PAT97© Symposium

„Progress in Automobile "

Darmstadt University of

September 23 / 24, 1997

Steering Board H. Fratty; Valeo, France W. Huhn; BMWAG Prof. Dr. K. Langwieder; GDV Dr. G. Manassero; Magneti Marelli, Italy G. Meekel; RDW Netherlands Dr. K. Neuffer; Robert Bosch GmbH Prof. K. Rumar; SNRA Sweden Prof. H.-J. Schmidt-Clausen; Darmstadt University Dr. B. Wordenweber; Hella KG Hueck & Co. Content page W. Adrian, University of Waterloo 8 Fields of Visibility of the Nighttime Driver

J. A. W. M. Alferdinck, J. Theeuwes, TNO 24 The Relation between Discomfort and Driving Behaviour

J. B. Arens, Federal Highway Administration 33 Current Research Using UV- to Improve Nighttime Driver Visibility G. Bahnmiiller, Robert Bosch GmbH 43 Progress in Development of Cleaning Systems

H. Baumler, GDV 49 Typical Occurrence of Nighttime Accidents

C. Befelein, J. Ripperger, BMW AG 62 Aspects and Potential of Future Car-Interior-Lighting

M. Bernhard, 3M Europe 67 G.T.B. Work on a Harmonized Pattern for a Worldwide Passing Beam T. Beugel, FER Fahrzeugelektrik GmbH 69 LEDs in Outside

R. C. Bible, 3M Company 74 Harmonized Headlamp Beampattem: What are the Implications of a Global Specification? W. Bockelmann, Ophthalmologist 82 The Visual Perception and the Aging under Ophtalmologic Aspects

D. Boebel, Robert Bosch GmbH 90 Combining Styling and Function - Advanced Reflector Concepts for Modern Headlamps C. Boehlau, Hella, J. Damasky KG Hueck & Co. 96 New Simulation Tool for Driving at Nighttime

C. Boehlau, Hella KG Hueck & Co. 102 Knowledge-based Support for the Optical Development of Rear Lights B. Brekke, EFI Sintef Group 108 A Comparison of the Visibility of Fluorescent and Standard Retroreflective Traffic Signs Day and Night T. Dahlem, VW AG and Darmstadt University of Technology 119 Fuzzy System - a Tool for Analysing the Relation between Recessed Headlight and Headlamp Quality J. Damasky, 1-leTla KG Hueckli Co., A. Tiosemann, Daimler Benz 129 The Influence of Light Distribution of Headlamps on Drivers Fixation Behaviour at Nighttime J. Delacour, Optis 137 SPEOS Automotive: Lighting System Simulation in the Automotive Industry S. Dietz, Darmstadt University of Technology 146 Scattering Luminances in Fog Analyzed by a Simulation Software

S. Dietz, L. Schwenkschuster, Darmstadt University of 151 Technology Criteria for the Visibility of Road Markings "c.~Dubosc~VaTeo~ Lighting 157~ Styling Trends for Car Rearlamps in Accordance with Improvements in Design and Production Techniques M. Enders, Osram GmbH 179 Lifetime of Automotive Light Sources

"J.~Fenk7BMWAG 1~8~9~ Efficiency of a Breaking-Intensity-Indicator

D. Fischer, Heiia~KG Hueck & Co. ancf Darmstadt University of 200 Technology Rear Appearance of in Reality J. Fleischer, Oplronik GmbH 207 Parameters at the Measurement of the Luminance Coefficient of Retroreflektive Materials H. Frank, Mechatronic GmbH 213 Study on the Legibility of Written Information on Road Guidance Signs "J. 73eboers,~F."LJgt~hart7 cTe P h M IpsEcl airage 222~ Lighting System for Red and Amber Automotive Signals

M. Hamm, Robert Bosch GmbH 226 The Glare Discussion through Gas Discharge Headlamps: An Objective Approach through Physiology and Psychology ~w7 Hendrischk,~w7BFa1ndenburg,~Helia~KG"Hueck~& Co7 241~ Xenon Lighting - Active Safety: State and Perspective I Content page] E. Hoeevar, Saturnus - Avtooprema 250 ECE Regulations of Light and Lightsignalling adopted as National Regulations in Slovenia H. Hogrefe, Robert"Bosch GmbH 254 Future Lighting Concepts - Headlamps with Adaptive Light Pattern

H. Hogrefe, Robert Bosch GmbH 260 Modern Simulation Tools for the Lighting Technology of Headbeams

L. Hoines, J.Tliao, North^American Lighting; Inc. 265 Mechanisms of Water Ingress in Automotive Lamps

S. Itoh, J. Mashiko, T. Okada Ministry of Transport 272 Automatic Aiming Program for Headlamps of Automobiles

"F.~J. "kaTzei TTeTla~KG H~ueck"& Co7 283~ Xenon Light for Main and Dipped Beam

H. Konitzer, Bundesministerium fur^/erkehr 287 Influence of the Government in European Legislation

f. Koronevskaya , V. Novysh, Autoelectronica 297 Certification of LED Signaling Devices with Respect to ECE Regulations K. Kuikka, Motor Registration Centre 301 Lighting Regulations of Motor Vehicles in Finnland - Influence of EL) Membership R.T.Va~nlder^stm~e7N~H"fsA 306 The Achievement of Visual / Optical Aiming for North American _Hea_dJia.htjng K. Langwieder, GDV 326 Characteristic of Nighttime Accidents

K. LevTtin,TER FahrzeugeiektrTk GmbH 340~ Standardization of Lighting Parameters of Non-Dazzling Vehicle Lamps K. Manz, Karfsruhe University 344 About Criticism of Headlamps with GDL

~D.~Matthes,~VDA 355" International Regulations for Illumination- and Signaling Devices for Motor Vehicles G. J. M. Meekel, Ministry of Transportation & PubTic^/Vorks 365 Worldwide Harmonization through ECE Content page H.-H. Meseberg, Bundesanstalt fur Straftenwesen 375 Improved Vertical Traffic Signs for Work Constructions Zones

Ch. Montelymard, Valeo Lighting 385 Signal Lamp System - Linear Technology

H. Muller, J. Lowenau, BMW AG 389 Adaptive Light Control (ALC): Moving-Curve-Headbeam

K. Pasemann, Volkswagen AG 402 Trends in Automotive Lighting Development

A. Prevost, Valeo Lighting 409 Expert Lighting

R. Rattunde, LMT Lichtmefitechnik GmbH 415 The Photometric Evaluation of CUTOFF-Lines

E.-O. Rosenhahn, Darmstadt University of Technology 425 Glare at Wet Road Conditions

H.-J. Schmidt-Clausen, Darmstadt University of Technology 431 Large Scale Experiment of Contour Marking

H.-J. Schmidt-Clausen, C. Diem, Darmstadt University of 445 Technology Headlamp Performance in Traffic Situations H.-J. Schmidt-Clausen, S. Dietz, Darmstadt University of 463 Technology A Comparison of Fog Luminance Calculations J. Schug, Philips Lighting 468 H8, H9, H11: A New Generation of Headlamps Bulbs

J. Schulz, Hella - New Zealand Ltd. 472 Calculation of Diffusing Optics for LED-Rear Lamps

1. Sischka, Philips Lighting 477 Halogen Lamps with Interference Coatings for the Use in Headlamps Content page | J. Stabe, BMW AG 483 Special Aspects Concerning Motorcycle Lighting Design

7 490 Information about Working Group Photometry

B. Weigelt, HellaT«3 Hueck & Co. 493 Daytime Running Lights

Co. 500 Contour Lighting

B. Wordenweber, Hella KG Hueck & Co., 508 J. A. W. M. Alferdinck, TNO JHeadlamps undej^ear_and_Tear K. Yokoi, H. Hashimoto Japan Automobil Research Institute 516 T. Watanabe, S. Kobayashi Koito Manufacturing Co., Ltd. Effects of Load on Inclination Angle of Car Headlamps and Headlamp Glare H. Zerhau-Dreihofer, Hella KG Hueck & Co. 524 Light Intensity Simulation for Xenon Arcs

S. Masuelli, G. Manassero, Innovation Department, Magneti 529 Marelli Lighting Devision LEDs: light source evolution from mere component to system