Introduction to Robotics

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Questions and Answers

Who coined the word 'robot'?

  • Karel ÄŒapek (correct)
  • Alan Turing
  • Isaac Asimov
  • Edsger W. Dijkstra

The term 'robota' from Czech translates to what in English?

  • Worker or servant (correct)
  • Companion
  • Helper
  • Automaton

What is a key characteristic of a robot according to the Robot Institute of America (RIA)?

  • Reprogrammable multifunctional manipulator (correct)
  • Capacity for independent decision-making in unpredictable situations
  • Ability to mimic human emotions
  • Self-awareness and consciousness

What capability does the Japan Robot Association (JARA) emphasize in their definition of a robot?

<p>Ability to move in a flexible manner analogous to living organisms (D)</p> Signup and view all the answers

Which features are considered essential when defining a robot?

<p>Manipulation, reprogrammability, and movement (A)</p> Signup and view all the answers

What characterized first-generation robots?

<p>Capacity to memorize repetitive movements using internal sensors (D)</p> Signup and view all the answers

How did second-generation robots improve upon the first?

<p>By using external sensors and feedback for environmental response (A)</p> Signup and view all the answers

Which capability defines third-generation robots?

<p>Use of artificial intelligence to learn and adapt to new situations (B)</p> Signup and view all the answers

What role do actuators play in a robot?

<p>Connecting and moving links (C)</p> Signup and view all the answers

What is the function of sensors in a robot?

<p>Perceiving the world around the robot (C)</p> Signup and view all the answers

Which of the following is a consideration in constructing physical robots?

<p>The limitations of sensor and actuator technology (C)</p> Signup and view all the answers

What is the purpose of 'controllers' in overcoming physical robot limitations?

<p>To push beyond existing constraints through innovative solutions (B)</p> Signup and view all the answers

Which of the following is a major area of focus in robotics?

<p>Mechanical manipulation (B)</p> Signup and view all the answers

What does 'mechanical manipulation' in robotics involve?

<p>The use of mechanical means by robots to move, arrange, or control objects (C)</p> Signup and view all the answers

In the context of robotics, what does 'locomotion' refer to?

<p>The self-powered movement of limbs or anatomical parts to move from place to place (B)</p> Signup and view all the answers

What is the primary goal of 'computer vision' in robotics?

<p>To build systems that can extract information from images or multi-dimensional data (D)</p> Signup and view all the answers

Which aspect is part of 'artificial intelligence' as it applies to robotics?

<p>Developing intelligent behavior, learning, and adaptation in robots (C)</p> Signup and view all the answers

Which of the following is an area of AI relevant to robotics?

<p>Inference (C)</p> Signup and view all the answers

What is the defining feature of a Collaborative Robot (COBOT)?

<p>The capacity to perform tasks in direct cooperation with humans (A)</p> Signup and view all the answers

What is one focus of robotics, as highlighted by a TED Talk example?

<p>Building robots that can run, hop, and open doors (C)</p> Signup and view all the answers

In the context of robot primitives, what is the role of the 'Sense' primitive?

<p>To gather data from sensors (A)</p> Signup and view all the answers

When a robot 'Plans', what is its 'Input'?

<p>Information (sensed and/or cognitive) (D)</p> Signup and view all the answers

What is outputted when a robot 'Acts'?

<p>Actuator commands (C)</p> Signup and view all the answers

In the Hierarchical Paradigm, what guides the 'Plan' primitive?

<p>Information (sensed and/or cognitive) (A)</p> Signup and view all the answers

In the Hierarchical Paradigm, what does the 'Plan' primitive output?

<p>Directives (C)</p> Signup and view all the answers

In the Reactive Paradigm, what does the 'Sense' primitive output?

<p>Sensed information (C)</p> Signup and view all the answers

In the Reactive Paradigm, what does the 'Acts' primitive act upon?

<p>Sensed information (C)</p> Signup and view all the answers

In the Hybrid paradigm, the 'Sense-Act' behavior receives what input?

<p>Sensor data (D)</p> Signup and view all the answers

In the Hybrid paradigm, what does 'Plan' output?

<p>Directives (C)</p> Signup and view all the answers

In the Hybrid paradigm, the 'Sense-Act' behavior triggers what action?

<p>Actuator commands (B)</p> Signup and view all the answers

Flashcards

Robot (RIA Definition)

A reprogrammable, multifunctional manipulator to move materials, parts, or tools through programmed motions.

Robot (JARA Definition)

A device capable of moving in a flexible manner analogous to living organisms, with or without intelligent functions.

Manipulator

The part of the robot that interacts directly with its environment, like a human hand.

First Generation Robots

Robots capable of memorizing repetitive movements, using internal sensors. They are arm-type and manipulative.

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Second Generation Robots

Robots with external sensors and feedback, that can make limited decisions, and respond to the working environment.

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Third Generation Robots

Robots employing artificial intelligence, able to recognize, learn, think, and adapt to new situations.

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Links

Rigid bodies that form the structure of a robot.

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Actuators

Components that connect and move the links of a robot.

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Sensors

Components that perceive the world around the robot.

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End-Effector

Component carrying out a task on the robot.

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Mechanical Manipulation

The ability to move, arrange, operate, or control by mechanical means in a skillful manner.

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Locomotion

Self-powered, patterned motion of limbs allowing movement from place to place.

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Computer Vision

Building artificial systems extracting information from images or multidimensional data.

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Artificial Intelligence

Making machines act intelligently through intelligent behavior, learning, and adaptation.

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Sense (robot primitive)

The use of sensor data to perceive the environment.

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Plan (robot primitive)

Using sensed data to create directives or plans for actions.

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Act (robot primitive)

Executing actions using actuators based on information or directives.

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Robot

Word coined by Karel Capek in 1920 play.

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Study Notes

  • Robotics covers basic concepts

Definition of a Robot

  • The word "robot" was created in 1920 by Czech novelist Karel Capek in his play "Rossum's Universal Robots" (RUR).
  • The Czech word "robota" translates to "worker" or "servant".
  • RIA defines a robot as a reprogrammable, multifunctional manipulator designed to move material, parts, tools, or specialized devices through variable programmed motions to perform diverse tasks.
  • JARA describes a robot as a device for movement in a flexible way similar to living organisms, with or without intelligent functions, enabling operations based on human commands.
  • DRAE defines a robot as a programmable electronic machine or device able to manipulate objects and perform various operations.
  • Keywords include: Manipulator, Reprogrammable, Intelligent functions and Movement

History and Classification

  • Areas covered can include; what a robot is?, what a robot can do?, its history, key components, applications etc
  • The development of robots can be traced via automatons and a modern timeline
  • Robots can be classified by: generation, application area, actuators, number of axes, configuration, kinematic configuration, etc.
  • First generation robots are reprogrammable, arm-type devices capable of memorizing repetitive movements using internal sensors,
  • Second generation robots (1980s) possess external sensors and feedback, enabling them to make limited decisions and respond to their environment.
  • Third generation robots (late 90s and beyond) use artificial intelligence to recognize, learn, think, and adapt to new situations.

Key Robot Components

  • Some key robot components are links, actuators, sensors, end-effectors, communication systems and controllers
  • Links act as rigid bodies
  • Actuators connect and move links
  • Sensors help perceiving the world

Robot Construction Limitations

  • Physical constraints
  • Sensor and actuator technology limits
  • Power consumption
  • Design issues (general structure, and interaction modality)
  • Level of articulation

Robotics Areas

  • Mechanical manipulation
  • Locomotion
  • Computer vision
  • Artificial intelligence

Manipulation

  • Robotics can move, arrange, operate, or control using hands/mechanical means with skill.
  • Examples of manipulation include moving, joining, grinding, bending, and reshaping objects.
  • Using a model of how the world works, robots can be programmed to choose actions to accomplish a given goal, searching through action sequences until a suitable plan is found.
  • Techniques from rigid body mechanics, kinematic constraint, Coulomb friction, gravity, and impact are used to develop solutions for manipulation problems.

Locomotion

  • In biology, locomotion is the self-powered, patterned motion of limbs/anatomical parts by which an individual moves.
  • Forms of locomotion include walking, running, crawling, climbing, swimming, and flying.
  • Apprenticeship learning allows the control algorithm to accept isolated advice at different hierarchical levels of the control task
  • Experimental quadruped locomotion can accomplish tasks with complete trajectories and 3D transformations.

Computer Vision

  • Building artificial systems to obtain information from images or multi-dimensional data.
  • Perception is extracting information from sensory signals; and computer vision investigates artificial systems for perception from images/multidimensional data.

Artificial Intelligence

  • AI is the science of enabling machines to act intelligently with intelligent behavior, learning, and adaptation.
  • The seven areas of AI; knowledge representation, understanding natural language, learning, planning and problem solving, inference, search, and vision

Collaborative Robots (Cobots)

  • Robots that work alongside humans, and the NASA Valkyrie robot

TED Talks

  • TED talks are; Meet ‘Spot, the robot dog that can run, hop and open doors’ | Marc Raibert
  • And Meet ‘the dazzling flying machines of the future’ Raffaello D'Andrea

Robot Action Paradigm

  • Robot primitives include sense, plan and act
  • The hierarchical paradigm flows from sensor data to sensed information, then directives followed by actuator commands
  • The reactive paradigm flows from sensor data to sensed information then directly to actuator commands
  • The hybrid deliberative/reactive paradigm flows from sensor data to actuator commands, or from cognitive data to directives

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