A Robot can be defined as a programmable, self-controlled device consisting of electronic, electrical, or mechanical units. More generally, it is a machine that functions in place of a living agent. Robots are especially desirable for certain work functions because, unlike humans, they never get tired; they can endure physical conditions that are uncomfortable or even dangerous; they can operate in airless conditions; they do not get bored by repetition. The intent of this paper is to successfully engineer and construct an autonomous Mobile Robotic Arm that would exhibit sophisticated machine intelligence behaviors. I chose to build an autonomous PC propelled Mobile Robotic Arm based on interfacing through the parallel port. The interfacing circuit I used, enabled us to implement electronic tasking behaviors, and manipulation of DC motors.
Keywords: DC motor, PC-Propelled Vehicle, Robot, Demultiplexer
[...] Hidden field will contain the value as per the Figure 10: IR sensor through control The Infrared Transmitter and Receiver are used to stop the movement of the robotic arm when User wants . The IR transmitter sends the signal to the IR receiver whenever I want to stop the movement of the robotic arm by the switching the IR transmitter. The IR receiver takes the signal and then it is having one counter IC which count alternatively 0 and 1 so when IR receiver gets the bit it switch from 0 level to 1 level so that cause the relay on the receiver side to make it on when the signal is received. [...]
[...] user selects car forward operation then value passed in the hidden field is 1 and so depending on the value in hidden field, value passed through the socket connection will be 52; on input of which server will send pattern of bits on output port which will move the car forward IR SENSOR THROUGH CONTROL Figure Network through control The user anywhere in the world can control our robotic arm with the help of HTML, serves and Visual Basic as basic tools for the network communication between the remote user and the application running and controlling robotic arm. [...]
[...] MOBILE ROBOTIC ARM'S SHOULDER It provides functionality to move the robotic arm to an angle of 135 degree UP and DOWN on surface of the Mobile Robotic Arm Base. MOBILE ROBOTIC ARM'S GRIPPER It provides functionality to move the robotic arm to pick and place any object from one place to another BASIC DIAGRAM 4.1 PARALLEL PORT The 8 output bits of the parallel port are from pin no to 9 of the port which are given to demultiplexer according to the instruction by the user. [...]
[...] Figure Parallel port STATUS REGISTERS Figure Setup procedure of mobile robotic arm The voltage and current to drive the interfacing circuit and the Mobile robotic arm hardware, from the parallel port is not sufficient so I am using +15 V D.C. power supply unit SYSTEM STRUCTURE Parallel Port DeMult iplexer NOT Gate OPAMP S0 Input, S1 Input, S2 Input S3 Input, S4 Input D AXIS SELECTION BITS D3 D D A X IS Fr o nt W h ee l fo r wa r d Fr o ntW h eelb ac k war d B ase Ro ta tio n L e f t B ase Ro ta tio n R i g ht S ho uld er Up S ho uld er Do wn Motor Relay Transistor Figure Mobile Robotic Arm component The AXIS Selection bits table must be used in order to properly select which Robot Arm axis D.C. [...]
[...] Relay is electro magnetic switch .Here I am using 1-CO Relay which is having 5 pins, in which 1 line is NO (not open) and other line which is NC (not closed) MOTOR Figure Motor The main component of my robotic arm is motor. I am using +6V D.C. motor and Synchronous motor for different movements. For operating motor required voltage is 6V. When I give +6V to motor it rotates in clockwise direction and -6V to motor it rotates in anticlockwise direction NETWORK THROUGH CONTROL movement selected. [...]
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