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Bosch helps cars keep an eye on their passengers

The interior monitoring system detects driver drowsiness and distraction, and provides driving assistance

Bosch helps cars keep an eye on their passengers
Bosch's interior monitoring camera can tell who is about to drive and adjust the rear-view mirror, seating position, steering-wheel height, and infotainment system to preset personal preferences.

Microsleep, distraction, a seatbelt left undone – many things that happen inside a vehicle can have far-reaching consequences.

To avert critical driving situations and possibly also accidents, it is planned that cars will in the future use their sensors not simply to monitor the road but also the driver and other passengers. For this purpose, Bosch has developed a new interior monitoring system featuring cameras and artificial intelligence (AI). “If the car knows what its driver and occupants are doing, driving will become safer and more convenient,” says Harald Kroeger, a member of the Robert Bosch GmbH board of management.

The Bosch system may go into production in 2022. In that year, the EU will make safety technology that for example warns drivers of drowsiness and distraction a standard feature in new vehicles. The EU Commission expects that, by 2038, their new safety requirements for vehicles will save more than 25,000 lives and help prevent at least 140,000 severe injuries.

A smart camera constantly monitors the driver

At 50 kph, a vehicle will cover 42 meters completely unsupervised if the driver dozes off or looks at their smartphone for just three seconds. Many people underestimate the associated risk. International studies state that nearly one in ten accidents are caused by distraction or drowsiness. This has prompted Bosch to develop an interior monitoring system that detects and alerts to this danger and provides driving assistance.

A camera integrated in the steering wheel detects when drivers’ eyelids are getting heavy, when they are distracted, and when they turn their head toward their passenger or the rear seats. Thanks to AI, the system draws the right conclusions from this information: it warns inattentive drivers, recommends a break if they are getting tired, or even reduces the speed of the vehicles – depending on the automaker’s wishes, and also on legal requirements.

When the car keeps its camera eyes open

But the new Bosch system keeps its eye not only on the driver, but also on all the other passengers, whether next to or behind the driver. For this purpose, a camera mounted above or below the rear-view mirror monitors the entire passenger compartment. It notices whether children on the rear seats have carelessly unfastened their seat belts, and warns the driver.

If someone sitting in the back is leaning too far forward, at an angle, or with their feet up on the seat next to them, the airbags and belt tensioner will not be able to protect them properly in an accident. The interior monitoring camera can tell what position they are sitting in and set the airbags and belt tensioner to ensure the best possible protection. The interior monitoring system also prevents the passenger-seat airbag from being deployed if a baby’s carrycot is on the seat

On the subject of children, it is a sad fact that parked vehicles can be a death trap for them. In the United States in 2018, they claimed the lives of more than 50 children either because they had been left in the car for a short while or had clambered in unnoticed. The new Bosch system can recognizes this danger, and warn parents in a flash by sending a message to their smartphone.

A camera for more convenience

The new Bosch system also means more driving convenience. The interior monitoring camera can tell who is about to drive and adjust the rear-view mirror, seating position, steering-wheel height, and infotainment system to preset personal preferences. And the camera can also be used for eye- and hand-gesture control of the infotainment system.

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