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236 results on '"Shahriman, A B"'

3. Hurst Exponent Based Brain Behavior Analysis of Stroke Patients Using EEG Signals

Author

Choong, Wen Yean, Khairunizam, Wan, Murugappan, Murugappan, Omar, Mohammad Iqbal, Bong, Siao Zheng, Junoh, Ahmad Kadri, Razlan, Zuradzman Mohamad, Shahriman, A. B., Mustafa, Wan Azani Wan, Angrisani, Leopoldo, Series Editor, Arteaga, Marco, Series Editor, Panigrahi, Bijaya Ketan, Series Editor, Chakraborty, Samarjit, Series Editor, Chen, Jiming, Series Editor, Chen, Shanben, Series Editor, Chen, Tan Kay, Series Editor, Dillmann, Rüdiger, Series Editor, Duan, Haibin, Series Editor, Ferrari, Gianluigi, Series Editor, Ferre, Manuel, Series Editor, Hirche, Sandra, Series Editor, Jabbari, Faryar, Series Editor, Jia, Limin, Series Editor, Kacprzyk, Janusz, Series Editor, Khamis, Alaa, Series Editor, Kroeger, Torsten, Series Editor, Liang, Qilian, Series Editor, Martín, Ferran, Series Editor, Ming, Tan Cher, Series Editor, Minker, Wolfgang, Series Editor, Misra, Pradeep, Series Editor, Möller, Sebastian, Series Editor, Mukhopadhyay, Subhas, Series Editor, Ning, Cun-Zheng, Series Editor, Nishida, Toyoaki, Series Editor, Pascucci, Federica, Series Editor, Qin, Yong, Series Editor, Seng, Gan Woon, Series Editor, Speidel, Joachim, Series Editor, Veiga, Germano, Series Editor, Wu, Haitao, Series Editor, Zhang, Junjie James, Series Editor, Md Zain, Zainah, editor, Ahmad, Hamzah, editor, Pebrianti, Dwi, editor, Mustafa, Mahfuzah, editor, Abdullah, Nor Rul Hasma, editor, Samad, Rosdiyana, editor, and Mat Noh, Maziyah, editor

Published
2021
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4. Preliminary Analysis of Human Behaviors Based on Buss-Perry Questionnaire Score for Designing Measures of Aggression

Author

Tung, Kai Xu, Khairunizam, Wan, Mustafa, Wan Azani, Shahriman, A. B., Zuradzman, M. R., Abdullah, Azian Azamimi, Cavas-Martínez, Francisco, Series Editor, Chaari, Fakher, Series Editor, Gherardini, Francesco, Series Editor, Haddar, Mohamed, Series Editor, Ivanov, Vitalii, Series Editor, Kwon, Young W., Series Editor, Trojanowska, Justyna, Series Editor, di Mare, Francesca, Series Editor, Bahari, Muhammad Syahril, editor, Harun, Azmi, editor, Zainal Abidin, Zailani, editor, Hamidon, Roshaliza, editor, and Zakaria, Sakinah, editor

Published
2021
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5. Rehabilitation Progress of Arm VR Game Based on Hand Trajectory

Author

Cahyadi, B. N., Khairunizam, Wan, Diny Syarifah, S., Mustafa, Wan Azani, Shahriman, A. B., Zuradzman, M. R., Cavas-Martínez, Francisco, Series Editor, Chaari, Fakher, Series Editor, Gherardini, Francesco, Series Editor, Haddar, Mohamed, Series Editor, Ivanov, Vitalii, Series Editor, Kwon, Young W., Series Editor, Trojanowska, Justyna, Series Editor, di Mare, Francesca, Series Editor, Bahari, Muhammad Syahril, editor, Harun, Azmi, editor, Zainal Abidin, Zailani, editor, Hamidon, Roshaliza, editor, and Zakaria, Sakinah, editor

Published
2021
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16. CFD Simulation on Improving Water Quality based on Various Aerator Models to Demonstrate Cost Performance Analysis

Author

Norbashah, N N, primary, Rani, M F H, additional, Kamarrudin, N S, additional, Shahriman, A B, additional, Razlan, Z M, additional, Wan, W K, additional, Hashim, M S M, additional, Ibrahim, I., additional, Rahman, A, additional, Ibrahim, Z., additional, Faizi, M K, additional, Hassan, M A S M, additional, Abd Manap, A A, additional, and Zainuddin, I F, additional

Published
2021
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17. Engine Performance Analysis by Studying Heat Transfer in the Valve Seat through Steady-State Thermal Simulation

Author

Hassan, M A S M, primary, Shahriman, A B, additional, Razlan, Z M, additional, Kamarrudin, N S, additional, Khairunizam, W K N, additional, Hashim, M S M, additional, Harun, A, additional, Ibrahim, I, additional, Azizul Aziz, I, additional, Ibrahim, Z, additional, Faizi, M K, additional, Rani, M F H, additional, Rahman, A, additional, Rojan, M A, additional, and Murali, R, additional

Published
2021
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25. Investigating the thermal characteristic of copper alloys valve seat towards engine performance enhancement of MODENAS CT115 through steady-state analysis

Author

Zainol, M A A, primary, Hassan, M A S M, additional, Shahriman, A B, additional, Razlan, Z M, additional, Rahman, A.A., additional, Hashim, M S M, additional, Kamarrudin, N S, additional, Khairunizam, W K N, additional, Harun, A, additional, Ibrahim, I, additional, Faizi, M K, additional, and Rani, M F H, additional

Published
2021
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29. Engine performance enhancement by improving heat transfer in between exhaust valve and valve seat through CFD (transient thermal) simulation

Author

Hassan, M. A. S. M., primary, Shahriman, A. B., additional, Razlan, Z. M., additional, Kamarrudin, N. S., additional, Aziz, I. Azizul, additional, Khairunizam, WAN, additional, Hashim, M. S. M., additional, Harun, A., additional, Ibrahim, I., additional, Ibrahim, Z., additional, Faizi, M. K., additional, Rani, M. F. H., additional, and Murali, R., additional

Published
2021
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31. Real Detection of 3D Human Hand Orientation Based Morphology

Author

Khairunizam Wan, Waleed A. Oraibi, S. Faiz Ahmed, M.S Jawad, Desa Hazry, Zuradzman M. Razlan, Taha A. Taha, Wesam Al-Mufti, Shahriman A B, and Abadal-Salam T. Hussain

Subjects
Materials science, Morphology (linguistics), Geometry, General Medicine, Orientation (graph theory)
Published
2017

32. Signal Propagation Modelling for Vehicle-To-Infrastructure Communication Under the Influence of Metal Obstruction.

Author

Turner, J. S. C., Shahriman, A. B., Harun, A., Hashim, M. S. M., Razlan, Z. M., Ndzi, D. L., Ismail, R. C., Murad, S. A. Z., Isa, M. N. M., Mohyar, S. N., Ramli, M. F., and Zulkifli, M. K. N.

Subjects
*RADIO wave propagation, *COMMUNICATION models, *TRAFFIC flow, *METALS, *ROAD closures, *CITY traffic, *PARKING lots
Abstract

Connected car has become one of emerging technology in the automotive industries today. This development preludes a rise in vehicular communication studies that primarily targets radio channel modelling on vehicle-to-vehicle (V2V) and vehicle-to-infrastructure (V2I) communication mode. Considering vehicular obstruction, vast channel propagation studies have focused more on V2V mode while others consider the typical urban scenarios consisting of high traffic volumes of moving vehicles. Due to challenging propagation mechanisms and high complexity in such areas, radio propagation models applied in simulators assume an obstacle-free environment rather than considering the least effect imposed by metal obstruction on communication signal. Besides, there are limited studies pertaining to metal obstruction that considers several under-explored environments such as actual parking lots, junctions and other road infrastructure support. As such, this paper demonstrates signal attenuation analysis caused by the presence of metal objects in low density over obstacle-free environment on actual parking lot via V2I mode. Two scenarios such as LOS and NLOS conditions consisting of obstacle-free, cars and buses as static metal objects are evaluated. The aim of this research is to characterize signal strength caused by metal blockage on radio wave propagation predicated on the presence of vehicles as a subject of obstruction in comparison to obstacle-free vehicular environment. The validity of data is shown through received signal strength indicator (RSSI) and approximation analysis (RMSE) to demonstrate the efficiency of obtained measurements. The results demonstrated that Log-normal shadowing model yields the best fit to low-density metal obstruction scenario with smallest RMSE of 4.78 under bus obstruction whereas 5.72 under car obstruction. [ABSTRACT FROM AUTHOR]

Published
2021

33. Engine performance enhancement by improving heat transfer in between exhaust valve and valve seat through CFD (transient thermal) simulation.

Author

Hassan, M. A. S. M., Shahriman, A. B., Razlan, Z. M., Kamarrudin, N. S., Aziz, I. Azizul, Khairunizam, WAN, Hashim, M. S. M., Harun, A., Ibrahim, I., Ibrahim, Z., Faizi, M. K., Rani, M. F. H., Murali, R., Rahim, Shayfull Zamree Abd, Saad, Mohd Nasir Mat, Abdullah, Mohd Mustafa Al Bakri, Tahir, Muhammad Faheem Mohd, and Mortar, Nurul Aida Mohd

Subjects
*HEAT transfer, *COMPUTATIONAL fluid dynamics, *VALVES, *INTERNAL combustion engines, *COMBUSTION chambers, *THERMAL conductivity, *EXHAUST gas recirculation, *BERYLLIUM
Abstract

The combustion of the internal combustion engine results in high heat and pressure produce as exhaust gas. The high-temperature exhaust gas will transfer the heat to surrounding via convection, conduction, and radiation. In the combustion chamber, the exhaust valve and its seat will reach high temperatures due to hot gases exit through the engine exhaust port. This high temperature must be reduced to avoid damaging the engine. In this project, the existing material of the valve seat is tested using computational fluid dynamics simulation for heat analysis. Simulation of transient thermal is conducted to study the detailed behavior of heat transfer of the valve and valve seat in the engine. Four copper-based material of the valve seat is selected which is beryllium copper, chromium copper, brass, bronze are simulated. In the simulation, the brass valve seat has the highest heat absorbance rate which averagely 30% higher than cast iron valve seat in terms of temperature differences. Most of the copper-based valve seat can absorb averagely 10% to 30% more heat than cast iron valve seat depends on the material's thermal conductivity. [ABSTRACT FROM AUTHOR]

Published
2020
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34. Design optimization of exhaust manifold's bending radius for spark ignition (SI) engine through CFD analysis on low end RPM using Taguchi's method.

Author

Murali, R., Shahriman, A. B., Razlan, Z. M., Kamarrudin, N. S., Aziz, I. Azizul, Khairunizam, Wan, Ma'arof, M. I. N., Bo, L. L., Hassan, M. A. S., Rahim, Shayfull Zamree Abd, Saad, Mohd Nasir Mat, Abdullah, Mohd Mustafa Al Bakri, Tahir, Muhammad Faheem Mohd, and Mortar, Nurul Aida Mohd

Subjects
*TAGUCHI methods, *ENERGY consumption, *ENGINES, *EXHAUST systems, *MATHEMATICAL optimization, *EXPERIMENTAL design
Abstract

Backpressure is considered as an obstruction on the flow of exhaust for any internal combustion (IC) engine. The level of backpressure can affect the amount of emissions and fuel consumption and the performance of the engine. Hence, the backpressure is considered a bad factor for an engine. Even though backpressure could not be eliminated completely, it could be minimized through design optimization of exhaust system. This paper shows the effects of exhaust manifold's bending radius of 115 cc spark ignition (SI) engine on low-end RPM. The aim of this study was to optimize the bending radius of exhaust manifold in order to minimize backpressure. CFD analysis was conducted to predict the backpressure of exhaust manifold samples based on design of experiment (DOE) through Taguchi's method. From the analysis result, it is observed that bending radius which is towards the outlet is the most contributing factor to the backpressure and the optimized exhaust manifold reduces backpressure by 10.5% from the existing design. The finding shows that the optimized design offers lower backpressure which could significantly reduce negative impacts to the engine's performance. [ABSTRACT FROM AUTHOR]

Published
2020
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36. Determination of blind spot zone for motorcycles

Author

Hashim, M S M, primary, Hamati, A A Al, additional, Mohd Hafzi, M I, additional, Shahriman, A B, additional, Ismail, A H, additional, Azmi, M S Muhamad, additional, Zuradzman, M R, additional, Harun, A, additional, Kamarrudin, N S, additional, Ibrahim, I, additional, Faizi, M K, additional, Saad, M A M, additional, and Rojan, M A, additional

Published
2019
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39. Effect of Roadways Plantation on Signal Propagation Analysis in Connected Autonomous Vehicle Communication

Author

Turner, J S C, primary, Shahriman, A B, additional, Harun, A, additional, Hashim, M S M, additional, Razlan, Z M, additional, Wan, W K, additional, Ibrahim, Z, additional, Abdullah, A H, additional, Fadzilla, M A, additional, Kassim, K A A, additional, Khalid, M S A, additional, Jawi, Z, additional, Isa, M H M, additional, Murad, S A Z, additional, and Ismail, R C, additional

Published
2019
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