MECHATRONIC SOLUTION FOR LOW COST CLOSED LOOP CONTROL OF PNEUMATIC CYLINDER FOR ACCURATE POSITION CONTROL WITH ON-OFF SOLENOID CONTROL DIRECTION CONTROL VALVE

Tejas Maniar; Mansi P. Kothari

MECHATRONIC SOLUTION FOR LOW COST CLOSED LOOP CONTROL OF PNEUMATIC CYLINDER FOR ACCURATE POSITION CONTROL WITH ON-OFF SOLENOID CONTROL DIRECTION CONTROL VALVE

Authors: Tejas Maniar, Mansi P. Kothari

Unique Paper ID: 162956
Volume: 5
Issue: 4
PageNo: 405-408

Keywords: No Keywords Found

Abstract:
Most vital part of the automation is the control of the automatically operated devices. Basic forms of automation are Hydraulics, Pneumatics, Electronics, Electrical and Mechanically operated automatic systems. Out of these systems the cheapest system is pneumatic system and also it is less intricate system. It can be readily used anywhere but the inherent limitation of the automation available through this system is the lack of perfect control especially for position and velocity control. This problem prevails due to the typical characteristics of the air defined as compressibility. Air being the medium for transmitting the motion not controllable due to compressibility. Modern studies propose to achieve similar performances to that of conventional systems (hydraulics & electric) servo pneumatics system, that overcome the problem encountered in controlling these actuators by using advance control techniques. Application of pneumatic circuits are vital for position control in case of transferring fluid, robotic manipulators and it can be extended in many applications where they are not being used because of the inherent incapabilities of air. On the other hand, it is a complex task to model pneumatic system as they are highly non-linear, subjected to high level of friction with stiction and also due to compressibility of air, which cannot be neglected, especially during slow movement. These non-linearities make accurate position control of pneumatics actuator more difficult; as a consequence, control algorithms are more complex than other system. There are lots of research work is going on for development of servo pneumatic system for position control, Many of them has got success using expensive servo valve. The objective of the paper is to develop inexpensive system for position control of pneumatic actuator using simple direction control valves. The servo valves are very costlier than stepper motor operated flow control valve and also servo valve tend to bulky compared to compact and lightweight stepper motor operated flow control valve. Some researchers have tried to achieve inexpensive position control of pneumatic actuator using ON/OFF solenoid valve. But by ON/OFF solenoid valve method fine contro

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ISSN: 2349-6002
Volume: 5
Issue: 4
PageNo: 405-408

MECHATRONIC SOLUTION FOR LOW COST CLOSED LOOP CONTROL OF PNEUMATIC CYLINDER FOR ACCURATE POSITION CONTROL WITH ON-OFF SOLENOID CONTROL DIRECTION CONTROL VALVE

Available:https://ijirt.org/Article?manuscript=162956

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