FRESCORFramework for Real-time Embedded Systems based on COntRacts

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14/10/26

What Is a Real-Time Embedded System? Hard, Firm and Soft Deadlines Explained

A clear introduction to real-time embedded systems: what makes timing part of correctness, how hard, firm and soft…

05/10/26

Contract-Based Scheduling Explained: Making Embedded Software Composable

How scheduling contracts work: minimum budgets and periods, online negotiation and admission control, spare-capacity distribution and server-based enforcement,…

26/09/26

Rate Monotonic vs Earliest Deadline First: A Practical Comparison

A practical comparison of Rate Monotonic and EDF scheduling covering the Liu and Layland bound, EDF optimality, exact…

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Applications 10 min read

Timing in Flight Control: How UAV Autopilots Meet Their Deadlines

How drone autopilots meet hard deadlines: cascaded rate and attitude loops, why latency costs phase margin, PX4's NuttX, uORB and work queues, ArduPilot's main-loop…