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Gerhard K. Kraetzschmar The Cool Science Institute Educational Robotics A Glimpse on Robotics Tutorial Material
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Overview What is a robot? Characterization Examples Anatomy Why do computer scientists care about robots? Survey of Educational Robotics Technology Lego Mindstorms Boards for Use with Lego Technics Tetrixx
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Autonomous Mobile Robots Machines capable of moving about their environment and demonstrating some kind of intelligent behavior Permanent Perception-Cognition-Action cycle Autonomy is the degree to which an agent's decisions are determined by its own observations and experience
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LEGO-Bots
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Kheperas
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Truck
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Sparrows
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Stanislav B21 from RWI 2 DoF omnidrive Pan-Tilt Unit 56 Bumper 48 IR Sensors 24 Sonars 1 Laser Scanner 2 Microphones 2 Cameras
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Robot Anatomy Effectors mobile bases manipulators (arms, hands, grippers, kickers) other Sensors Electronics Software operating systems programming languages programming environments programming methodology Robot control architectures
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Robotics Software Technology State-of-the-art mobile robots use networked hardware Software is distributed across available hardware stanleft laser stantalk stanbook stanright sonar base L-cam PTU R-cam Show me room H20! GUI
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Robotics is AI-complete Complex autonomous mobile robots must represent various kinds of knowledge knowledge representation spatiotemporal representations make inferences from knowledge and plan their action inference; deduction, abduction planning and scheduling perceive their environment sensor interpretation and sensor fusion pattern recognition, computer vision interact with humans speech, natural language processing adapt to changing environments and tasks machine learning neural network learning, reinforcement learning evolutionary learning
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Three Laws of Robotics
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Role of Kinematics kinematics and manueverability kinematics and control
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Robot Motion Wheeled robots Tracked robots Legged robots Humanoid robots Exotic robots
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Wheeled Robots easy to build easy to control need flat terrain cannot climb stairs
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Tracked Robots more difficult to build easy to control good on rough terrain cannot climb stairs
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Legged Robots hard to build hard to control good on rough terrain can climb stairs in principle
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Cog
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Humanoid Robots
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Exotic robots hard to build hard to control stabilization is a major issue solutions for virtually all environments
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Ackermann
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Tricycle Drive
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Differential Drive
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Synchro Drive
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Role of Shape
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Sturdy Lego Structures
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Lego Mathematics
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Lego Gearbox
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Lego Gearing
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Sensor Principle
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Analog Sensors
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Digital Sensors
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Active Sensing
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Sensor Uses
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Microswitches
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Photo Resistors
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IR Reflectance Sensor
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Breakbeam Sensor
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Shaft Encoders
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IR Beacon
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Sharp IR Sensor
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DC Motors
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Servo Motors
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Motor Characteristics
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Pulse-Width Modulation
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H-Bridge
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Memory Map
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6.270 Board
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Handyboard
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Programming Setup
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c165key
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LCD Display Example
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Multiboard Example
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Control Theory
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Open-Loop Control
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Closed-Loop Control
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Subsumption Example
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Behavior Wander-About
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Behavior Escape-from-Traps
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Behavior Look-for-IR
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Subsumption
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Arbitration
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Discussion of Tutorial Concepts Technology Course Material
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