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An Easy-To-Understand Glossary of Common Robotics Terms

Peter Thomson
Peter Thomson  |  September 24, 2019

People tend to have a very narrow definition of what constitutes a robot.

Metal arms, servo motors, and visual sensors do not a robot make. If you take even a cursory examination of the history of robotics, you’ll find plenty of examples of robots invented before there was electricity that are just as much autonomous machines as the high-tech innovations of today.

Robot terms A to Z:

Relevant robotics terminology

While pursuing the internet, you may have come across several terms being used in all manner of incorrect ways. This guide will give you everything you need to comprehend the jargon being thrown around by academics and self-styled thought-leaders.

Robot terms A through E

A

Actuator: a motor that reads programming signals and translates them into mechanical movement.

Aerobot: a type of aerial robot that is set apart by its capacity for independent flight.

 

 

Android: a humanoid robot designed to resemble an adult human male. The ‘andro’ prefix is in reference to the assigned masculine gender of the machine.

Articulated manipulator: a robot arm that is divided into independent segments that are controlled by one or more joints.

Automaton: the process by which human labor is replaced by autonomous machines.

Autonomous vehicle: any vehicle that can operate without direct human control, usually through a built-in autopilot system.

Axis/degree of freedom: this term refers to how a robot arm or body can maneuver. This corresponds to the number of joints in a particular machine. While joints to degrees of freedom is not a 1:1 ratio, more joints is the most straightforward way to achieve a greater degree of freedom for a robot.

B

Bionics: the act of using biological systems or organically occurring processes for the development and design of new robots.

C

cartesian manipulatorfunction of a cartesian robotic art, courtesy of toshiba.com

Cartesian manipulator: a robotic arm with prismatic joints for movement along the X, Y, Z coordinate system.

Central processing unit: functionally, the robot’s ‘brain’. It is the main circuit board and process pre-programmed and command inputs.

Cloud robotics: any robot that derives a functional capacity from the cloud.

Cobots: robots that interface directly with humans.

Controller System: a computer of some type that stores data, executes programs, and directs the operations of the robot.

Cyborg: shorthand for ‘cybernetic organism’, it is any being that possesses both biological and artificial parts.

Interested in how these terms came about? Check out our overview of the History of Robots!

Related content: The History of Robots →

D

Downtime: any period of time when a robot is not functioning. This is usually used to refer to operational malfunction or error.

E

End effector: a general term for the tool specifically designed to allow a robot to execute a specific task, such as a gripper or welding gun.

industrial robotAn example of an end-effector on an industrial robot (source: robotics.org)

Robotics terms F through K

F

Feedback sensor: the mechanism through which environmental data is fed back to the central processing unit, which uses it to adjust the robot’s motions.

robot sensorsDifferent variants of robot sensors (source: http://iggyclass.blogspot.com)

Force limiting: a safety feature that programs a robot to move at a slow, safe speed to allow for humans to work around it without barriers or shields.

Force Sensor: a device that monitors the force exerted by a robot’s primary manipulator, usually as a safety measure for humans and to monitor strain on the device.

G

Gantry: a hoisting mechanism for a robot that is fixed to a platform or track.

Gynoid: similar to an android, a gynoid is meant to invoke the female body.

gynoidExample of a feminized robot from the video game Starcraft II

H

Haptic: technology that uses the sense of touch in a robot manipulator to adjust the machine’s movements.

Harness: bundled wires that deliver power and data to a part of the robot.

Hexapod: a six-legged robot that takes inspiration from organic insects.

hexapod

Humanoid: any robot meant to resemble a human and execute traditionally human-exclusive activities.

Hydraulics: a method for generating force through liquid under pressure.

I

Industrial robot: a manipulator designed to execute specialized commands in order to fill a segment of the industrial chain of fabrication. For example, an industrial robot might be programmed to weld car frames together.

Input device: any device that allow for humans to interface with a robot. Usually, this is for the purposes of programming future actions or direct control over immediate locomotion.

Intelligent robot: a robot that can adapt its function based on sensory data without direct human intervention. Usually meant to refer to the fusion of robotics and some form of artificial intelligence.

J

Jacobian matrix: a set of algorithms that are used to help position a robot.

Robot terms L through Z

L

Laser: a beam of narrow and focused light that is often used as a non-contact sensors for robots and can be used for anything from distance finding to welding.

N

Nanobot: any autonomous device that is constructed of molecular components and operating at the nanoscale (one billionth of a meter)

P

Payload: the payload refers to the weight that a particular robot can carry or lift. This will affect the size and complexity of deployment for a given machine.

Pinch Points: any exposed joints that could catch human appendages or clothing.

Pneumatics: a method for generating force using compressed gas or air.

Powered Exoskeleton: a wearable machine that increases the strength and endurance of the human frame.

The mech is a sci-fi staple and dramatic example of what exoskeletons could one day be

Prosthetic: programmable robots meant to replace missing organic body parts. Most commonly used in medicine for leg and arm amputees.

R

Robot: a device that can execute a task independent of direct human control or activity.

RPA: software that utilizes metaphorical robot workers to execute complex tasks.

S

Sensor: various instruments that robots can use to gather forms of environmental data that allows the machine to adjust its own position and tasks based on this stimuli.

Singularity: a configuration of a robot arm where two joints become aligned along a common axis.

U

Uptime: the period of time wherein a robot is operating as intended.

The path to knowledge

Now that you understand these commonly searched for robotics terms, you should know everything you need to in order to explore the latest developments in robotics and AI! While you’re at it, take a look at some of the types of robots to get a good sense for what people are talking about in the field today.

Interested in learning more about robotics? Discover how Isaac Asimov’s three laws of robotics has been used for decades to program morality.

Peter Thomson
Author

Peter Thomson

Peter Thomson works with G2 as a Content Marketing Associate. Originally from Cincinnati, Ohio, they graduated from Kenyon College with a degree in Sociology. Their interests include podcasts, rock climbing, and understanding how people form systems of knowledge in the digital age. (they/them/theirs)