3241 配光制御ヘッドライトによる運転負担軽減効果の検討

概要

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Adaptive Front-lighting System (AFS) is designed to improve nighttime visibility by optimizing the headlight beam distribution pattern based on existing driving conditions (ex. vehicle speed), driver inputs (ex. steering wheel angle), and road configuration (winding or straight). This paper describes the structure and the public road test of the AFS prototype installed on Mitsubishi ASV. The AFS consists of some sensors, electronic control unit, moving sub-reflectors and auxiliary side bulbs. The headlight beam distribution is controlled by moving the sub-reflectors and the auxiliary side bulbs based on the steering wheel angle and vehicle speed. Brake frequency, flicker frequency and some other evaluation results show the AFS's positive effect in a series of winding road test.
2002-09-20