An Improved Accurate Trajectory Control System for Industrial Hydraulic Robotic Arms
Journal Title: International Journal of Modern Engineering Research (IJMER) - Year 2014, Vol 4, Issue 10
Abstract
A PC based control system was developed in this work to control a hydraulic pick and place robotic arm with a high tracking accuracy. The hydraulic arm was designed, constructed and controlled through an electronic driver circuit designed by the author. The tracking control system is driven by computer software, the commands of which are connected to the arm by means of a data acquisition card to read the rotational angles of its parts and to actuate the driver circuit of its hydraulic system. The present hydraulic robot arm is controlled to carry out desired pick and place tasks. A smart control software program was designed and constructed by the author using C# programming language. The present software program is designed as a Graphical User Interface application, GUI, and therefore it can be easily operated by non-expert users. Inverse kinematics formulas, derived by the author, are processed by the software to convert the coordinates of the initial and object tracking points from Cartesian to Polar systems as needed. Experimental runs were carried out to verify the effectiveness and the accuracy of the present tracking arm. Experiments showed that nine of ten trials were successful to attain a predesigned accurate pick and place task, which is a good percentage, confirmed the high accuracy of the present tracking system
Authors and Affiliations
Osama A. Montasser
Keywords
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