2022-10-31 11:14:54 Solution F103
To improve road users' perception when start driving, many countries have introduced policies to develop electric vehicles with Acoustic Vehicle Alert Systems (AVAS) to reduce the probability of road traffic accidents.
AVAS System Working Principle
Getting the speed and gear information through the CAN bus, the AVAS is designed to emit warning sounds when the electric vehicle is in low speed and reverse gear. When the vehicle speed is lower than the set value (20km/h), the system will simulate the sound of engine acceleration and deceleration and send out a reverse warning when in reverse gear to alert pedestrians to the presence of electric vehicles.
APM32F103RCT7 AVAS Solution
· The built-in CAN bus receives commands, accurately identifies the current driving status, and sends the required audio commands in time.
· Integrated 256KB Flash with rich storage space and the built-in SPI interface can be connected to high-capacity SPI NOR Flash components on demand.
· High ADC sampling accuracy can assist in detecting automotive battery pack voltage to achieve real-time protection of the system and battery pack.
· Certified ACE-Q100, comply with automotive-grade high-reliability standards.
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