Outputs (52)

Design and implementation of a quadruped amphibious robot using duck feet (2019)
Journal Article
Kashem, S. B. A., Jawed, S., Ahmed, J., & Qidwai, U. (2019). Design and implementation of a quadruped amphibious robot using duck feet. Robotics, 8(3), Article 77. https://doi.org/10.3390/robotics8030077

Roaming complexity in terrains and unexpected environments pose significant difficulties in robotic exploration of an area. In a broader sense, robots have to face two common tasks during exploration, namely, walking on the drylands and swimming thro... Read More about Design and implementation of a quadruped amphibious robot using duck feet.

Modified Series-Parallel Photovoltaic Configuration to Enhance Efficiency under Partial Shading (2019)
Journal Article
Ahmed, J., Nabipour-Afrouzi, H., & Tajuddin, M. F. N. (2019). Modified Series-Parallel Photovoltaic Configuration to Enhance Efficiency under Partial Shading. International Journal of Integrated Engineering, 11(3), 207-215. https://doi.org/10.30880/ijie.+

Partial shading is a phenomenon where photovoltaics (PV) array experiences irregular level of irradiances. Such mismatch can cause a significant reduction in power yield. To mitigate the effect of partial shading, PV modules in an array are connected... Read More about Modified Series-Parallel Photovoltaic Configuration to Enhance Efficiency under Partial Shading.

Comprehensive Review on Appropriate Sizing and Optimization Technique of Hybrid PV-Wind System (2018)
Presentation / Conference Contribution
Nabipour-Afrouzi, H., Yii, S., Ahmad, J., & Tabassum, M. (2018). Comprehensive Review on Appropriate Sizing and Optimization Technique of Hybrid PV-Wind System. In 2018 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC). https://doi.o

The energy consumption is increasing at an alarming rate due to the growth of world population. Hybrid renewable energy system (HRES) is becoming more trending as the sources involved such as wind and solar radiation to generate energy is environment... Read More about Comprehensive Review on Appropriate Sizing and Optimization Technique of Hybrid PV-Wind System.

Mitigating the effect of partial shading by triple-tied configuration of PV modules (2018)
Presentation / Conference Contribution
Kho, C. T. K., Ahmed, J., Then, Y. L., & Kermadi, M. (2018). Mitigating the effect of partial shading by triple-tied configuration of PV modules. In 2018 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC) (532-537). https://doi.org/10

Partial shading is the phenomenon, which occurs when PV modules receive irregular irradiance on a PV array. Due to that, shaded PV modules are bypassed by diodes and significant reduction in power is experienced. To counter such problem, PV modules a... Read More about Mitigating the effect of partial shading by triple-tied configuration of PV modules.

A Game-Based Approach for Hemiplegia Lower Limb Rehabilitation (2018)
Presentation / Conference Contribution
Gian, K. S. M., Then, Y. L., Tay, F. S., Ahmed, J., & Vithanawasam, C. K. (2018). A Game-Based Approach for Hemiplegia Lower Limb Rehabilitation. In 2018 2nd International Conference on BioSignal Analysis, Processing and Systems (ICBAPS) (103-108). https

Hemiplegia is paralysis which occurs on one half of the body. Rehabilitation for hemiplegic patients, in order to prevent muscle degeneration from prolonged under-usage, can be boring as it requires the same movements to be performed repeatedly. This... Read More about A Game-Based Approach for Hemiplegia Lower Limb Rehabilitation.

An effective hybrid maximum power point tracker of photovoltaic arrays for complex partial shading conditions (2018)
Journal Article
Kermadi, M., Salam, Z., Ahmed, J., & Berkouk, E. M. (2019). An effective hybrid maximum power point tracker of photovoltaic arrays for complex partial shading conditions. IEEE Transactions on Industrial Electronics, 66(9), 6990-7000. https://doi.org/10.11

This paper proposes an improved maximum power point tracker (MPPT) for photovoltaic (PV) system. The scheme is a hybrid between the adaptive perturb and observe and particle swarm optimization (PSO). The algorithm incorporates the search-skip-judge (... Read More about An effective hybrid maximum power point tracker of photovoltaic arrays for complex partial shading conditions.

An experimental study of the amphibious robot inspired by biological duck foot (2018)
Presentation / Conference Contribution
Kashem, S. B. A., Jawed, S., Ahmed, J., & Iqbal, A. (2018). An experimental study of the amphibious robot inspired by biological duck foot. In 2018 IEEE 12th International Conference on Compatibility, Power Electronics and Power Engineering (CPE-POWERENG

A lot of issues are faced in the exploration due to complexity of terrain and/or unexpected environment, due to which many places are left unmapped. The aim of this project is to design and develop an amphibious robot which uses webbed duck feet desi... Read More about An experimental study of the amphibious robot inspired by biological duck foot.

An enhanced adaptive P&O MPPT for fast and efficient tracking under varying environmental conditions (2018)
Journal Article
Ahmed, J., & Salam, Z. (2018). An enhanced adaptive P&O MPPT for fast and efficient tracking under varying environmental conditions. IEEE Transactions on Sustainable Energy, 9(3), 1487-1496. https://doi.org/10.1109/TSTE.2018.2791968

This paper proposes an enhanced adaptive perturb and observe (EA-P&O) maximum power point tracking (MPPT) algorithm for the photovoltaic system. The objective is to mitigate the limitations of the conventional P&O namely, the steady-state oscillation... Read More about An enhanced adaptive P&O MPPT for fast and efficient tracking under varying environmental conditions.

Tea leaves moisture prediction using one-port monopole sensor (2017)
Presentation / Conference Contribution
Ling, J., Then, Y., You, K., Ahmed, J., & Zaidel, D. (2017). Tea leaves moisture prediction using one-port monopole sensor. In 2017 IEEE Asia Pacific Microwave Conference (APMC) (654-657). https://doi.org/10.1109/APMC.2017.8251531

This paper presents the application of using a coaxial monopole sensor for determining and formulating the relationship between the reflection coefficient and the moisture content of tea leaves. A coaxial monopole sensor with operating frequency rang... Read More about Tea leaves moisture prediction using one-port monopole sensor.

A comprehensive review on PV configurations to maximize power under partial shading (2017)
Presentation / Conference Contribution
Kho, C. T. K., Ahmed, J., Kashem, S., & Then, Y. L. (2017). A comprehensive review on PV configurations to maximize power under partial shading. In TENCON 2017 - 2017 IEEE Region 10 Conference (763-768). https://doi.org/10.1109/TENCON.2017.8227962

Partial shading is the condition where PV array experiences different level of irradiances on it which results significant reduction in output power. To handle that issue, PV modules are connected in various configurations as reported in the literatu... Read More about A comprehensive review on PV configurations to maximize power under partial shading.