Zobrazeno 1 - 10
of 19
pro vyhledávání: '"E. G. Okafor"'
Autor:
E. G. Okafor, V. S. Aigbodion
Publikováno v:
Tribology in Industry, Vol 32, Iss 2, Pp 31-37 (2010)
The as-cast microstructure and properties of Al-4.5Cu/ZrSiO4 particulate composite synthesized via squeezed casting route was studied, varying the percentage ZrSiO4 in the range of 5-25wt%. The result obtained revealed that addition of ZrSiO4 reinfor
Externí odkaz:
https://doaj.org/article/1e1bee05f53a4a25a9fbb35c824aa8c0
Autor:
Mohammed T. Abba, P. O. Jemitola, Emmanuel Okafor, Osichinaka Ubadike, E. G. Okafor, Gowom Sule
Publikováno v:
Journal of Southwest Jiaotong University. 56:697-708
Battery electric vehicles (BEVs) without regenerative braking mechanisms often suffer major drawbacks of limited driving range. Although extensive research works exist in electric vehicles integrated with regenerative braking, the performance evaluat
Autor:
E. G. Okafor, Mohammed T. Abba, Gowon Sule, P. O. Jemitola, Mohammed H. Mohammad, Osichinaka Ubadike
Publikováno v:
Journal of Southwest Jiaotong University. 56:783-792
An increasing desire is to produce eco-friendly materials for varied engineering applications, such as natural fiber-reinforced composites (NFRCs). Although many research works on natural fiber polymer matrix composite exist, not much is known on the
Publikováno v:
Advanced Materials Research. 1165:39-46
The key focus of this work was to examine the effect of hybrid fiber reinforcement on thethermal properties of particulate based natural fiber-reinforced hybrid composites. Banana and sisal fiberswere selected as natural fiber reinforcements for the
Publikováno v:
Journal of Information and Telecommunication, Vol 5, Iss 2, Pp 179-196 (2021)
The manual tuning of controller parameters, for example, tuning proportional integral derivative (PID) gains often relies on tedious human engineering. To curb the aforementioned problem, we propose an artificial intelligence-based deep reinforcement
Publikováno v:
International Journal of Engineering Research in Africa. 46:189-197
In this study, airline planning optimization problem based on ferry strategy was considered. Cost was the study objective function subject to forty equality and inequality constraints. Regression analysis as well a genetic algorithm (GA) was used to
Publikováno v:
International Journal of Engineering Research in Africa. 45:156-170
This work focuses on the development of an Error Detection Instrument (EDI), applicable in aircraft maintenance operations. Thirteen aircraft maintenance tasks were identified and used to develop the EDI. The EDI was validated by four professionals p
Publikováno v:
Nigerian Journal of Technology; Vol. 40 No. 4 (2021); 684-693
The life cycle of most complex engineering systems is greatly a function of maintenance. Generally, most maintenance operation usually requires the removal of failed part. Disassembly sequence planning is an optimization program that seeks to identif
Publikováno v:
2018 3rd International Conference on System Reliability and Safety (ICSRS).
In this paper, Archimedean copula-based method was used to investigate the multi-state reliability analysis of a parallel system. First, the fundamental theory associated with Archimedean copula for both bi-variate and multivariate distributions as w
Publikováno v:
Nigerian Journal of Technology. 38:756
Fleet assignment problem (FAP) is the assignment of an aircraft model to each scheduled flight based on key operational variables such as cost, revenue, passenger travel demand and aircraft specifications. FAP is an important aspect of aircraft plann