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What Is A Robot - Online Essays

What Is A Robot



The term robot comes from the Czechoslovakian wordfor "forced labor,"
invented by Karel Capek. Karel Capek used robots in his plays and had them
look and behave like people.

Today, the word "robot" is harder to define because of new designs and
technology. The third edition of Websters's New International Dictionary
defines a robot as "a machine in the form of a human being that performs
the mechanical functions of a human being." However, today's robot makers
are not interested in giving their creations human forms. Most industrial
robots look like lobsters or oversized grasshoppers.

Around 1981, the members of the Robot Institute of America, held a
meeting to develop a ...

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but its basic structure will not
change (except maybe a new mechanical hand). By "multifunctional" they
mean a robot is the mechanical counter part of a computer that can handle
various problems without any major hardware modifications. The only thing
that changes when a robot is reassigned is its program of instructions.

In modern robots, programmable microprocessors control all the robot's
movements and actions. Robots can be taught by using a teaching mode. An
operator moves the robot's hand through all of the desired motions manually
with his own hand. When the robot is activated, it will repeat those same
motions over and over again.

Most robots are equipped with one hand and one arm of several
articulated joints. Some of these joints swivel in smooth arcs mimicking
the behavior of the human shoulder, wrist, and elbow. Other robots move in
straight lines similar to a crane. Robots rarely have a pair of arms, and
are usually stationary. If a robot ...

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graph. Up and down would be Z which
runs through the graph and describes depth. Z also adds the third
dimension.

A cylindrical arm also has three degrees of freedom, but it moves
linearly only along the Y and Z axes. Its third degree of freedom is the
rotation at its base around the two axes. The work envelope is in the
shape of a cylinder.

The spherical arm replaces up and down movements along the two axes
with a rocking motion of the arm. The spherical arm's work envelope is a
partial sphere which has various length radii.

The last and most used design is the jointed-arm. The arm has a trunk,
shoulder, upper arm, forearm, and wrist. All joints on the arm can ...

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What Is A Robot. (2007, July 18). Retrieved March 28, 2024, from http://www.essayworld.com/essays/What-Is-A-Robot/68217
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PAPER DETAILS
Added: 7/18/2007 06:18:33 PM
Category: Computers
Type: Premium Paper
Words: 2328
Pages: 9

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