MEMS sensors have gained a stable market in forced safety systems

With the promotion of the three major driving forces of the market, technology and policy, the sensor industry in our country ushers in a new opportunity for development. Government, regulatory agencies and consumers are increasingly demanding on the safety of driver assistance systems. Central to meeting these high security requirements is sensors, electronics and software.

As early as 2019, the U.S. National Highway Traffic Safety Administration, a unit of the U.S. Department of Transportation, will incorporate Advanced Driver Assistance Systems (ADAS) into the new car safety rating system. In contrast, European safety regulators are scheduled to begin in 2018. Such car safety evaluation system will promote the rapid development of automotive safety technology.

This is not just about driving your car safely or easily. The government and consumer targets also include fewer road accidents, lower insurance surcharges and better car fuel economy. The combination of mechanical systems and software and electronics has also benefited many automotive component suppliers, especially MEMS sensors, which can be used in a much more limited space.

Market research firm IHS Markit expects the market size to be $ 2.8 billion in 2016 and a CAGR of 6.9% for automotive applications in the MEMS market between 2015 and 2022, rising to 3.2 billion U.S. dollars in 2022.

Sensor technology continues to deepen automotive safety driving applications

Over the past few years, MEMS sensors have gained a stable market in mandatory safety systems, such as electronic stability control and tire pressure monitoring systems, which have gained popularity among new vehicles during 2015. Benefit MEMS suppliers include gyroscopes, pressure sensors, accelerometers and front and side airbag sensors. In addition, MEMS devices for automotive engine applications are also steadily growing mainly from the growing use of engine management and exhaust gas treatment. According to the company's consulting message, MEMS shipments in these areas will reach 1.34 billion by 2019, up from 1.08 billion in 2013.

MEMS Applications in ADAS

Just take a look at the annual MEMS and Sensors Executive Congress, you can get a glimpse of MEMS applications in the field of ADAS. For example, at the 2015 conference, Jeff Owens, Delphi's executive vice president and chief technology officer, shared a 3,800-mile stretch of Delphi-equipped ADAS systems across the Atlantic to the Pacific Ocean Autopilot experience. The journey lasted nine days and crossed the 15 states of the United States using 20 active safety sensors plus GPS, navigation, vision systems and driver status monitoring systems. Throughout the process, 99% of the journey was fully automated and produced 3 T worth of valuable data.

The future of the car will include a variety of MEMS devices, bringing opportunities and challenges to the MEMS industry and the supply chain.

At the 2016 MEMS and Sensor Summit, Jari Honkanen spoke about MicroVision's automotive technology that uses HUD to project important information onto the windshield of a car. With this technology, the driver can see the important information without having to leave the road. Honkanen also demonstrated how MicroVision's laser beam scanning technology, near-infrared lasers and infrared detectors are applied to MEMS-based scanning LIDAR systems.

The application of MEMS technology enables the scanning LIDAR system to be dynamically changed depending on the application or driving situation. It has a high level of vertical and horizontal resolution, compared to the previous LIDAR system, it can capture low-speed high-speed or low-resolution high-resolution data. Next, this technical concept can also be applied to ADAS applications such as blind spot monitoring and parking assistance systems.

The ADAS head-up display system's application of MEMS technology helps drivers reduce or eliminate distractions and improve safety. It can also be used to display important information and real-time alerts.

When asked what role MEMS will play in future cars, Jérémie Bouchaud, director and senior chief analyst, MEMS and sensor business unit at IHS Markit, predicts it will be "green, safe and interesting." In addition, the car will be electrically powered and rely heavily on sensors for automatic cruise, he added.

"As the components change with the new electrical architecture, the electrified cars will depend on the sensor accordingly, and the more advanced HMIs will have the support of virtual reality and noise reduction with head-up display support, which will also benefit MEMS manufacturers. Bouchaud further explained.

future

Demand for safety and security in automotive applications will not decline, and continued pursuit of these applications will continue to drive the demand for automotive MEMS sensors. The biggest beneficiaries of automotive MEMS sensor applications will be electronic components, component manufacturers and, of course, end users.

The automotive MEMS sensor market includes not only ADAS, but also electronic stability control, electronic control units, heating and HVAC systems, safety and security, car navigation, camera stabilization systems, in-car microphones, tire pressure monitoring, automotive engine management systems , Fuel injection system, seat monitoring system, peripheral pressure sensors and oil pressure sensing.

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