BMW 5 Series: Active Lane Keeping Assistant
The Active Lane Keeping Assistant with Side Collision Avoidance is part of the Active Driving Assistant Plus, optional equipment (OE 5AT).
By making corrective steering interventions, the system, already familiar from the G12 helps the driver to keep the vehicle in lane at speeds from approximately 43 mph (70 km/h) to approximately 130 mph (210 km/h) and to actively avoid potential side collisions. The system endeavors to orient the vehicle in its lane according to the situation and within the framework of the system limits.
The system consists of the following four subfunctions:
- Side Collision Avoidance
- Reduced Side Collision Avoidance
- Lane Departure Warning
- Blind Spot Detection
Side Collision Avoidance
The table below shows an overview of the functional characteristics of the "Side Collision Avoidance" subfunction:
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Reduced Side Collision Avoidance
The Reduced Side Collision Avoidance comes into play if it is not possible to adequately monitor the available space on the roadway or there is no available space on the roadway.
The Reduced Side Collision Avoidance is interlinked with the Active Lane Keeping Assistant and Traffic Jam Assistant functions.
The table below shows an overview of the functional characteristics of the "Reduced Side Collision Avoidance" subfunction:
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Lane Departure Warning
The table below shows an overview of the functional characteristics of the "Lane Departure Warning" subfunction:
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Blind Spot Detection
The table below shows an overview of the functional characteristics of the "Blind Spot Detection" subfunction:
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Further information can be found in the system descriptions of the respective subfunctions.
The Active Lane Keeping Assistant with Side Collision Avoidance does not relieve the driver of his overall responsibility for driving the vehicle. Due to the system limits be attentive in order to be able to actively intervene at any time. Otherwise, there is a risk of an accident.
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Evasion Aid
Often a collision with another vehicle (at the end of a traffic jam for
example) or obstacle can only
be prevented by an avoidance maneuver. Since the driver's response time plays a
decisive role in
Functional principle
An emergency avoidance maneuver takes place when a suddenly occurring
obstacle is detected in
front of the vehicle and the driver has to avoid this obstacle quickly and
without "significant" braking
System overview
Below we describe which main components or sensors are relevant to Evasion
Aid.
Object or obstacles are detected by means of the KAFAS stereo camera and
the ACC
Stop&Go front radar sensor.
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Input and display
Letters and numbers
Letters and numbers can be entered using the
Controller or the touchscreen. The keyboard's
display changes automatically.
Change between capital and
lower-case letters.
Insert blank space.
Use voice activation.
Confirm entry.
Entry comparison
When entering names and addresses,
Coasting
Concept
Under certain conditions the engine is automatically
decoupled from the transmission in the D
selector lever position. The vehicle continues
traveling with the engine idling to reduce consumption.
Selector lever position D remains engaged.
This driving condition is referred to as coasting.
