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The ＾Terms and Definitions of Road Vehicle Advanced Driver Assistance Systems (ADAS)￣ released in 2020 divides the functions covered by ADAS into information assistance and control assistance.
1 Information assistance category
Information assistance ADAS mainly assists driving by providing the information needed by the driver, which can help the driver understand the surrounding situation and traffic environment, and improve driving safety and efficiency.
According to the information type and functional characteristics provided by ADAS, the information assistance category can be further divided into driving monitoring category, danger warning category, and driving convenience category.
(1) Driving monitoring category
This type of ADAS mainly monitors the driving status and surrounding environment of the vehicle in real time through various sensors and cameras, and provides the driver with real-time vehicle information and traffic conditions. For example, BSD (blind spot detection), ISLI (intelligent speed limit information), etc. belong to this category.
(2) Danger warning category
This type of ADAS senses and identifies dangerous factors around the vehicle and issues warnings to the driver in a timely manner, reminding the driver to pay attention to potential dangers. For example, DFM (driver fatigue monitoring), FCW (forward collision warning), etc. belong to this category.
(3) Driving convenience category
This type of ADAS improves driving convenience and comfort by providing the information and functions required by the driver. For example, RCA (reversing condition assist), NV (night vision), etc. belong to this category.
2 Control Assistance Category
ADAS of the control assistance category assists driving by controlling the vehicle¨s driving state, which can help the driver reduce the burden of driving. According to the specific functional characteristics and usage scenarios, the control assistance category can be further divided into emergency response category, driving convenience category, lane keeping category and intelligent lighting category.
(1) Emergency Response Category
ADAS of the emergency response category mainly provides rapid response and auxiliary decision-making for sudden or emergency situations, and takes effect quickly in dangerous situations to help drivers avoid or reduce accidents. For example, AEB (advanced/automatic emergency braking) belongs to this category.
(2) Driving Convenience Category
ADAS of the driving convenience category assists driving by providing the functions and operational convenience required by the driver. For example, ACC (adaptive cruise control), IPA (intelligent parking assist), TJA (traffic jam assist), etc., belong to this category.
(3) Lane Keeping Category
ADAS of the lane keeping category assists the driver to keep the vehicle in the correct lane by identifying and tracking lane lines. Help the driver avoid lane deviation or keep the vehicle in the correct lane, improving driving safety and stability. For example, LKA (lane keeping assist), LCC (lane centering control), etc.
(4) Intelligent lighting category
Intelligent lighting ADAS assists the driver in driving under various lighting conditions by automatically adjusting the brightness and illumination range of the lights. For example, AFL (adaptive front light), ADB (adaptive driving beam), etc., belong to the intelligent lighting category.