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15 Results Found

  • Article
  • Open Access
887 Views
16 Pages

Research on TID Controller Design for Fractional-Order Time-Delay Systems

  • Jinyuan Zhang,
  • Ling Zhang,
  • Zhisheng Liang and
  • Rongnian Tang

10 January 2026

Fractional-order time-delay systems boast better dynamic performance than integer-order ones in optimally controlling industrial design objects. However, in lack of commendable methodologies, designing proper controllers for these systems confronts a...

(This article belongs to the Section Mechanical Engineering)
  • Article
  • Open Access
935 Views
30 Pages

Load frequency control (LFC) plays a critical role in maintaining frequency stability and regulating power transfer between interconnected areas subjected to continuous load variations. In multi-area systems, disturbances tend to propagate through in...

(This article belongs to the Topic Power System Dynamics and Stability, 2nd Edition)
  • Article
  • Open Access
12 Citations
2,519 Views
18 Pages

This paper proposes a fractional order integral-derivative plus second-order derivative with low-pass filters and a tilt controller called IλDND2N2-T to improve the control performance of an automatic voltage regulator (AVR). In this study, eq...

(This article belongs to the Section Engineering)
  • Article
  • Open Access
6 Citations
2,469 Views
14 Pages

Robust Tilt-Integral-Derivative Controllers for Fractional-Order Interval Systems

  • Muhammad Zeeshan Malik,
  • Shiqing Zhang,
  • Guang Chen and
  • Mamdouh L. Alghaythi

19 June 2023

In this study, an innovative and sophisticated graphical tuning approach is postulated, aimed at the design of tilt-integral-derivative (TID) controllers that are specifically customized for fractional-order interval plants, whose numerators and deno...

(This article belongs to the Section E2: Control Theory and Mechanics)
  • Article
  • Open Access
1 Citations
1,990 Views
41 Pages

Cascaded Optimized Fractional Controller for Green Hydrogen-Based Microgrids with Mitigating False Data Injection Attacks

  • Nadia A. Nagem,
  • Mokhtar Aly,
  • Emad A. Mohamed,
  • Aisha F. Fareed and ,
  • Dokhyl M. Alqahtani and
  • Wessam A. Hafez
  • + 1 author+ 0 author

Green hydrogen production and the use of fuel cells (FCs) in microgrid (MG) systems have become viable and feasible solutions due to their continuous cost reduction and advancements in technology. Furthermore, green hydrogen electrolyzers and FC can...

  • Article
  • Open Access
468 Views
24 Pages

Optimization of the Controller Settings for the Mean Arterial Blood Pressure Regulation Using Pelican Optimization Approach

  • Abhishek Jain,
  • Mohammad Atif Siddiqui,
  • Tirumalasetty Chiranjeevi and
  • Łukasz Knypiński

9 July 2026

This paper presents a unified comparative study of various controllers, including proportional–integral–derivative (PID), Fractional-Order PID (FOPID), Internal Model Control (IMC) controllers, and Tilt–Integral–Derivative (TI...

(This article belongs to the Special Issue Algorithmic Approaches to Control Theory and System Modeling)
  • Article
  • Open Access
23 Citations
3,245 Views
32 Pages

3 November 2022

An interconnected power system requires specific restrictions to be maintained for frequency, tie-line power, and the terminal voltage of synchronized generators to avoid instability. Therefore, frequency stability and voltage regulation issues are c...

(This article belongs to the Section A1: Smart Grids and Microgrids)
  • Article
  • Open Access
14 Citations
3,213 Views
35 Pages

Frequency Stabilization Based on a TFOID-Accelerated Fractional Controller for Intelligent Electrical Vehicles Integration in Low-Inertia Microgrid Systems

  • Mohamed Abdelkader,
  • Emad M. Ahmed,
  • Emad A. Mohamed,
  • Mokhtar Aly and ,
  • Ahmed Alshahir,
  • Yousef S. Alrahili,
  • Salah Kamel,
  • Francisco Jurado and
  • Loai Nasrat
  • + 4 authors+ 0 author

Microgrid systems face challenges in preserving frequency stability due to the fluctuating nature of renewable energy sources (RESs), underscoring the importance of advanced frequency stabilization strategies. To ensure power system stability in situ...

(This article belongs to the Special Issue Electric Vehicles and Smart Grid Interaction)
  • Article
  • Open Access
23 Citations
2,739 Views
24 Pages

A New Optimized FOPIDA-FOIDN Controller for the Frequency Regulation of Hybrid Multi-Area Interconnected Microgrids

  • Nessma M. Ahmed,
  • Mohamed Ebeed,
  • Gaber Magdy,
  • Khairy Sayed and ,
  • Samia Chehbi Gamoura,
  • Ahmed Sayed M. Metwally and
  • Alaa A. Mahmoud
  • + 2 authors+ 0 author

This paper proposes a combined feedback and feed-forward control system to support the frequency regulation of multi-area interconnected hybrid microgrids considering renewable energy sources (RESs). The proposed control system is based on a fraction...

  • Article
  • Open Access
12 Citations
2,742 Views
27 Pages

In this article, starting from a benchmark represented by a Direct Current-to-Direct Current (DC-DC) three-phase power electronic converter used as an interface and interconnection between the grid and a DC microgrid, we compare the performances of a...

(This article belongs to the Special Issue Advances in Fractional Order Systems and Robust Control)
  • Article
  • Open Access
2 Citations
796 Views
30 Pages

Lithium-ion batteries form the backbone of the recent transition to electric vehicles (EVs). Due to limited capacities, costly replacements, and short lifetimes, proper control and management systems are essential for developing modern battery-powere...

  • Article
  • Open Access
42 Citations
3,434 Views
29 Pages

Optimal Frequency Control of Multi-Area Hybrid Power System Using New Cascaded TID-PIλDμN Controller Incorporating Electric Vehicles

  • Amira Hassan,
  • Mokhtar Aly,
  • Ahmed Elmelegi,
  • Loai Nasrat and ,
  • Masayuki Watanabe and
  • Emad A. Mohamed
  • + 1 author+ 0 author

Modern structures of electrical power systems are expected to have more domination of renewable energy sources. However, renewable energy-based generation systems suffer from their lack of or reduced rotating masses, which is the main source of power...

(This article belongs to the Special Issue New Challenges Arising in Engineering Problems with Fractional and Integer Order II)
  • Article
  • Open Access
15 Citations
3,987 Views
33 Pages

30 September 2024

This article starts from the premise that one of the global control strategies of the Permanent Magnet Synchronous Motor (PMSM), namely the Direct Torque Control (DTC) control strategy, is characterized by the fact that the internal flux and torque c...

(This article belongs to the Special Issue Control Systems for Next Generation Electric Applications)
  • Article
  • Open Access
31 Citations
4,372 Views
18 Pages

Microgrid Frequency Regulation Based on a Fractional Order Cascade Controller

  • Soroush Oshnoei,
  • Arman Fathollahi,
  • Arman Oshnoei and
  • Mohammad Hassan Khooban

Nowadays, the participation of renewable energy sources (RESs) and the integration of these sources with traditional power plants in microgrids (MGs) for providing demand-side power has rapidly grown. Although the presence of RESs in MGs reduces envi...

(This article belongs to the Special Issue Fractional Order Systems with Application to Electrical Power Engineering)
  • Article
  • Open Access
12 Citations
2,916 Views
39 Pages

Modified Frequency Regulator Based on TIλ-TDμFF Controller for Interconnected Microgrids with Incorporating Hybrid Renewable Energy Sources

  • Emad M. Ahmed,
  • Ali Selim,
  • Hammad Alnuman,
  • Waleed Alhosaini and ,
  • Mokhtar Aly and
  • Emad A. Mohamed
  • + 1 author+ 0 author

21 December 2022

Reducing the emissions of greenhouse gases has directed energy sectors toward using renewable energy sources (RESs) and decreasing the dependency on conventional energy sources. Recently, developing efficient load frequency control (LFC) schemes has...

(This article belongs to the Section E2: Control Theory and Mechanics)