Adaptive Driving Beam – Static and dynamic solutions for one functionDr.Michael Kleinkes DevelopmentLighting Technology HellaKGaA Hueck &. Co Lippstadt,Germany Michael.Kleinkes@hella.com Zhiwen Yang LightingTechnology Optics HellaCooperate Center China Nanjing,China Zhiwen.Yang@hella.com Abstract— The technology of automotive lightsystems is developing rapidly. More and more functions have been developed orare under development (e.g. aCOL, glare free high beam, marking light,predictive bending light). New technologies (e.g. camera based systems, GPS,LED, Laser) allow not only very new functions, often the same function can berealized by different methods. An Example: glare free high beam can be put intopractice by a Xenon lamp and a drum, by LEDs with a drum or by using aLED-Array. The degrees of freedom are considerable increasing. The more degrees of freedom there are themore the benefit has to be evaluated in comparison of static or dynamicsolution for one function. Safety and driver acceptance have to stay in thecenter of such evaluations.
The most challenging systems which are under development areheadlamps based on LED arrays. Are they better than conventional systems? Are theyperceived as better systems by the driver? Or in other words: which propertiesdoes an LED array headlamp need that these conditions are fulfilled?
This paper tried to show the differences between static anddynamic realization of adaptive driving beam. The huge complexity of modernheadlamp requires to consider them as a complete system. Single components haveto be evaluated and adjusted. Automotive light systems can only be introducedto the market successfully if safety is really increasing and if they areaccepted by the driver and other road users.
Keywords- Adaptive Driving Beam, Static and dynamic solutions,Safety benefit, LED-Array |