NDLI: Applying formal methods and object-oriented analysis to existing flight software

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Applying formal methods and object-oriented analysis to existing flight software

Content Provider	NASA Technical Reports Server (NTRS)
Author	Cheng, Betty H. C. Auernheimer, Brent
Copyright Year	1993
Description	Correctness is paramount for safety-critical software control systems. Critical software failures in medical radiation treatment, communications, and defense are familiar to the public. The significant quantity of software malfunctions regularly reported to the software engineering community, the laws concerning liability, and a recent NRC Aeronautics and Space Engineering Board report additionally motivate the use of error-reducing and defect detection software development techniques. The benefits of formal methods in requirements driven software development ('forward engineering') is well documented. One advantage of rigorously engineering software is that formal notations are precise, verifiable, and facilitate automated processing. This paper describes the application of formal methods to reverse engineering, where formal specifications are developed for a portion of the shuttle on-orbit digital autopilot (DAP). Three objectives of the project were to: demonstrate the use of formal methods on a shuttle application, facilitate the incorporation and validation of new requirements for the system, and verify the safety-critical properties to be exhibited by the software.
File Size	1042578
Page Count	23
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19940031988
Archival Resource Key	ark:/13960/t28964471
Language	English
Publisher Date	1993-11-01
Access Restriction	Open
Subject Keyword	Computer Programming And Software Reverse Engineering Computer Systems Performance Automatic Pilots Applications Programs Computers Computerized Simulation Software Reliability Object-oriented Programming Flight Control Formalism Software Engineering Flight Simulation Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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