Tracking Performance Of NPID Controller For Cutting Force Disturbance Of Ball Screw Drive

Abdullah, Lokman and Anang, Nur Amira and Jamaludin, Zamberi and Chiew, Tsung Heng and Maharof, Madihah and Retas, Zain and Che Ku Junoh, Sahida and Syed Salim, Syed Najib (2017) Tracking Performance Of NPID Controller For Cutting Force Disturbance Of Ball Screw Drive. Journal of Mechanical Engineering and Sciences (JMES) , 11 (2). pp. 3227-3239. ISSN 2231-8380

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The high demand in tracking performance is crucial in machine tools application. Therefore,the purpose of this paper is to design a Nonlinear PID (NPID) controller for improvement of tracking performance via cutting force.The method was then compared with another method which was conventional PID controller. The configuration included different cutting force disturbances of 1500rpm, 2500rpm and 3500rpm. The parameters were set to 0.4Hz and 0.7Hz frequency for every 10mm and 20mm of amplitude, respectively.The investigation was centred on a comparative study of these two techniques which focused on x-axis of Googol Tech XY ball screw drive system. Results between the designed controllers were validated based on two types of errors; the maximum tracking error and root mean square error. Results showed that the NPID controller recorded better tracking performance compared to PID controller with an error reduction of about 33%. In addition,the results proved that NPID controller is highly practical and suitable to be used for ball screw drive. The controller can be further improved with the implementation of observer such as disturbance observer to compensate the cutting forces.

Item Type: Article
Uncontrolled Keywords: Ball screw drive system, Tracking performance, NPID, Cutting disturbance
Divisions: Faculty of Manufacturing Engineering
Depositing User: Mohd. Nazir Taib
Date Deposited: 22 May 2019 01:24
Last Modified: 06 Sep 2021 23:19
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