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Nowadays, asynchronous motors have wide range use in many industrial applications. Field oriented control (FOC) and direct torque control (DTC) are commonly used methods in high performance vector control for asynchronous motors. Therefore,…

Systems and Control · Computer Science 2016-10-12 Yılmaz Korkmaz , Fatih Korkmaz , İsmail Topaloglu , Hayati Mamur

Direct torque control is considered as one of the most efficient techniques for speed and/or position tracking control of induction motor drives. However, this control scheme has several drawbacks: the switching frequency may exceed the…

Systems and Control · Computer Science 2012-09-07 Jean Thomas , Anders Hansson

Direct Torque Control (DTC) is well known as an effective control technique for high performance drives in a wide variety of industrial applications and conventional DTC technique uses two constant reference value: torque and stator flux.…

Systems and Control · Computer Science 2012-12-04 Fatih Korkmaz , M. Faruk Cakir , Yilmaz Korkmaz , Ismail Topaloglu

The induction motors have wide range of applications for due to its well-known advantages like brushless structures, low costs and robust performances. Over the past years, many kind of control methods are proposed for the induction motors…

Systems and Control · Computer Science 2015-08-07 Fatih Korkmaz , İsmail Topaloğlu , Hayati Mamur

A rapid deployment of renewable generation has led to significant reduction in the rotational system inertia and damping, thus making frequency control in power systems more challenging. This paper proposes a novel control scheme based on…

Systems and Control · Electrical Eng. & Systems 2020-04-07 Ognjen Stanojev , Uros Markovic , Petros Aristidou , Gabriela Hug , Duncan Callaway , Evangelos Vrettos

The Direct Torque Control (DTC) is well known as an effective control technique for high performance drives in a wide variety of industrial applications and conventional DTC technique uses two constant reference value: torque and stator…

Artificial Intelligence · Computer Science 2012-12-04 Fatih Korkmaz , M. Faruk Cakir , Yilmaz Korkmaz , Ismail Topaloglu

In this study, a new approach based on adaptive dynamic programming (ADP) is proposed to control permanent magnet synchronous motors (PMSMs). The objective of this paper is to control the torque and consequently the speed of a PMSM when an…

Systems and Control · Electrical Eng. & Systems 2020-08-19 Ataollah Gogani Khiabani , Ali Heydari

High-voltage direct current (HVDC) is a commonly used technology for long-distance power transmission, due to its low resistive losses and low costs. In this paper, a novel distributed controller for multi-terminal HVDC (MTDC) systems is…

Optimization and Control · Mathematics 2014-10-01 Martin Andreasson , Mohammad Nazari , Dimos V. Dimarogonas , Henrik Sandberg , Karl H. Johansson , Mehrdad Ghandhari

The current paper presents a Sliding Mode Controller (SMC) for indirect field-oriented Cascaded Doubly Fed Induction Generator (CDFIG) powered through a Matrix Converter (MC). The proposed SMC employs a continuous control strategy to…

Systems and Control · Electrical Eng. & Systems 2022-08-25 A. Maafa , H. Mellah , K. Ghedamsi , D. Aouzellag

This paper presents a Direct Mapped Method (DMM) for real-time simulation of high switching frequency resonant converters. The DMM links state variables to diode statuses and provides an exact and noniterative solution to network equations.…

Systems and Control · Electrical Eng. & Systems 2020-06-09 Hossein Chalangar , Tarek Ould-Bachir , Keyhan Sheshyekani , Jean Mahseredjian

Complex droop control, alternatively known as dispatchable virtual oscillator control (dVOC), stands out for its unique capabilities in synchronization and voltage stabilization among existing control strategies for grid-forming converters.…

Systems and Control · Electrical Eng. & Systems 2024-08-23 Roger Domingo-Enrich , Xiuqiang He , Verena Häberle , Florian Dörfler

For enhancing power flow control in power transmission, a simplified new structure of direct power flow controller with continuous full regulation range (F-DPFC) was proposed. It has only one-stage power conversion and comprises of a…

Signal Processing · Electrical Eng. & Systems 2023-07-31 Chong Yao , Youjun Zhang

A model predictive control (MPC) scheme for a permanent-magnet synchronous motor (PMSM) is presented. The torque controller optimizes a quadratic cost consisting of control error and machine losses repeatedly, accounting the voltage and…

Systems and Control · Computer Science 2013-01-01 Jean-Francois Stumper , Alexander Dötlinger , Ralph Kennel

Multi-terminal high-voltage Direct Current technology based on Voltage-Source Converter stations (VSC-MTDC) is expected to be one of the most important contributors to the future of electric power systems. In fact, among other features, it…

Systems and Control · Electrical Eng. & Systems 2022-08-02 Javier Renedo , Luis Rouco , Aurelio Garcia-Cerrada , Lukas Sigrist

This paper proposes a high-speed transceiver-based method for implementing a digital-to-time converter (DTC). A real-time decoding technique is introduced to inject time information into high-speed pattern data. The stability of the…

Signal Processing · Electrical Eng. & Systems 2024-12-11 Dexuan Kong , Zaiming Fu , Yujie Deng , Ruiqi Wang

In this paper we propose a distributed dynamic controller for sharing frequency control reserves of asynchronous AC systems connected through a multi-terminal HVDC (MTDC) grid. We derive sufficient stability conditions, which guarantee that…

Optimization and Control · Mathematics 2015-12-15 Martin Andreasson , Roger Wiget , Dimos V. Dimarogonas , Karl H. Johansson , Göran Andersson

There is a trade-off between transient performance and line current distortion of the DC bus voltage control of single-phase grid-connected voltage source converters. This paper presents an improved DC bus voltage control scheme of such…

Systems and Control · Electrical Eng. & Systems 2022-03-30 Sakda Somkun , Viboon Chunkag

To address the control challenges associated with the increasing share of inverter-connected renewable energy resources, this paper proposes a direct data-driven approach for fast frequency control in the bulk power system. The proposed…

Systems and Control · Electrical Eng. & Systems 2023-04-12 Etinosa Ekomwenrenren , John W. Simpson-Porco , Evangelos Farantatos , Mahendra Patel , Aboutaleb Haddadi , Lin Zhu

Interior permanent magnet synchronous machine drives are widely employed in electric traction systems and various industrial processes. However, prolonged exposure to high temperatures while operating can demagnetize the permanent magnets…

Systems and Control · Electrical Eng. & Systems 2021-06-18 Shen Zhang , Sufei Li , Lijun He , Jose A. Restrepo , Thomas G. Habetler

The computational power of mobile robots is currently insufficient to achieve torque level whole-body Model Predictive Control (MPC) at the update rates required for complex dynamic systems such as legged robots. This problem is commonly…

Robotics · Computer Science 2019-08-12 Ruben Grandia , Farbod Farshidian , René Ranftl , Marco Hutter
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