Intelli Voice Controlled Robo – A Hand for the Handicapped (Wheel Chair Automation)

This intellirobo is designed to help the handicapped person who moves on a wheel chair, instead of the handicapped person moves the wheel chair by his hand, the robo will automatically move to a particular direction as dictated by the person. Also the robo will sense the obstacles in front of it and changes the direction automatically.  The details regarding the construction of this robo includes the following

Model:

          A prototype model which symbolizes the wheel chair is constructed using the MS Sheet

Master Controller:

          A pic Micro controller will act as a master controller for the movement of the robot.  It is responsible for all the decisions taken by the robot.

Voice Controller:

          A voice said in front of the mic is converted to text by the Voice Recognition HM 2007 and is fed as a input to the controller, so the controller reacts to it.

Electronics Boards

OptoCoupler With Stepper Driver Board.

          The need of Optocoupler is to isolate the Interface Board form the Stepper Motor to restrict any high voltage to the Interface board.  And this board also contains stepper Driver circuit to amplify the Voltage and to withstand high current because the pulse coming out from the Interface is not tough enough to drive the Motor.

Stepper Power Supply.

          This board contains the power Supply for the stepper motor and relay driver.

Sensors for Artifical Intelligence

          The Art of putting some human brain into a Machine is Artificial Intelligence.  Sensors are provided to achieve this task.  For Eg. The robot and position itself when it finds some obstacle in its path, or Flame or hot Materials.

Software Driver in Hitech C

This is a software tool used to control the angular position i.e., to send specified pulses with controlled timing to vary the speed as when and where required.