A THEORETICAL MODEL FOR ENHANCING TRANSPORTATION SAFETY

A MEASURE OF PERFORMANCE CAPABILITY OF THE TRANSPORTATION SAFETY SYSTEM CONSISTING OF THE MAN, MACHINE, AND THE EXTERNAL OPERATING ENVIRONMENT IS PROPOSED. SPECIAL CONSIDERATION IS GIVEN TO THE HUMAN'S UNIQUE CONTRIBUTIONS TO THE RELIABILITY OF THE SYSTEM. THE RELIABILITY OF THE OVERALL PERFORMANCE OF THE SYSTEM IMPLIES THE ABILITY OF THE HUMAN OPERATOR TO GENERATE ADAPTIVE, OPTIMIZING BEHAVIOR AS A FUNCTION OF THE CHANGING DYNAMIC REQUIREMENTS OF THE SYSTEM. ADAPTIVENESS IS DEFINED AS THE PROCESS BY WHICH THE HUMAN OPERATOR COMPENSATES FOR CHANGES IN THE REQUIREMENTS OF HIS TASKS. THE HUMAN OPERATOR MAY OPTIMIZE HIS BEHAVIOR BY LEARNING TO PERCEIVE AND VARY THE PARAMETERS WHICH DESCRIBE THE TRANSFER FUNCTION HE HAS GENERATED. IT IS NECESSARY TO MEASURE THE TRANSFER FUNCTIONS WHICH DESCRIBE HUMAN CONTROL BEHAVIOR. THE PERFORMANCE CAPABILITY OR EFFECTIVENESS MEASURE CONSIDERS TOLERANCE PERFORMANCE LIMITS FOR ALL COMPONENTS OF THE SYSTEM IN TERMS OF EFFECTIVE TASK ACCOMPLISHMENT. THE MATHEMATICAL EVALUATION OF THE MEASURE IS PRESENTED. /HSL/

  • Supplemental Notes:
    • Rept No ASME-67-WA/BHF-4
  • Corporate Authors:

    Denver University

    University Park
    Denver, CO  USA  80208-0183
  • Authors:
    • Stinson, P J
  • Publication Date: 1967

Media Info

  • Features: References;
  • Pagination: 5 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00221729
  • Record Type: Publication
  • Source Agency: Highway Safety Literature
  • Files: TRIS
  • Created Date: Jul 17 1972 12:00AM