A self detection and compensation of actuator backlash in the framework of constrained MPC design

Zabiri, H. and Samyudia, Y. (2004) A self detection and compensation of actuator backlash in the framework of constrained MPC design. In: UNSPECIFIED.

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Abstract

In this paper, we present a so-called self detection and estimation scheme for the on-line implementation of our Mixed Integer Quadratic Programming (MIQP)-based design of MPC, which addresses simultaneously the actuator saturation and backlash nonlinearity. The estimation scheme is required to determine a set of design parameters required by the MIQP-based MPC for compensating for the backlash effect. The scheme automatically locates the backlash in actuators, and then estimates the size of its dead-band, from the on-line measurements of plant inputs. We illustrate the application of the proposed method to the control of composition and liquid levels in a paper machine head-box system, where the MIQP-based MPC design equipped with the on-line detection and estimation scheme is able to compensate for the backlash effects, and then to regain its nominal performance in the presence of actuator backlash.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Additional Information: cited By 2; Conference of 2004 5th Asian Control Conference ; Conference Date: 20 July 2004 Through 23 July 2004; Conference Code:64524
Uncontrolled Keywords: Actuators; Estimation; Nonlinear control systems; Online systems; Process control; Quadratic programming; Uncertain systems, Actuator saturation; Backlash nonlinearity; Mixed integer quadratic programming (MIQP); Model predictive control (MPC), Predictive control systems
Depositing User: Mr Ahmad Suhairi UTP
Date Deposited: 09 Nov 2023 15:10
Last Modified: 09 Nov 2023 15:10
URI: https://khub.utp.edu.my/scholars/id/eprint/36

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