Research

Research Area of interest:

• Sliding Mode Control

• Adoptive and Robust Control

• Power System and Control

Professional Affiliations:

• Pakistan Engineering Council (PEC) (Reg#ELECTRO/17799)

• ResearcherID: E-3208-2019 (Thomson Reuters)

• Open Researcher and Contributor ID (ORCID)

• Researchgate

• Scopus Profile (scopus)

CONFERENCE & JOURNAL PUBLICATIONS

Total cumulative Impact Factor of published journals (2017–2026): 174.2

2026

·       Safeer Ullah, Yukang Cui, Hisham Alghamdi, Sultan Alghamdi, Ahmed S. Alsafran, Abdullah A. Algethami, Dong-Won Jung, “Neuro-adaptive control design for underactuated quadcopter drone: A fractional-order super-twisting sliding mode approach”, Aerospace Science and Technology, (2026). https://doi.org/10.1016/j.ast.2026.111906

·       Hisham Alghamdi, Ghulam Hafeez, Safeer Ullah, Ahmed S Alsafran, Baheej Alghamdi, Muhyaddin Rawa, Sultan Alghamdi, Habib Kraiem, “A cascaded factored conditional deep learning framework for electricity demand forecasting in smart grids”, Measurement, (2026). https://doi.org/10.1016/j.measurement.2026.120570

·       Ameen Ullah, Safeer Ullah, Dapeng Zheng, Danyang Bao, Xuewei Pan, “Intelligent Chattering Suppression in WECS: Neuro-Adaptive Smooth Super-Twisting Control with Exact Differentiation for Optimal Power Extraction”, Electric Power Systems Research, (2026).

·       Ameen Ullah, Safeer Ullah, Umair Hassan, Dapeng Zheng, Danyang Bao, Xuewei Pan, “Maximum power extraction from a PMSG-based standalone WECS via neuro-adaptive fuzzy fractional order super-twisting sliding mode control approach with high gain differentiator”, Fractal and Fractional, (2026). https://doi.org/10.3390/fractalfract10030158

·       Atta Ullah Khan, M. M. Islam, M. Hasanuzzaman, Yigang He, Safeer Ullah, Mussarat Naseem, “Design and performance analysis of energy efficient hybrid dual-axis sun tracking system”, Energy Systems, (2026). https://doi.org/10.1007/s12667-026-00784-5

·       Ibrahim Shaikh, Radek Matušů, Abebe Alemu Wendimu, Mihret Kochito Wolde, Soumya Ranjan Mahapatro, Safeer Ullah, Ali Aljazaeri, Sohaibullah Zarghoon, “Comprehensive Identification and Parametric Uncertainty Assessment in the Dynamic Modelling of a 3D Crane System”, PLoS ONE, (2026). https://doi.org/10.1038/s41598-026-41515-1

2025

·       Safeer Ullah, Muhammad Zeeshan Babar, Sultan Alghamdi, Ahmed S. Alsafran, Habib Kraiem, Abdullah A. Algethami, “Prescribed-Time Leader–Follower Synchronization of Higher-Order Nonlinear Multi-Agent Systems via Fuzzy Neural Adaptive Sliding Control”, Sensors, (2025).  https://doi.org/10.3390/s25247483

·       Tanzeel Ur Rahman, Ameen Ullah, Safeer Ullah, Jianfei Pan, Baheej Alghamdi, Akhtar Rehman, Zhengbiao Ouyang, “Fast Smooth Super-Twisting SMC and Super-Twisting Disturbance Estimation for PMSM Speed Control”, IEEE Transactions on Consumer Electronics, (2025). https://doi.org/10.1109/TCE.2025.3615109

·       Saqib Irfan, Liangyu Zhao, Safeer Ullah, and Jamshed Iqbal, “Robust GDI with Extended Differentiator and Observer Based Fast Terminal Integral Sliding Mode Control for UAV System”, Unmanned Systems, (2025). https://doi.org/10.1142/S2301385027500336

·       Ameen Ullah, Safeer Ullah, Umair Hussan, Baheej Alghamdi, and Jianfei Pan, “Optimized Neuro-Adaptive Third-Order Sliding Mode Control with High-Gain Differentiator for Enhanced Photovoltaic System Performance: Simulation and Experimental Validation”, IEEE Journal of Emerging and Selected Topics in Power Electronics, (2025). https://doi.org/10.1109/JESTPE.2025.3575576

·       Muhammad Ilyas, Zhiguang Feng, Safeer Ullah, and Jason J. R. Liu, “PSO-Nonsingular fast terminal sliding mode control for hexarotor in turbulent atmospheric boundary layer with disturbance observer”, International Journal of Robust and Nonlinear Control, (2025). https://doi.org/10.1002/rnc.70061

·       Ameen Ullah, Safeer Ullah, Zhang Zhang, and Jianfei Pan, “Smooth super-twisting sliding mode control design with high order super-twisting observer for speed tracking control of permanent magnet synchronous motor drive system”, ISA Transactions, (2025). https://doi.org/10.1016/j.isatra.2025.04.007

·       Ahmed S Alsafran, Safeer Ullah, Ameen Ullah, Ghulam Hafeez, Muhammad Zeeshan Babar, Baheej Alghamdi, Abdullah A Algethami, “A Robust Fractional-Order Nonsingular Terminal Sliding Mode Control with Deep Learning-Based Lie Derivative Estimation for Maximum Power Point Tracking in Wind Turbine”, IEEE Access, (2025). https://doi.org/10.1109/ACCESS.2025.3586279

·       Safeer Ullah, Ahmed S. Alsafran, Abouobaida Hassan, Ambe Harrison, Ghulam Hafeez, Baheej Alghamdi, Habib Kraiem, “A Uniform Robust Exact Differentiator based Neuro-Fuzzy Fractional Order Sliding Mode Control for Optimal Standalone Solar Photovoltaic System”, IEEE Access, (2025). https://doi.org/10.1109/ACCESS.2024.3524887

·       Kaleem Ullah, Ghulam Hafeez, Imran Khan, Safeer Ullah, Baheej Alghamdi, Ahmed S. Alsafran, Habib Kraiem, “Energy optimization using hybrid demand response, renewable energy, and storage battery: A tri-objective optimization approach”, Sustainable Cities and Society, (2025). https://doi.org/10.1016/j.scs.2025.106145

·       Ghulam Hafeez, Safeer Ullah, Mazhar Islam, Farrukh Aslam Khan, Ahmed S. Alsafran, Baheej Alghamdi, Habib Kraiem, “An improved meta-heuristic algorithm for energy optimization in smart grids considering photovoltaic, storage battery, and demand response”, Journal of Energy Storage, (2025). https://doi.org/10.1016/j.est.2025.115929

·       Abouobaida, Hassan, Safeer Ullah, Ahmed S. Alsafran, Ambe Harrison, Ghulam Hafeez, Baheej Alghamdi, and Habib Kariem. "A Three-Level Inverter-Based Model Predictive Control Design for Optimal Wind Energy Systems." IEEE Access (2025),  https://doi.org/10.1109/ACCESS.2025.3547996

·       Ameen Ullah, Safeer Ullah, Tanzeel Ur Rahman, Irfan Sami, Ata Ur Rahman, Baheej Alghamdi and Jianfei Pan, “Enhanced Wind Energy Conversion System Performance Using Fast Smooth Second-Order Sliding Mode Control with Neuro-Fuzzy Estimation and Variable-Gain Robust Exact Output Differentiator”, Applied Energy, (2025). https://doi.org/10.1016/j.apenergy.2024.124364

·       Hua, Lyu-Guang, Ghulam Hafeez, Baheej Alghamdi, Hisham Alghamdi, Farrukh Aslam Khan, and Safeer Ullah. "Demand response with pricing schemes and consumers mode constraints for energy balancing in smart grids." Applied Energy 377 (2025): 124324. https://doi.org/10.1016/j.apenergy.2024.124324

·       Muhammad Zafran, Zenab Javaid, Ameen Ullah, Safeer Ullah, Mian Rizwan and Shafiq Ahmad, “Adaptive Exponential Reaching Laws and High-Gain Observers for Enhanced PMSM Sliding Mode Control Systems”, 2025 International Conference on Energy, Power, Environment, Control, and Computing, (2025). https://doi.org/10.1049/icp.2025.1156

·       Ghulam Hafeez, Hisham Alghamdi, Baheej Alghamdi, Ahmed S Alsafran, Safeer Ullah, Sadia Murawwat, “Demand response and renewable generation with optimization approach for energy management in smart grids”, 2025 4th International Conference on Smart Grid and Green Energy (ICSGGE), (2025). https://doi.org/10.1109/ICSGGE64667.2025.10984924

2024

·       Safeer Ullah, Qudrat Khan, Monji Mohamed Zaidi, and Lyu-Guang Hua, “Neuro-Adaptive Non-singular Terminal Sliding Mode Control for Distributed Fixed-time Synchronization of Higher-Order Uncertain Multi-Agent Nonlinear Systems”, Information Sciences, (2024). https://doi.org/10.1016/j.ins.2023.120087

·       Safeer Ullah, Hisham Alghamdi, Abdullah A. Algethami, Baheej Alghamdi, and Ghulam Hafeez. 2024. “Robust Control Design of Under-Actuated Nonlinear Systems: Quadcopter Unmanned Aerial Vehicles with Integral Backstepping Integral Terminal Fractional-Order Sliding Mode” Fractal and Fractional 8, no. 7: 412, (2024). https://doi.org/10.3390/fractalfract8070412

·       Hisham Alghamdi, Taimoor Ahmad Khan, Lyu-Guang Hua, Ghulam Hafeez, Imran Khan, Safeer Ullah, Farukh Aslam Khan, “A Novel Intelligent Optimal Control Methodology for Energy Balancing of Microgrids with Renewable Energy and Storage Batteries”, Journal of Energy Storage, (2024). https://doi.org/10.1016/j.est.2024.111657

·       Irfan, Saqib, Liangyu Zhao, Safeer Ullah, Usman Javaid, and Jamshed Iqbal. "Differentiator-and Observer-Based Feedback Linearized Advanced Nonlinear Control Strategies for an Unmanned Aerial Vehicle System." Drones 8, no. 10 (2024): 527. https://doi.org/10.3390/drones8100527

·       Ambe Harrison, Safeer Ullah, Njimboh Henry Alombah, Mohit Bajaj, Wulfran Fendzi Mbasso, Sheeraz Iqbal, Milkias Berhanu Tuka, “Enhanced Control Strategy for Photovoltaic Emulator Operating in Continuously Changing Environmental Conditions based on Shift Methodology”., Scientific Reports, 14, 13406 (2024). https://doi.org/10.1038/s41598-024-64092-7

·       Abouobaida, Hassan, Youssef Mchaouar, Safeer Ullah, Younes Abouelmahjoub, Hisham Alghamdi, Baheej Alghamdi, and Habib Kraiem. "Integrated Control Design for Hybrid Grid-Photovoltaic Systems in Distillation Applications: A Reference Model and Fuzzy Logic Approach." Sustainability 16, no. 17, 7304, (2024). http://dx.doi.org/10.3390/su16177304

·       Hua, Lyu-Guang, S. Haseeb Ali Shah, Baheej Alghamdi, Ghulam Hafeez, Safeer Ullah, Sadia Murawwat, Sajjad Ali, and Muhammad Iftikhar Khan. "Smart home load scheduling system with solar photovoltaic generation and demand response in the smart grid." Frontiers in Energy Research, 12, 1322047 (2024). http://dx.doi.org/10.3389/fenrg.2024.1322047

·       Ameen Ullah, Jianfei Pan, Safeer Ullah, and Zhang Zhang. "Robust Speed Control of Permanent Magnet Synchronous Motor Drive System Using Sliding-Mode Disturbance Observer-Based Variable-Gain Fractional-Order Super-Twisting Sliding-Mode Control" Fractal and Fractional 8(7): 368 (2024). https://doi.org/10.3390/fractalfract8070368

·       Ammar Ali, Qudrat Khan, Safeer Ullah, Asad Waqar, Lyu-Guang Hua, Imen Bouazzi, Liu Jun Jun. `` High Gain Differentiator based Neuro-Adaptive Arbitrary Order Sliding Mode Control Design for MPE of Standalone Wind Power System”., PLoS ONE 19(1): e0293878, (2024) https://doi.org/10.1371/journal.pone.0293878 .

·       Saqib Irfan, Liangyu Zhao, Safeer Ullah, Adeel Mehmood, Muhammad Fasih Uddin Butt. `` Control strategies for inverted pendulum: A comparative analysis of linear, nonlinear, and artificial intelligence approaches”., PLoS ONE, 19 (3), e0298093, (2024) https://doi.org/10.1371/journal.pone.0298093 .

·       Mohammed Jalalah, Lyu-Guang Hua, Ghulam Hafeez, Safeer Ullah, Hisham Alghamdi, Salem Belhaj. "An application of heuristic optimization algorithm for demand response in smart grids with renewable energy." AIMS Mathematics, (2024). https://doi.org/10.3934/math.2024688

·       Hisham Alghamdi, Lyu-Guang Hua, Muhammad Riaz, Ghulam Hafeez, Safeer Ullah, Monji Mohamed Zaidi, and Mohammed Jalalah. ``Optimal power flow solution for power system integrated with renewable generation," AIMS Mathematics 9(3), 6603-6627, (2024), http://dx.doi.org/10.3934/math.2024322

·       Kalim Ullah, Hisham Alghamdi, Ghulam Hafeez, Imran Khan, Safeer Ullah, Sadia Murawwat. ``A swarm intelligence-based approach for multi-objective optimization considering renewable energy in smart grid". International Conference on Electrical, Computer and Energy Technologies (ICECET), (2024). https://doi.org/10.1109/ICECET61485.2024.10698431

·       Lyu Guanghua, S. H. Ali Shah, Hisham Alghamdi, Ghulam Hafeez, Safeer Ullah, Sadia Murawwat, Sajjad Ali, Muhammad Iftikhar Khan. `` Smart home load scheduling system with solar photovoltaic generation and demand response in the smart grid". Front. Energy Res., (2024) 12:1293267. https://10.3389/fenrg.2024.1322047 .

2023

·       Safeer Ullah, Qudrat Khan, Adeel Mehmood. ``Neuro-adaptive fixed-time non-singular fast terminal sliding mode control design for a class of under-actuated nonlinear systems," International Journal of Control, 96:6, 1529-1542, (2023), doi.org/10.1080/00207179.2022. 2056514

·       Hisham Alghamdi, Safeer Ullah, Ammar Ali, Ghulam Hafeez, Lyu-Guang Hua, Ameen Ullah, and Imen Bouazzi. "Variable-Gain Robust Exact Differentiator based Neuro-adaptive Control Design for Dynamic Wind Power Optimization." IEEE Access, 12, 2186-2197, (2023), https://doi.org/10.1109/ACCESS.2023.3344451

·       Hisham Alghamdi, Ghulam Hafeez, Sajjad Ali, Safeer Ullah, Muhammad Iftikhar Khan, Sadia Murawwat, Lyu-Guang Hua. ``An Integrated Model of Deep Learning and Heuristic Algorithm for Load Forecasting in Smart Grid," Mathematics, 11(21), 4561, (2023), https://doi.org/10.3390/math11214561.

·       Lyu-Guang Hua, Ammar Ali, Safeer Ullah, Ghulam Hafeez, Monji Mohamed Zaidi, and Liu Jun Jun. ``Robust finite-time integral terminal sliding mode control design for maximum power extraction of PMSG-based standalone wind energy system". Front. Energy Res., (2023) 11:1293267. https://doi.org/10.3389/fenrg.2023.1293267.

2022

·   Izhar Ul Haq, Qudrat Khan, Safeer Ullah, Shahid Ahmed Khan, Rini Akmeliawati, Mehmood Ashraf Khan, Jamshed Iqbal. `` Neural network based adaptive global sliding mode MPPT controller design for stand-alone photovoltaic systems”., PLoS ONE, 17(1): e0260480, (2022). doi.org/10.1371/journal.pone.0260480

·   Khurram Ali, Safeer Ullah, Adeel Mehmood, Hala Mostafa, Mohamed Marey, Jamshed Iqbal. ``Adaptive FIT-SMC Approach for an Anthropomorphic Manipulator with Robust Exact Differentiator and Neural Network Based Friction Compensation”. IEEE Access, 10, 3378 – 3389, 2022. 10.1109/ACCESS.2021.3139041

·   Muhammad Bilal Anjum, Qudrat Khan, Safeer Ullah, Adnan Fida, Jamshed Iqbal. ``Maximum Power Extraction from a Standalone Photo Voltaic System via Neuro-adaptive Arbitrary Order Sliding Mode Control Strategy with High Gain Differentiation”.  Applied Sciences, 12 (6), 2773, 2022. doi.org/10.3390/app12062773

·   Maryam Munir, Qudrat Khan, Safeer Ullah, Tayyaba Maryam Syeda and Abdullah A. Algethami. ``Control Design for Uncertain Higher-Order Networked Nonlinear Systems via an Arbitrary Order Finite-Time Sliding Mode Control Law”.  Sensors, 22(7), 2748, (2022). doi.org/10.3390/s22072748

·   Zaheer Alam, Qudrat Khan, Laiq Khan, Safeer Ullah, Syed Abdul Mannan Kirmani and Fahad R. Albogamy. ``Certainty Equivalence based Sensorless Robust Sliding mode Control for Maximum Power Extraction of an Uncertain Photovoltaic System”.  Energies, 15 (6), 2029, (2022). doi.org/10.3390/en15062029

2021

·       Safeer Ullah, Qudrat Khan, Adeel Mehmood. ``Neuro-Adaptive Fast Integral Terminal Sliding Mode Control Design with Variable Gain Robust Exact Differentiator for under-actuated Quadcopter UAV," ISA Transactions, 120, 293-304, (2021). doi.org/10.1016/j.isatra.2021.02.045

·       Safeer Ullah, Robust finite time stabilizing control strategies for a class of under-actuated nonlinear systems, COMSATS University Islamabad Pakistan, PhD Dissertation (2021). https://prr.hec.gov.pk/jspui/handle/123456789/18381

·       Safeer Ullah, Adeel Mehmood, Khurram Ali, Usman Javed, Ghulam Hafeez, Ejaz Ahmad: Dynamic modeling and stabilization of surveillance quadcopter in space based on neuro-fuzzy integral super twisting sliding mode control strategy, In 1st International conference on artificial intelligence, IEEE, pp. 271-278, 2021. 10.1109/ICAI52203.2021.9445268

2020

·       Taimour Yousafzai, Ghulam Hafeez, Safeer Ullah: Energy demand control under dynamic price-based demand response program in smart grid, In 2nd International Conference on Electrical, Communication and Computer Engineering (ICECCE), pp. 51-56. IEEE, 2020. 10.1109/ICECCE49384.2020.9179424

·       Safeer Ullah, Adeel Mehmood, Qudrat Khan, Sakhi Rehman, Jamshed Iqbal. ``Robust Integral Sliding Mode Control Design for Stability Enhancement of Under-actuated Quadcopter. "International Journal of Control, Automation and Systems 18(7) (2020) 1671-1678. dx.doi.org/10.1007/s12555-019-0302-3.

·       Safeer Ullah, Qudrat Khan, Adeel Mehmood, Aamer Iqbal Bhatti. ``Backstepping based sliding mode control for a class of under-actuated electro-mechanical nonlinear systems: application to the cart-pendulum", Journal of Electrical Engineering & Technology, (2020) 15: 1821–1828. doi.org/10.1007/s42835-020-00436-3.

2019

·       Safeer Ullah, Qudrat Khan, Adeel Mehmood, Rini Akmeliawati. "Integral backstepping based robust integral sliding mode control of under-actuated nonlinear electro-mechanical systems," Journal of Control Engineering and Applied Informatics 21.3 (2019): 42-50.

2018

·       Ghulam Hafeez, Nadeem Javaid, Safeer Ullah, Qazi Zafar Iqbal, Mahnoor Khan: Short Term Load Forecasting based on Deep Learning for Smart Grid Applications. In International Conference on Innovative Mobile and Internet Services in Ubiquitous Computing, pp. 276-288. Springer, Cham, 2018. https://doi.org/10.1007/978-3-319-93554-6_25

·       Ejaz Ahmad, Arshad Khan, Safeer Ullah, Iljoong Youn: Pitch and Yaw Moment Control of self-balancing Two-Wheeled Electric Vehicle via Backstepping, In Proceedings of the 13th International Symposium on Mechanics, Aerospace and Informatics Engineering, pp. 1-8, 2018.

2017

·       Ghulam Hafeez, Nadeem Javaid, Saman Zahoor, Itrat Fatima, Zahoor Ali Khan, Safeer Ullah: Energy efficient integration of renewable energy sources in smart grid. In International Conference on Emerging Internetworking, Data & Web Technologies, pp. 553-562. Springer, Cham, 2017. doi.org/10.1007/978-3-319-59463-7_55

2016

·       Safeer Ullah, Design a Nonlinear Controller for a Quadcopter, COMSATS University Islamabad Pakistan, MS Dissertation (2016). https://www.researchgate.net/publication/343769542_Design_a_Nonlinear_Controller_for_a_Quadcopter

Impact Factors of published work

Year Journal Impact Factor

2026 Aerospace Science and Technology 5.8

Measurement 5.6

Electric Power Systems Research 4.2

Fractal and Fractional 3.3

Energy Systems 1.9

PLoS ONE 2.8

2025 Sensors 3.4

IEEE Transactions on Consumer Electronics 11.0

Unmanned Systems 3.0

IEEE JESTPE 5.2

Int. J. Robust & Nonlinear Control 3.5

ISA Transactions 6.3

IEEE Access 3.9

Sustainable Cities & Society 12.5

Journal of Energy Storage 10.2

Applied Energy 12.0

2024 Information Sciences 7.5

Fractal and Fractional 3.3

Journal of Energy Storage 9.8

Drones 4.8

Scientific Reports 4.0

Sustainability 3.3

Frontiers in Energy Research 2.6

AIMS Mathematics 1.9

2023 Int. J. of Control 2.0

IEEE Access 3.8

Mathematics (MDPI) 2.3

Frontiers in Energy Research 2.6

2022 PLoS ONE 2.8

IEEE Access 3.7

Applied Sciences 2.7

Sensors 4.0

Energies 3.3

2021 ISA Transactions 6.0

2020 Int. J. Control, Automation & Systems 3.3

Journal of Electrical Engineering & Technology 1.1

2019 Control Engineering & Applied Informatics 0.8

2018 Applied Sciences 2.2

Lecture Notes in Computer Science (Springer) 1.0

2017 Springer Proceedings in Mathematics & Statistics 0.3