robotics part1

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Information about robotics part1

Published on January 4, 2008

Author: Savina


Robotics:  Robotics What is your favorite robot?:  What is your favorite robot? Robby – Forbidden Planet Robocop Tobor Find some good robotics videos.:  Find some good robotics videos. Swimming fish: Robot wars: Japanese robots: Miscellaneous robots: “A robot is a reprogrammable, multifunctional manipulator designed to move material, parts, tools, or specialized devices through variable programmed motions for the performance of a variety of tasks.” (Robot Institute of America):  “A robot is a reprogrammable, multifunctional manipulator designed to move material, parts, tools, or specialized devices through variable programmed motions for the performance of a variety of tasks.” (Robot Institute of America) Definition: Alternate definition: “A robot is a one-armed, blind idiot with limited memory and which cannot speak, see, or hear.” What is a robot? What are robots good at?:  What are robots good at? What is hard for humans is easy for robots. Repetitive tasks. Continuous operation. Do complicated calculations. Refer to huge data bases. What is easy for a human is hard for robots. Reasoning. Adapting to new situations. Flexible to changing requirements. Integrating multiple sensors. Resolving conflicting data. Synthesizing unrelated information. Creativity. What tasks would you give robots?:  What tasks would you give robots? Dangerous Space exploration chemical spill cleanup disarming bombs disaster cleanup Boring and/or repetitive Welding car frames part pick and place manufacturing parts. High precision or high speed Electronics testing Surgery precision machining. What does building robots teach us about humans?:  What does building robots teach us about humans? How do our sensors work? eyes brain How do we integrate sensors? How does our muscular-skeletal system work? How do we grab and hold an object? How does our brain process information? What is nature of intelligence? How do we make decisions? What subsystems make up a robot?:  What subsystems make up a robot? Action Stationary base Mobile Sensors Control Power supply Robert Stengel, Princeton Univ. Action – do some function.:  Action – do some function. Actuators pneumatic hydraulic electric solenoid Motors Analog (continuous) Stepping (discrete increments) Gears, belts, screws, levers Manipulations Three types of robot actions.:  Three types of robot actions. Pick and place Moves items between points. Continuous path control Moves along a programmable path Sensory Employs sensors for feedback How do robots move?:  How do robots move? Mobility:  Mobility Legs Wheels Tracks Crawls Role What sensors might robots have?:  What sensors might robots have? Optical Laser / radar 3D Color spectrum Pressure Temperature Chemical Motion & Accelerometer Acoustic Ultrasonic What use are sensors?:  What use are sensors? Uses sensors for feedback Closed-loop robots use sensors in conjunction with actuators to gain higher accuracy – servo motors. Uses include mobile robotics, telepresence, search and rescue, pick and place with machine vision. Control - the Brain :  Control - the Brain Open loop, i.e., no feedback, deterministic Instructions Rules Closed loop, i.e., feedback Learn Adapt

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