Self-organization of reconfigurable protocol stack for networked control systems |
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Authors: | Chun-Jie Zhou Hui Chen Yuan-Qing Qin Yu-Feng Shi Guang-Can Yu |
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Affiliation: | Key Laboratory of Ministry of Education for Image Processing and Intelligent Control, Department of Control Science and Engineering, Huazhong University Science and Technology, Wuhan 430074, PRC |
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Abstract: | In networked control systems (NCS), the control performance depends on not only the control algorithm but also the communication
protocol stack. The performance degradation introduced by the heterogeneous and dynamic communication environment has intensified
the need for the reconfigurable protocol stack. In this paper, a novel architecture for the reconfigurable protocol stack
is proposed, which is a unified specification of the protocol components and service interfaces supporting both static and
dynamic reconfiguration for existing industrial communication standards. Within the architecture, a triple-level self-organization
structure is designed to manage the dynamic reconfiguration procedure based on information exchanges inside and outside the
protocol stack. Especially, the protocol stack can be self-adaptive to various environment and system requirements through
the reconfiguration of working mode, routing and scheduling table. Finally, the study on the protocol of dynamic address management
is conducted for the system of controller area network (CAN). The results show the efficiency of our self-organizing architecture
for the implementation of a reconfigurable protocol stack. |
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Keywords: | Networked control system (NCS) communication network self-organization protocol stack reconfiguration |
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