Abstract
TA mobile robotic arm that can be controlled using computer is proposed in this paper. For PC based controller, a graphical user interface (GUI) software was used to provide control capability on the mobile robot developed using Visual Basic. The PC is connected to the mobile robot via serial port (RS232). The mobile robot also can be controlled using our portable control box. For hardware interfacing, Programmable Interface Controller (PIC) was used. The PIC receives the signal from the PC to provide motion control on the mobile robot. This PIC acts like analyzer that will analyze a serial signal from PC and produce a PWM (Pulse Width Modulation) combined with Electronic Speed Controller (ESC) that has high current spec to control high power motor. All of thees combinations were used to control motor speed. It has been shown that the designed robot can grip up to 500 grams load. The robotic arm can be used in multi-purpose applications such as in industrial manufacturing and servicing robot.
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