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Relevant bibliographies by topics / DQ control method

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Journal articles

Academic literature on the topic 'DQ control method'

Author: Grafiati

Published: 4 June 2021

Last updated: 14 February 2022

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Journal articles on the topic "DQ control method"

1

Cao, Yan Ling, Ping Cao, and Yan Dong Wen. "Inductance Measurement for PMSM Using Instantaneous Flux Linkage Method." Applied Mechanics and Materials 685 (October 2014): 393–96. http://dx.doi.org/10.4028/www.scientific.net/amm.685.393.

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The dq-axis inductances are important for the voltage decoupling control, torque estimation and steady-state performance analysis of a PMSM machine. In this paper, a measurement method is proposed based on the dq-axis instantaneous flux linkages calculation. The rotor is locked by a positive d-axis current, and then a proper AC current is assigned respectively to the d and q-axis reference current in order to cover the various current ranges. The instantaneous flux linkages are calculated by the integration of dq-axis current and voltage offline. Finally, dq-axis inductances are computed by th

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2

Son, Dong-Kyun, Soon-Ho Kwon, Dong-Ok Kim, Hee-Sue Song, and Geun-Ho Lee. "Control Comparison for the Coordinate Transformation of an Asymmetric Dual Three Phase Synchronous Motor in Healthy and Single-Phase Open Fault States." Energies 14, no. 6 (2021): 1735. http://dx.doi.org/10.3390/en14061735.

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The coordinate transformation method of asymmetric dual three phase synchronous motor (ADTP-SM) is a Double dq transform using two dq-axes and a vector space decomposition (VSD) model method using the orthogonality of ADTP-SM. There are several studies comparing the two methods in a healthy state, but few in a single-phase open fault state. In the healthy, when the VSD model is applied, different harmonic orders of the phase current are projected onto the dq and xy-axes (the axis for controlling harmonics of the phase current), and the two-axes are orthogonal, so it can be controlled stably. I

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3

Yang, Daliang, Li Yin, Shengguang Xu, and Ning Wu. "Power and Voltage Control for Single-Phase Cascaded H-Bridge Multilevel Converters under Unbalanced Loads." Energies 11, no. 9 (2018): 2435. http://dx.doi.org/10.3390/en11092435.

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The conventional control method for a single-phase cascaded H-bridge (CHB) multilevel converter is vector (dq) control; however, dq control requires complicated calculations and additional time delays. This paper presents a novel power control strategy for the CHB multilevel converter. A power-based dc-link voltage balance control is also proposed for unbalanced load conditions. The new control method is designed in a virtual αβ stationary reference frame without coordinate transformation or phase-locked loop (PLL) to avoid the potential issues related to computational complexity. Because only

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4

Liu, Fang, Haotian Li, Ling Liu, Runmin Zou, and Kangzhi Liu. "A Control Method for IPMSM Based on Active Disturbance Rejection Control and Model Predictive Control." Mathematics 9, no. 7 (2021): 760. http://dx.doi.org/10.3390/math9070760.

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In this paper, the speed tracking problem of the interior permanent magnet synchronous motor (IPMSM) of an electric vehicle is studied. A cascade speed control strategy based on active disturbance rejection control (ADRC) and a current control strategy based on improved duty cycle finite control set model predictive control (FCSMPC) are proposed, both of which can reduce torque ripple and current ripple as well as the computational burden. First of all, in the linearization process, some nonlinear terms are added into the control signal for voltage compensation, which can reduce the order of t

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5

Li, Qiao, Dong Jiang, Yechi Zhang, and Zicheng Liu. "The Impact of VSFPWM on DQ Current Control and a Compensation Method." IEEE Transactions on Power Electronics 36, no. 3 (2021): 3563–72. http://dx.doi.org/10.1109/tpel.2020.3017776.

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6

Wang, Yu Feng, Guang Ye Liu, Xiao Guo Lv, and Zhong Chu Wang. "The Simulation of APF Based on Three-Phase VSI." Applied Mechanics and Materials 397-400 (September 2013): 1901–5. http://dx.doi.org/10.4028/www.scientific.net/amm.397-400.1901.

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In order to restrain harmonic pollution of power grid, the structure and control strategy of APF was researched. The structural parameters and method of direct current control of the most widely used APF with three-phase VSI was discussed. Decoupling control of active and reactive current on the dq plane was realized by dq transforming. Harmonic of load current was detected by Ip-Iq algorithm based on the instantaneous reactive power theory. Double closed-loop control was applied and PWM drive signals of IGBT were got through comparison of triangle wave and modulation wave. The simulation resu

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7

Kang, Wei, Li Xia Zhang, and Zhen Lei. "Double Closed-Loop Control System of Bi-Direction Current Source Inverter." Advanced Materials Research 204-210 (February 2011): 699–703. http://dx.doi.org/10.4028/www.scientific.net/amr.204-210.699.

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The double closed-loop control system of current source SPWM inverter (CSI) is designed to meet the need of battery pack testing system. The battery pack has tiny inner resistance, back electromotive force and it acted as a comparative load which made the control system hard to design. The control system aimed at the specialty of the battery pack load and put forward a loop-locked control method based on dq coordinate conversion of CSI. Typical I and II control system is adopted to get a better performance. It increases the transform efficiency by SPWM and gets high power factor and high dynam

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8

Otkun, Özcan, R. Özgür Doğan, and A. Sefa Akpinar. "Performance Analysis of Linear Permanent Magnets Synchronous Motor by Scalar Control Method (v/f)." Applied Mechanics and Materials 666 (October 2014): 199–202. http://dx.doi.org/10.4028/www.scientific.net/amm.666.199.

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This study is conducted to improve the performance of Linear Permanent Magnet Synchronous Motor by using Scalar Control Method. To do this, open and closed loop control methods are used. The study is modeled with MATLAB / SIMULINK. Firstly, the Simulink model has been developed by using equations dq axis system of the motor. Then, a scalar control method is modeled. Thirdly, open and closed loop control forms are modeled. From these models, current, thrust force, and speed graphs were obtained. It is seen on the graphs, the motor's closed loop PID control at scalar control method provide posit

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9

Abad, Gonzalo, Alain Sanchez-Ruiz, Juan José Valera-García, and Aritz Milikua. "Analysis and Design Guidelines for Current Control Loops of Grid-Connected Converters Based on Mathematical Models." Energies 13, no. 21 (2020): 5849. http://dx.doi.org/10.3390/en13215849.

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Having a method for analyzing and designing regulators of controls that contain many current loops such as active filters is not a trivial task. There can be many parameters of regulators and filters that must be carefully selected in order to fulfill certain desired requirements. For instance, these can be stability, dynamic response, robustness under uncertainty of parameters, and rejection capability to switching harmonics. Hence, this paper provides general analysis guidelines for designing current control loops by using mathematical models in an αβ reference frame. Then, by using the prop

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10

Zhao, Zhang Le, You Bing Zhang, and Jun Qi. "Dynamic Simulation for Grid-Connected Inverters of Distributed Generation Based on DIgSILENT Software." Applied Mechanics and Materials 291-294 (February 2013): 2042–46. http://dx.doi.org/10.4028/www.scientific.net/amm.291-294.2042.

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This paper introduces some typical control methods for the grid-connected inverters in the distributed generation (DG) systems, the double-loop control strategy is focused on and analyzed in detail. The proposed outer-loop control strategies are summarized. Meanwhile, the inner-loop control method established on dq rotating frame is introduced. The simulation models of the inverters for DG in the DIgSILENT software are introduced, and the simulations for the proposed control strategies are realized.

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