Appendix D. Tools

A number of tools are available to help you analyze and design complex systems. This appendix describes some of these tools and covers the following topics:

  • Fault Tree Analysis

  • Reliability Block Diagram Analysis

  • Failure Modes and Effects Analysis

  • Event Tree Analysis

Most of these tools are simple enough that they do not require specialized software; simple spreadsheets will do. Many other tools exist; however, they are beyond the scope of this book For more references and information, you can search the Internet for reliability engineering, high-assurance systems engineering, and the tools mentioned here.

You can classify the analysis and design tools described in this appendix as tools for doing top-down or bottom-up design. In ...

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