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Driver assistance systems can save lives. In the case of long driving, the driver can be reminded to rest by an audible warning or a coffee cup icon displayed in the dashboard. According to Bosch 's study of the major new vehicle types registered for the new registration in Germany in 2013, nearly a quarter (6.8 million) of the 2.95 million newly registered vehicles are equipped with a driver fatigue detection system that can Tired driving and may cause a warning before the accident. This makes driver fatigue detection the most equipped driver assistance function in a new car.
The importance of driver assistance systems for this "hidden passenger" is constantly increasing. Gerhard Steiger, President of Bosch's Undercarriage Control Systems Division, said: “The R&D of driver assistance systems is an important step in eliminating traffic accidents and achieving the vision of 'zero accidents'.†For this reason, the European Union’s New Car Collision Test (NCAP) has forecasted The emergency braking system and lane keeping assist system were included in the new scoring standards, which in turn improved the rate of allocation of the two systems. And this trend has also affected the key component of the driver assistance system - sensor production. Gerhard Steiger said: "Bosch expects to sell more than 2 million radar and video sensors in 2014, more than twice as much as last year." The following is the most frequently used driver assistance system for new German cars, according to the highest allocation ratio:
23% of new cars equipped with driver fatigue detection system
Short-term drowsiness, lack of concentration, and fatigue during driving can easily lead to traffic accidents. Now, these signs can be detected in advance through driver fatigue detection. When the driver is distracted by fatigue, the accuracy of the steering will be reduced and the frequency of fine-tuning the steering wheel will increase. Bosch's driver fatigue detection system continuously analyzes the driver's steering behavior, using steering angle sensors or electric steering to identify typical fatigue patterns. The system can also record any small burst of steering movements. By combining more parameters (such as accumulated driving hours or driving time information), the system can analyze the degree of fatigue recognition, and then send an auditory or visual signal to inform the driver to rest and avoid falling asleep. Of all new cars registered in Germany in 2013, 23% were equipped with a fatigue detection system.
20% new car equipped with intelligent headlight control system
20% new car equipped with intelligent headlight control system
The purpose of the vehicle equipped with intelligent headlight control system is to achieve better visibility. When driving at night or in the tunnel, this assist system can automatically switch on or off the dipped headlights as required. If the smart headlight control system does not find the front vehicle or the opposite vehicle, it will automatically switch the high beam (if the vehicle is not in a construction-intensive area). Moreover, the intelligent headlight control system can also constantly adjust the headlights according to the direction of the road or repeatedly switch between low beam and high beam. Therefore, the system can ensure optimal lighting effects in this way while avoiding glare to other road users. Of the newly registered vehicles in Germany in 2013, 20% were equipped with a smart headlight control system.
11% new car equipped with automatic emergency braking system
20% new car equipped with intelligent headlight control system
Rear-end accidents are one of the most serious road traffic accidents, especially when it comes to pedestrians or cyclists. The automatic emergency braking system can avoid such accidents or reduce the harm caused by the accident. Once the system finds obstacles in the road ahead, the auxiliary function will pre-brake the emergency brake or automatically emergency brake when the driver cannot respond. This type of predictive pedestrian protection function has been widely recognized, and since 2016, it will become a necessary condition for the European Union's new car crash test (NCAP) five-star performance. If all cars in Germany are equipped with an automatic emergency braking system, up to 72% of rear-end crashes involving personal injuries can be avoided. In 2013, 11% of German newly registered vehicles were equipped with this system.
10% new car equipped with lane assistance system
20% new car equipped with intelligent headlight control system
Of the newly registered vehicles in Germany in 2013, 10% were equipped with a lane assistance system. The lane assistance function consists of three systems. The lane departure warning system prevents accidents by warning the driver. For example, when the driver unintentionally deviates from the lane, the driver can be alerted by the steering wheel vibration. The lane keeping support system reverses the steering in a gentle and smooth manner when the car is too close to the edge of the lane, further avoiding accidents. The lane change assist system monitors the side of the car and the area behind it. The warning light on the outside rearview mirror warns the driver when there is a car approaching quickly or appears in the blind spot. According to data provided by the German Deep Accident Study (GIDAS), the lane keeping support system can prevent up to 28% of accidents caused by accidental deviation from the lane.
4% new car equipped with road sign recognition system
Road Sign Recognition System
Of the newly registered vehicles in Germany in 2013, 4% was equipped with a road sign recognition system. This feature makes it easier for the driver to walk through the "Road Sign Jungle," whether it is a speed limit zone or a forbidden zone. Video cameras can read traffic signs and display relevant information in the dashboard. In addition to systems dedicated to on-board configuration, Bosch has also developed a free road sign recognition solution for smartphone users, myDriveAssit. The app recognizes road signs using the smartphone's built-in camera, available on the Apple App Store and Google Play.
4% new car equipped with adaptive cruise control system or stop-type adaptive cruise control system
Adaptive Cruise Control System
The adaptive cruise control system (ACC) is used in conjunction with a radar sensor to maintain a preset safety distance from the vehicle ahead even in crowded traffic, making it easier to drive. Through automatic acceleration and braking, the system can adjust the speed of the vehicle according to traffic flow while ensuring smooth running and fuel economy. Stop-type adaptive cruise control can reduce the speed or stop the car completely in a traffic jam. If equipped with an automatic gearbox, the system will restart when the vehicle is restarted after a brief stop. In the end, the driver can be freed from tedious driving and stay awake longer. Of the newly registered vehicles in Germany in 2013, 4% were equipped with an adaptive cruise control system or a walk-off adaptive cruise control system. By providing more cost-competitive sensors, such as mid-range radar sensors, Bosch continues to increase market penetration and reduce the price of related system solutions to meet the broader needs of technology including small or compact models.
As one of the largest suppliers in the automotive industry, Bosch offers a full range of driver assistance systems. The company's anti-lock braking system (ABS) and electronic stability program (ESP) have laid a solid foundation for continuous reduction of traffic accidents. In addition, the electronic stability program is also the basic technology for developing autonomous driving. The car continues to use sensors to learn how to "observe" and perceive the environment. Over the years, Bosch has continued to provide the necessary radar and video sensors. In addition, a powerful computer can also think like a good driver, ensuring that the driver assistance system reacts quickly.
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