Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/73381
Title: Dynamical scheduling of digital control systems
Authors: Lin, Q.
Chen, P.C.Y. 
Neow, P.A. 
Keywords: Allocating
Cutoff frequency
Dynamic scheduling
Performance index
Sampling frequency
Task current importance
Issue Date: 2003
Source: Lin, Q.,Chen, P.C.Y.,Neow, P.A. (2003). Dynamical scheduling of digital control systems. Proceedings of the IEEE International Conference on Systems, Man and Cybernetics 5 : 4098-4103. ScholarBank@NUS Repository.
Abstract: In this paper, a dynamic scheduling algorithm is developed to optimize the performance of digital control systems by allocating CPU time efficiently. The periods of the control tasks are regarded as variables with dependency on the task current importance and scheduling constraints. The task current importance can be measured by the current cutoff frequency of the control signal. It indicates the task current requirement on sampling frequency. CPU time is allocated under the consideration of task current requirement and the performance index change-rate to optimize the overall system performance. The simulation results verify that this scheduling algorithm can improve the overall system performance under limited computing resource.
Source Title: Proceedings of the IEEE International Conference on Systems, Man and Cybernetics
URI: http://scholarbank.nus.edu.sg/handle/10635/73381
ISSN: 08843627
Appears in Collections:Staff Publications

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