Connected Content: Continued Coverage
In the ever-evolving world of automotive technology, a significant shift is taking place towards a software-defined future. This transformation is laying the foundation for the evolution in transportation, with one of the key areas of focus being the Electrical and Electronic Systems (EEA) within a vehicle.
The EEA is undergoing a significant transformation to accommodate increasing complexity and integration of electronic components and systems. One of the architectural approaches gaining traction is the zonal E/E architecture. This design offers benefits such as reduced costs and weight, faster software development, and reduced latency.
Automotive security is a key challenge when implementing a zonal E/E architecture. However, the benefits outweigh the risks, as this approach reduces wiring requirements, improves communication, and data transfer.
The zonal architecture necessitates sensor deployment throughout the vehicle, using cameras, radars, LiDARs, ultrasonic sensors, and other advanced technologies. For instance, modern AI-based low-level sensor fusion surround-view systems use a 5-camera 5-radar (5V5R) sensor architecture.
The LeddarVision product family, developed by LeddarTech, is designed to enable Level 2/Level 2+ Advanced Driver Assistance Systems (ADAS) and a 5-star safety rating for new car assessment programs (NCAP) and general safety regulations (GSR). LeddarVision software provides a comprehensive 3D environment model, delivering superior perception performance from any sensor set.
ADAS and the E/E architecture are interconnected, with ADAS necessitating efficient communication protocols for real-time coordination among different components. Integrated communication protocols in a zonal E/E architecture ensure efficient data transmission, aiding in the decision-making and control functions required by ADAS.
Figure 1 illustrates the interrelationships between ADAS, perception, and the E/E architecture. Figure 2 shows various E/E architectures and their designs.
The EEA must also support high bandwidth communication networks for rapid sharing of critical information across vehicle systems. Furthermore, it must accommodate the integration and processing of data from diverse sensors, requiring robust data fusion techniques, perception output delivery, and actuator control.
In a distributed E/E architecture, electronic control units (ECUs) are distributed throughout the vehicle, each responsible for specific functions or subsystems. This design approach enhances the overall efficiency and reliability of the vehicle's systems.
Lastly, the EEA must support over-the-air updates to enhance the mobility experience through ADAS improvements and additions. This feature allows for the continuous improvement and evolution of the vehicle's systems, keeping pace with the rapid advancements in automotive technology.
In conclusion, the shift towards a software-defined future in the automotive industry is driving the evolution of Electrical and Electronic Systems within vehicles. The adoption of zonal E/E architectures, such as LeddarVision, is set to play a crucial role in this transformation, enhancing vehicle safety, efficiency, and performance.
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