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An approach to design controllers for MIMO fractional-order plants based on parameter optimization algorithm |
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| Affiliation: | 1. School of Information Science and Engineering, Northeastern University, Shenyang 110006, China;2. Shenyang City University, Shenyang 110112, China;1. BERG Faculty, Technical University of Kosice, Slovak Republic;2. Escuela de Ingenierías Industriales, Universidad de Extremadura, Badajoz, Spain;3. Control Group, Electrical Engineering Department, Sharif University of Technology, Tehran, Iran;4. School of Information Science and Engineering, Northeastern University, China;5. Mechatronics, Embedded Systems and Automation (MESA) Lab, School of Engineering, University of California, Merced;6. Department of Electrical Engineering, Sharif University of Technology, Tehran, Iran |
| Abstract: | The parameter optimization method for multivariable systems is extended to the controller design problems for multiple input multiple output (MIMO) square fractional-order plants. The algorithm can be applied to search for the optimal parameters of integer-order controllers for fractional-order plants with or without time delays. Two examples are given to present the controller design procedures for MIMO fractional-order systems. Simulation studies show that the integer-order controllers designed are robust to plant gain variations. |
| Keywords: | Fractional calculus Multivariable system Fractional-order control Parameter optimization Robust control |
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