Control
Design of optimal sliding mode control based on linear matrix inequality for fractional time-varying delay systems

Mohammad Ghamgosar; Seyed Mehdi Mirhosseini-Alizamini; Mahmood Dadkhah

Articles in Press, Accepted Manuscript, Available Online from 25 November 2022

https://doi.org/10.22111/ieco.2022.42132.1423

Abstract
  This paper considers an optimal sliding mode control based on the cost control guaranteed approach using the linear quadratic regulator method to stabilize delay fractional under involved disturbance. We propose an approach to an open research problem in the design of an LMI-based sliding mode controller ...  Read More

Control
Simplified and Accurate Predictive Control Method in Mono-Inverter Dual-Parallel Permanent Magnet Synchronous Motors

Mehdi Fadaie; Karim Abbaszadeh; Alireza Siadatan

Volume 5, Issue 3 , October 2022, , Pages 251-260

https://doi.org/10.22111/ieco.2022.41196.1405

Abstract
  Mono-Inverter Dual Parallel (MIDP) motors in transportation systems are the most effective method to manage energy consumption and reduce the volume, weight, and cost of electric motor drives. Unbalancing the load torques and changing the speed in unequal loading are the main problems in these systems. ...  Read More

Control
An Enhanced Distributed State Feedback for Secondary Control in an Islanded Microgrid

Morteza Alizadeh; Hossein Askarian Abyaneh; Alireza Bakhshai; Naser Khodabakhshi Javinani

Volume 5, Issue 2 , June 2022, , Pages 123-132

https://doi.org/10.22111/ieco.2022.41076.1403

Abstract
  This paper applies a new state feedback control to a distributed secondary voltage and frequency control in an islanded microgrid. The problem is focused on the output consensus of the multi-agent systems, which is converted to a first-order dynamic system. The inverter-based distributed generations ...  Read More

Control
Leader-Follower Formation Control of Uncertain USV Networks under Stochastic Disturbances

Ali Azarbahram; Naser Pariz; Mohammad Bagher Naghibi-Sistani; Reihaneh Kardehi Moghaddam

Volume 5, Issue 2 , June 2022, , Pages 133-142

https://doi.org/10.22111/ieco.2022.37987.1346

Abstract
  The robust adaptive leader-follower formation control of uncertain unmanned surface vehicles (USVs) subject to stochastic environmental loads is investigated in this paper. The stochastic additive noises are included in the kinematics which stands for the un-modeled dynamics and uncertainty. The disturbances ...  Read More

Control
An Electrical Energy Regeneration Scheme for Energy Harvesting From a Vibration Absorption System in Tall Buildings

Amir Abolmasoumi; Seyed Mohamad Ali Beladi Pour; Mahdi Soleymani; Mazdak Ebadi

Volume 5, Issue 2 , June 2022, , Pages 167-176

https://doi.org/10.22111/ieco.2022.41487.1412

Abstract
  Electrical energy regeneration and storage in a tall structure with the installed passive pendulum tuned mass and damper (PPTMD) is investigated. While the passive vibration absorbing system works as an energy harvesting device, an electrical system including an electric motor, power electronic converters, ...  Read More

Control
Introducing a New Optimized Emergency Demand Side Management Method to Restore the Power System Frequency

Pezhvak Sheikhzadeh-Baboli; Mohsen Assili

Volume 5, Issue 1 , March 2022, , Pages 1-9

https://doi.org/10.22111/ieco.2021.38373.1350

Abstract
  Emergency demand response (EDR) and under frequency load shedding (UFLS) are used as two separate methods for frequency restoration of power system after the usual methods of frequency control are not able to maintain the frequency stability of the system. This paper proposes the optimized emergency ...  Read More

Control
Event-triggered Predictive Networked Control Systems with Network Imperfections and External Disturbance

Beheshte Sadeghi Sabzevari; Mohammad Haddad Zarif; Seyed Kamal Hosseini Sani

Volume 5, Issue 1 , March 2022, , Pages 11-22

https://doi.org/10.22111/ieco.2020.35092.1295

Abstract
  This paper presents a novel event-triggered predictive control (ETPC) approach for the stabilization of discrete-time output-feedback networked control systems (NCSs). The studied NCS is considered to be subject to both random external input and output disturbances, and network imperfections including ...  Read More

Control
Identification of Switched ARX Systems using an Iterative Weighted Least Squares Algorithm

Hamed Torabi; Hadi Keshvari-Khor

Volume 5, Issue 1 , March 2022, , Pages 23-30

https://doi.org/10.22111/ieco.2021.38734.1358

Abstract
  This paper presents a new algorithm for the identification of a specific class of hybrid systems. Hybrid System identification is a challenging problem since it involves the estimation of discrete and continuous states simultaneously. Using the method known as product of errors, this problem could be ...  Read More

Control
Adaptive fuzzy fractional-order fast terminal sliding mode control for a class of uncertain nonlinear systems

Amir Razzaghian; Reihaneh Kardehi Moghaddam; Naser Pariz

Volume 5, Issue 1 , March 2022, , Pages 77-87

https://doi.org/10.22111/ieco.2022.38930.1364

Abstract
  The paper introduces a novel adaptive fuzzy fractional-order (FO) fast terminal sliding mode control procedure for a class of nonlinear systems in the presence of uncertainties and external disturbances. For this purpose, firstly, using fractional calculus, a new FO nonlinear sliding surface is proposed ...  Read More

Control
A New Event-Triggered Consensus Control for Microgrids

Razieh Heidari; Alimorad Khajehzadeh; Mahdiyeh Eslami

Volume 4, Issue 4 , November 2021, , Pages 387-396

https://doi.org/10.22111/ieco.2021.36693.1324

Abstract
  In this paper, an adaptive event-triggered consensus problem considering the time delay of the communication network is studied for heterogeneous multi-agent systems. An event-triggered interval is here considered as a specific delay and unified round trip time (RTT) delay. Furthermore, an efficient ...  Read More

Control
Optimal Charging/Discharging Control of Electric Vehicle Charging Station Considering Grid Resiliency

Emad Hadian; Hamidreza Akbari; Mehdi Farzinfar; Seyed Amin Saeed

Volume 4, Issue 4 , November 2021, , Pages 453-464

https://doi.org/10.22111/ieco.2021.37211.1335

Abstract
  Management and control of charging/discharging of Electric vehicles (EVs) with the aim of profitability for the Distribution System Operator (DSO) and the private sector is one of the challenges in operating Electric vehicles Charging Stations (EVCS). This paper proposes a novel methodology for optimal ...  Read More

Control
An Operational Matrix Method Based on the Gegenbauer Polynomials for Solving a Class of Fractional Optimal Control Problems

Farzaneh Soufivand; Fahimeh Soltanian; Kamal Mamehrashi

Volume 4, Issue 4 , November 2021, , Pages 475-484

https://doi.org/10.22111/ieco.2021.39546.1371

Abstract
  One of the most important classes of fractional calculus is the fractional optimal control problem (FOCP), which arises in engineering. This study presents a direct and efficient numerical method for solving a class of (FOCPs) in which the fractional derivative is in the Caputo sense and the dynamic ...  Read More

Control
Robust Sliding Mode-based UPQC for Transient Conditions in Weak/ Islanded Networks

Omid Moradi; Saeed Abazari; Nima Mahdian

Volume 4, Issue 3 , August 2021, , Pages 267-276

https://doi.org/10.22111/ieco.2020.35963.1308

Abstract
  This paper proposes a nonlinear model by an optimal stabilizing controller for weak/islanded grids using a unified power quality conditioner (UPQC). The UPQC can be employed to stabilize a grid-tie inverter (GTI) or a synchronous generator (SG) with minimum control effort. The idea that GTI behavior ...  Read More

Control
A Discussion on the Existence of Smooth Lyapunov Functions for Continuous Stable Systems

Majid Akbarian; Naser Pariz

Volume 4, Issue 3 , August 2021, , Pages 333-340

https://doi.org/10.22111/ieco.2021.35409.1300

Abstract
  Lyapunov's theorem is the basic criteria to establish the stability properties of the nonlinear dynamical systems. In this method, it is a necessity to find the positive definite functions with negative definite or negative semi-definite derivative. These functions that named Lyapunov functions, form ...  Read More

Control
Chaos Synchronization in Josephson Junction Using a Nonlinear Model Predictive Controller Based on Particle Filter: Processor in the Loop Implementation

Aylar Khooshehmehri; Saeed Nasrollahi; Morteza Aliyari

Volume 4, Issue 3 , August 2021, , Pages 355-366

https://doi.org/10.22111/ieco.2021.36978.1329

Abstract
  In this paper, a model predictive control approach based on a generic particle filter is proposed to synchronize two Josephson junction models with different parameters. For this purpose, an appropriate objective function is defined to assess the particles within the state space. This objective function ...  Read More

Control
Multi channels sEMG-based joint angles estimation of lower limbs utilizing bidirectional recurrent neural network

Rohollah Hasanzadeh Fereydooni; Hassan Siahkali; Heidar Ali Shayanfar; Amir Hooshang Mazinan

Volume 4, Issue 2 , April 2021, , Pages 157-165

https://doi.org/10.22111/ieco.2020.33929.1263

Abstract
  Nowadays, rehabilitative robots that have received more attention in the field of rehabilitation can help patients in the rehabilitation training and reduce therapist workload. This paper suggests the use of surface electromyography (sEMG) signals and a bidirectional neural network (BRNN) for the estimation ...  Read More

Control
RF source localization using obstacles map and reflections

Saeid Haidari; Hadi Moradi; Seyyed.M.M Dehghan

Volume 4, Issue 2 , April 2021, , Pages 181-190

https://doi.org/10.22111/ieco.2021.36257.1315

Abstract
  In this paper, RF source localization in non-line of sight condition, using map of the obstacles is proposed. Received signal strength indicator (RSSI) and angle of arrival (AOA) measurements are observations which are obtained from received signal on the UAV. In the proposed approach, AOA are used to ...  Read More

Control
Soft Sensor Development for Monitoring ASTM-D86 Index: Effect of Feed Flow Rate Change

Bahareh Bidar; Mir Mohammad Khalilipour; Farhad Shahraki; Jafar Sadeghi

Volume 4, Issue 2 , April 2021, , Pages 211-220

https://doi.org/10.22111/ieco.2020.34314.1275

Abstract
  The changes in the crude oil flow rate to an atmospheric distillation unit can influence the quality of the products. This paper presents a modification method for soft sensing model including an update term, which makes it compatible with industrial variations. A modified soft sensing structure is adopted ...  Read More

Control
Designing Indirect Adaptive Multiple Controller for LTI Systems with Large Time Varying and Unknown Delay in Control Input Based on Online Estimation of Delay by Kalman filtering

hadi chahkandi nejad; Mohsen Farshad; Ramazan Havangi

Volume 4, Issue 1 , January 2021, , Pages 1-11

https://doi.org/10.22111/ieco.2020.32975.1242

Abstract
  In this study, an adaptive controller for LTI systems with unknown and time varying input time delay is presented with the purpose of tracking. Due to the large area considered for time delay variations, the structure of the proposed controller is considered to be in form of Multiple Model Adaptive Control ...  Read More

Control
Adaptive Robust Tracking Control Based on Backstepping Method for Uncertain Robotic Manipulators Including Motor Dynamics

javad keighobadi; Mohammad mehdi Fateh

Volume 4, Issue 1 , January 2021, , Pages 13-22

https://doi.org/10.22111/ieco.2020.31792.1213

Abstract
  Recent research on the backstepping control of robotic systems has motivated us to design a robust backstepping voltage-based controller with computational simplicity and ease of implementation. In this paper, an adaptive robust tracking controller based on backstepping method (ARTB) is presented for ...  Read More

Control
Analyzing the Advantage of Combination of Density Forecasts in Tehran Stock Exchange

S.Raheleh Shahrokhi; Hamid Khaloozadeh; HamidReza Momeni

Volume 4, Issue 1 , January 2021, , Pages 23-31

https://doi.org/10.22111/ieco.2020.32870.1237

Abstract
  Today, stock market plays a key role in the economy of any country and is considered as one of the growth indicators of any economy. Gaining the skills of gathering and analyzing data simultaneously, as well as using this knowledge in economic investigations, make time and precision factors to be the ...  Read More

Control
Multi-objective optimization and online control of switched reluctance generator for wind power application

Hojjat Hajiabadi; Mohsen Farshad; MohammadAli Shamsinejad

Volume 4, Issue 1 , January 2021, , Pages 33-45

https://doi.org/10.22111/ieco.2020.32687.1234

Abstract
  Fossil fuel combustion in power plants is the world’s most significant threat to people’s health and the environment. Recently, wind power, as a clean, sustainable and renewable source of energy, has attracted many researchers. The present paper studies how to maximize the extraction of wind ...  Read More

Control
Cooperative distributed constrained model predictive control for uncertain nonlinear large scale systems

Ahmad Mirzaei; amin ramezani

Volume 4, Issue 1 , January 2021, , Pages 87-98

https://doi.org/10.22111/ieco.2020.34092.1270

Abstract
  In this paper two linear constrained cooperative distributed extended dynamic matrix control (CDEDMC) and adaptive generalized predictive control (CDGPC) are proposed to control the uncertain nonlinear large-scale systems. In these approaches, a proposed cooperative optimization is employed which improves ...  Read More

Control
A Semi-Analytic Method for Solving a Class of Non-Linear Optimal Control Problems

Maryam Alipour; Pooneh Omidiniya

Volume 3, Issue 4 , September 2020, , Pages 415-429

https://doi.org/10.22111/ieco.2020.32367.1225

Abstract
  This paper, proposes an approximate analytical method to solvea class of optimal control problems. This method is an enhancementof the variational iteration method (VIM) which is called modifi ed variational iteration method (MVIM) and eliminates all additional calculations in VIM, thus requires less ...  Read More

Control
Model-Free Tracking Control via Adaptive Dynamic Sliding Mode Control With Application to Robotic Systems

Mohammad Reza Shokoohinia; Mohammad Mehdi Fateh

Volume 3, Issue 4 , September 2020, , Pages 431-438

https://doi.org/10.22111/ieco.2020.31596.1207

Abstract
  In this paper, a novel model-free control scheme is developed to enhance the tracking performance of robotic systems based on an adaptive dynamic sliding mode control and voltage control strategy. In the voltage control strategy, actuator dynamics have not been excluded. In other words, instead of the ...  Read More