ISO/PAS 21448 (SOTIF) in the Development of ADAS and Autonomous Vehicles
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Advanced Driver Assistance Systems and Safety of the Intended Functionality
Advanced Driver Assistance Systems (ADAS) refer to a set of technologies integrated into vehicles, moving the automotive industry toward self-driving technology and fully autonomous vehicles. These systems use sensors, cameras, and algorithms to assist drivers in various aspects of driving, such as collision avoidance, lane departure warning, adaptive cruise control, and parking assistance. ADAS can provide real-time alerts, automatic braking, and steering interventions to prevent or mitigate accidents. By analyzing the vehicle's surroundings and monitoring driver behavior, ADAS aims to reduce human errors and enhance overall road safety.
ISO/PAS 21448:2019 (SOTIF or “Safety of the Intended Functionality”) is the first universal standard and automotive safety concept that focuses on ensuring the safe operation of a system or component, even in situations where it is functioning as intended but could potentially lead to hazardous situations. SOTIF addresses the risks associated with system malfunctions, design limitations, and external factors that may impact the safe operation of a vehicle. It aims to identify and mitigate potential hazards that may arise from the intended functionality of a system, enhancing overall safety and minimizing the likelihood of accidents or injuries.