Driver Input/Output Modes Audio Roadway Alerts Manual (Hand Wheel Horns(ext) Chimes/clicks Steering Column Velocity(Wind) Gear Shift Engine Switch(Panel) Radio Switch(other) Visual Passenger External Scene Forward Roadwa D river Traffic Manual (Foot) Throttle Signage Brake Environment Other Periphera nstrument Cluster Voice Tactile/Proprioceptive Other Lateral Accel Longitudinal Accel Road Surface Olfactory Other Eye Tracking Blink Gasol Control Force Feedback .Smoke/Fire Gesture Vibration Switch Feedback
Driver Input/Output Modes Driver Visual - External Scene - Forward - Roadway - Traffic - Lights - Signage - Environment - Peripheral - Rear - Internal - Instrument Cluster Audio - Roadway - Alerts - Horns (ext) - Chimes/Clicks - Velocity (Wind) - Engine - Radio - Passenger Manual (Hand) - Wheel - Steering Column - Gear Shift - Switch (Panel) - Switch (Other) Tactile/Proprioceptive - Lateral Accel - Longitudinal Accel - Road Surface - Control Force Feedback - Vibration - Switch Feedback Olfactory - Gasoline - Smoke/Fire - Passenger Manual (Foot) - Throttle - Brake - Other Voice Other - Eye Tracking - Blink - Gesture - Thought Other
“ Situation awareness” Term originally defined for air combat Working Definition: Sufficiently detailed mental picture of the vehicle and environment (i.e. world model) to allow the operator to make well-informed (i.e, conditionally correct) decisions
“Situation Awareness” • Term originally defined for air combat • Working Definition: Sufficiently detailed mental picture of the vehicle and environment (i.e. world model) to allow the operator to make well-informed (i.e., conditionally correct) decisions
Driver Situation Awareness Components Personal Weather Factors Equipment Adjacent Status nvironment Vehicle Performance Signage Awareness Control Roadway Settings Surf Location/ Passengers Route lon-driving Adjacent Elements Traffic Internal External
Driver Situation Awareness Components Situation Awareness Weather Passengers Control Settings Equipment Status Personal Factors Vehicle Performance Location/ Route Adjacent Environment Roadway Surface Adjacent Traffic Signage Non-driving Elements Internal External
Endsley situation Awareness Model *System Capability - Complexity Task/System Factors Stress Workload Feedback Situation Awareness Perception Of Comprehension Projection Of Elements In Of Current Future Status Current Performance State of the Decision Level 1 Level 2 Level 3 Actions Individual Factors Information Processing Mechanisms . Goals Long Automatically Memory Stores Preconceptions (Expectations)
Endsley Situation Awareness Model •System Capability •Interface Design •Stress & Workload Performance Of Actions Decision Perception Of Elements In Current Situation Level 1 Comprehension Of Current Situation Level 2 Projection Of Future Status Level 3 •Goals & Objectives •Preconceptions (Expectations) Information Processing Mechanisms Long Term Memory Stores Automatically •Abilities •Experience •Training State of the Environment Feedback Task/System Factors Situation Awareness •Complexity •Automation Individual Factors
Driving Task Definition Driver Secondar Everything Else Systems (Secondary Tasks) Distraction (eg: cell phone) Potential Vehicle Operation Task Vehicle (Primary Task
Driving Task Definition Driver Vehicle Secondary Systems (eg: cell phone) Vehicle Operation Task (Primary Task) Everything Else (Secondary Tasks) Distraction Potential