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Patrick Stahl- the 11th annual Human Factors IUW 2010

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Patrick Stahl- the 11th annual Human Factors IUW 2010 Patrick Stahl- the 11th annual Human Factors IUW 2010 Presentation Transcript

  • A Human Factors Perspective on Open Pit Haul Truck Traffic
    Mine Traffic Optimization Project
    Patrick Stahl
  • 1. Background
    • Research in mining to date has centred on accident analysis; little research on mine traffic
    • Mine Traffic Optimization Project
    • University of Toronto
    • Queens University
    • Barrick Gold Corporation
    • Observational Field Trip to Nevada, USA, July 2010
     Goldstrike and Bald Mountain Mines
  • 2. The Truck Cockpit
    • Goldstrike operates exclusively with Komatsu 930E trucks in its open pit
    • Bald Mountain uses Komatsu 830E and Caterpillar 785B and 789B trucks
  • 2. The Truck Cockpit: Steering Controls
    Komatsu Cockpit (930E)
    Caterpillar Cockpit (785B)
  • 2. The Truck Cockpit: Dispatch Displays
    Goldstrike Dispatch Display (Komatsu 930E)
    Bald Mountain Dispatch Display (Caterpillar 785B)
  • 3. Two Task Categories
    i) Vehicle Control
     Attention and competencies specific to piloting
    ii) Communication & Information Management
     Attention and competencies specific to processing procedural information
  • 4. Challenges for Vehicle Control
    • Physical dimensions of equipment
    • Very limited view
    • Exact positioning needed
    • Extreme and rapidly changing environmental conditions
  • 5. Challenges in Communication and Information Management
    • Secondary task, but nonetheless crucial to mine operation
    • Choice of sensory channel for mediation
    • Very limited operator capacity with respect to additional perceptual tasks
  • 6. Operator Perspective: Demographics
    Individual differences will influence driver attitudes towards technology
  • 6. Operator Perspective: Work Setting
    • 12 hour shifts (with 2 breaks), 2-5 hour daily commute
    • Monotonous, repetitive work
    • Little sleep between shifts
    • Fatigue likely a major issue
    • Slower driving when operator is fatigued
    • Complex manoeuvring tasks alternate with long hauls
    • Multiple simultaneous visual and auditory monitoring tasks (radio, driving, truck instruments, dispatch directives, …)
    Monotonous job, but continuous concentration required
  • 6. Operator Perspective: Work Environment
    • Constant, loud noise levels
     Auditory alert design
    • High, constant level of vibration
     Haptic interfaces problematic
    • Visual channel already very busy
  • 7. Prospects for Research
    Human-Automation Collaboration
     Automation Reliance
    Operator Distraction (and Mitigation)
     Attention Allocation
    Operator Fatigue (and Mitigation)
  • A Human Factors Perspective on Open Pit Haul Truck Traffic
    part of the
    Mine Traffic Optimization Project
    University of Toronto
    Queens University
    Barrick Gold Corporation