Adaptive cruise control (ACC)

This term is part of the following categories: Safety, Technology and Vehicle system.

 

Version: 3.0, Release date: October 2020

Definition: System that attempts to maintain the vehicle at a driver selected target speed following distance, using sensors and automation to regulate vehicle speed.

NOTE 1: The purpose is to keep a safe distance relative to other slower moving vehicles ahead before reverting to the set speed when the lane clears.

NOTE 2: Some early adaptive cruise control systems, especially those vehicles with manual transmission, are not capable of bringing the vehicle to a complete stop and require the human driver to intervene to do so. Systems that are capable of controlling the vehicle to a stop have a variety of additional names such as ‘Stop & Go’.

 

 

Previous versions:

Version: 2.0, Release date: June 2020

Definition: System that attempts to maintain the vehicle at a driver selected target speed following distance, using sensors and automation to regulate vehicle speed.

NOTE 1: The purpose is to keep a safe distance relative to other slower moving vehicles ahead before reverting to the set speed when the lane clears.

NOTE 2: Some early adaptive cruise control systems, especially those vehicles with manual transmission, are not capable of bringing the vehicle to a complete stop and require the human driver to intervene to do so. Systems that are capable of controlling the vehicle to a stop have a variety of additional names such as ‘Stop & Go’.

 

 

Version: 1.0, Release date: January 2020

Definition: System that attempts to maintain the vehicle at a driver selected set speed and uses sensors and automation to regulate vehicle speed.

NOTE 1: The purpose is to keep a safe distance relative to other slower moving vehicles ahead before reverting to the set speed when the lane clears.

NOTE 2: Some early adaptive cruise control systems, especially those vehicles with manual transmission, are not capable of bringing the vehicle to a complete stop and require the human driver to intervene to do so. Systems that are capable of controlling the vehicle to a stop have a variety of additional names such as ‘Stop & Go’ and ‘Traffic Jam Assist’.