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)
Real-time dynamic voltage scaling for low-power embedded operating systems
SOSP '01 Proceedings of the eighteenth ACM symposium on Operating systems principles
Energy efficient real-time scheduling
Proceedings of the 2001 IEEE/ACM international conference on Computer-aided design
Improving Quality-of-Control Using Flexible Timing Constraints: Metric and Scheduling Issues
RTSS '02 Proceedings of the 23rd IEEE Real-Time Systems Symposium
Power-Aware Scheduling for Periodic Real-Time Tasks
IEEE Transactions on Computers
Optimal State Feedback Based Resource Allocation for Resource-Constrained Control Tasks
RTSS '04 Proceedings of the 25th IEEE International Real-Time Systems Symposium
Dynamic Voltage Scaling for Digital Control System Implementation
Real-Time Systems
Feedback Scheduling of Real-Time Control Tasks in Power-Aware Embedded Systems
ICESS '05 Proceedings of the Second International Conference on Embedded Software and Systems
An efficient approach to energy saving in microcontrollers
ACSAC'06 Proceedings of the 11th Asia-Pacific conference on Advances in Computer Systems Architecture
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Real-Time Dynamic Voltage Scaling (RT-DVS) has been one of the most important techniques for energy savings in battery-powered embedded systems. However, pure RT-DVS approaches rarely take into account the actual performance requirements of the target applications. With the primary goal of further reducing energy consumption while satisfying Quality of Control (QoC) requirements in real-time control systems, an enhanced dynamic voltage scaling (EDVS) scheme is suggested. Following the direct feedback scheduling methodology, EDVS exploits a QoC-aware adaptive resource allocation mechanism. It enables flexible timing constraints on control tasks, which facilitates further energy saving over pure RT-DVS. Simulation experiments argue that EDVS is highly cost-effective and can save much more energy over the optimal pure RT-DVS scheme, while providing comparable QoC.