Digital Realization of Retuning Fractional-Order Controllers for an Existing Closed-Loop Control System

被引：5
作者：
Tepljakov, Aleksei [1 ]
Petlenkov, Eduard [1 ]
Gonzalez, Emmanuel [2 ]
Belikov, Juri [3 ]
机构：
[1] Tallinn Univ Technol, Sch Informat Technol, Dept Comp Syst, Ehitajate Tee 5, EE-19086 Tallinn, Estonia
[2] Jardine Schindler Elevator Corp, Existing Installat Dept, 8-F Pacific Star Bldg,Sen Gil Puyat Ave, Makati 1209, Philippines
[3] Technion Israel Inst Technol, Fac Mech Engn, IL-3200003 Haifa, Israel
来源：
JOURNAL OF CIRCUITS SYSTEMS AND COMPUTERS | 2017年 / 26卷 / 10期
关键词：
Fractional calculus; PID controller; closed-loop control; retuning control; magnetic levitation;
D O I：
10.1142/S0218126617501651
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
In the present paper, the problem of digital implementation of retuning fractional-order (FO) controllers for an unstable plant-a real-life laboratory model of a Magnetic Levitation System (MLS) - is investigated. Retuning control is applied to an existing closed-loop PID control system through the use of a hardware FO controller prototype. An implementation method for the retuning controller is proposed. Three types of hardware-in-the-loop (HIL) experiments are considered. First, the plant is simulated using a suitable dynamic model. Second, the real-life laboratory model of the MLS is controlled. In the third type of experiment, a MATLAB implementation of the retuning controller is evaluated as a benchmark. Three controllers obtained in an earlier work are tested with this setup. Experimental results are compared and discussed.
引用
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页数：26
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