End User Strategy Specification
Paul Scerri and Johan Ydrén
RTSLAB
Linköping University
End User Strategy Specification
Introduction
• Introduction
• RoboCup and the soccer server
• Three design phases
End User Strategy specification
RoboCup
End User Strategy Specification
RoboCup
• AI and robotic research
• World cup - four leagues
• Simulation league
End User Strategy Specification
Soccer Server
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Soccer server
Simplified
Difficulties
Challenge
End User Strategy Specification
Three Phases
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Whiteboard analogy
Creating a player template
Drawing a strategy
Testing the strategy
Iterations
End User Strategy Specification
Behavior Specification
• Needs an AI expert
• Behavior based system
• Specification language
End User Specification
Behavior Based
• Modular
• Layered
Close To Our Goal
• Predicates
Defense
– Fuzzy
– Modificators
Have Ball
Play
Always
Neutral
Near Ball
Our Player has ball
Offense
Far From Ball
End User Strategy Specification
Specification Language
• Keywords:
– Play mode
Top
• Mode
Winning
Losing
– Attributes
• ATTR
– Actions
Defense_MODE
Attack_MODE
Center_MODE
Aggressive_ATTR
Passer_ATTR
Defensive_ATTR
• Action
– Parameters
• Param
Pass_ACTION
Dribble_ACTION
Catch_ACTION
Pos_ACTION
End User Strategy Specification
Strategy Creation
• Strategy design
• Compilation
End User Strategy Specification
Strategy Design
End User Strategy Specification
Strategy Design
End User Strategy Specification
Compilation
• Preloaded template
• Extracts information
• Recursively building behavior structure
End User Strategy Specification
Our Experience
• Creates complex coordinated behaviors
• Limited by the template