Research Articles Industrial Electronics
An Integrated High Power Self-Equalized Battery Charger Using a Voltage Multiplier and Phase-Shifted Full-Bridge DC-DC Converter for Lithium-Ion Batteries

Mohsen Feizi; Reza Beiranvand; Mahdi Daneshfar

Volume 4, Issue 2 , April 2021, Pages 141-155

https://doi.org/10.22111/ieco.2020.34921.1290

Abstract
  Conventional energy storage systems (ESSs) such as super-capacitors and lithium-ion batteries require voltage equalization systems to eliminate voltage imbalances, and bidirectional dc-dc converters to complete the charging process. These separated systems require some sensors, inductors, switches, and ...  Read More

Research Articles 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

Research Articles Industrial Electronics
PWM Control Methods Based on Mathematical Equations for Z-Source Inverters

Taher Ahmadzadeh; Ebrahim Babaei; Mehran Sabahi; Taher Abedinzadeh

Volume 4, Issue 2 , April 2021, Pages 167-179

https://doi.org/10.22111/ieco.2020.34508.1279

Abstract
  < p>In power converters, the total harmonic distortion (THD) can be decreased by using two strategies which are filtering and controlling methods. The filtering strategy is indeed costly because of using hardware devices (such as capacitor and inductor). A suitable strategy to control the modern ...  Read More

Research Articles 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

Research Articles Optimization
Multi-objective ORPD Considering Different Load Models for Active Distribution Networks

Saman Hosseini-Hemati; Shahram Karimi; Gholam Hossein Sheisi

Volume 4, Issue 2 , April 2021, Pages 191-210

https://doi.org/10.22111/ieco.2020.33855.1261

Abstract
  Secure and economical operation of distribution networks needs the management of reactive power resources. Optimal Reactive Power Dispatch (ORPD) optimally manages the reactive power scheduling of generators and distribution generations as well as the Reactive Power Compensation (RPC) devices. This paper ...  Read More

Research Articles 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

Research Articles Optimization
Woodpecker Mating Algorithm for Optimal Economic Load Dispatch in a Power System with Conventional Generators

Morteza Karimzadeh Parizi; Farshid Keynia; Amid Khatibi Bardsiri

Volume 4, Issue 2 , April 2021, Pages 221-234

https://doi.org/10.22111/ieco.2020.35116.1296

Abstract
  The Economic Dispatch (ED) is one of the most important optimization problems in power systems the ultimate goal of the ED is to minimize the cost of operations in a power generation. In this paper, the Woodpecker Mating Algorithm (WMA) is used to solve the ED problem considering the nonlinear properties ...  Read More

Research Articles Optimization
Optimal Design of a Brushless DC Motor Aiming at Decreasing Cogging Torque

Mina Salarian; Milad Niaz Azari; Mostafa Haji aghai

Volume 4, Issue 2 , April 2021, Pages 235-244

https://doi.org/10.22111/ieco.2020.35118.1297

Abstract
  One of the important issues in designing high-performance brushless direct current (BLDC) motors is reducing the cogging torque since it results in mechanical vibration, audible noises, and torque ripples, which adversely impact the performance of the motor, which is awkward high-accuracy applications. ...  Read More

Research Articles Power systems
Efficient Networked Microgrid Management Considering Plug-in Electric Vehicles and Storage Units

Mahdi Vosoogh; Masoud Rashidinejad; Amir Abdollahi; Morteza Ghaseminezhad

Volume 4, Issue 2 , April 2021, Pages 245-255

https://doi.org/10.22111/ieco.2020.35847.1306

Abstract
  This article addresses the optimal energy management and operation of networked microgrids considering different types of dispatchable units like fuelcell and microturbine and nondispatchable units such as wind turbine and solar units. To change the just-consuming role of vehicles into an active role ...  Read More

Research Articles Industrial Electronics
An Improved Sliding Mode Controller for DC/DC Boost Converters Used in EV Battery Chargers with Robustness against the Input Voltage Variations

Gholamreza Mohebalizadeh; Hasan Alipour; Leila Mohammadian; Mehran Sabahi

Volume 4, Issue 2 , April 2021, Pages 257-266

https://doi.org/10.22111/ieco.2020.34462.1278

Abstract
  Abstract- An Electric Vehicle Battery Charger (EVBC) faces serious challenges as continuous charging voltage ripple, charging speed, input voltage level variations, and its ability to adapt to the Battery State of Charge (BSOC). A proper controller has an important role to prepare all the mentioned above. ...  Read More