**H-Index:** Web of Science Scopus Google Scholar

**ISI Journal**

- A. Alsharif, C. W. Tan, R. Ayop, A. A. Smin, A. A. Ahmed, F. H. Kuwil, et al., “Impact of Electric Vehicle on Residential Power Distribution Considering Energy Management Strategy and Stochastic Monte Carlo Algorithm,” Energies, vol. 16, p. 1358, 2023. . [
**IF 3.252, Q3, Open Access]** - Ayub, Sara, Shahrin Md Ayob, Chee Wei Tan, Saad M. Arif, Muhammad Taimoor, Lubna Aziz, Abba Lawan Bukar, Qasem Al-Tashi, and
**Razman Ayop**. “Multi-Criteria Energy Management with Preference Induced Load Scheduling Using Grey Wolf Optimizer.” Sustainability 15, no. 2 (2023): 957. [**IF 3.889, Q2, Open Access]** - S. Kakar, S. M. Ayob, M. S. Bin Arif, S. S. Lee, N. J. Mohamad Nordin, and
**R. Ayop**. “A generalized switched-capacitor-based modular T-type inverter topology with reduced switch count.” International Journal of Circuit Theory and Applications. [**IF 2.378, Q3, Open Access]** **R. Ayop**, M. F. I. Zaki, C. W. Tan, S. Md Ayob, and M. J. Abdul Aziz, “Optimum sizing of components for photovoltaic maximum power point tracking buck converter,” Solar Energy, vol. 243, pp. 236-246, 2022/09/01/ 2022. [**IF 7.188, Q2, Subscription Access]**- A. Alsharif, C. W. Tan,
**R. Ayop**, A. Dobi, and K. Y. Lau, “A comprehensive review of energy management strategy in Vehicle-to-Grid technology integrated with renewable energy sources,” Sustainable Energy Technologies and Assessments, vol. 47, p. 101439, 2021/10/01/ 2021. [**IF 5.353 Q2, Subscription Access**] - A. Alsharif, C. W. Tan, R. Ayop, K. Y. Lau, and A. M. d. Dobi, “A rule-based power management strategy for Vehicle-to-Grid system using antlion sizing optimization,” Journal of Energy Storage, vol. 41, p. 102913, 2021/09/01/ 2021. [
**IF 6.583, Q1, Subscription Access**] - A simplified and fast computing photovoltaic model for string simulation under partial shading condition,” Sustainable Energy Technologies and Assessments, vol. 42, p. 100812, 2020/12/01/ 2020. [
**IF 3.427, Q2****, Subscription Access]** **R. Ayop**, C. W. Tan, and A. L. Bukar, “Simple and fast computation photovoltaic emulator using shift controller,” IET Renewable Power Generation, vol. 14, pp. 2017-2026, 2020. [**IF 3.894, Q1****, Subscription Access]***[**Free Download**Link**]*- A. L. Bukar, C. W. Tan, L. K. Yiew,
**R. Ayop**, and W.-S. Tan, “A rule-based energy management scheme for long-term optimal capacity planning of grid-independent microgrid optimized by multi-objective grasshopper optimization algorithm,” Energy Conversion and Management, vol. 221, p. 113161, 2020/10/01/ 2020. [**IF 8.028, Q1****, Subscription Access**] **R. Ayop**and C. W. Tan, “Rapid Prototyping of Photovoltaic Emulator Using Buck Converter Based on Fast Convergence Resistance Feedback Method,” IEEE Transactions on Power Electronics, vol. 34, pp. 8715-8723, 2019. [**IF 6.812, Q1****, Subscription Access**]**R. Ayop**and C. W. Tan, “A novel photovoltaic emulator based on current-resistor model using binary search computation,” Solar Energy, vol. 160, pp. 186-199, 1/15/ 2018. [**IF 4.374, Q1****, Subscription Access**]**R. Ayop**, N. M. Isa, and C. W. Tan, “Components sizing of photovoltaic stand-alone system based on loss of power supply probability,” Renewable and Sustainable Energy Reviews, vol. 81, pp. 2731-2743, 2018/01/01/ 2018. [**IF 9.184, Q1****, Subscription Access**]**R. Ayop**and C. W. Tan, “Design of boost converter based on maximum power point resistance for photovoltaic applications,” Solar Energy, vol. 160, pp. 322-335, 15 January 2018.**IF 4.374, Q1**.**R. Ayop**and C. W. Tan, “A comprehensive review on photovoltaic emulator,” Renewable and Sustainable Energy Reviews, vol. 80, pp. 430-452, December 2017. [**IF 9.184, Q1****, Subscription Access**]**R. Ayop**and C. W. Tan, “Improved control strategy for photovoltaic emulator using resistance comparison method and binary search method,” Solar Energy, vol. 153, pp. 83-95, 1 September 2017. [**IF 4.374, Q1****, Subscription Access**]

**SCOPUS Journal**

**R. Ayop**, C. W. Tan, A. L. Bukar, A. Jusoh, N. D. Muhamad, and S. N. S. Nasir, “The design of energy storage based on thermoelectric generator and bidirectional converter,” International Journal of Power Electronics and Drive Systems (IJPEDS), vol. 13, pp. 1605-1613, 2022.**[Open Access]****R. Ayop**, C. W. Tan, S. M. Ayob, N. D. Muhamad, J. J. Jamian, and Z. A. Noorden, “Photovoltaic emulator using error adjustment fuzzy logic proportional-integral controller,” International Journal of Power Electronics and Drive Systems (IJPEDS), vol. 13, pp. 1111-1118, 2022.**[Open Access]****Razman Ayop**, Chee Wei Tan, Syed Norazizul Syed Nasir, Mohd Zaki Daud, Lau Kwan Yiew, Norjulia Mohamad Nordin, Abba Lawan Bukar. “The performances of partial shading adjuster for improving photovoltaic emulator”. International Journal of Power Electronics and Drive Systems (IJPEDS), Vol 13, No 1: March 2022. http://doi.org/10.11591/ijpeds.v13.i1.pp528-536.**[Open Access]**- Oon Yi Her, Mohd Saiful Azimi Mahmud, Mohamad Shukri Zainal Abidin,
**Razman Ayop**, Salinda Buyamin. “Artificial neural network based short term electrical load forecasting”. International Journal of Power Electronics and Drive Systems (IJPEDS), Vol 13, No 1: March 2022. http://doi.org/10.11591/ijpeds.v13.i1.pp586-593.**[Open Access]** - C. Wei Tan, A. Lawan Bukar, D. Mat Said, A. Mohammed Dobi,
**R. Ayop**, and A. Alsharif, “Energy Management Strategy and Capacity Planning of an Autonomous Microgrid : Performance Comparison of Metaheuristic Optimization Searching Techniques,” Renewable Energy Focus, 2021/11/29/ 2021.**[Open Access]** - Comparison of Electronic Load using Linear Regulator and Boost Converter“, International Journal of Power Electronics and Drives (IJPEDS), Vol 12 No. 3, pp.1720-1728, September 2021.
**[Open Access]**

- S. Kakar, S. M. Ayob, M. S. Arif, N. M. Nordin, Z. Daud, and
**R. Ayop**, “A new multilevel inverter topology based on switched-capacitor technique ” International Journal of Power Electronics and Drive System (IJPEDS) vol. 12, pp. 627-636, March 2021 2021.**[Open Access]** **Razman Ayop**, C. W. T., Kwan Yiew Lau, “Computation of current-resistance photovoltaic model using reverse triangular number for photovoltaic emulator application,” Indonesian Journal of Electrical Engineering and Informatics (IJEEI), vol. 7, pp. 314-322, 2019/5/20 2019.**[Open Access]****R. Ayop**, C. W. Tan, and C. S. Lim, “The Resistance Comparison Method using Integral Controller for Photovoltaic Emulator,” International Journal of Power Electronics and Drive Systems (IJPEDS), vol. 9, 2018.**[Open Access]****R. Ayop**and C. W. Tan, “An Adaptive Controller for Photovoltaic Emulator using Artificial Neural Network,” Indonesian Journal of Electrical Engineering and Computer Science, vol. 5, pp. 556-563, 2017.**[Open Access]**

**Non-Index Journal**

- A. Alsharif, C. W. Tan,
**R. Ayop**, M. N. Hussin, and A. L. Bukar, “Sizing Optimization Algorithm for Vehicle-to-Grid System Considering Cost and Reliability Based on Rule-Based Scheme”, Elektrika, vol. 21, no. 3, pp. 6–12, Dec. 2022. - A. Alsharif, C. W. Tan,
**R. Ayop**, M. N. Hussin, and A. L. Bukar, “Sizing Optimization Algorithm for Vehicle-to-Grid System Considering Cost and Reliability Based on Rule-Based Scheme”, Elektrika, vol. 21, no. 3, pp. 6–12, Dec. 2022. - S. Md Ayob, C. W. Tan,
**R. Ayop**, and M. Z. Daud, “The Implementation of Photovoltaic Academic Service Learning at School and Its Impact on Student Schools and Student Facilitators,” Asean Journal of Engineering Education, vol. 6, pp. 26 – 30, 12/19 2022. - Maulidatul Huda Jasni, Shahrin Md Ayob and
**Razman Ayop**, “Performance Analysis of Cross-Connected Sources Multilevel Inverter (CCSMLI) based on NLM and SHE Switching Schemes”, ELEKTRIKA, Vol. 21 No. 2, pp 42-49, August 2022.**[Open Access]** - A. Alsharif, C. W. Tan,
**R. Ayop**, A. A. Ahmed, and M. M. Khaleel, “Electric Vehicle Integration with Energy Sources: Problem and Solution Review,” African Journal of Advanced Pure and Applied Sciences (AJAPAS), vol. 1, pp. 17-20, 2022.**[Open Access]** - A. Alsharif, C. W. Tan,
**R. Ayop**, A. A. A. Ahmed, A. Alanssari, and M. M. Khaleel, “Energy Management Strategy for Vehicle-to-Grid Technology Integration with Energy Sources: Mini review,” African Journal of Advanced Pure and Applied Sciences (AJAPAS), vol. 1, pp. 12-16, 2022.**[Open Access]** - S. M. Ayob, S. Khan, M. Z. Daud, and
**R. Ayop**, “Switching Modulation Strategies for Multilevel Inverter,” ELEKTRIKA-Journal of Electrical Engineering, vol. 20, pp. 1-7, 2021.**[Open Access]** - A. Alsharif, T. C. Wei,
**R. Ayop**, K. Y. Lau, and A. Lawan, “A Review of the Smart Grid Communication Technologies in Contactless Charging with Vehicle to Grid Integration Technology,” Journal of Integrated and Advanced Engineering (JIAE), vol. 1, 2021.**[Open Access]**

**Index Proceedings/Conferences**

- Structure of Polypropylene, Ethylene-Propylene- Diene-Monomer and Magnesium Oxide for the Formulation of PP Blend Nanocomposites,” in 2023 IEEE 3rd International Conference in Power Engineering Applications (ICPEA), 2023, pp. 221-224.
**[Subscription Access]** - Direct Current Breakdown Properties of Polypropylene Nanocomposites Containing Magnesium Oxide,” in 2023 IEEE 3rd International Conference in Power Engineering Applications (ICPEA), 2023, pp. 225-228.
**[Subscription Access]** - Impact of parallel high voltage transformers with and without earthing transformer,” AIP Conference Proceedings, vol. 2643, p. 040014, 2023.
- Minimizing Power Loss in Distribution System Considering Mass Charging Station Operation,” in 2022 IEEE International Conference on Power and Energy (PECon), 2022, pp. 251-256.
**[Subscription Access]** - A Unit Step Direct Model Predictive Control for a Battery/Supercapacitor Hybrid Energy Storage System.” 2022 IEEE International Conference on Power and Energy (PECon). 5-6 Dec. 2022.
**[Subscription Access]** - Power loss mitigation and voltage profile improvement by optimizing distributed generation,” Journal of Physics: Conference Series, vol. 2312, p. 012023, 2022/08/01 2022.
**[Open Access]** - Power Management and Sizing Optimization for Hybrid Grid-Dependent System Considering Photovoltaic Wind Battery Electric Vehicle,” 2022 IEEE 2nd International Maghreb Meeting of the Conference on Sciences and Techniques of Automatic Control and Computer Engineering (MI-STA), 2022, pp. 645-649, doi: 10.1109/MI-STA54861.2022.9837749.
**[Subscription Access]** - Using of Neural Network-Based Controller to Obtain the Effect of Hub Motors Weight on Electric Vehicle Ride Comfort,” 2022 IEEE 2nd International Maghreb Meeting of the Conference on Sciences and Techniques of Automatic Control and Computer Engineering (MI-STA), 2022, pp. 189-192, doi: 10.1109/MI-STA54861.2022.9837608.
**[Subscription Access]** - Sizing of Standalone Photovoltaic-Thermoelectric Cogeneration System Using Particle Swarm Optimization,” Singapore, 2022, pp. 465-477.
**[Subscription Access]** - Model Predictive Control for Induction Motor Fed by 5-Level Cascaded H-Bridge Inverter,” in Proceedings of the 11th International Conference on Robotics, Vision, Signal Processing and Power Applications: Enhancing Research and Innovation through the Fourth Industrial Revolution, 2022, p. 144.
**[Subscription Access]** - Photovoltaic Emulator using Particle Swarm Optimization,” in 2021 IEEE Conference on Energy Conversion (CENCON), 2021, pp. 17-21.
**[Subscription Access]**

- S. S. Nasir, W. W. Yusoff, J. Jamian and
**R. Ayop**, “Reducing power loss considering massive charging station using metaheuristic technique,” 2021 IEEE Conference on Energy Conversion (CENCON), 2021, pp. 169-173, doi: 10.1109/CENCON51869.2021.9627265.**[Subscription Access]** - A. L. Bukar, C. W. Tan, K. Y. Lau, C. L. Toh,
**R. Ayop**, and A. T. Dahiru, “Energy Management Strategy and Capacity Planning of an Autonomous Microgrid: A Comparative Study of Metaheuristic Optimization Searching Techniques,” in 2021 IEEE Conference on Energy Conversion (CENCON), 2021, pp. 190-195.**[Subscription Access]** - A. Alsharif, C. W. Tan,
**R. Ayop**, K. Y. Lau, and C. L. Toh, “Sizing of Photovoltaic Wind Battery system integrated with Vehicle-to-Grid using Cuckoo Search Algorithm,” in 2021 IEEE Conference on Energy Conversion (CENCON), 2021, pp. 22-27.**[Subscription Access]** - F. Alam, M. S. Bin Arif, S. Bin Md Ayob and
**R. Ayop**, “Single Phase Nine-Level Symmetrical Inverter Topology with Reduced Switch Count and Total Standing Voltage,” 2021 IEEE Conference on Energy Conversion (CENCON), 2021, pp. 97-102, doi: 10.1109/CENCON51869.2021.9627258.**[Subscription Access]** - M. T. A. Ratul, M. S. A. Mahmud, M. S. Z. Abidin, and
**R. Ayop**, “Design and Development of GMapping based SLAM Algorithm in Virtual Agricultural Environment,” in 2021 11th IEEE International Conference on Control System, Computing and Engineering (ICCSCE), 2021, pp. 109-113.**[Open Access]** **R. Ayop**, C. Tan, S. S. Nasir, N. Nordin, and M. Mahmud, “Angle-Based Photovoltaic Curve Tracing using Boost Converter,” in Journal of Physics: Conference Series, 2021, p. 012016. (ISI Index).**[Open Access]**- S. S. Nasir,
**R. Ayop**, and J. Jamian, “VSI improvement using SVC with aid of a modified lightning search algorithm,” in 2021 IEEE International Conference in Power Engineering Application (ICPEA), 2021, pp. 56-61.**[Subscription Access]** - S. Syed Nasir, J. Jamian,
**R. Ayop**, and M. Mustafa, “Enhancing power loss by optimal coordinated extensive CS operation during off-peak load at the distribution system,” E3S Web Conf., vol. 231, p. 01003, 2021.**[Open Access]** **Ayop, R**., et al. (2021). Buck Converter Design for Photovoltaic Emulator Application. 2020 IEEE International Conference on Power and Energy (PECon2020).**[Subscription Access]**- A. Azmi, K. Y. Lau, N. A. Ahmad, Z. Abdul-Malek, C. W. Tan, and
**R. Ayop**, “Thermal and Dielectric Properties of Thermally Aged Polypropylene/Calcium Carbonate Nanocomposites,” in 2020 IEEE International Conference on Power and Energy (PECon), 2021, pp. 255-258.**[Subscription Access]** - S. S. Nasir,
**R. Ayop**, and J. Jamian, “Harmonic Distortion Improvement Considering Bulk Charging Station and Distributed Generation,” in 2020 IEEE International Conference on Power and Energy (PECon), 2021, pp. 276-281.**[Subscription Access]** **R. Ayop**and C. W. Tan, “A comparison study of interpolation and circuit based photovoltaic mathematical models,” in 2016 IEEE International Conference on Power and Energy (PECon), 2016, pp. 626-631.**[Subscription Access]**

**Non-Index Proceedings/Conferences**

- S. A. D. Subramaniam and
**R. Ayop**, “Thermoelectric Generator with Bidirectional Conveter as an Energy Storage System,” in Proceedings of 2022 Electrical Engineering Symposium (EES2022), School of Electrical Engineering, Universiti Teknologi Malaysia, 2022, pp. 560-565. - S. A. K. Amin and
**R. Ayop**. 2022. “Thermoelectric Generator Emulator using Buck Converter.” Proceedings of 2022 Electrical Engineering Symposium (EES2022). School of Electrical Engineering, Universiti Teknologi Malaysia, - G. K. Ragubathi and
**R. Ayop**. 2022. “Flyback Converters using Analog Devices Switching Regulators for Electronic Devices ” Proceedings of 2022 Electrical Engineering Symposium (EES2022). School of Electrical Engineering, Universiti Teknologi Malaysia. - Shahrin Md Ayob, Chee Wei Tan,
**Razman Ayop**and Mohd. Zaki Daud (2022). Academic Service-Learning Outcome On The University Student Attributes. 2022 Symposium on Teaching and Learning Practices in Electrical Engineering (STLEE 2022). e-ISBN 978-629-97424-0-1.**[Open Access]** - A. Alsharif, T. C. Wei, and
**R. Ayop**, “Ant Lion Optimization of On-Grid Supported by PV/Wind Considering Libyan Energy,” Science Proceedings Series, vol. 3, pp. 9-15, 2021.**[Open Access]** - Muhamad Ammar Rahimi Megat Adnan,
**Razman Ayop**, “Comparative Study of Photovoltaic Emulator with Partial Shading Capability using Proportional-Integral Controller and Fuzzy Logic Controller”, Proceedings of 2021 Electrical Engineering Symposium (EES2021), pp. 260-265. - Michael Benggang Martin,
**Razman Ayop**, “Particle Swarm Optimization for Maximum Power Point Tracking During Partial Shading”, Proceedings of 2021 Electrical Engineering Symposium (EES2021), pp. 385-390. - Mohammad Amirul Asraf Abid,
**Razman Ayop**, “Photovoltaic Tracer using Boost Converter”, Proceedings of 2021 Electrical Engineering Symposium (EES2021), pp. 400-405. - Muhammad Noor M Saud and
**Razman Ayop**(2020), Closed Loop Forward Converter With Variable Output Voltage With Fuzzy Logic Controller And Internet Of Thing Capability For Agriculture, Proceedings of 2020 Electrical Engineering Symposium (EESS2020).

**Book Chapter **

- R. Ayop, C. W. Tan, J. J. Jamian, and Z. A. Noorden, “Control Strategy in Photovoltaic Emulator ” in Advances in Power electronics and Motor Drives, S. Ayob and R. Ayop, Eds., ed Johor, Malaysia: Penerbit UTM, 2022, pp. 147-164.
**[Non-Index, Subscription Access]** - S. Ayob and R. Ayop, “Power Electronics and Motor Drives,” in Advances in Power electronics and Motor Drives, S. Ayob and R. Ayop, Eds., ed Johor, Malaysia: Penerbit UTM, 2022, pp. 1-14.
**[Non-Index, Subscription Access]**

**Thesis**

- Control of the Photovoltaic Emulator Using Fuzzy Logic Based Resistance Feedback and Binary Search, Doctor of Philosophy (Electrical Engineering), Universiti Teknologi Malaysia, 2018.
- Energy Storage Sizing Based On Loss-Of-Load Probability of Photovoltaic System, Master of Electrical Engineering, Universiti Teknologi Malaysia, 2015.
- Push Pull Converter Applied for Animal Repellent, Bachelor of Electrical Engineering, Universiti Teknologi Malaysia, 2013.

**Attend Conference**

- 2022 IEEE 2nd International Maghreb Meeting of the Conference on Sciences and Techniques of Automatic Control and Computer Engineering (MI-STA 2022). Sabratha City, Libya. Co-author. 24/05/22.
- 3rd International Conference on Control, Instrumentation and Mechatronics Engineering (CIM 2022). Co-author. 30/03/22.
- 2021 IEEE Conference on Energy Conversion (CENCON 2021). Presenter. Co-author . 25/10/21.
- 11th International Conference on Robotics, Vision, Signal Processing and Power Applications: Enhancing Research and Innovation through the Fourth Industrial Revolution (RoViSP 2021). Co-author. Penang, Malaysia. 05/04/21.
- 2021 IEEE International Conference in Power Engineering Application (ICPEA). Co-author. 08/03/21.
- International Conference on Emerging Electrical Energy, Electronics and Computing Technologies 2020 (ICE4CT 2020). Presenter. 21/12/20.
- IEEE International Conference on Power and Energy (PECON) 2020. Presenter. 07/12/20.
- The International Conference on Electrical, Electronic, Communication and Control Engineering (ICEECC) 2018. KSL Hotel Johor Bahru. Presenter. 28/11/18.
- The International Conference on Electrical, Electronic, Communication and Control Engineering (ICEECC) 2017. UTM Kuala Lumpur Campus, Presenter. 05/12/17.
- The International Conference on Electrical, Electronic, Communication and Control Engineering (ICEECC) 2016. Faculty of Electrical Engineering UTM. Presenter. 18/12/16.
- IEEE International Conference on Power and Energy (PECON) 2016. Hatten Hotel Melaka. Presenter. 28/11/16.
- IEEE Conference on Energy Conversion (CENCON) 2015, Berjaya Waterfall Hotel. Attendee. 19/10/15.