Conceptual design of a human error tolerant interface for complex engineering systems
Automatica (Journal of IFAC)
STATEMATE: A Working Environment for the Development of Complex Reactive Systems
IEEE Transactions on Software Engineering
The UAN: a user-oriented representation for direct manipulation interface designs
ACM Transactions on Information Systems (TOIS)
Modeling the dependability of CAUTRA, a subset of the French air traffic control system
FTCS '96 Proceedings of the The Twenty-Sixth Annual International Symposium on Fault-Tolerant Computing (FTCS '96)
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In man-machine systems, operator errors represent an important source of system failures. Therefore, the human dimension must be taken into account in the development of these systems. The methods of prevention usually used, that consist in eliminating as much as possible the occurrence of operator error, have proved to be insufficient. This paper describes a complementary approach which consists of tolerating the occurrence of operator error, while avoiding its undesirable consequences. We specifically focus on a method of operator error detection by a software manmachine interface that constitutes an important part of the implementation of operator error tolerance. This method is based on the recognition and the verification of plans executed by the operator during his interactions with the technical system. The main phases of operator error detection are examined. The proposed method of operator error detection is then applied to an air traffic control system, called CAUTRA.