What is ADAS :
ADAS (Advanced Driver Assistance Systems) Advanced Driver Assistance Systems (ADAS) is one of the intelligent vehicle technologies that have been actively developed by various automobile manufacturers and electronic enterprises in recent years.Simple to understand, is to use the installed in the car all kinds of sensors, at any time during the process of the car to the surrounding environment, collect data, static and dynamic identification, detection and tracking of the object, and connecting with the navigation map data, system operation and analysis, which allows the rider to perceive the possibility of danger in advance, effectively increase the car driving comfort and safety.Therefore, it is also regarded as a prerequisite to realize automatic driving.
ADAS has more than 20 international functional definitions
The function definition of ADAS driving assistance system in the international scope includes more than 20 kinds of driving assistance systems, including adaptive cruise ACC,
LDWS
Collision Avoidance
Pre-collision system,
Pedestrian protection system
Automatic parking system
blind spot detection.
Due to the wide range of functions involved in the ADAS advanced driving assistance system, various automobile manufacturers and electronic enterprises often focus on the development of several subsectors.However, no matter what domain the function is, it usually contains the following specific modules:
(1) information collection, different system by different types of vehicle sensors, millimeter wave radar, ultrasonic, infrared radar, laser radar and CCD/CMOS image sensor and the wheel speed sensor to collect the working state of the vehicle and its parameters, such as changes in circumstances, and will continue to change the mechanical movement into electrical parameters (voltage, resistance and current), for example, lane departure warning system using CMOS image sensor, night vision system, using infrared sensor, adaptive cruise control usually USES.
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