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Agile Model-Based Systems Engineering Cookbook Second Edition - Second Edition

You're reading from  Agile Model-Based Systems Engineering Cookbook Second Edition - Second Edition

Product type Book
Published in Dec 2022
Publisher Packt
ISBN-13 9781803235820
Pages 600 pages
Edition 2nd Edition
Languages
Concepts
Author (1):
Dr. Bruce Powel Douglass Dr. Bruce Powel Douglass
Profile icon Dr. Bruce Powel Douglass
LinkedIn
Dr. Bruce Powel Douglass, Ph.D. has deep and broad expertise as a result of over 40 years' experience designing safety-critical real-time systems in a variety of hard real-time environments. He is one of the authors of both the UML and SysML standards, and author to over 6000 book pages from a number of technical books including The Harmony aMBSE Deskbook, Agile Systems Engineering, Real-Time UML, Real-Time UML Workshop for Embedded Systems, Real-Time Design Patterns, Doing Hard Time, Real-Time Agility, and Design Patterns for Embedded Systems in C. Many presentations, papers, models, designs, and more can be found on his website. He is currently the Senior Principal Agile Systems Engineer at the MITRE Corporation.
See other products by Dr. Bruce Powel Douglass

Table of Contents (9) Chapters

Preface 1. Basics of Agile Systems Modeling 2. System Specification 3. Developing System Architectures 4. Handoff to Downstream Engineering 5. Demonstration of Meeting Needs: Verification and Validation 6. Other Books You May Enjoy
7. Index
Appendix A: The Pegasus Bike Trainer

Creating the Logical Data Schema

A big part of the specification of systems is specifying the inputs and outputs of the system as well as what information a system must retain and manage. The input and outputs are data or flows and may be direct flows or may be carried via service requests or responses. Early in the system engineering process, the information captured about these elements is logical. The definition of a logical schema is provided below, along with a set of related definitions.

Definitions

Data Schema: a data or type model of a specific problem domain that includes blocks, value properties, value types, dimensions, units, their relations, and other relevant aspects collectively known as metadata. This model includes a type model consisting of a set of value types, units, and dimensions, and a usage model showing the blocks and value properties that use the type model.

Logical Schema: a data schema expressed independently from its ultimate implementation...

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Authors (1)

Profile icon Dr. Bruce Powel Douglass
LinkedIn
Dr. Bruce Powel Douglass, Ph.D. has deep and broad expertise as a result of over 40 years' experience designing safety-critical real-time systems in a variety of hard real-time environments. He is one of the authors of both the UML and SysML standards, and author to over 6000 book pages from a number of technical books including The Harmony aMBSE Deskbook, Agile Systems Engineering, Real-Time UML, Real-Time UML Workshop for Embedded Systems, Real-Time Design Patterns, Doing Hard Time, Real-Time Agility, and Design Patterns for Embedded Systems in C. Many presentations, papers, models, designs, and more can be found on his website. He is currently the Senior Principal Agile Systems Engineer at the MITRE Corporation.
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See other products by Dr. Bruce Powel Douglass

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