An ASTRAL-Based Support Environment for Formal Software Development of Realtime Systems
基于 ASTRAL 的实时系统正式软件开发支持环境
基本信息
- 批准号:9204249
- 负责人:
- 金额:--
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:1992
- 资助国家:美国
- 起止时间:1992-07-01 至 1997-06-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
This award addresses the need for improving system reliability through better software development methods and tools, and specifically, through applying formal methods to the development of realtime systems. The solution sought is a formal framework for the specification and analysis of realtime systems. This framework is based on the ASTRAL formal specification language and includes the ASTRAL language for writing requirements and design specifications of realtime systems, a formal proof theory for proving properties about ASTRAL specifications, and a support environment for the construction and analysis of the specifications. The tools that make up the support environment are a syntax-directed editor, an ASTRAL to TRIO translator, an ASTRAL specification processor, and a mechanical theorem prover. The TRIO-based model checkers, developed at the Politecnico di Milano, are being integrated into the support environment. The main theoretical issues to be investigated deal with the composability of ASTRAL specifications. The research is developing a proof theory that prescribes how the proofs of the individual state machine specifications can be combined to produce a proof of the entire system. Another composability issue to be investigated is the composition of two or more ASTRAL system specifications (i.e., a global specification and its associated collection of state machine specifications) to derive the specification for the composite system. ASTRAL is being used to specify complex realtime systems taken from a variety of application areas to evaluate its effectiveness and utility.
该奖项旨在通过更好的软件开发方法和工具来提高系统可靠性,特别是通过将正式方法应用于实时系统的开发。所寻求的解决方案是一个正式的框架规范和分析的实时系统。这个框架是基于ASTRAL形式规范语言,包括ASTRAL语言编写的要求和设计规范的实时系统,一个正式的证明理论证明属性ASTRAL规范,和支持环境的建设和分析的规格。构成支持环境的工具是一个语法指导的编辑器,一个ASTRAL到TRIO的翻译器,一个ASTRAL规范处理器和一个机械定理证明器。米兰理工大学开发的基于TRIO的模型检查器正在纳入支持环境。要研究的主要理论问题涉及ASTRAL规格的可组合性。该研究正在开发一种证明理论,该理论规定了如何将各个状态机规范的证明组合起来,以生成整个系统的证明。另一个要研究的可组合性问题是两个或多个ASTRAL系统规范的组合(即,全局规范及其相关联的状态机规范集合)以导出复合系统的规范。ASTRAL被用来指定复杂的实时系统,从各种应用领域,以评估其有效性和实用性。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Richard Kemmerer其他文献
Richard Kemmerer的其他文献
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{{ truncateString('Richard Kemmerer', 18)}}的其他基金
Research Initiation: a Specification Language For Reliable Software
研究启动:可靠软件的规范语言
- 批准号:
8106688 - 财政年份:1981
- 资助金额:
-- - 项目类别:
Standard Grant
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