The Research and Design of the Adaptive Automotive Headlamps Based LED System

Xu Sen Zhao; Shuo Bai

doi:10.4028/www.scientific.net/AMM.742.753

Paper Titles

Multi-Tag RFID Identification and Anti-Collision Algorithm
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Leakage Power Reduction in 32-bit Digital Comparator Using Modified Power Gating Technique
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Study on the Measures to Prevent Hump Section Midway Switch
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The Design Optimization of Si-Based Isotope Microbattery
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The Research and Design of the Adaptive Automotive Headlamps Based LED System
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The Theoretical Analysis and Optimization of the Fuel Injection Drive Circuit for Diesel Engine
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The Dielectric Resonator Antenna with Good Electrical Properties and Special Shape for Camouflage
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Research on some Key Mechanical Properties of Silicon Nitride Thin Films Deposited by PECVD
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The Research and Design of the Adaptive Automotive Headlamps Based LED System

Abstract:

A new control scheme with self-adaption is put forward in this paper. The digital control and the analog circuit are combined. A light intensity sensor can be implemented with a photoelectric triode. This sensor makes the self-adaptation control of LED possible. As a result, the light of LED can be adjusted automatically with a PWM chopper according to the ambient brightness. The whole system’s power supply is from a Boost converter which has a high efficiency. In addition, This combination improves the hommization of the system and solves the problems existing incurrent headlamps, unsafe factors are also reduced. The validity of design is verified by experimental results.