Chapter AR/VR/Robotics

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Augmented Reality

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Tags and Description

15 Terms

1

Augmented Reality

Virtual objects overlaid on a view of the real world

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2

Virtual Reality

The real word is entirely replaced with a virtual environment

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3

Optical See-through

The real-world view is seen directly through a lens or smart glass where virtual objects are rendered

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4

Video See-through

The real world is seen indirectly through a video camera, virtual objects are rendered on the video screen

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5

Image Tags

Calculates 3D distance and orientation based on skewed views of a known image

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6

Inertial Measurement Unit (IMU)

Electronic sensor that can measure 3D movements based on gravity and inertia

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7

Robotics Disciplines

Robotics involves Mechanical Engineering, Electrical Engineering, and Computer Science

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8

Robot

A robot is a system that can: A system that can: SENSE things about itself or its environment PLAN what to do based on its goals and sensors ACT on its goals and affects the environment in some way

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9

Major Robot Subsystems

Power: Making sure all components have enough electrical power Perception: What a robot can sense and understand about itself and its environment Decision Making: The step between Perception and Manipulation (the majority of coding goes here!) Deciding what our goal is and how to achieve it Manipulation: How a robot can move within and interact with objects in the environment

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10

Sensor

perception of the external world and the robot’s internal state Ex: Cameras, buttons, remotes, distance sensors, accelerometers, GPS

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11

Controller

Controller: decision making component, reads sensor’s data and determines actuator’s responses Ex: microcontrollers, embedded computers

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12

Actuator

Actuators: the manipulation of the robot and its surroundings Ex: movement, arms, tools, motors, servos, hydraulics

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13

The Three D's

Robots are most commonly for situations or tasks that are: DULL: Repetitive, predictable, or simple tasks like assembly lines DIRTY: Sanitation, sewer repair. Used UV robot to sterilize masks for hospital workers! DANGEROUS: Outer space, underwater, de-mining battlefields, navigating resource minesA

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14

Autonomy

The ability of a robot or machine to act without human control or intervention

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15

Autonomy Levels

Level 0 - No Autonomy (Full human control, normal machinery) Level 1 - Robotic Assistance (Robot assistance, helps with safety limits) Level 2 - Task Autonomy (Small portions of functionality are automated) Level 3 - Conditional Autonomy (Decisions and movements are approved by supervisor) Level 4 - High Autonomy (Mostly automatic, supervisor for emergency interventions) Level 5 - Full Autonomy (Robot acts fully alone throughout entire task or program)

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