converged technologies improve operator awareness, leading to increased performance and safety using...
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Converged Technologies Improve Operator Awareness, Leading to Increased Performance and Safety
Using Situational Awareness Theories in the Design of Fleet Management System Onboard Interfaces
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Shovel Operator Responsibilities
Production MonitoringPayload Monitoring
Track ElevationBucket PositioningEquipment Health
Missing Tooth DetectionProximity AwarenessBlind Area Viewing
…
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Convergence
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Convergence
256 TonsElevation
Tooth Detect
Cut/FillAGS Machine Health
Proximity
PayloadCamera
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Convergence
256 Tons
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Situational Awareness
Situational Awareness (SA) is being aware of what is happening around you and understanding how information, events, and your own actions will impact your goals and objectives, both now and in the near future. Lack of SA is one of the primary factors in accidents attributed to Human Error.
Nullmeyer, Stella, Montijo, & Harden, 2005
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Global Mining Standards
Asset Management
Mobile Mining Equipment Onboard Data and Access
MME Onboard Technology and Connectivity
Situational Awareness
Underground Mining
Operational Safety and Risk Management
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Situational AwarenessIncreased technology does not necessarily improve SA, in fact the effect can be quite the opposite
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It’s Happening in Mining
•Fleet Management Systems - loading efficiencies, KPI’s•Machine Guidance - floor elevation•Arm Geometry Systems - precision bucket placement•Payload Monitoring - maximize tonnage in truck, avoid warranty violations•PLCs - monitoring machine performance•Proximity Detection - equipment proximity warnings•Fatigue Monitoring - evaluating the wakefulness of the operator•Cameras - 360 views to observe surroundings•Shovel Tooth Detection - monitor and alert for possible missing teeth• …
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SAWGSituational Awareness Working Group
Display Manager
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Wenco - Windows CE – Touch Screen
Microsoft - Pocket PC 2000 - Stylus
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Pioneers of TouchScreenNo Standards – Entirely Custom UI
Hired UI Specialist
Tester and User Experience - BFB- Not all info at same time- Screen changes based on state
Simple concept made difficult with addition of multiple technologies from ourselves and third parties
Wenco MDT3 RaMP Circa 2000
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Current Integration- Wenco• Fleet Management
– Incremental truck loading payload, material types, dump locations, eta of next truck, delays, downs, and operating statuses, messaging, shift production KPIs
• Machine Guidance– Track elevation, design elevation, cut/fill recommendations, pitch and roll,
load blend calculations, automated dig block reconciliation…• Bucket Positioning
– Arm geometry calculations, graphical depiction, cut/fill recommendations, automated dig block reconciliation
• Proximity Awareness– Position, status, and direction of other equipment, proximity alerts, hazards
and exclusion zones
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BenchManager
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Numerous Data SourcesInformation from other industry suppliers
Motion Metrics Shovel Tooth Detection PressurePro Tire Monitoring
MSR Reutech Slope Monitoring Omnicomm Fuel Sensors Guardvant Fatigue Monitoring
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Unified Alarm System
Time: 5/16/2013 3:22:02 PMSystem: Tire Monitoring High Temp RF
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Tabbed Access
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Key Situational Concepts1. Making Sure Operator Doesn’t feel “Out-of-the-Loop”
Must know the state of the software, that it is up to date and displaying correct information
2. Mode Awareness – UnderstandingEnsuring the operator understands why the system is doing what it’s doing
3. Decision SupportEnsuring the operator is using the system for adequate decision making. System should boost decision making effectiveness by providing necessary information
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Out of The Loop
• Colour coded signals for core inputs and outputs• Opacity to indicate confidence of data
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Mode Awareness
Current Mode (Status)
One-touch next Status
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• Automatically switch between PitNav and standard MDT screen
• Switch based on status and/or GPS speed
Automated Switching
Decision Support
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Conclusion• Wenco designs GUIs to support the ability of shovel operators to handle complex
and rapidly changing situations in which informed decisions need to be made under tight time constraints
• This involves far more than merely being aware of numerous pieces of data
• Operators must understand integrated meaning of what they are perceiving in light of their goals
• Situational Awareness empowers operators to safely and efficiently move material within the mine’s operating guidelines and towards the goals of the company.
• To learn more about SA and GMSG please visit www.globalminingstandards.org
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Wenco Fleet Management Plan and Forecast for Shifts, Monitor and Control Production, Optimize Payload, Deliver Required Blend to Plant, Optimize Refuelling, Minimize Consequence of Delays and Downs, Improve Operator Efficiency.
Build to Design on First Pass, Reduce Need for Surveying, Evaluate Road Networks, Use As-Built (Dug) Data in Mine Plan Updates, Environmental Accountability.
Track Personnel Hours, Track On-Vehicle Training, Verify Qualifications on Shift Start, Instant Notification of Safety Issues (speed violation, checklists, exclusion zones, proximity alarms), Accident Investigation.
Identify Performance Indicators and Set Targets, Compare Actual vs Target, Review - Adjust – Plan, Activity Based Costing, Notification of Priority Data on Mobile Devices, Export Data to ERP.
Operations
Maintenance
Engineering
Human Resources
Management
Prevent Warranty Violations (Payload …), Immediate Notification and Action on Issues (Alarms and Pre-Start Checks), Analysis and Trending of Machine Health, Equipment Downtime Accountability and Management.