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Controller

                  Human  beings  and  animals  sense  their  surroundings  through  their  sense  organs  and  then  react
                  accordingly based on the sense organs’ feedback. Robots use the similar response system to that
                  of humans, known as the feedback system. The CPU of a robot does the same thing based on data
                  collected by its sensors.
























                  There are mainly two types of controllers that determine the robot’s behaviour. They are:

                      Simple Controller: Pre-Programmed robots use the simplest form of controller. These controllers
                     repeat the same operation over and over. Pre-Programmed robots are insensitive to their changing
                     environment. Car manufacturing robots are such kinds of robots.
                      Strong Sensory Controller: Autonomous  robots  are  intelligent  and  change  their  response
                     according to their ever-changing environment. These robots have advanced sensory tools that
                     allow them to detect changes in their surroundings. Humanoids, astronaut robots and robots
                     used in the educational and medical fields come under this category.

                  Sensors

                  Without  the  data  supplied by  the  sense  organs,  the  human  brain  cannot  perform  intelligently
                  in  any  given situation. Similarly,  controllers  would  be unable  to  perform  if the  robot’s
                  sensors  do  not  constantly  feed  the  controller  about  their  position,  force,  temperature,  etc.


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