Authors:- Sanket Joshi , Priya Kulkarni , Rahul Deshmukh
Abstract:-Safety-critical embedded systems are systems in which failure or malfunction may result in severe consequences, including loss of human life, environmental damage, or significant financial loss. Such systems are widely used in domains such as automotive electronics, aerospace, medical devices, nuclear power plants, and industrial automation. Real-Time Operating Systems (RTOS) play a crucial role in ensuring deterministic behavior, task scheduling, fault isolation, and timely response in these applications. This paper presents a comprehensive study of the role of RTOS in safety-critical embedded systems. It discusses real-time constraints, scheduling algorithms, inter-task communication, memory management, and safety standards compliance. A reference RTOS-based system architecture is proposed and evaluated through a case study of an automotive braking control system. The analysis highlights how proper RTOS selection and configuration enhance system reliability, predictability, and safety.
Keywords:RTOS, Safety-critical systems, Embedded systems, Real-time scheduling, Deterministic systems
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