This chapter presents solutions to the exercises posed in Chapter 6, focusing on the three important aspects of dependability – safety, reliability, and security. This includes solutions for both the Roadrunner Traffic Light Control System and the Coyote Unmanned Aerial Vehicle.
KeywordsDependability; safety; reliability; security; fault; error; risk; hazard; severity; safety architecture; hazard analysis; fault tree analysis (FTA); failure mode and effects analysis (FMEA); solution
13.1. Answer 6.1: Safety Architecture
For the Roadrunner Traffic Light Control System, the exercise involves doing the following (taken from Problem 6.1):
• Take the Roadrunner subsystem architecture previously completed ...