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Proceedings Paper

Using EDF-IAE to integrate scheduling and control for networked control systems
Author(s): Yan Shen; Bing Guo; Xunbo Li
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Paper Abstract

Networked control systems are one type of distributed real-time control systems where sensors, actuator and controllers are interconnected by communication networks. The insertion of the communication network makes the analysis and design of a networked control system complex. So the performance of the control loops not only depends on the design of the control algorithms, but also on the scheduling of the shared network resource. A co-design method based on the integrated Earliest Deadline First (EDF) scheduling algorithm and the Integral of the Absolute Error (IAE) is proposed in order that the communication medium is more efficiently used and control performance is improved. The presented method can adjust the sampling period, handle three types of message and guarantees real-time transmission of periodic and aperiodic message, and non-real time message. The simulation results show that the proposed co-design method is available and improve the system resources efficiency.

Paper Details

Date Published: 9 January 2008
PDF: 6 pages
Proc. SPIE 6794, ICMIT 2007: Mechatronics, MEMS, and Smart Materials, 67945D (9 January 2008); doi: 10.1117/12.784177
Show Author Affiliations
Yan Shen, Univ. of Electronic Science and Technology of China (China)
Bing Guo, Sichuan Univ. (China)
Xunbo Li, Univ. of Electronic Science and Technology of China (China)

Published in SPIE Proceedings Vol. 6794:
ICMIT 2007: Mechatronics, MEMS, and Smart Materials

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