Extending and evaluating a pattern language for safety-critical user interfaces

  • Authors:

  • Simon Connelly;Jay Burmeister;Anthony MacDonald;Andrew Hussey

  • Affiliations:

  • The University of Queensland, Brisbane, Qld 4072, Australia;The University of Queensland, Brisbane, Qld 4072, Australia;The University of Queensland, Brisbane, Qld 4072, Australia and The University of Queensland, Brisbane, Qld 4072, Australia;Silver Software, Sweden

  • Venue:
  • SCS '01 Proceedings of the Sixth Australian workshop on Safety critical systems and software - Volume 3
  • Year:
  • 2001

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Abstract

This paper describes the extension and evaluation of an existing pattern language for safety-critical user interface development. The patterns were updated and new patterns were added by examining existing medical systems. The new patterns were found by generating problem definitions from perceived exemplary solutions. This method of pattern development and its application is described. A qualitative evaluation of the pattern language was performed by designing a safety-critical user interface for a hypothetical radiation therapy machine. Discussion of the design process focuses on the usefulness of our patterns as a design tool for safety-critical user interfaces.