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Innovative Applications and Market Analysis of MEMS Sensors in Automobiles
Inputtime：2023-08-01 10:38:00
In the past two years, the Internet of Vehicles, autonomous driving, unmanned driving, and automotive intelligence have become hot topics in the automotive industry. In the future, automobiles will definitely develop towards safety, reliability, and comfort. The development behind all of this is inseparable from the role of sensors, and MEMS technology sensors are gradually evolving into the main components of automotive sensors. The MEMS sensor industry is an emerging industry that has been commercialized in China for less than 10 years and has only been industrialized for over 20 years globally. With autonomous driving and ubiquitous automation, it will inevitably bring the next wave of MEMS.
On the afternoon of June 29th, at the "MSIG Special Topic: Automotive MEMS Sensor Forum" held at SEMICON China 2020, suppliers from around the world in the automotive field conducted in-depth discussions online on the development and trends of new technologies for automotive MEMS sensors, as well as how they will empower automotive innovation in the future.
SEMI | MSIG Executive Director Tim Brosnihan delivered the opening speech, first mentioning MEMS and Sensors Industry Group (MSIG), which is a strategic partner of SEMI. Affected by the epidemic, although the global sales of auto parts have a greater impact, the COVID-19 has also promoted investment in innovation, such as medical, rapid detection, infrared, ultrasonic detection and other sensors have made great progress. Tim Brosnihan also introduced the guests who attended the speech, namely Benedetto VIGNA, President of ST Simulation, MEMS and Sensor Group, Zhao Yanhui, Director of ADI Asia Pacific Micro Electro Mechanical Product Line, Christian Bachmann, Project Leader of IMEC ULP Wireless System, and Zhang Wanpeng, Strategic Development Leader of Soitec China.
Benedetto VIGNA, President of ST Simulation, MEMS, and Sensors Group, shared his keynote speech on "MEMS and Sensors in Automotive Applications". He mainly introduced three aspects, including the overall trend of the automotive market, opportunities for in vehicle sensors, and the three main waves of sensors. With the increasing proportion of electric vehicles, the automation level of cars will become higher and higher with the help of 5G, vehicle networking, and driving assistance. The number of onboard sensors will increase significantly compared to traditional cars, and the cost will range from a few hundred to several thousand US dollars. Benedetto VIGNA analyzed the three major waves of sensor development: firstly, the promotion of safety related laws and regulations; Secondly, sensors are beginning to be used in non safety areas, including car networking, in car navigation, etc; Thirdly, sensors are additionally used in autonomous driving. ST has multiple in vehicle MEMS sensors that can cover the second and third waves.
Zhao Yanhui, Director of the Micro Electro Mechanical Product Line at ADI Asia Pacific, gave a speech on the topic of "MEMS Technology is Indispensable in Autonomous Driving". He first introduced the development history of ADI MEMS, and then made some explanations on MEMS technology in autonomous driving. He stated that MEMS technology is indispensable in autonomous driving, and high-performance MEMS IMUs used for stable navigation platforms can be said to be the last link in autonomous driving. IMUs have unique features such as providing continuous operation, high-quality short-term accuracy, and update rates. ADI has different high-performance IMU products for various fields such as consumer, industrial, and autonomous driving. In the field of autonomous driving, ADI's IMU's high-quality anti vibration performance significantly reduces overall errors. Zhao Yanhui also explained the role of MEMS accelerometers in autonomous driving.
Christian Bachmann, the project leader of IMEC ULP wireless system, gave a speech on the theme of "New Sensors for Improving Automotive Taste, Comfort, and Safety", pointing out that the current challenges in improving automotive taste mainly include high-precision applications and location deception in practical environments. IMEC can effectively address these challenges through algorithms. He introduced IMEC's wireless innovation in high-precision and secure wireless ranging (Bluetooth/UWB) and high-resolution 140GHz CMOS radar. The company's next-generation ultra wideband transceiver circuit has I0 times less power consumption and machine learning error correction function, with a ranging accuracy of less than 10cm in challenging environments. In addition, IMEC's 140GHz radar can have an ultra fine range resolution of 1.5cm, and the fully integrated CMOS transceiver front-end enables the chip to be intelligent and the chip antenna allows for ultra compact form factors. All these new technologies will empower the next generation of use cases, such as intelligent secure access, cabin monitoring, touchless transactions, and micro positioning.
Zhang Wanpeng, the head of strategic development at Soitec China, mentioned in his keynote speech on "How to empower automotive innovation through optimizing substrates?" that the key to automotive innovation is no longer mechanical but electronic system innovation. Internet connectivity makes all automotive services possible, and the improvement of autonomous driving requires more semiconductor content. At the same time, the demand for electronic components in various hybrid power systems is also greatly different. Therefore, automotive innovation faces many challenges, including how to improve vehicle energy efficiency, how to ensure stable communication inside and outside the car, more effective sensors and camera systems, how to reduce the size of components to reduce the weight of the entire vehicle, lower the cost of electronic systems, and improve the computing power of the system, etc.
Soitec's complete optimized substrate series can serve a wide range of automotive innovation in response to these challenges. Zhang Wanpeng provided a detailed introduction to the application of the company's Smart Cut technology and RF-SOI technology in networking. The company's FD-SOI technology is widely used in automotive applications, and Power SOI has also achieved customer success in automotive applications. Soitec's optimized substrate is continuously empowering future automotive innovation.
Finally, Tim Brosnihan, Executive Director of SEMI | MSIG, mentioned that on September 2, 2020, an analysis of MEMS market trends and technical exchanges will be held at the COEX Convention Center in Seoul, South Korea. At the same time, a two-day MEMS technology exchange conference will be held in San Diego, California from October 12-14, 2020.
MEMS technology is developing into a huge industry, just like the tremendous changes brought to humanity by the microelectronics and computer industries in the past 20 years. MEMS is also nurturing a profound technological revolution and having a new round of impact on the automotive field. MSIG is achieving collaboration and innovation through information and resource sharing, connecting the MEMS and sensor ecosystems to help MSIG's member companies further grow and prosper. (Shilian Electronics)
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