Intelligent Agents Chapter 2
Intelligent Agents Chapter 2
Outline Agents and environments 。Rationality PEAS(Performance measure, Environment,Actuators,Sensors) ·Environment types ·Agent types
Outline • Agents and environments • Rationality • PEAS (Performance measure, Environment, Actuators, Sensors) • Environment types • Agent types
Agents An agent is anything that can be viewed as perceiving its environment through sensors and acting upon 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
Agents • An agent is anything that can be viewed as perceiving its environment through sensors and acting upon 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 •
Agents and environments sensors percepts envlronme nt agent actlons actuators The agent function maps from percept histories to actions: [f.P*→列 The agent program runs on the physical architecture to produce f
Agents and environments • The agent function maps from percept histories to actions: • [f: P* → A] • The agent program runs on the physical architecture to produce f •
Vacuum-cleaner world ☒ g88 g8 Percepts:location and contents,e.g., [A,Dirty] ● Actions:Left,Right,Suck,NoOp
Vacuum-cleaner world • Percepts: location and contents, e.g., [A,Dirty] • • Actions: Left, Right, Suck, NoOp •