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Comprehensive combing ADAS processor chip
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Time：2017-05-23 15:07:50
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ADAS (Advanced Auxiliary Driving System) refers to the use of a variety of sensors installed in the car, the first time to collect the car's environmental data, static, dynamic object identification, detection and tracking technical processing , Which allows the driver in the fastest time to detect the possible danger. Usually includes navigation and real-time traffic system TMC, electronic police system ISA, adaptive cruise ACC, lane offset alarm system LDWS, lane keeping system, collision avoidance or pre-collision system, night vision system, adaptive lighting control, pedestrian protection system, Automatic parking system, traffic sign recognition, blind spot detection, driver fatigue detection, downhill control system and electric vehicle alarm system.
At present, most of the innovation of the car comes from the innovation of automotive electronics, and from the automotive electronic system, is being distributed by the decentralized architecture (many ECU control), and gradually to the centralized and even the central control system (super processor) evolution , This trend is also the same law to implement ADAS. Changes in this trend include reducing ECU, reducing power consumption, improving processor and memory utilization, reducing software development and Silver Wing
From the chip design, now ADAS processor chip, the main challenges in the following areas:
1) car standard level, the best over ISO26262, to ASIL-B or even ASIL-D level
2) High computational complexity and high bandwidth, especially multi-sensor converged chips, require higher chip frequencies, as well as heterogeneous designs to achieve fast data processing speed while delivering higher throughput requirements.
3) With the application of artificial intelligence in ADAS, the design of the chip will consider increasing the depth of hardware learning design, how to make trade-offs in hardware and software, as well as artificial intelligence computing model and the original hardware and software architecture and the whole system design to do Match, the current point of view is still early exploration stage.
