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Agile Model-Based Systems Engineering Cookbook Second Edition

You're reading from   Agile Model-Based Systems Engineering Cookbook Second Edition Improve system development by applying proven recipes for effective agile systems engineering

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Product type Paperback
Published in Dec 2022
Publisher Packt
ISBN-13 9781803235820
Length 600 pages
Edition 2nd Edition
Concepts
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Author (1):
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Dr. Bruce Powel Douglass Dr. Bruce Powel Douglass
Author Profile Icon Dr. Bruce Powel Douglass
Dr. Bruce Powel Douglass
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Toc

Definitions

Before we get into the recipes, let’s agree on common terms.

Requirement

A stakeholder requirement is a statement of what a stakeholder needs. A system requirement is a statement of what the system must do to satisfy a stakeholder’s need. We will focus on system requirements in this chapter. Normally, requirements are written in an active voice using the shall keyword to indicate a normative requirement, as in

The system shall move the robot arm to comply with the user directive.

Actor

An actor is an element outside the scope of the system we are specifying that has interactions with the system that we care about. Actors may be human users, but they can also be other systems, software applications, or environments.

Use case

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