Human Factors in Engineering Design Fall 2003 Dr. Jennie Gallimore



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Human Factors in Engineering Design Fall 2003

  • Dr. Jennie Gallimore


Human Factors: What else is it called?

  • Ergonomics in Europe

  • Human Engineering in Military

  • Engineering Psychology by Psychologist



Human Factors Defined

  • Human Factors discovers and applies information about human behavior, abilities, limitations, and other characteristics to the design of tools, machines, systems, tasks, jobs, and environments for productive, safe, comfortable, and effective human use (Sanders and McCormick, 1993)

  • Human Factors IS NOT …



Cost of Ignoring Human Factors is Poor Quality!

  • Increased probability of accidents and errors

  • Less spare capacity to deal with emergencies

  • Increased labor turnover

  • Lower productive output

  • Increases in lost time

  • Higher medical costs

  • Higher material costs

  • Increased absenteeism

  • Low quality work

  • Injuries, strains



What do HFEs Do?

  • HFE uses a systems analysis approach.

  • Humans are a critical system component.

  • HFEs analyze systems focusing on human operators to determine what they are required to do to achieve system goals.

  • HFEs determine how the system can be designed or modified to meet goals.

  • Humans have certain capabilities and limitations, and the system must be designed with an understanding of the human component subsystem requirements.



What Do HFEs Do?



What Do HFEs Do?



What Do HFEs Do?



What Do HFEs Do?



What Do HFEs Do?



What Do HFEs Do?



History of Human Factors

  • Early History

    • Frank and Lillian Gilbretth
      • Early 1900’s
      • Motion study
      • Shop management
      • Hospital surgical teams
  • 1945-1960 (The Birth of a Profession)

    • U.S. Army Air Corps
    • U.S. Navy
    • Dunlap and Associates


History of Human Factors

  • 1960-1980 A period of rapid growth

    • Membership in a National Society
      • Human Factors and Ergonomics Society
      • www.hfes.org
    • Applied in industry in workplace and product design.
    • Space Program


History of Human Factors

  • 1980-1990

    • Computers
    • Three mile island
    • Litigation


HFE is a Multidisciplinary Field

  • Psychology

    • Cognition
    • Sensation and Perception
  • Engineering

    • Anthropometry
    • Biomechanics
    • Systems design
    • Mechanical
    • Electrical
    • Etc…


Jobs in HFE

  • Topic Areas

    • Computers
    • Aerospace
    • Industrial Processes
    • Ergonomics
    • Health and Safety
    • Transportation
    • Education
    • Medical Systems


Examples of Employers

  • Aerospace and Defense

    • Boeing
    • General Dynamics
    • Hughes
    • Lockheed Martin
    • TRW
    • Rockwell
  • Power & Utilities

    • EG&G
    • General Electric
    • Westinghouse


Examples of Employers

  • Computers

    • Apple
    • IBM
    • Digital Equipment Corp.
    • Hewlett-Packard
    • INTEL
    • Xerox
    • Sun Microsystems
    • Compaq
    • NRC Corp.
    • Start-up companies!


Technical Groups in HFES

  • Aerospace Systems

  • Aging

  • Cognitive Engineering & Decision making

  • Communication

  • Consumer Products

  • Educator’s Professional

  • Environmental Design

  • Forensics Professional

  • Industrial Ergonomics

  • Macroergonomics

  • Medical Systems & Rehabilitation



HFES provides opportunity for variety!

  • Areas in which I have worked:

    • Development of Radar System (TRW)
    • Development of Typewriters (Xerox)
    • Development of user interfaces
    • Designing systems for assembly planning
    • Aerospace applications
    • Advanced cockpit displays
    • Uninhabited aerial vehicles
    • Spatial disorientation training system
    • Virtual Environments
    • Expert Witnessing


SYSTEMS

  • Example Types

    • Manual
    • Mechanical
    • Automated (hybrid)
  • Characteristics of Systems

    • Systems have a purpose
    • Systems can be hierarchical
    • Systems operate in an environment


Systems

  • Components Serve Functions



Systems

  • Components Interact

  • Systems, subsystems, and components have inputs and outputs



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