Fatigue, workload and adaptive driver systems

P.A. Hancock, W.B. Verwey

Research output: Contribution to journalArticleAcademic

117 Citations (Scopus)
2 Downloads (Pure)


This paper is directed to the further understanding of the problems of fatigue and workload and their role in diminishing driving capability. We present a specific strategy designed to defend against the adverse effects of fatigue and workload extremes through the use of adaptive driver systems. To begin, the work presents a brief critique of Muscio's constraints on developing a test of fatigue. In criticizing these constraints, we point to the commonalities between all energetic reflections of human performance and use advances in stress theory to explain the problems of and resolution to the question of fatigue. We link fatigue and chronic workload and use this coadunation as a basis for the operation of adaptive driver systems which are specifically designed to combat driving impairment. A specific program is then explained in detail and illustrations are given as to how an extension of previous efforts can address the problem of the drowsy and chronically fatigued driver. Future recommendations are articulated.
Original languageEnglish
Pages (from-to)495-506
JournalAccident analysis & prevention
Issue number4
Publication statusPublished - 1997
Externally publishedYes


  • Fatigue
  • Workload
  • Adaptive systems


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