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

http://dx.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
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

http://dx.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

http://dx.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

http://dx.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
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

http://dx.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

http://dx.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

http://dx.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

http://dx.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

http://dx.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

http://dx.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

http://dx.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

http://dx.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

http://dx.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

http://dx.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

http://dx.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

http://dx.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

http://dx.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

Control
Improving Quality of Movement in a Linear Switched Reluctance Motor Using a Fuzzy Logic System

Allahverdi Azadrou; Siamak Masoudi; Reza Ghanizadeh; Payam Alemi

Volume 3, Issue 4 , September 2020, , Pages 459-468

http://dx.doi.org/10.22111/ieco.2020.32897.1238

Abstract
  This work deals with minimizing fluctuations of propulsion force and improving the motion quality in a linear switched reluctance motor. In order to minimize the jerks in the moving part of the motor, a new profile has been used to generate an appropriate reference speed profile. The results indicate ...  Read More

Control
The Novel Stability Criteria for Piecewise Affine Systems with Time-Varying Delay

Salehe Afsharian; Hussein Eliasi

Volume 3, Issue 4 , September 2020, , Pages 475-482

http://dx.doi.org/10.22111/ieco.2020.32932.1240

Abstract
  This article aims to derive new sufficient conditions to guarantee the stability of piecewise affine systems with time-varying delay (PWA-TVD). The set of delay-dependent linear matrix inequality (LMI) describes the novel stability criteria. This approach considers the PWA-TVD system with a time-delayed ...  Read More

Control
Optimal Impedance Voltage-Controller for Electrically Driven Robots

Mohsen Jalaeian-F; Mohammad Mehdi Fateh; Morteza Rahimiyan

Volume 3, Issue 4 , September 2020, , Pages 483-490

http://dx.doi.org/10.22111/ieco.2020.33183.1247

Abstract
  This paper presents a novel optimal impedance voltage-controller for Electrically Driven Lower Limb Rehabilitation Robots (EDLR). To overcome the dynamical complexities, and handle the uncertainties, the proposed method employs an expected forward model of the actuator. The difference between this model’s ...  Read More

Control
Robust Congestion Control Using Sliding Mode Control In TCP/IP Computer Networks

Shoorangiz Shams Shamsabad Farahani; Narges Masoomabadi; Mohammad Reza Jahed-Motlagh

Volume 3, Issue 4 , September 2020, , Pages 503-510

http://dx.doi.org/10.22111/ieco.2020.33484.1250

Abstract
  Based on the recent Internet advances, congestion control is considered as an important issue and has spurred a significant amount of research. In this study, second-order sliding mode control is used to adjust the average queue length and maintain the closed-loop system performance. The control law ...  Read More

Control
Robust Decentralized Model Predictive Control for a Class of Interconnected systems

Saeed Rahmati; Hussein Eliasi

Volume 3, Issue 3 , July 2020, , Pages 327-336

http://dx.doi.org/10.22111/ieco.2020.31501.1206

Abstract
  This paper presents a robust decentralized model predictive control scheme for a class of discrete-time interconnected systems subject to state and input constraints. Each subsystem is composed of a nominal LTI part and an additive time-varying perturbation function which presents the interconnections ...  Read More

Control
On the coupling of least squares method and homotopy perturbation method for the solution of differential-algebraic equations and its applications in optimal control problems

Azar Shabani; Alireza Fatehi; Fahimeh Soltanian; Reza Jamilnia

Volume 3, Issue 3 , July 2020, , Pages 337-351

http://dx.doi.org/10.22111/ieco.2020.31807.1215

Abstract
  In this paper, two semi-analytical techniques are introduced to compute the solutions of differential-algebraic equations (DAEs), called the Least Squares Repetitive Homotopy Perturbation Method (LSRHPM) and the Least Squares Span Repetitive Homotopy Perturbation Method (LSSRHPM). The truncated series ...  Read More

Control
Fault Tolerant Control of Blood Glucose Concentration Using Reinforcement Learning

Amin Noori; Mohammad Ali Sadrnia; Mohammad Bagher Naghibi-Sistani

Volume 3, Issue 3 , July 2020, , Pages 353-364

http://dx.doi.org/10.22111/ieco.2020.31719.1217

Abstract
  In this paper, the main focus is on blood glucose level control and the possible sensor and actuator faults which can be observed in a given system. To this aim, the eligibility traces algorithm (a Reinforcement Learning method) and its combination with sliding mode controllers is used to determine the ...  Read More

Control
Maximum Power Point Tracking Using State-dependent Riccati equation based Model Reference Adaptive Control

Mostafa Rahideh; Abbas Ketabi; Abolfazl Halvaei Niasar

Volume 3, Issue 2 , May 2020, , Pages 115-124

http://dx.doi.org/10.22111/ieco.2019.28544.1133

Abstract
  In this paper, an adaptive control method is proposed for maximum power point tracking (MPPT) in photovoltaic (PV) systems. For improving the performance of an MPPT, this study develops a two-level adaptive control structure that can decrease difficulty in system control and efficiently handle the uncertainties ...  Read More