Feedforward based two degrees of freedom formulation of the Virtual Reference Feedback Tuning approach

Rojas, José David; Vilanova, Ramón

doi:10.23919/ecc.2009.7074664

Cited by 6 publications

(4 citation statements)

References 10 publications

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“…These methods formulate the optimization problem in terms of the time-domain tracking error between the reference signal and the system output. It should be mentioned that the proposed FOPI control method ensures time-domain and frequency-domain specifications of determined system simultaneously, which may offer more robustness for the designed system. The traditional data-driven methods are used for the tuning of IOPI controller, including two degrees of freedom PI controller (Rojas and Vilanova, 2009), performance monitoring (Yin and Huang, 2015) and fault diagnosis (Hao et al, 2014; Wang et al, 2017). This paper explores model-free (also named data-driven) method for the FOPI controller tuning.…”

Section: Vrft-based Design Of Model-free Fopi Controller For Pmsm Systemmentioning

confidence: 99%

“…The traditional data-driven methods are used for the tuning of IOPI controller, including two degrees of freedom PI controller (Rojas and Vilanova, 2009), performance monitoring (Yin and Huang, 2015) and fault diagnosis (Hao et al, 2014; Wang et al, 2017). This paper explores model-free (also named data-driven) method for the FOPI controller tuning.…”

Section: Vrft-based Design Of Model-free Fopi Controller For Pmsm Systemmentioning

confidence: 99%

“…The challenge lies in the extra adjustable degree of freedom, which increases the tuning difficulties. Until now, VRFT has been applied for the tuning of IOPI controllers (Lecchini et al, 2002; Rojas and Vilanova, 2009). In fact, many real physical systems including PMSM servo systems are well characterized by fractional-order differential equations (Xie et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

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Model-free tuning strategy of fractional-order PI controller for speed regulation of permanent magnet synchronous motor

Xie

Tang

Song

et al. 2018

Transactions of the Institute of Measurement and Control

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This paper investigates a model-free tuning method of a fractional-order proportional–integral (FOPI) controller and its application for the speed regulation of a permanent magnet synchronous motor (PMSM). Firstly, the presented practical FOPI tuning method formulates the FOPI controller parameter identification problem via virtual reference feedback tuning (VRFT). Under the lack of accurate models, the proposed model-free method depends only on the measured input–output data of the closed-loop PMSM servo system. Secondly, Bode’s ideal transfer function is incorporated into the VRFT with consideration of the systematic fractional dynamics. Thus, the properties of the resulting system may be approximated to the desired fractional-order reference model. Thirdly, the proposed method fully considers optimal performance constraints on the stability requirements, sensitivity criteria, frequency-domain and time-domain characteristics. Then, the comprehensive optimization problem is derived and solved. Using suitably tuned parameters, the robustness and disturbance rejection ability of the VRFT-based FOPI control system are enhanced to achieve optimal performance. The convergence of the proposed method is proved by theoretical analysis. Finally, experimental results are presented to illustrate the effectiveness of the proposed model-free FOPI control method for the PMSM servo system.

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Section: Vrft-based Design Of Model-free Fopi Controller For Pmsm Systemmentioning

confidence: 99%

Section: Vrft-based Design Of Model-free Fopi Controller For Pmsm Systemmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Model-free tuning strategy of fractional-order PI controller for speed regulation of permanent magnet synchronous motor

Xie

Tang

Song

et al. 2018

Transactions of the Institute of Measurement and Control

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“…It also performs many experiments to update the controller parameters to minimize the performance index, so that it is not effective nor efficient to tune controller parameters, because it takes several times and costs. Campi et al [19] proposed virtual reference feedback tuning (VRFT); Lecchini et al [20] proposed 2DOF VRFT; Rojas et al [21] proposed a feedforward formulation of the VRFT method based on a 2DOF control configuration; and Gazdos et al [22] proposed a VRFT method for iterative controller design and fine tuning. VRFT uses a set of measured input/output data for the design of a controller with the desired structure, but without restrictions on data generation.…”

Section: Introductionmentioning

confidence: 99%

Fictitious Reference Iterative Tuning-Based Two-Degrees-of-Freedom Method for Permanent Magnet Synchronous Motor Speed Control Using FPGA for a High-Frequency SiC MOSFET InverterMOSFET Inverter

Harahap¹,

Hanamoto²

2016

Applied Sciences

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This paper proposes proportional-integral/proportional gain controller parameter tuning in a two-degrees-of-freedom (2DOF) control system using the fictitious reference iterative tuning (FRIT) method for permanent magnet synchronous motor (PMSM) speed control using a field-programmable gate array (FPGA) for a high-frequency SiC MOSFET (metal oxide semiconductor field-effect transistor) inverter. The PI-P (proportional-integral/proportional) controller parameters can be tuned using the FRIT method from one-shot experimental data without using a mathematical model of the plant. Particle swarm optimization is used for FRIT optimization. An inverter that uses a SiC MOSFET is presented to achieve high-frequency operation at up to100 kHz using a switching pulse-width modulation (PWM) technique. As a result, a high-responsivity and high-stability PMSM (permanent magnet synchronous motor) control system is achieved, where the speed response follows the ideal response characteristic for both the step response and the disturbance response. High-responsivity and optimal disturbance rejection can be achieved using the 2DOF control system. FPGA-based digital hardware control is used to maximize the switching frequency of the SiC MOSFET inverter. Finally, an experimental system is set up, and experimental results are presented to prove the viability of the proposed method.

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A New VRFT Approach for IMC-PID Feedback-Feedforward Controller Design based on Robustness

et al. 2020

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Feedforward based two degrees of freedom formulation of the Virtual Reference Feedback Tuning approach

Cited by 6 publications

References 10 publications

Model-free tuning strategy of fractional-order PI controller for speed regulation of permanent magnet synchronous motor

Model-free tuning strategy of fractional-order PI controller for speed regulation of permanent magnet synchronous motor

Fictitious Reference Iterative Tuning-Based Two-Degrees-of-Freedom Method for Permanent Magnet Synchronous Motor Speed Control Using FPGA for a High-Frequency SiC MOSFET InverterMOSFET Inverter

A New VRFT Approach for IMC-PID Feedback-Feedforward Controller Design based on Robustness

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