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    ROBOTICS

                     The branch of science and technology behind the design, construction, operation,
                     application and manufacturing of robots is called robotics. A person working in this

                     field is called a roboticist.

                     PARTS OF A ROBOT

                     A robot  has three major  parts:  Controller,               Controller
                     Sensor and Mechanical parts (actuators). Let                                           Sensor
                     us learn about them in detail.

                     Controller: A robot  cannot  think  like  human
                     beings.  The  controller, a built-in  computer
                     program, is like a brain; it controls the functions

                     of a robot.                                                                             Mechanical
                                                                                                          parts (actuators)
                     Sensor: Our sensory organs collect information
                     from our surroundings and send it to our brain
                     for processing  the  same.  Robots  also  have

                     devices or sensors that tell them about their surroundings. These sensors act like
                     the robot’s eyes, nose, ears, skin, etc., and are fitted by experts who design and

                     build them.

                     Mechanical  parts: Robots  can be  given  the  shape  of human  beings  or can be
                     designed  to suit  the task  they’re  required to  perform. Mechanical  parts include

                     motors, wheels and other parts that make it turn, lift and move in various ways to
                     complete its tasks. These are also called actuators.

                               CHARACTERISTICS OF ROBOTS

                     Robots  can  work in harsh  environments without  air or water, like in space,
                     underwater, and in volcanoes. The following are the characteristics of robots:

                       Consistency: Robots can work tirelessly.

                        Speed: They work at the same speed from beginning to end without taking any
                       breaks.
                        Safety: They are used in places and areas considered dangerous for humans.
                       They can be used for finding objects underwater and exploring other planets.

                        Accomplishment: Humans tend to make mistakes but robots are less likely to
                       make errors. They are designed to give accurate results.

                                                                                                Introduction to Robotics  113

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