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19-Soft-A4 Real-Time Systems: May 2016

Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)

  1. Question 1 Five-Level Elevator — Finite-State Model and Timing Analysis
  2. Question 2 Scheduling Concepts
  3. Question 3 RTOS Features, General-Purpose OS Suitability, Commercial RTOS Examples, Hard vs. Soft Real-Time, and RT vs. Non-RT Systems
  4. Question 4 Automotive Collision-Avoidance System — State Diagram and Real-Time Requirements
  5. Question 5 FCFS vs. EDF Scheduling of Four Single-Instance Tasks
  6. Question 6 Networked (Distributed) Control Loop — Protocol, Delay Effects and Stability Margin

Start with Question 1 →

Paper: National Exams, May 2016, 04-Soft-A4 Real-time Systems, 3 hours, closed book. Any five of the six questions constitute a complete paper (all questions answered below as a full study resource). Reference texts: Liu, Real-Time Systems; Buttazzo, Hard Real-Time Computing Systems; Kopetz, Real-Time Systems: Design Principles for Distributed Embedded Applications; Ogata, Modern Control Engineering.