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Formal Verification of Control System Software$
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Pierre-Loïc Garoche

Print publication date: 2019

Print ISBN-13: 9780691181301

Published to Princeton Scholarship Online: January 2020

DOI: 10.23943/princeton/9780691181301.001.0001

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Critical Embedded Software

Critical Embedded Software

Control Software Development and V&V

Chapter:
(p.3) Chapter One Critical Embedded Software
Source:
Formal Verification of Control System Software
Author(s):

Pierre-Loïc Garoche

Publisher:
Princeton University Press
DOI:10.23943/princeton/9780691181301.003.0001

This chapter looks at the current state of physical systems controlled by an onboard computer. Typically this covers transportation systems such as cars, aircraft, railway systems, space systems, or even medical devices, all of them either for the expected harmfulness for people, or for the huge cost associated with their failure. The chapter shows how the increase of computer use in those systems has led to huge benefits, but also an exponential growth in complexity. Furthermore, the drawback of this massive introduction of computers to control systems is the lack of predictability for both computer and software. This chapter shows how the aerospace industry, and more generally critical embedded systems industries, is now facing a huge increase in the software size in their systems. This in turn creates a greater system complexity increase because of safety or performance objectives. Moreover, this complexity leads to the need to integrate even more advanced algorithms to sustain autonomy and energy efficiency.

Keywords:   cyber-physical systems, aerospace industry, critical embedded systems, controller software, safety, critical embedded systems, onboard computer, dynamical systems

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