In collaboration with Payame Noor University and the Iranian Society of Instrumentation and Control Engineers

Research Article
Control and Synchronization of the Genesio-Tesi Chaotic System‎: ‎A Contraction Analysis-Based Graphical Method‎

Mehdi Zavieh; Hossein Kheiri; Bashir Naderi

Articles in Press, Accepted Manuscript, Available Online from 28 June 2023

https://doi.org/10.30473/coam.2023.65079.1211

Abstract
  In this paper‎, ‎we use a graphical algorithm to control and synchronization of a chaotic system‎. ‎Most of the controllers designed for synchronizing chaotic systems are complex‎, ‎but the controllers designed using contraction and graphical methods are often simple and linear‎. ...  Read More

Research Article Control and Optimization
Optimal Adaptive Sliding Mode Control for a Class of Nonlinear Affine Systems

Masoomeh Ebrahimipour; Saeed Nezhadhosein‎; Seyed Mehdi Mirhosseini-Alizamini

Articles in Press, Accepted Manuscript, Available Online from 23 November 2023

https://doi.org/10.30473/coam.2023.67868.1236

Abstract
  This paper presents an optimal robust adaptive technique for controlling a certain class of uncertain nonlinear affine systems‎. ‎The proposed approach combines sliding mode control‎, ‎a linear quadratic regulator for optimality, and gradient descent as an adaptive controller‎. ‎ ...  Read More

Research Article Control and Optimization
An Adaptive Time-Stepping Algorithm to Solve a Stochastic Lotka-Volterra Competition System with Time-Variable Delays

Ali Valinejad; Afshin Babaei; Zahra Zarei

Articles in Press, Accepted Manuscript, Available Online from 10 May 2024

https://doi.org/10.30473/coam.2024.67940.1237

Abstract
  ‎This paper introduces ‎a variable step size strategy for a stochastic time-delays Lotka-Volterra competition system‎. ‎This adaptive strategy utilizes the Milstein method for numerical solutions. It employs two local error estimates, corresponding to the diffusion and drift components ...  Read More

Research Article Control and Optimization
A Multi-Objective Model for Humanitarian Logistics Model During an Earthquake Crisis‎: ‎A Case Study of Iran

Maryam Yaghoubi; Fatemeh Dadmand

Articles in Press, Accepted Manuscript, Available Online from 17 May 2024

https://doi.org/10.30473/coam.2024.68031.1238

Abstract
  Natural disasters‎, ‎such as earthquakes‎, ‎result in significant financial and human losses‎. ‎Rescue operations play a crucial role in managing such crises‎. ‎However‎, ‎the lack of precise information and the damage or destruction of urban transportation routes ...  Read More

Research Article Control and Optimization
On Constraint Qualifications and Optimality Conditions in‎ ‎Nonsmooth Semi-infinite Optimization

Atefeh Hassani Bafrani

Articles in Press, Accepted Manuscript, Available Online from 12 June 2024

https://doi.org/10.30473/coam.2024.69322.1247

Abstract
  The primary objective of this paper is to enhance several well-known geometric constraint qualifications and necessary optimality conditions for nonsmooth semi-infinite optimization problems (SIPs). We focus on defining novel algebraic Mangasarian-Fromovitz type constraint qualifications, and on presenting ...  Read More

Research Article Control and Optimization
Mordukhovich Normal Cone of Optimization Problems with Switching Constraints

Sharifeh Rezagholi; Arash Farhadi

Articles in Press, Accepted Manuscript, Available Online from 17 July 2024

https://doi.org/10.30473/coam.2024.70234.1251

Abstract
  This paper examines normal cones of the feasible set for mathematical programming problems with switching constraints (MPSC)‎. ‎Functions involved are assumed to be continuously differentiable‎. ‎The primary focus is on providing the upper estimate of the Mordukhovich normal cone for ...  Read More

Research Article Control and Optimization
Impact of Carrier Relaxation Time on the Performance of Quantum Dot Laser with Planar Cavities ‎Using ‎Artificial ‎Neural ‎Networks

Seyed Mohsen Izadyar; Mohammad Eshaghnezhad; Hossein Davoodi Yeganeh

Articles in Press, Accepted Manuscript, Available Online from 24 July 2024

https://doi.org/10.30473/coam.2024.70032.1250

Abstract
  This study presents a model of ‎a quantum dot laser with a planar cavity, employing numerical methods and artificial neural networks for simulation purposes. The investigation focuses on the influence of critical parameters, including the injection current into the active layer of the quantum dot ...  Read More

Research Article Control and Optimization
New Soliton Solutions to the Coupled Conformable Time-Fractional Boussinesq Equation

Ahmad Sharif

Articles in Press, Accepted Manuscript, Available Online from 08 September 2024

https://doi.org/10.30473/coam.2024.71509.1256

Abstract
  In this study‎, ‎we explore soliton solutions for the conformable time-fractional Boussinesq equation utilizing the three-wave method‎. ‎To validate the precision of our findings‎, ‎we discuss specific special cases by adjusting certain potential parameters and also present the ...  Read More

Research Article Control and Optimization
A New Approach to Control of Legged Robots

Majid Anjidani

Articles in Press, Accepted Manuscript, Available Online from 08 September 2024

https://doi.org/10.30473/coam.2024.71425.1255

Abstract
  Designing dynamically stable controllers for a robot with 2r legs is challenging due to its complex hybrid dynamics (r>1). This paper proposes a technique to decompose the robot into r biped robots, where the influence of other robot parts on each biped can be modeled as external forces. This approach ...  Read More

Research Article Control and Optimization
A Sub-Ordinary Approach to Achieve Near-Exact Solutions for a Class of Optimal Control Problems

Akbar Hashemi Borzabadi; Mohammad Gholami Baladezaei; Morteza Ghachpazan

Articles in Press, Accepted Manuscript, Available Online from 02 October 2024

https://doi.org/10.30473/coam.2024.70834.1254

Abstract
  This paper explores the advantages of Sub-ODE strategy in deriving near-exact‎ ‎solutions for a class of linear and nonlinear optimal control‎ ‎problems (OCPs) that can be transformed into nonlinear‎ ‎partial differential equations (PDEs). Recognizing that converting an OCP into ...  Read More

Research Article Control and Optimization
Optimizing Banking Network Resilience to Exchange Rate Shocks

Hadi Adib; Akbar Mirzapour Babajan; Beitollah Akbari Moghaddam; Roozbeh Balounejad Nouri

Articles in Press, Accepted Manuscript, Available Online from 01 December 2024

https://doi.org/10.30473/coam.2024.72329.1262

Abstract
  This paper explores the resilience optimization of Iran's banking sector in the face of exchange rate shocks---critical macroeconomic disturbances with extensive consequences‎. ‎We develop a multi-sector macro-dynamic stochastic general equilibrium model encompassing essential economic components‎, ...  Read More