Mehdi Rakhtalarostami's Outputs (31)

Intelligent energy management for full-active hybrid energy storage systems in electric vehicles using teaching–learning-based optimization in fuzzy logic algorithms (2024)
Journal Article

Electric vehicles (EVs) are a compelling alternative for mitigating CO2-equivalent emissions. In the context of EVs, the architecture and operational efficiency of a hybrid energy storage system (HESS)
are pivotal. The present study focuses on a HES... Read More about Intelligent energy management for full-active hybrid energy storage systems in electric vehicles using teaching–learning-based optimization in fuzzy logic algorithms.

LGI-rPPG-Net: A shallow encoder-decoder model for rPPG signal estimation from facial video streams (2023)
Journal Article

A method to accurately estimate physiological signals from video streams at a minimal cost is invaluable. The importance of such a technique in pre-clinical health monitoring cannot be understated. Remote photoplethysmography (rPPG) can be used as a... Read More about LGI-rPPG-Net: A shallow encoder-decoder model for rPPG signal estimation from facial video streams.

A novel combined DTC method and SFOC system for three-phase induction machine drives with PWM switching method (2023)
Journal Article

In this paper, a novel combined Direct Torque Control (DTC) method and Stator-Flux Oriented Control (SFOC) system to increase general performances of Three-Phase Induction Motor (TPIM) drives is proposed. The introduced control scheme includes merits... Read More about A novel combined DTC method and SFOC system for three-phase induction machine drives with PWM switching method.

Development and control of an upper limb rehabilitation robot via ant colony optimization -PID and Fuzzy-PID controllers (2022)
Journal Article

The control of movement rehabilitation robots is necessary for the recovery of physically disabled patients and is an interesting open problem. This paper presents a mathematical model of the upper limb rehabilitation robot using Euler-Lagrange appro... Read More about Development and control of an upper limb rehabilitation robot via ant colony optimization -PID and Fuzzy-PID controllers.

Real-time implementation of a super twisting control algorithm for an upper limb wearable robot (2022)
Journal Article

This paper proposes a robust nonlinear controller for an active orthosis. The system is composed of the upper limb orthosis worn by the arm, which can be represented by a nonlinear second-order dynamical model. A robust control strategy is developed... Read More about Real-time implementation of a super twisting control algorithm for an upper limb wearable robot.

PEM fuel cell system to extend the stack life based on a PID-PSO controller design (2022)
Journal Article

In this paper, the nonlinear model of polymer exchange membrane (PEM) fuel cell system is first extracted and then tested and evaluated for various temperatures and pressures. With the severe nonlinear characteristics of the PEM fuel cell system, usi... Read More about PEM fuel cell system to extend the stack life based on a PID-PSO controller design.

Nonlinear robust controller design for an upper limb rehabilitation robot via variable gain super twisting sliding mode (2022)
Journal Article

Rehabilitation robots have an effective role in helping patients with physical disabilities. Therefore, improving their performance is very important. In this paper, a robust nonlinear controller is proposed for the upper limb rehabilitation robot. T... Read More about Nonlinear robust controller design for an upper limb rehabilitation robot via variable gain super twisting sliding mode.

Self-tuning fuzzy logic PID controller with a practical view to PEM fuel cell air supply system (2021)
Journal Article

Polymer electrolyte membrane fuel cells (PEMFC) are proper candidates as energy resources for using in vehicular, industry and other applications. This paper concentrates on the nonlinear model of PEMFC system. Since the variation of the load current... Read More about Self-tuning fuzzy logic PID controller with a practical view to PEM fuel cell air supply system.

Real time control and fabrication of a soft robotic glove by two parallel sensors with MBD approach (2021)
Journal Article

Soft robotic gloves were designed to aid the rehabilitation process with hand pathologies and coordination of gripping exercises. The main issue in soft robotic actuators is to design a control strategy to overcome deformation in grasping exercises.... Read More about Real time control and fabrication of a soft robotic glove by two parallel sensors with MBD approach.

Simulation and hardware implementation of a sensorless modified MPTC for 3φ induction motor drives (2021)
Journal Article

Model predictive torque control (MPTC) is developing as a high-performance control system for 3φ induction motor (IM) drives due to its simple structure and fast dynamic response. This paper proposes a sensorless modified MPTC (MMPTC) strategy to con... Read More about Simulation and hardware implementation of a sensorless modified MPTC for 3φ induction motor drives.

A developed combined control method for induction machine drives based on PWM (2021)
Journal Article

Purpose: The purpose of this paper is to develop a combined control (CC) technique based on the direct torque control (DTC) strategy and vector control (VC) method, to improve the overall performance of a three-phase induction machine (TPIM) drives.... Read More about A developed combined control method for induction machine drives based on PWM.

Real-time voltage control based on a cascaded super twisting algorithm structure for DC-DC converters (2021)
Journal Article

This article proposes a second-order sliding mode control law, based on a super twisting algorithm (STA), aimed at regulating the output voltage of a dc-dc buck converter. A closed-loop system is designed consisting of two distinct nested loops organ... Read More about Real-time voltage control based on a cascaded super twisting algorithm structure for DC-DC converters.

Adaptive gain super twisting algorithm to control a knee exoskeleton disturbed by unknown bounds (2020)
Journal Article

Knee exoskeletons as wearable robots have been increasingly aimed to assist elderly and disabled people to increase their movement abilities through flexion/extension execution of the knee. In this paper, a robust controller was suggested for a new k... Read More about Adaptive gain super twisting algorithm to control a knee exoskeleton disturbed by unknown bounds.

Voltage and frequency regulation in an islanded microgrid with PEM fuel cell based on a fuzzy logic voltage control and adaptive droop control (2020)
Journal Article

Nowadays, the demand for electrical energy is increasing, and conventional power systems will face major problems in the future if they cannot generate extra demand for electrical energy. One of the best solutions for solving extra demand for electri... Read More about Voltage and frequency regulation in an islanded microgrid with PEM fuel cell based on a fuzzy logic voltage control and adaptive droop control.

Boost converter topologies, hybrid boost and new topologies of voltage multiplier in photovoltaic systems (2019)
Journal Article

Renewable energy generation has experienced lot growth in the last not many years, with close to several billion dollars financing in 2017. Selection of an appropriate converter is one of the challenges since it has an impact on the behavior of the P... Read More about Boost converter topologies, hybrid boost and new topologies of voltage multiplier in photovoltaic systems.

Reducing cost and size in photovoltaic systems using three-level boost converter based on fuzzy logic controller (2018)
Journal Article

Photovoltaic (PV) systems are dependent on two main factors of temperature and solar radiation, changing the PV system into a nonlinear system. Therefore, it is necessary to propose an intelligent control system for power control of PV systems to tac... Read More about Reducing cost and size in photovoltaic systems using three-level boost converter based on fuzzy logic controller.

Robust control design for air breathing proton exchange membrane fuel cell system via variable gain second-order sliding mode (2018)
Journal Article

The nonlinear and time-dependent characteristic and unknown modeling uncertainty of proton exchange membrane fuel cell (PEMFC) such as complex electro-chemical, thermal, and fluid mechanic phenomena make its controller design quite challenging. In th... Read More about Robust control design for air breathing proton exchange membrane fuel cell system via variable gain second-order sliding mode.

Design Output Control TLB Converter for DC Drive Applications with photovoltaic power supply (2017)
Journal Article

Using conventional boost converter in photovoltaic system as the interface between the photovoltaic panel and the consumer is widely practiced. In this paper, instead of using conventional boost converter, the three-level boost converter (TLBC) has b... Read More about Design Output Control TLB Converter for DC Drive Applications with photovoltaic power supply.

Design of second order sliding mode and sliding mode algorithms: A practical insight to DC-DC buck converter (2017)
Journal Article

This paper presents a simple and systematic approach to design second order sliding mode controller for buck converters. The second order sliding mode control U+0028 SOSMC U+0029 based on twisting algorithm has been implemented to control buck switch... Read More about Design of second order sliding mode and sliding mode algorithms: A practical insight to DC-DC buck converter.

Twisting control algorithm for the yaw and pitch tracking of a twin rotor UAV (2017)
Journal Article

In this paper, second order sliding mode controller is used to compensate the pitch and yaw angles of multivariable (MIMO) twin rotor system. Twin rotor has six state variables including yaw and pitch angles, yaw and pitch angular velocities, and arm... Read More about Twisting control algorithm for the yaw and pitch tracking of a twin rotor UAV.