Chapter 15. Software System Safety
Nancy G. Leveson (Professor)
Aeronautics and Astronautics/Engineering Systems Massachusetts Institute of Technology Boston, Massachusetts
Kathryn Anne Weiss, Ph.D.
NASA Jet Propulsion Laboratory, California Institute of Technology Flight Software and Data Systems Section Pasadena, California

Contents

15.1 Introduction 475
15.2 The Software Safety Problem 476
15.3 Current Practice 486
15.4 Best Practice 489
15.5 Summary 503

15.1. Introduction

Software is quickly becoming a major part of and a major concern in space applications. Whereas software always has played a role in the design and control of spacecraft, the functionality being assigned to software is quickly increasing; and conservative design, which minimizes the ...

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