distance dependent aiming/leveling (75m, 50m-100m)
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Informal document No. GRE-65-13 (65th GRE, 28-31 March 2011, agenda item 5(d))
First version of Polish proposal (aiming/leveling)
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Informal document No. GRE-67-33 (67th GRE, 26-29 March 2012, agenda item 4(c))
- Explanations regarding decision making - Three possible options: Optimum (a) With information to drivers (c) Arbitrary obligatory automatic leveling (b)
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SCIENTIFIC CONFIRMED
REAL VERIFIABLE
REPEATABLE
IMAGINATION BELIEF
FEELINGS EMOTIONS INTERESTS
BASE FOR REAL HUMAN DECISIONS IN MOST SITUATIONS
RATIONALITY IS IN MINORITY
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WHO IS RESPONSIBLE FOR ROAD SAFETY ? (in lighting domain)
LAW CREATORS (GTB, GRE, WP29, EU)
ADMINISTRATIVE SERVICE
DRIVER PTI
MANUFACTURERS
SERVICE
GOVERNMENT
TECHNICAL SERVICE
Me
MY BOSS
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GLARE PROTECTION
Proposal reduce glare comparing present situation for most vehicles, especially cars
Glare reduction by proposal GRE 2012/21
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HOW WILL WORK GRE/2012/21
1. GUARANTED VISIBILITY DISTANCE >[75m] ?
2. GUARANTED GLARE PROTECTION ? (ACCORDING
PRESENT HEADLAMPS REG.)
OBLIGATORY AUTOMATIC LEVELLING
(German proposal)
2. GUARANTED GLARE PROTECTION ?
(PRESENT HEADLAMPS REG.)
YES NO
YES
NO
3. INFORMATION FOR DRIVER
NO
YES
3. INFORMATION FOR DRIVER (OPTIONAL)
A (optimal) B(outside GRE/2012/21 ) C(possible)
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Comments on GRE/2012/27(Lighting & Signalling WG)
Headlamp Initial Aiming
Informal document No. GRE-67-27 (67th GRE, 26-29 March 2012,
agenda item 4(c)(i))
Informal document No. GRE-68-20 (68th GRE, 15-18 October 2012,
agenda item 4(c)(i))
OICA strong opposition against propsal
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Informal document No. GRE-68-31 (68th GRE, 15-18 October 2012,
agenda item 4(d))
Polish strong response against OICA arguments
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THE SOCIETY OF MOTOR MANUFACTURERS AND TRADERS LIMITED PAGE 17
• Under proposal, What for are needed overlaps? • No overlap between height bands • Most headlamps would be aimed higher than at present
It will depend on manufacturers decision and choice of range of amended Reg.48 (30 to100m or 50 to 100m)
It will be safety oriented advantage and goal of amendment because of longer average road illumination distance. • Risks increased glare.
Not true. Decreased glare comparing present state.
Proposed Initial nominal aim to correspond to 75m theoretical range
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Polish greatly mitigated proposal(s)
ECE/TRANS/WP.29/GRE/2013/15
&
ECE/TRANS/WP.29/GRE/2013/57
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Polish greatly mitigated proposal(s)
Near as today requirements
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Fully optional reguirements
ECE/TRANS/WP.29/GRE/2013/57
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ECE/TRANS/WP.29/GRE/2013/57 GOOD, COMBINED PROPOSAL
true
„PERFORMANCE ORIENTED”
AS TODAY: ARTIFICIAL 2000lm
„DESIGN ORIENTED”
NEARLY AS TODAY BUT „PERFORMANCE ORIENTED”
ROAD ILLUMINATION DISTANCE AS CRITERION, NO RESTRICTIONS
MANUFACTURER CHOICE NO 2000 lm NO LIGHT SOURCE CRITERION
OICA
OR
MANUFACTURER CHOICE
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THANK YOU FOR YOUR ATTENTION