正式的方法

P. Garoche
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引用次数: 0

摘要

本章简要概述了一些形式化方法及其在关键嵌入式系统开发中的应用。虽然测试是许多工程师评估他们开发的程序是否满足其需求的一种常见做法,但正式的方法鲜为人知,可能需要对非专业人员进行一些介绍。因此,本章作为一个合理的介绍控制专家工程师。它首先定义程序的语义:它们的基本属性和意义。然后,本章概述了不同的形式化验证,并解释了它们如何在程序工件上进行推理。最后一部分论述了这些分析相对于实际语义的合理性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Formal Methods
This chapter gives a brief overview of some formal methods and their use in the context of critical embedded systems development. While testing is a common practice for a lot of engineers as a way to evaluate whether the program they developed fulfills its needs, formal methods are less known and may require a little introduction to the non-expert. This chapter thus serves as a reasonable introduction to the control expert engineer. It first defines the semantics of programs: their basic properties and their meaning. Then, the chapter outlines different formal verifications and explains how they reason on the program artifact. A last part addresses the soundness of the analyses with respect to the actual semantics.
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