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A Practical Controller Design for High Precision Motion System with Non-Friction Mechanism.

Chong, Shin Horng (2008) A Practical Controller Design for High Precision Motion System with Non-Friction Mechanism. In: International Conference of Positioning Technology Conference (ICPT), November 2008, HAMMAMATSU JAPAN .

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Abstract

This paper presents the design of a practical controller for high precision motion system with a non-friction mechanism. The non-friction mechanism has a simple structure and is often used for precision positioning. Controllers with the characteristics of ease of design, adjustment and without plant identification are paramount important especially in industry, in order to achieve the end objectives of high-precision motion control. For this aim, the current NCTF (Nominal Characteristic Trajectory Following) controller is improved and the suitable input signal is introduced. The overall control system is comprehensive, comprising of nominal characteristic trajectory (NCT) and PI compensator, which is free from exact modeling and parameter identification. Experimental verifications are performed using 1-DOF non-friction mechanism. The modified NCTF controller for continuous motion, as referred as Continuous Motion NCTF controller achieves the same positioning performance as the conventional NCTF controller and much better than PID controller. Sufficient continuous motion control performances are presented with the Continuous Motion NCTF controller compared to a PID and a conventional NCTF controller.

Item Type: Conference or Workshop Item (Paper)
Subjects: T Technology > TJ Mechanical engineering and machinery
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Electrical Engineering > Department of Control, Instrumentation & Automation
Depositing User: Dr Shin Horng Chong
Date Deposited: 05 Sep 2013 01:37
Last Modified: 28 May 2015 04:05
URI: http://eprints.utem.edu.my/id/eprint/9682

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