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controller and architecture co-design of wireless cyber-physical systems

JOURNAL OF SYSTEMS architecture 2019年 94卷 42-59页

作者： Liu, Jing Wu, Xuegen Peking Univ Comp Sci Beijing Peoples R China Peking Univ Software Beijing Peoples R China

Recently, more and more factories begin to employ wireless mesh networks for process control. These wireless Cyber-Physical Systems (WCPSs) need to meet performance requirements. However, the control algorithm and system are usually designed with an isolated design flow, which leads to higher integration, testing and debugging costs and poor resource utilization. To bridge the gap, we propose a controller and architecture co-design framework based on architecture analysis and design language (AADL). Firstly, we show how to build control and architecture models of WCPSs. Then methods that translates control and architecture models to performance models are proposed. With these models, we can analyze the non-function properties of the system before implementation. Finally, Matlab/Simulink and OSATE are integrated and several plugins are developed to support the realization of this framework. The synthesis of above contributions is a largely automated co-design and analysis process of WCPSs. comparing with other co-design frameworks, our framework provides better capability, usability, and extensibility. A case study shows that our co-design framework achieves better control performance (reducing the pulp level variations to 42.3% of the former controller).

关键词： Wireless cyber-physical systems controller and architecture co-design Modeling and analysis architecture analysis and design language

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