OutlineArtificial Intelligence a modern approach2Agents and environmentsRationalityPEAS (Performance measure, Environment, Actuators, Sensors)Environment typesAgent types
AgentsArtificial Intelligence a modern approach3•An agentis anything that can be viewed as perceivingits environmentthrough sensorsand actingupon that environment through actuators•Human agent: –eyes, ears, and other organs for sensors; –hands, legs, mouth, and other body parts for actuators•Robotic agent:–cameras and infrared range finders for sensors –various motors for actuators
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Agents and environmentsArtificial Intelligence a modern approach4•The agent functionmaps from percept histories to actions:[f: P*A]•The agent programruns on the physical architectureto produce f•agent = architecture + program