Journals
2018, Ahmad, H., Othman, N. A. and M. S. Ramli, “A Solution to Partial Observability in Extended Kalman Filter Mobile Robot Navigation”. Telkomnika, Vol. 16 (1). Page: 134-141. (Scopus-indexed Journal)
2017, Ahmad, H. and Othman, N. A., “Fuzzy Logic Based EKF for Mobile Robot Navigation: An Analysis of Different Fuzzy Membership Functions”. Pertanika Journal of Science & Technology, Vol. 25 (S). Page: 189-198. UPM Press. (ISI-Emerging Sources Journal and Scopus-indexed Journal)
2016, Othman, N. A. and Ahmad, H., “Examining the Eigenvalues Effect to the Computational Cost in Mobile Robot Simultaneous Localization and Mapping”. Computers and Electrical Engineering, Vol. 56. Page: 659-673. Elsevier.
(ISI-indexed Journal)
2016, Ahmad, H. and Othman, N. A., “A Solution to Finite Escape Time for H-Infinity Filter based SLAM”. Journal of Telecommunication, Electronic and Computer Engineering, Vol. 8. No. 11. Page: 7-13.
(Scopus-indexed Journal)
2015, Othman, N. A., Ahmad, H., and Namerikawa, T., “Sufficient Condition for Estimation in Designing H∞ Filter-Based SLAM”. Mathematical Problems in Engineering. Hindawi. Vol. 2015. Article ID 238131. 14 pages.
(ISI-indexed Journal)
2015, Ahmad, H. and Othman, N. A., “The Impact of Cross-correlation on Mobile Robot Localization”. International Journal of Control, Automation, and Systems. Vol. 13. No. 5. Page: 1251-1261. Springer.
(ISI-indexed Journal)
2015, Ahmad, H. and Othman, N. A., “HF-Fuzzy Logic Based Mobile Robot Navigation: A Solution to Finite Escape Time”. ARPN Journal of Engineering and Applied Sciences. Vol. 10. No. 23. Page: 17559-17565. ARPN.
(Scopus-indexed Journal)
Conference Proceedings
2018, Othman, N. A., Jaffar, M. I., Ahmad, H. and Hassan, M. H. A., “Development and Localization of a Mobile Robot”, 5th Mechanical Engineering Research Day 2018 (MERD’18), Malaysia (Melaka).
2018, Othman, N. A., W Ahmad Puzi, W. M. S., Ahmad, H. and Hassan, M. H. A., “Measurement of Sand Moisture Composition for Concrete Mixture”, 5th Mechanical Engineering Research Day 2018 (MERD’18), Malaysia (Melaka).
2017, Ahmad, H., Othman, N. A. and Ramli, M. S., “A Solution to Partial Observability in Extended Kalman Filter Mobile Robot Navigation”, International Conference on Electrical, Electronic, Communication and Control Engineering (ICEECC2017), Malaysia (Kuala Lumpur).
2017, Ahmad, H., Mohd Amin, S. N. A., Daud, M. R., Razali, S., Othman, N. A. and Ramli, M. S., “Robotics in School: A Stem Approach for Creativity and Innovation,” 4th National Conference on Knowledge Transfer (NCKT’17), Malaysia (Kedah).
2016, Ahmad, H. and Othman, N. A., “Fuzzy Logic Based EKF for Mobile Robot Navigation: An Analysis of Different Fuzzy Membership Functions,” International Multi-Conference on Artificial Intelligence Technology (M-CAIT 2016), Malaysia (Melaka).
2016, Ahmad, H., Mohd Amin, S. N. A., Daud, M. R., Razali, S., Othman, N. A. and Ramli, M. S., “Route to Innovation and Creativity: A Case Study on Robotic Application to Schools in Pekan, Pahang,” National Conference on Knowledge Transfer (NCKT’16), Malaysia (Penang).
2016, Ahmad, H. and Othman, N. A., “Investigation on Intermittent Observation in Mobile Robot Localization with Fuzzy Logic Technique,” IEEE International Conference on Automatic Control and Intelligent Systems (I2CACIS), Malaysia (Selangor).
2015, Ahmad, H., Othman, N. A., Razali, S. and Daud, M.R., “FEKF Estimation for Mobile Robot Localization and Mapping Considering Noise Divergence,” Malaysian Technical Universities Conference on Engineering and Technology (MUCET), Malaysia (Johor).
2015, Ahmad, H. and Othman, N. A., “A Solution to Finite Escape Time for H∞ Filter based SLAM,” 2015 Asian Control Conference, Malaysia (Kota Kinabalu).
2014, Othman, N. A. and Ahmad, H., “Estimation Behavior of Intermittent Measurement in EKF Based SLAM,” IEEE Symposium on Industrial Electronics & Applications, Malaysia (Kota Kinabalu).
2014, Ahmad, H., Othman, N. A., Razali, S., and Mohamed, M. R., “Analyzing the Mobile Robot Localization Performance in Partially Observable Conditions,” IEEE Symposium on Industrial Electronics & Application, Malaysia (Kota Kinabalu).
2014, Othman, N. A. and Ahmad, H., “An Approach to Reduce Computational Cost for Localization Problem,” Colloquium on Robotics, Unmanned Systems and Cybernetics 2014, Malaysia (Pahang).
2014, Ahmad, H. and Othman, N. A., “An Analysis of γ Effects to H∞ Filter-based Localization,” Colloquium on Robotics, Unmanned Systems and Cybernetics 2014, Malaysia (Pahang).
2013, Othman, N. A. and Ahmad, H., “The Effect of Intermittent Measurement in Simultaneous Localization and Mapping”, 2013 IEEE International Conference on Control System, Computing and Engineering, Malaysia (Penang).
2013, Othman, N. A. and Ahmad, H., “The Analysis of Covariance Matrix for Kalman Filter based SLAM with Intermittent Measurement”, 2013 International Conference on Systems, Control and Informatics, Italy (Venice).
2013, Othman, N. A., Ahmad, H., and Razali, S., “Analysis of Intermittent Measurement for KF-based SLAM,” 2nd International Conference on Electrical, Control and Computer Engineering, Malaysia (Pahang).
2013, Ahmad, H., Othman, N. A., and Razali, S.,“The Importance of Cross-Correlation and its Effect to Mobile Robot Localization,” 2nd International Conference on Electrical, Control and Computer Engineering, Malaysia (Pahang).
2013, Othman, N. A., Karim, N. M., Sufyan, M., and Soin, N., “Impact of Processing Parameters on Low-Voltage Power MOSFET Threshold Voltage Considering Defect Generation”, IEEE Regional Symposium on Micro & Nanoelectronics, Malaysia (Langkawi).