Rising sensor solutions in the cabin for safety and comfort


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With the increasing technological advancement in the automotive industry, it is now possible to develop innovative solutions that can enhance the safety and comfort of the vehicle. Car interior systems – such as airbags or seat belts – have been revolutionized over the past decades, leading to significant improvements in occupant safety. However, there is still room for improvement in terms of passenger comfort and safety. Automotive interior systems support driver or passenger safety and play an important role in providing comfort, an important factor for customer satisfaction and loyalty, especially for luxury cars. In-cabin sensing solutions that improve safety and comfort Several interior systems are already available to support safety and comfort for drivers and passengers alike. Some examples include: Automated Parking Assistance Automatic parallel/perpendicular parking without driver intervention can be considered a revolutionary in-cabin sensing solution. The auxiliary contains hardware circuits that are installed on printed circuit boards and connected to actuators and sensors. Power Parking facilitates parallel/vertical parking maneuverability. Its implementation does not require much effort, which makes it especially suitable for use in city driving situations where available parking spaces are very limited. Parallel/Vertical Automatic Parking is beneficial not only for drivers but also for vehicle manufacturers, as their vehicles do not require traditional parking spaces and can be used in all kinds of areas. By contrast, traditionally, only premium class cars can offer this feature. Automated driving Automated driving is a long-term vision that aims to increase road safety by removing the driver from the control loop. Automated driving is one of the most challenging in-cabin sensing developments because it has to take into account different situations and must be powerful enough to work properly in any situation. This in-cabin technology is still a distant vision, and many technological/societal hurdles must be overcome before automated driving becomes a reality. However, significant progress has already been made: automated driving has already become a reality in many experimental cars, demonstrating the potential of this technology. Park Assist and Autopilot are two examples of new sensor solutions within the cabin that can improve traffic safety. These systems can increase the driver’s situational awareness and thus allow him to focus more on overtaking maneuvers, a potentially dangerous situation in busy traffic. Automated Park Assist and Autopilot is also useful for road safety as it does not require the driver to steer, allowing vehicles to be equipped with lane departure warning or forward collision warning systems. In-vehicle temperature control Automatic heating and ventilation control can be used to improve driver and passenger comfort. These systems are commonly used in other application areas such as air conditioning. Automatic heating and ventilation control offers significant advantages as it maintains a comfortable interior temperature without manual adjustment by the driver/driver passenger. Automation is useful from a safety perspective, since cabin cooling or heating can be done even when driving without direct human interaction. Automatic control of heating and ventilation supports driver comfort by providing a constant and comfortable temperature in all seasons, where this comfort is also particularly attractive to discerning motorists. Time of Flight (ToF) technology is a new technology used to identify objects from inside a vehicle. ToF sensors are used to measure the time it takes for a pulse or electromagnetic signal to leave the transmitter and strike its body. It reliably detects people and other things even in the presence of sunlight, fog, snow and glare from headlights and other light sources. ToF technology uses a transmitter that transmits an electromagnetic signal to send impulses toward objects. It measures time using two different methods: ultrasound and laser. The technology has the potential to improve driver and passenger safety. It can detect people and objects in all lighting conditions, even when other vehicles are blocking them on the road, and it can be installed behind the rearview mirror, on the side mirrors or on the windshield. Resistance Sensing is a powerful and reliable technology for detecting hands on the steering wheel and driver grip quality. In addition, the technology detects and indicates the location of the steering wheel and the level of driver fatigue. The vehicle resistance sensor design uses an advanced circuit topology called “source function” control. The voltage supply controller draws most of its current from the batteries rather than from a separate power station. This architecture offers several performance advantages over the traditional “reverse booster” control units used in earlier electric vehicles, such as lower losses, quieter operation, and most importantly, safety. Vehicle Camera Bus Technology The Vehicle Camera Bus Technology is an integrated vehicle and infrastructure technology designed to optimize the flow of traffic. It consists of a network of small cameras connected to a digital video recorder (DVR) installed at the back of each bus. DVRs capture images from cameras and then display them on screens inside buses for use by drivers. DVRs are also connected to antennas on top of each bus, which transmit and receive data from similarly equipped infrastructure systems – in this case, traffic lights that can identify oncoming buses at an intersection and adapt to the green in time for the bus to pass through. Data is sent back and forth between junction control systems over fiber-optic cables. The cameras, which are triggered by motion before you begin shooting, collect images from inside and outside the vehicle during operation. These include images of passengers ascending and descending from vehicle and traffic intersections, buildings and other structures along the streets on which the buses run. The images collected by the cameras are analyzed by a computer system that identifies and tracks objects of interest, such as passengers or vehicles. The system then compares these images with snapshots from previous trips to identify who boarded the bus at a previous stop. How DMS helps reduce road accidents In past decades, car accident deaths in Europe have fallen at a slower rate than expected from the progress made by the European Union on highway safety. There is reason to believe that this poor performance is caused in part by increased driver distraction and poor driving. While some anti-distraction measures have been implemented, such as enforcement measures, enforcement does not solve driver distraction or obstruction issues. That is why Driver Monitoring Systems (DMS) were developed as a new countermeasure to driver distraction and are now also equipped with the ability to detect driver weakness. DMS is an anti-driver distraction measure that helps reduce driver distraction, which continues to contribute to many accidents despite driver distraction being recognized as the greatest concern by the vast majority of drivers and road safety experts. Another benefit of the Document Management System (DMS) is driver disability detection. Disabled drivers pose a significant threat, even though they make up only a small percentage of the driver population. The possibility of a disabled driver causing accidents is very high. Reports indicate that some systems are more capable than others at detecting driver distraction or obstruction. A number of suppliers have a Destination Management System (DMS) that would be valuable additions to vehicles, as the DMS is also expected to detect other driver behavior issues such as driver fatigue, driver aggressiveness, and driver inattention. Conclusion The automotive industry is adopting the latest in-cabin sensing solutions to enhance the safety and comfort of drivers and passengers. However, more innovation is needed to improve user experience and customized comfort. Regulators around the world are on the right track to enhance user safety and comfort. Auto fill assistance, automated driving, temperature control at care, time of flight, impedance sensing and car camera bus technology are among the key sensing solutions within the cabin that improve vehicle safety and comfort. .


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