An Overview of ADAS System Sensors in The Automotive Electronics Sector

ADAS systems are auxiliary devices designed to help drivers better control the vehicles, providing safer driving conditions or a more comfortable user experience. The perception of objects in the environment around the vehicles is an important function of the ADAS system. The automobile can use this function to warn impending dangers and alert the driver. The core of this technology is the sensor which has the ability to measure speed and distance. The most commonly used sensors include radar, lidar and camera. This paper focuses on three kinds of sensors: millimeter wave radar, laser radar and monocular vision camera, and explains their working principles on speed and distance measurement. By comparing with each other, the differences, strengths and weaknesses of the three sensors will be analyzed. Finally, their applications and prospects in automobiles are expounded to picture future research.