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Robotic Arms

15.11.2009 | Author: Steve Brown | Posted in Electronics | Steve Brown has blogged 28 posts other posts by Steve Brown

The word robot comes from the Czech word “robota”, meaning “forced labor.” The stuff of science fiction robotics in the 21st century is different than your parents or your grandparents’ ideas of robotics. What used to be thought of as futuristic improbability is now becoming a reality.

There are three fake laws of robotics. They serve more to tingle the imagination than they do to serve any practical application. The first law of robotics is that a robot may not injure humanity. This is actually law zero. I know, silly. The second law is that a robot may not harm any person. The third law is that a robot must obey human commands unless it is ordered to harm a human. The final law is that a robot must protect its own existence unless doing so would bring harm to a human. Now anyone with a brain knows that the military has violated all these laws with the robot weapons they have created. The whole robot laws thing is dumb. Robots are machines and therefore can not be told to protect their own existence unless it brings harm to a human. Absolutely silly and I think such laws bring a kind of dumbfounding color to the science of robotics. These laws came from the fertile mind of a science fiction author and were never meant to have any sort of practical application.

A robot is a reprogrammable manipulator created to move tools, parts, or materials by programmed actuators to complete a variety of tasks. This is the definition from the Robot Institute of America. The average person thinks of a robot as a machine designed to imitate some type of human task. A robot is really nothing more than a mechanical device made to perform some type of easily replicated task.

The most developed robot in practical use today is the robotic arm and it is seen in applications throughout the world. We use robotic arms to carry out dangerous work such as when dealing with hazardous materials. We use robotic arms to carry out work in outer space where man can not survive and we use robotic arms to do work in the medical field such as conducting experiments without exposing the researcher.

Some of the most advanced robotic arms have such amenities as a rotating base, pivoting shoulder, pivoting elbow, rotating wrist and gripper fingers. All of these amenities allow the robotic arm to do work that closely resembles what a man can do only without the risk.

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Steve Brown has blogged 28 posts

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