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Systematic Validation of a Relational Control Program for the Bay Area Rapid Transit System

  • F. B. Bastani
  • V. Reddy
  • P. Srigiriraju
  • I.-L. Yen
Part of the The Kluwer International Series in Engineering and Computer Science book series (SECS, volume 577)

Abstract

The failure of safety-critical systems, such as aircraft control systems, railway control systems, and nuclear power plant control systems, can cause catastrophic losses of life and property. Hence, it is imperative to assure the reliability and safety of these systems to a very high degree of confidence.

It is infeasible to perform this type of ultrahigh reliability analysis by treating the entire system as one unit. This paper develops an approach that combines relational programs with iterative enhancement. It allows a complex system to be divided into a series of increments such that each increment is decomposed into subsystems that can be independently assessed. An increment is related to the previous increment via transformations or clearly delineated enhancements that can be assessed independently. The subsystems are then automatically composed together to obtain the system.

The approach guarantees that the reliability and safety of the system can be inferred from the corresponding properties of the individual subsystems. It is illustrated using a case study drawn from the Bay Area Rapid Transit system project.

Keywords

Speed Limit Flat Terrain Relational Program Smoothness Requirement Acceleration Control 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 2001

Authors and Affiliations

  • F. B. Bastani
    • 1
  • V. Reddy
    • 1
  • P. Srigiriraju
    • 1
  • I.-L. Yen
    • 1
  1. 1.Department of Computer ScienceUniversity of Texas at DallasUSA

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