With the continuous improvement of technology, consumers pay more and more attention to the safety of the car itself when purchasing a car. From the initial demand for the basic function of the car has gradually turned to higher levels of safety, such as automatic parking, blind spots Detection, lane change assistance, driver fatigue warning, etc., and these technologies fill the gaps in the driver's young age and lack of driving experience.
Indeed, the use of ADAS technology can predict potential hazards at an earlier stage. Laws and regulations or new vehicle evaluation standards in various regions of the world are also more focused on the loading of predictive safety equipment for vehicles. Visual sensing technology and radar sensing technology are considered It is the core function of ADAS active security. In order to let more people become familiar with and understand the radar and visual driver assistance system, E-Friends Network August Automotive Electronics Special Issue invites Mr. Xu Zhibin, Marketing Manager of Automotive Electronics Greater China, to discuss issues related to the ADAS system.
Mr. Xu Zhibin, Marketing Manager of Automotive Electronics Greater China, said that in the active safety of automotive electronics, ADI's research and development focus is on advanced driver assistance systems (ADAS radar / vision).
As we all know, the visual system has special advantages in judging the characteristics of objects or the identification of traffic signs, or the application of scenes such as the adjustment of the headlights, and the long-distance precision of the radar and the fear of bad weather and light environment are visual ADAS. irreplacable. Mr. Xu Zhibin said that the future visual radar ADAS technology is definitely going to organic integration and integration, learning from each other to improve the accuracy of judgment, and possibly further integration with other ADAS technologies.
Two assisted driving solutions accelerate active and passive safety integration
Mr. Xu Zhibin pointed out that in the field of active safety, ADI will provide two main solutions with years of successful experience and close cooperation with the first-tier suppliers of automakers and auto parts.
First, a vision-based intelligent assisted driving solution that uses chips such as DSPs, video converters, and video amplifiers. For example, the Blackfin® BF60x series DSP can run 5 forward vision functions at the same time: lane departure warning, automatic headlights, traffic identification, pedestrian detection, forward collision warning.
Second, the radar ADAS program. It is based on the ADAS scheme 24GHz/77GHz radar ADAS solution. ADI has introduced a 24 GHz radar solution that includes the entire signal chain of MMIC/AFE/PLL/DSP, with the advantages of high performance, low power consumption and low system cost.
Both options have their own strengths and strengths, but they also need to be further integrated to complement each other. Mr. Xu Zhibin explained that the radar can play a greater role in the case of poor visual conditions. In the case of curved tunnels or obstacles, vision can reduce false positives caused by radar wave reflections.
Mr. Xu Zhibin said that the integration of active and passive safety has always been an area of ​​exploration for various car manufacturers, component suppliers and automotive chip manufacturers. As the world's leading supplier of collision-induced MEMs chips, ADI can also use ADAS signals to give early warning to passive safety devices. For example, the ADAS signal can be transmitted to the airbag system, and the threshold of the airbag explosion can be lowered in the event of a collision, so that the driver and the passenger can be protected as much as possible in the early stage of the collision, and the ADAS signal can be used. Transmission to the seat belt system, pre-tensioning of the seat belt before the collision.
In the security field, Mr. Xu Zhibin also revealed that ADI has delivered more than 500 million MEMS sensors to date, and has nearly 20 years of experience in collision sensor design and related knowledge accumulation and technology. The new generation of ADXL185, ADXL189, ADXL188, ADXL288 for airbag acceleration sensors and the ADXRS800 for ESC and Rollover/Roll stability integrate a wide range of system functions such as self-test, signal bandwidth setting, threshold triggering, and Excellent resistance to vibration and so on.
The market prospects are far more blue than the challenges
In view of the current automotive electronics market, Mr. Xu Zhibin said that the opportunity is far greater than the challenge. There are three reasons:
1. After the successful deployment and installation of visual ADAS, most Chinese car manufacturers naturally load the radar ADAS to achieve higher reliability systems and advanced functions such as forward collision avoidance and adaptive cruise. This is a great opportunity for major vendors in the supply chain.
2. The current challenges are mainly from the algorithm and software components, plus the more diverse and complex road conditions in the country. However, ADI has been actively and effectively cultivating and developing third parties to help domestic component suppliers develop products faster. Through continuous efforts over the past few years, experienced local third parties have been provided on visual and radar ADAS to provide comprehensive and effective technical support.
3. There are not many vendors offering visual and radar chip solutions. There are fewer vendors with predictive security/active security/passive security experience, and the number of local ecological environments is limited. ADI has been recognized by many car manufacturers and component suppliers for its highly accurate and accurate chipset and the ecological environment it has cultivated.
Deepen the Chinese automotive electronics market based on the entire industry chain
In the past few years, due to the right strategy and excellent products, ADI Automotive Electronics has developed rapidly in the world and in China, and the annual growth rate of revenue has reached a double-digit percentage. Mr. Xu Zhibin said that in the future, the cooperation between OEMs and automotive electronics solution providers will be closer, and the level and dimension of cooperation will gradually increase. At the same time, ADI vigorously promoted the localization of localization, introduced advanced technology to China, and trained third-party software such as competent software to support the development of local customers. The automotive electronics team of ADI in China has also grown correspondingly with the growth of business. We have reason to believe that advanced products and professional teams can continuously and effectively serve the Chinese market and customers, and promote the rapid development of China's automotive electronics.
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