Safely navigating the urban jungle: Bosch brings driver assistance systems to the city

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Driver Assistance Systems from Bosch

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Driver Assistance Systems

Now that there is already a wide range of assistance solutions available for cars driving on freeways and country roads, Bosch is also successfully developing systems for the essentially greater challenges of urban traffic. Urban mobility means a high degree of complexity and therefore new dangers. It goes without saying that Bosch technology also integrates two wheelers, cyclists and pedestrians in particular. Their unpredictability often represents an increased risk – and they are at most risk in the event of an accident. Equipped with radar sensors and video cameras, these smart systems are capable of detecting other road users in complex situations, warning car drivers in time or even intervening autonomously in an emergency. Combining technology with artificial intelligence, Bosch is able to bring many of the driver assistance solutions to be adapted to the complex Indian driving conditions. With 77 GHz radar frequency being de-regularized for automotive use in India, these features will be of great assistance for avoiding accidents in urban traffic or at least significantly reducing the severity of such accidents.

The significance of active safety systems has also been recognized by the independent test organization Euro NCAP (European New Car Assessment Programme): as of 2018, the Euro NCAP also includes emergency braking on cyclists in its assessment criteria. Pedestrian emergency braking systems have been integrated since 2016. This means that new car models can only achieve the maximum score of five stars if certain standards for avoiding accidents with pedestrians and cyclists are fulfilled.

up to

43%

of accidents involving cars and cyclists could be avoided if all cars were equipped with autonomous emergency braking for cyclists (Bosch accident research).

at up to

60 km/h

automatic emergency braking can be initiated for pedestrians and cyclists.


more safety

is provided by the acoustic and optical car exit warning which warns of approaching road users when the car doors are opened.

Protection for the most vulnerable:
driver assistance systems keep their eyes open

Calculating the incalculable:
automatic emergency braking on cyclists

Automatic emergency braking prevents collisions with cyclists.

Cyclists are often moving at a fairly brisk pace. Their behavior is often unpredictable, and their thin silhouettes can be difficult to make out through dense urban traffic. Surround sensors ease this situation by detecting cyclists alongside and ahead of the vehicle, monitoring speed, distance, and direction of travel to calculate the potential risk of an accident. In the case of an imminent collision, the system automatically brings the vehicle to a stop in order to avoid or at least reduce the severity of the accident. Estimations indicate that this could eliminate or at least reduce the severity of almost half of road accidents involving cyclists and cars.

Cyclist approaching, best keep the door shut

Cyclist approaching parking cars

The car exit warning provides an optical and acoustic warning about objects approaching from behind.

Unseen cyclists when getting out of the car are a daily risk for drivers and their passengers; all you need is a cyclist coming up quickly as you open the door. Bosch’s car exit warning mitigates this risk.

By means of mid-range radar sensors mounted at the rear of the car, the system can pinpoint approaching road users such as cars, cyclists, scooters, and motorcyclists, precisely and in real time. Optical and acoustic signals warn drivers and passengers against opening the door. This way, the car exit warning eliminates the risk of an accident, reduces injuries to cyclists, and minimizes damage to vehicles.

Predictive pedestrian protection system
with built-in emergency stop

Pedestrian crossing a street

The system detects pedestrians and initiates automatic emergency braking in the case of imminent danger.

Pedestrians are the most vulnerable road users, often overlooked and therefore particularly at risk. Using video and radar sensors, the predictive pedestrian protection system detects pedestrians that suddenly step out in front of vehicles and are in danger of being hit by them. If the driver does not react to the warning, the system can initiate an automatic emergency stop at speeds of up to 60 km/h. Depending on the configuration, this emergency stop can be effected without warning the driver beforehand. As a result, the predictive pedestrian protection system helps protect vulnerable road users and helps drivers avoid or at least mitigate the severity of collisions.

Innovative technology for reliable protection

Car assistance systems for active safety, such as autonomous emergency braking for cyclists, pedestrian protection or car exit warning, are made possible by communication and optimal interaction between the respective components.

Accordingly, Bosch is consistently further developing key components, such as surround sensors and brake boosters, and offering key technologies for assistance systems and for a wide variety of applications in its capacity as a one-stop supplier.

Sensors and brake systems

Radar sensor

Radar sensors permit swift, stable and reliable measurements and are therefore eminently suitable for recording complex traffic situations. With radar technology, many objects can be tracked simultaneously, with connected systems maintaining a permanent overview of what’s going on in the vehicle’s vicinity.

As of late 2018, Bosch will be producing its fifth-generation radar sensors.

Video sensor

Autonomous emergency braking systems for vehicles, cyclists and pedestrians are based on video sensors, for example, in order to reliably predict the behavior of certain objects.

For this, Bosch combines innovative technologies for image processing with artificial intelligence methods. 2019 will see Bosch commence production of its third-generation video sensors.

Ultrasound sensor

Ultrasound sensors enable the precise measurement of distances from obstacles. They transmit brief ultrasound impulses which are then reflected by the respective obstacles. The system supports emergency braking functions at low speeds by means of presence detection of very close objects and permits speedy reactions to obstacles which suddenly appear, e.g. pedestrians.

iBooster

iBooster, the electromechanical brake booster, can swiftly and autonomously, i.e. without activation of the brake pedal, build up braking pressure to decelerate the vehicle, making it possible to dose the pressure very precisely thanks to electronic control.

This makes it particularly suitable for use in combination with autonomous emergency braking systems.

Find out more about the iBooster

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Do you have any questions about driver assistance systems for passenger cars or other vehicle classes? Bosch will be delighted to answer all of your queries – we look forward to hearing from you.