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Lane keeping assist (LKA) is a feature that, in addition to the lane departure warning system, automatically takes steps to ensure the vehicle stays in its lane. Some vehicles combine adaptive cruise control with lane keeping systems to provide additional safety.
Automated lane keeping systems (ALKS), also described as traffic jam chauffeurs, [1] is an autonomous driving system that doesn't require driver supervision on motorways. ALKS is an international standard set out in UN-ECE regulation 157 and amounts to Level 3 vehicle automation. [ 2 ]
Lane-keeping assist, or lane-keep assist, is a simple idea, but it's anything but simple in execution. Accordingly, there are many variations of lane-keeping systems across vehicle brands.
Lane centering keeps the vehicle centered in the lane and almost always comes with steering assist to help the vehicle take gentle turns at highway speeds. [10] Lane departure warning generates a warning when the vehicle crosses a line, while lane keeping assist helps the vehicle to avoid crossing a line, standardized in ISO 11270:2014.
Lane centering assists the driver in keeping the vehicle centered in a lane. [41] A lane-centering system may autonomously take over the steering when it determines the driver is at risk of deterring from the lane. [41] This system uses cameras to monitor lane markings to stay within a safe distance between both sides of the lane. [42]
This aids in maintaining lane position at a pre-set speed and keeping a proper following distance from the vehicle ahead. The system also includes active lane change assist with hands-off function, which executes lane changes when the driver activates the turn signal and adjusts the vehicle’s speed accordingly. [34]
Vehicle position in lane monitoring; Uses lane monitoring camera and radar sensors. These systems can assist and warn you when you unintentionally leave the road lane or when you change lane without indication, commonly due to fatigue. These features are commonly referred to as blind spot monitoring, lane keep assist or lane departure monitoring.
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