Anti-Windup Scheme for Practical Control of Positioning Systems

Authors

  • Wahyudi Tarig Faisal and Abdulgani Albagul Department of Mechatronics Engineering, International Islamic University, Malaysia, Jalan Gombak, 53100 Kuala Lumpur, Malaysia e-mail: wahyudi@iium.edu.my, albagul@iium.edu.my

DOI:

https://doi.org/10.31436/iiumej.v5i2.378

Abstract

Positioning systems generally need a good controller to achieve high accuracy, fast response and robustness. In addition, ease of controller design and simplicity of controller structure are very important for practical application.  For satisfying these requirements, nominal characteristic trajectory following controller (NCTF) has been proposed as a practical point-to-point (PTP) positioning control. However, the effect of actuator saturation can not be completely compensated for due to the integrator windup as the plant parameters vary. This paper presents a method to improve the NCTF controller for overcoming the problem of integrator windup using simple and classical tracking anti-windup scheme. The improved NCTF controller is evaluated through simulation using a rotary positioning system. The results show that the improved NCTF controller is adequate to compensate for the effect of integrator windup. 
Keywords: Positioning, point-to-point, integrator windup, compensation, controller, robustness.

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How to Cite

Tarig Faisal and Abdulgani Albagul, W. (1). Anti-Windup Scheme for Practical Control of Positioning Systems. IIUM Engineering Journal, 5(2). https://doi.org/10.31436/iiumej.v5i2.378

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