A scheduling method for network-based control systems

This paper presents a scheduling method for network-based control systems with three types of data (periodic data, sporadic data, and messages). As a basic parameter for the scheduling method for network-based control systems, a maximum allowable delay bound is used,which guarantees stability of net...

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Bibliographic Details
Published in:IEEE transactions on control systems technology 2002-05, Vol.10 (3), p.318-330
Main Authors: Park, Hong Seong, Kim, Yong Ho, Kim, Don-Sung, Kwon, Wook Hyun
Format: Article
Language:English
Subjects:
Actuators
Applied sciences
Bandwidth
Control systems
Delay
Delay systems
Exact sciences and technology
Feedback control
Messages
Networks
Niobium compounds
Organization and planning of networks (techniques and equipments)
Real time systems
Sampling
Sampling methods
Scheduling
Sensor phenomena and characterization
Stability
Systems, networks and services of telecommunications
Telecommunications
Telecommunications and information theory
Utilization
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Summary:This paper presents a scheduling method for network-based control systems with three types of data (periodic data, sporadic data, and messages). As a basic parameter for the scheduling method for network-based control systems, a maximum allowable delay bound is used,which guarantees stability of network-based control systems and is derived from characteristics of the given plant using the presented theorems. The presented scheduling method for network-based control systems can adjust the sampling period as small as possible, allocate the bandwidth of the network for three types of data, and exchange the transmission orders of data for sensors and actuators. In addition, the presented scheduling method guarantees real-time transmission of sporadic and periodic data, and minimum utilization for nonreal-time messages. The proposed method is shown to be useful by examples.
ISSN:1063-6536
1558-0865
DOI:10.1109/87.998012