Control
Numerical Method For Approximate Solutions of Fractional Differential Equations with Time Delay

fahimeh akhavan ghassabzadeh; Samaneh Soradi zeid

Volume 3, Issue 2 , May 2020, , Pages 127-136

http://dx.doi.org/10.22111/ieco.2019.30257.1184

Abstract
  Due to the easy adaption of radial basis functions (RBFs), a directRBF collocation method is considered to develop an approximate scheme to solvefractional delay differential equations (FDDEs). The method of RBFs is a method of scattered data interpolation that has many application in different fields. ...  Read More

Control
Quantum Genetic LMI-based H∞ Control with Time Delay

Farnaz Sabahi

Volume 3, Issue 1 , January 2020, , Pages 1-10

http://dx.doi.org/10.22111/ieco.2019.26281.1070

Abstract
  Abstract— One of the main problems underlying most optimization theories is local optimum. When time delays are presented, this issue becomes much more problematic. In such conditions, evolutionary optimization algorithms are proven to be helpful. In this paper, quantum genetic algorithm (QGA) ...  Read More

Control
Robot Action Space of Tractable Subsumption Architecture

farnaz sabahi

Volume 2, Issue 4 , October 2019, , Pages 297-304

http://dx.doi.org/10.22111/ieco.2019.26197.1068

Abstract
  Abstract—In this article, a new hybrid feedback system is introduced, which integrates the behavior- based planning by reactive agent-based control scheme through subsumption architecture. At first, subsumption protocol studies the interactions of robot with its environment which cover problems ...  Read More

Control
Innovative Hybrid Backward Input Estimation and Data Fusion for High Maneuvering Target Tracking

Ali Karsaz; Amin Adineh

Volume 2, Issue 4 , October 2019, , Pages 305-318

http://dx.doi.org/10.22111/ieco.2019.26172.1066

Abstract
  Abstract: A hybrid unknown input estimation based on a new two-sample backward model and data fusion for high maneuvering target tracking is proposed. This new approach is based on the consideration of more than one state and input components from the current single observation. These extracted state ...  Read More

Control
Fault Detection and Identification of High Dimension System by GLOLIMOT

Seyed-mohamad-emad Oliaee; Mohamad Teshnehlab; Mehdi Aliyari-shore-deli

Volume 2, Issue 4 , October 2019, , Pages 331-342

http://dx.doi.org/10.22111/ieco.2019.27300.1095

Abstract
  The Local Model Network (LMN) is one of the common structures to model systems and fault detection and identification. This structure covers the disadvantages of training in fuzzy systems and interpretations in neural networks at the same time. But the algorithms that have been introduced to create LMN, ...  Read More

Control
Conformable Fractional Order Sliding Mode Control for a Class of Fractional Order Chaotic Systems

Sara Haghighatnia; Heydar Toossian Shandiz; Alireza Alfi

Volume 2, Issue 3 , July 2019, , Pages 177-188

http://dx.doi.org/10.22111/ieco.2018.25403.1049

Abstract
  In this paper, a novel conformable fractional order (FO) sliding mode control technique is studied for a class of FO chaotic systems in the presence of uncertainties and disturbances. First, a novel FO nonlinear surface based on conformable FO calculus is proposed to design the FO sliding mode controller. ...  Read More

Control
Control Law Design with Dead-beat Property in Continuous-Time Dynamical Systems

Valiollah Ghaffari

Volume 2, Issue 3 , July 2019, , Pages 189-196

http://dx.doi.org/10.22111/ieco.2019.26269.1069

Abstract
  In this paper, an open loop control scheme is developed in order to design a dead-beat control effort in the high order continuous-time systems. The dead-beat control is really a finite-time control law. In this method, the input signal has been manually selected such that the output signal becomes constant ...  Read More

Control
Secondary Voltage Control in a Hybrid Microgrid

YousefReza Jafarian; Amin Karimi; Hassan Bevrani

Volume 2, Issue 3 , July 2019, , Pages 221-232

http://dx.doi.org/10.22111/ieco.2019.26749.1083

Abstract
  Compared to individual DC or AC microgrids, the Hybrid microgrids (HMGs) are more efficient and inexpensive due to eliminating of multiple DC-AC-DC conversions. In HMGs, where AC loads are supplied by DC link, load demand disturbance has direct negative effects on the DC link voltage. In this study, ...  Read More

Control
A numerical scheme for constrained optimal control problems

Zahra Shabani; Haleh Tajadodi

Volume 2, Issue 3 , July 2019, , Pages 233-238

http://dx.doi.org/10.22111/ieco.2019.28155.1123

Abstract
  In this paper, a numerical technique is proposed to solve optimal control problems (OPCs) of Volterra integral equations (VIEs). We apply the linear B-spline polynomials to solve OPCs by VIEs. The B-spline function divides the interval into sub-intervals and then built a different approximating polynomial ...  Read More

Control
Stability Analysis of Discrete-time Switched Linear Systems with Parametric Uncertainties

Mohamad Hosein Shafiei; Nasrollah Azam Baleghi

Volume 2, Issue 3 , July 2019, , Pages 239-246

http://dx.doi.org/10.22111/ieco.2019.27753.1110

Abstract
  This paper considers the stability problem of discrete-time switched linear systems in the presence of parametric uncertainties. Parametric uncertainty is sometimes called structured uncertainty because of the structure of the model is known, but some of the parameters are uncertain. From the practical ...  Read More

Control
LMI-based Congestion Control Algorithms for a Delayed Network

Shoorangiz Shams shamsabad Farahani; Siavash Fakhimi Derakhshan

Volume 2, Issue 2 , April 2019, , Pages 91-98

http://dx.doi.org/10.22111/ieco.2018.24948.1038

Abstract
  In this paper buffer dynamic modeling for wireless sensor networks (WSNs) as a highly nonlinear system is accomplished in discrete time and the overall model is gained by blending subsystems obtained based on delay. Based on queue utilization and channel estimation algorithm, congestion is detected and ...  Read More

Control
Kalman Filter-Smoothed Random Walk Based Centralized Controller for Multi-Input Multi-Output Processes

Saeed Tavakoli; Hamid Fasih; Jafar Sadeghi; Hamed Torabi

Volume 2, Issue 2 , April 2019, , Pages 155-166

http://dx.doi.org/10.22111/ieco.2018.26166.1067

Abstract
  In this paper, a novel centralized controller is presented to control multi-input multi-output industrial processes with heavy interactions and significant time-delays. The system model equations are represented in a non-minimal stochastic state-space form. Also, the state and measurement equations respectively ...  Read More

Control
Sufficient conditions for stabilization of interval uncertain LTI switched systems with unstable subsystems

Gholamreza Bidari; Naser Pariz; Ali Karimpour

Volume 2, Issue 1 , January 2019, , Pages 1-6

http://dx.doi.org/10.22111/ieco.2018.24693.1032

Abstract
  This paper investigates the stabilization problem of an autonomous Linear Time Invariant (LTI) switched system with interval uncertainty and unstable subsystems. It is proved that the system would be stable by using a common Lyapanov function whose derivative is negative and bounded by a quadratic function ...  Read More

Control
Designing full-order sliding mode controller based on ANFIS approximator for uncertain nonlinear chaotic systems

Khadijeh Akbari; Behrooz Rezaie; Safa Khari

Volume 2, Issue 1 , January 2019, , Pages 39-46

http://dx.doi.org/10.22111/ieco.2018.23854.1003

Abstract
  In this paper, a full-order sliding mode controller, based on adaptive neuro-fuzzy inference system is proposed as approximator, for controlling nonlinear chaotic systems in presence of uncertainty. At first, the full-order sliding mode controller is designed for the system in the absence of uncertainty ...  Read More

Control
Fractional sliding mode control design for robust synchronization and anti-synchronization of fractional order nonlinear chaotic systems in finite time

amin ramezani; Seyed Arash Pourhashemi Shahri; Mahdi Siahi

Volume 2, Issue 1 , January 2019, , Pages 71-80

http://dx.doi.org/10.22111/ieco.2018.25291.1045

Abstract
  This paper deals with the problem of synchronization (anti-synchronization) of fractional nonlinear systems. Here, due to the advantages of fractional calculus and sliding mode control, we provide a new fractional order sliding mode control for synchronization (anti-synchronization) problems. So, in ...  Read More

Control
Control Structure Design and Dynamic Modeling for Atmospheric Distillation Column: Effect of Increase Capacity

Mir Mohammad Khalilipour; Farhad Shahraki; Jafar Sadeghi; kiyanoosh Razzaghi

Volume 1, Issue 2 , September 2018, , Pages 103-113

http://dx.doi.org/10.22111/ieco.2018.23895.1023

Abstract
  The paper presents the computer simulation of a multivariate control algorithm. Industrial relevance is given as the problem is derived from a real plant, an industrial athmospheric distillation column at Shiraz refinery. The control performance of the industrial column using relative gain array (RGA) ...  Read More

Control
Two-Degree-of-Freedom Control Scheme for Robust Centralized PI/PID Controller Design Using Constrained Optimization

Saeed Tavakoli; Amir Afroomand

Volume 1, Issue 1 , June 2018, , Pages 1-8

http://dx.doi.org/10.22111/ieco.2018.24006.1007

Abstract
  For a two-input two-output distillation column with heavy interactions and long dead times, a two-by-two PI/PID controller is designed. The design objectives are good setpoint regulation and appropriate load disturbance rejection. The constraints are on degree of robust stability, control effort as well ...  Read More