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All Journal International Journal of Electrical and Computer Engineering Journal of Robotics and Control (JRC)
Thuyen, Chau Minh
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Aerospace Engineering Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Mechanical Engineering

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A combined control method of supply harmonic current and source harmonic voltage for series hybrid active power filter Thuyen, Chau Minh; Nguyen, Hoai Thuong; Thao, Phan Thi Bich
International Journal of Electrical and Computer Engineering (IJECE) Vol 14, No 6: December 2024
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijece.v14i6.pp6057-6065

Abstract

The series hybrid active power filter (SHAPF) is known as a very effective harmonic filtering model in power systems. Typically, SHAPF is controlled by a control method based either on the harmonic voltage of the load or on the supply harmonic current. However, the above two methods have the disadvantage of requiring the control coefficient much be large enough, which easily causes system instability. Therefore, this paper presents a new control method for SHAPF. It is a combined control method of the supply harmonic current and the source harmonic voltage. The advantage of the proposed method is the ability to reduce the total harmonic distortion of the supply current and voltage applied to the load with a control coefficient that is not too large. A fuzzy-proportional integral controller is designed for the proposed control method to reduce the compensation error in steady state under variable load conditions. Mathematical models and simulation results have demonstrated the effectiveness of the proposed method in reducing the total harmonic distortion of the supply current, voltage applied to the load and minimize the compensation error at steady state.
Three-phase hybrid active power filter: an overview Binh, Le Quang; Thuyen, Chau Minh
International Journal of Electrical and Computer Engineering (IJECE) Vol 15, No 2: April 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijece.v15i2.pp1361-1371

Abstract

Hybrid active power filter (HAPF) is considered an effective solution for filtering harmonics and compensating reactive power in power systems. It is a combination of passive power filters and an active power filter to form many different structures depending on the system voltage and load characteristics. This paper aims to introduce an overall picture of the results of research on three-phase HAPF systems, such as: HAPF models, advantages, disadvantages, and scope of application of each model; methods for determining parameters of passive power filters; structure, response time, resonance, power loss and cost of types of output filters; inverter structure and commonly used pulse width modulation methods in HAPF; control strategies and used controllers are also listed and compared; the DC Link voltage stabilization is also summarized and analyzed. Finally, the existing problems and the development trends of HAPF.
Improving PMSM Control Based on Optimizing the Output Membership Function of Fuzzy PI Controller with Weighted Modified Jaya Algorithm Khanh, Pham Quoc; Anh, Ho Pham Huy; Thuyen, Chau Minh
Journal of Robotics and Control (JRC) Vol. 6 No. 4 (2025)
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/jrc.v6i4.27080

Abstract

Electric vehicle manufacturers prefer permanent magnet synchronous motors for their drive systems because of their high efficiency and power density. PI controllers are ineffective in variable speed drives because they are only linearized to operate within a specific range. One of the solutions applied is to use fuzzy PI controllers instead of PI controllers. When using fuzzy controllers, the designer must be able to adjust the controller parameters to ensure the required control efficiency. There are many ways to improve the control quality of a fuzzy PI controller, such as changing the fuzzification and defuzzification coefficients, the fuzzy rules, the type of membership function, and the shape of the output membership function. In this paper, the method of changing the shape of the output membership function of the speed controller based on the fuzzy PI controller is used to improve the speed control quality of the PMSM motor. The Jaya algorithm and its variants have proven effective in recent publications. In this paper, the Jaya algorithm is supplemented with hybrid weights when targeting the best and worst values in the proposed population to determine the optimal shape of the output membership function implemented by the proposed weighted modified Jaya optimization algorithm. Experimental results on the physical model show the effectiveness of improving the quality of motor speed control when applying the proposed optimization algorithm compared with the basic fuzzy controller based on error assessment criteria such as integral time absolute error (ITAE), integral square error (ISE), and integral absolute error (IAE).
Co-Authors Anh, Ho Pham Huy Binh, Le Quang Khanh, Pham Quoc Nguyen, Hoai Thuong Thao, Phan Thi Bich