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(MODERN) HEADLIGHT SYSTEMS Final Report

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(MODERN) HEADLIGHT SYSTEMS Final Report 5 CHECKING (MODERN) HEADLIGHT SYSTEMS Final report Chris Bosch & David Bulava RDW in collaboration with TESTEK 4-2-2020 Name Intern Chris Bosch David Bulava [email protected] University Rotterdam University of Applied Slovak University of Technology in Sciences (Hogeschool Rotterdam) Bratislava Study Automotive Engineering Mechanical Engineering Supervisor Arthur van Lee Juraj Matej Piet Schäfer Company RDW TESTEK Europaweg 205 Vajnorská 1347/137, 2700 AT Zoetermeer 831 04 Bratislava Netherlands Slovakia Date 4-2-2020 Version: 1.0 Chris Bosch (RDW) Checking (Modern) Headlight Systems David Bulava (TESTEK) 1 Index 1. Introduction ..................................................................................................................................... 4 2. Management summary ................................................................................................................... 6 3. Theme .............................................................................................................................................. 7 4. Issue ................................................................................................................................................. 7 5. Main question.................................................................................................................................. 8 6. Sub question .................................................................................................................................... 8 7. Theoretical framework .................................................................................................................... 9 1. Acetylene/oil lamps ..................................................................................................................... 9 2. Electric lamps .............................................................................................................................. 9 1. Sealed beam ............................................................................................................................ 9 2. Halogen lamps ....................................................................................................................... 10 3. Projector headlamps ................................................................................................................. 11 4. Xenon (HID) ............................................................................................................................... 11 5. LED ............................................................................................................................................. 12 6. Matrix LED ................................................................................................................................. 14 7. Laser headlamps ........................................................................................................................ 15 8. Adaptive Front-lighting Systems (AFS) ...................................................................................... 16 9. Headlight aiming........................................................................................................................ 17 8. Current situation ........................................................................................................................... 18 1. The Netherlands ........................................................................................................................ 18 2. Slovakia ...................................................................................................................................... 21 3. ECE regulations .......................................................................................................................... 23 9. Delineation .................................................................................................................................... 24 10. Results ....................................................................................................................................... 25 1. What factors have an influence on the adjustment of the headlight? ..................................... 25 1. What is the influence of a deviation in the floor compared to horizontal longitudinal axis and horizontal width axis of the vehicle on the adjustments of the headlights? ......................... 25 2. What is the influence of the tire pressure on the dipped beam adjustment?...................... 29 3. What is the influence of the position of the steering wheel on the dipped beam adjustment?................................................................................................................................... 36 4. What is the influence of the position of a vehicle lift in the lowest position, in a lock, hanging in the cables? ................................................................................................................... 37 5. What is the effect of bending a vehicle lift by a vehicle that’s on it? ................................... 39 6. Does the ambient lighting of the test location influence the light image and the horizontal cut-off line produced by the (adaptive) headlight? ...................................................................... 41 Chris Bosch (RDW) Checking (Modern) Headlight Systems David Bulava (TESTEK) 2 2. What is the influence of damage (scratches, breaks or discoloration) of the windshield on sensors or cameras? .......................................................................................................................... 41 3. Is it possible to check modern lights (eg. LED and Adaptive) pursuant Directive 2014/45 /EU with analog test equipment? ............................................................................................................ 41 1. Is the result of a test on an analog test equipment reproducible on a digital test equipment? ................................................................................................................................... 42 4. Should we (in the future) check the operation of adaptive lighting in the PTI? ....................... 43 1. Are adaptive lights easy to check during the PTI? ................................................................. 44 2. Is connecting to the OBD necessary, for example, with adaptive dipped beam? ................ 44 3. What are the most common actions for checking adaptive light? ....................................... 44 4. In the future, will we need information from importers / manufacturers for checking the dipped beam? ................................................................................................................................ 44 5. Should the dipped beam be checked in the basic setting? ................................................... 45 5. When does the automatic dipped beam control of a vehicle start to work, e.g. only driving, stationary. Should we also take into account during a check that the dim lamps must first be rested after a ride? ....................................................................................................................................... 45 1. Which modern lights are currently in use and which can we expect (in the short term)? ... 45 11. Discussion .................................................................................................................................. 49 12. Conclusion ................................................................................................................................. 50 13. Recommendations..................................................................................................................... 51 14. Reverences ................................................................................................................................ 52 15. Glossary ..................................................................................................................................... 53 Sources .................................................................................................................................................. 53 Annex ..................................................................................................................................................... 59 Chris Bosch (RDW) Checking (Modern) Headlight Systems David Bulava (TESTEK) 3 1. Introduction This project started in a CITA group in Brussels. Some members of the CITA group wanted to research the modern headlamp systems (hence the name of this report). TESTEK (Slovakia) and the RDW (Netherlands) agreed to find a student and describe an internship assignment together. TESTEK and RDW are for their countries the controlling company for the PTI. Later both the RDW and TESTEK found a student and started the internship. Additionally, the RDW noticed that the current Dutch PTI requirements are from a couple decades ago and haven’t changed much since. So can these regulations still be used with modern LED and/or adaptive headlamps. In the late 19th century lights came to automobiles. Not for the driver to see but for other road users to notice the vehicle on the road. Back then candles and oil lamps were used on the automobiles. In the start of the 1900’s as the speeds on the roads increased the acetylene lamp made an entrance so that not only other drivers could see the car, the driver could actually see the road he or she was driving on. A carbide lamp illuminates the road with a
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