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A refinement calculus for hybrid systems
Gu, Bin (1); Zou, Liang (2); Zou, Liang
2014
会议名称2014 19th International Conference on Engineering of Complex Computer Systems, ICECCS 2014
页码176-185
会议日期August 4, 2014 - August 7, 2014
会议地点Tianjin, China
收录类别EI
出版地Institute of Electrical and Electronics Engineers Inc.
ISBN9781479954827
部门归属(1) School of Computer Science, Northwestern Polytechnical University, Beijing, China; (2) State Key Laboratory of Computer Science, Institute of Software, Chinese Academy of Sciences, Beijing, China
摘要System-level design for hybrid systems is complex and error-prone. To ensure correctness, formal methods are usually considered, and have been successfully applied in practice. Refinement for discrete systems is well-known, while little work has been done for hybrid systems. In this paper, we first present an envelope semantics for hybrid systems, where control and physical devices are separately described. Then, we relate the semantics to hybrid CSP (a well-known compositional modelling language for hybrid systems) by a Galois connection, to show its reasonableness. Based on this, we define a set of refinement rules that refine an abstract specification to a lower-level implementation. In the end, several examples are provided to show our methodology. Moreover, in our methodology classical refinement calculus is reused, and the soundness is provided by a monotonicity law.; System-level design for hybrid systems is complex and error-prone. To ensure correctness, formal methods are usually considered, and have been successfully applied in practice. Refinement for discrete systems is well-known, while little work has been done for hybrid systems. In this paper, we first present an envelope semantics for hybrid systems, where control and physical devices are separately described. Then, we relate the semantics to hybrid CSP (a well-known compositional modelling language for hybrid systems) by a Galois connection, to show its reasonableness. Based on this, we define a set of refinement rules that refine an abstract specification to a lower-level implementation. In the end, several examples are provided to show our methodology. Moreover, in our methodology classical refinement calculus is reused, and the soundness is provided by a monotonicity law.
语种英语
内容类型会议论文
URI标识http://ir.iscas.ac.cn/handle/311060/16595
专题中国科学院软件研究所
通讯作者Zou, Liang
推荐引用方式
GB/T 7714
Gu, Bin ,Zou, Liang ,Zou, Liang. A refinement calculus for hybrid systems[C]. Institute of Electrical and Electronics Engineers Inc.,2014:176-185.
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