Operational Domains, ODD, and System Context

Autonomous systems operate in fundamentally different physical environments across ground, marine, airborne, and space domains, and these environmental differences strongly influence system design, sensing, safety, and operational architecture. Ground systems operate in highly structured but unpredictable environments with dense obstacles, human interaction, and high-bandwidth connectivity, requiring real-time perception, fast reaction times, and robust human safety assurance. Marine systems operate in less structured but slower-moving three-dimensional environments with fewer obstacles, limited connectivity, and strong environmental disturbances such as waves, currents, and corrosion, placing greater emphasis on long-duration reliability, navigation robustness, and remote supervision. Airborne systems operate in three-dimensional, safety-critical environments governed by strict airspace control, requiring extremely high reliability, precise navigation, fault tolerance, and formal certification due to the severe consequences of failure. Space systems operate in the most extreme and isolated environment, characterized by radiation exposure, vacuum, extreme temperature variation, and long communication delays, making real-time human intervention impossible and requiring systems to be highly autonomous, fault-tolerant, and capable of operating independently for extended periods. As a result, autonomy architectures, safety requirements, sensing modalities, and verification approaches vary significantly across these domains, even though they share common underlying principles of perception, decision-making, and control.