An extendible approach for analyzing fixed priority hard real-time tasks
Real-Time Systems
Computer-controlled systems (3rd ed.)
Computer-controlled systems (3rd ed.)
Scheduling Algorithms for Multiprogramming in a Hard-Real-Time Environment
Journal of the ACM (JACM)
Sensitivity Analysis of Real-Time Task Sets
ASIAN '97 Proceedings of the Third Asian Computing Science Conference on Advances in Computing Science
Exact Best-Case Response Time Analysis of Fixed Priority Scheduled Tasks
ECRTS '02 Proceedings of the 14th Euromicro Conference on Real-Time Systems
An Iterative Method of Task Temporal Parameter Adjustment in Hard Real-Time Systems
ICECCS '96 Proceedings of the 2nd IEEE International Conference on Engineering of Complex Computer Systems
Convex Optimization
Robust Priority Assignment for Fixed Priority Real-Time Systems
RTSS '07 Proceedings of the 28th IEEE International Real-Time Systems Symposium
Sensitivity analysis of complex embedded real-time systems
Real-Time Systems
Sensitivity analysis for fixed-priority real-time systems
Real-Time Systems
Scheduling of time critical processes
AFIPS '72 (Spring) Proceedings of the May 16-18, 1972, spring joint computer conference
A Response-Time Bound in Fixed-Priority Scheduling with Arbitrary Deadlines
IEEE Transactions on Computers
Simple stability criteria for systems with time-varying delays
Automatica (Journal of IFAC)
Designing High-Quality Embedded Control Systems with Guaranteed Stability
RTSS '12 Proceedings of the 2012 IEEE 33rd Real-Time Systems Symposium
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Many embedded systems comprise several controllers sharing available resources. It is well known that such resource sharing leads to complex timing behavior that can jeopardize stability of control applications, if it is not properly taken into account in the design process, e.g., mapping and scheduling. As opposed to hard real-time systems where meeting the deadline is a critical requirement, control applications do not enforce hard deadlines. Therefore, the traditional real-time analysis approaches are not readily applicable to control applications. Rather, in the context of control applications, stability is often the main requirement to be guaranteed, and can be expressed as the amount of delay and jitter a control application can tolerate. The nominal delay and response-time jitter can be regarded as the two main factors which relate the real-time aspects of a system to control performance and stability. Therefore, it is important to analyze the impact of variations in scheduling parameters, i.e., period and priority, on the nominal delay and response-time jitter and, ultimately, on stability. Based on such an analysis, we address, in this paper, priority assignment and sensitivity analysis problems for control applications considering stability as the main requirement.