Complex uncertain interfaces

  • Authors:
  • Zdeněk Votruba;Mirko Novák

  • Affiliations:
  • Czech Technical University in Prague, Faculty of Transportation Sciences, Department of Control and Telematics, Joint Laboratory of System Reliability, Prague 1, Czech Republic;Czech Technical University in Prague, Faculty of Transportation Sciences, Department of Control and Telematics, Joint Laboratory of System Reliability, Prague 1, Czech Republic

  • Venue:
  • ACMOS'05 Proceedings of the 7th WSEAS international conference on Automatic control, modeling and simulation
  • Year:
  • 2005

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Abstract

Both Scientists and System Analytics share common experience that complex interfaces (for example "human-machine" interface within the complex hybrid system, or synapse in the human brain) susceptibly react both on the dimension of the task (i.e.: the number / type of interface parameters / markers), and the degree of uncertainty. In order to quantitatively evaluate this effect, the model of interface is presented first. Then the problem is analyzed. The results of the study indicate: • Even a low degree of uncertainty "acting" homogeneously on the all parameters of respective interface has significantly adverse effect on the interface regularity (consequently the reliability of systems processes, as well) if the number of parameters (i.e. dimension of the pertinent task) is sufficiently high. • Even a significant uncertainty in one or in a small number (typically 1 or 2) of interface parameters have limited or negligible impact on the interface regularity, if this interface is sufficiently robust. • There are three basic attempts how to increase regularity of complex interfaces: (a.) smart simplification (b.) utilizing redundancy or contextuality (c.) interface conjugation.