Conference Papers: Recent submissions
Now showing items 561-580 of 2600
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Experimental investigation of photovoltaic modules cooling system
(Institute of Electrical and Electronics Engineers (IEEE), 2012-03)The electrical efficiency of Photovoltaic (PV) cell depends on its operating temperature during absorption of solar radiation. It is well known that the power and efficiency of PV module usually falls at the rate of 0.5%/C ... -
Optimization of current total harmonic distortion on three-level transformerless photovoltaic inverter
(Elsevier Ltd., 2012)This paper presents a new topology of three-level transformerless photovoltaic (PV) inverter. It consists of three main circuits; they are a pulse driver circuit, a full bridge inverter circuit and a power factor correction ... -
Valuable experience in engineering laboratory: Enhance understanding of engineering concepts
(Universiti Teknologi Malaysia (UTM), 2007-12-03)Experience in an engineering laboratory is important for engineering students and likely to enhance understanding of engineering concepts for which they have learned the theory. Although the aim of the laboratory is an ... -
An evaluation of students’ practical intelligence and ability to diagnose equipment faults
(Elsevier Ltd., 2012-10-08)Acquiring practical intelligence play an important role in laboratory work and it occurs when the students are performing tasks the laboratory. Nonetheless, practical intelligence has not yet been assessed or measured. ... -
Unintentional experience: an important aspect of engineering `hands-on' laboratories?
(American Society for Engineering Education, 2008-06-24)Experience in an engineering laboratory is an important element for engineering students and likely to enhance engineering concepts, which they have learned theoretically. Although the aim of the laboratory is giving ... -
Practical intelligence predicts learning of diagnostic and repair skills in students
(University of Technology Sydney, 2010-12-05)The ability to diagnose and correct equipment faults is an attribute that is important for all technical engineering C: professional engineers, engineering technologists, engineering associates and technicians. Traditionally, ... -
Weighted signal-to-noise ratio average routing metric for dynamic sequence distance vector routing protocol in mobile ad-hoc networks
(Institute of Electrical and Electronics Engineers (IEEE), 2012-03-23)It is clearly that mobile ad-hoc networks (MANET) gained the interest of research and market place lastly, and that is due to its wide variety of applications. However, nodes mobility implies rapid topology changes, where ... -
SNR-based dynamic sequence distance vector routing protocol metric for mobile ad-hoc networks
(Institute of Electrical and Electronics Engineers (IEEE), 2012)Mobile ad hoc networks (MANETs) are consists of mobile devices connected wirelessly. Mobile nodes in MANET are applicable of routing functionality, where messages are forwarded in a multi-hop fashion. In such a communication ... -
Maximum voltage angle optimization of uninterruptible power supply on three-level transformer-less photovoltaic inverter
(Institute of Electrical and Electronics Engineers (IEEE), 2012-05)his paper presents a new topology of three-level transformer-less photovoltaic (PV) inverter. In this topology, a 240V AC system is developed from a full bridge inverter circuit using PIC microcontroller (PIC16F628A-I/P) ... -
Genetic algorithm-based optimization in 4th order Sallen Key high pass filter
(Institute of Electrical and Electronics Engineers (IEEE), 2012-07-10)Circuit designers often face difficulties and challenges to deal with the complex trade-offs of Analog IC design. Considering such complex trade-offs, optimization of circuit design often requires large amount of time and ... -
A simple adaptive fuzzy logic controller base on shifting of the membership function
(Institute of Electrical and Electronics Engineers (IEEE), 2012-03-23)This paper introduces an Adaptive Fuzzy Logic Control (AFLC) for dynamic system. The parameters to be adjusted are the universe of discourse (UOD). The modification also performed by the adaptation mechanism shifts the ... -
Performance analysis of packet length in multiple optical channels for local area network
(Institute of Electrical and Electronics Engineers (IEEE), 2012-02-08)The advances in Wavelength Division Multiplexing (WDM) technology have tremendously increased the bandwidth of a single fiber optic, for local and metropolitan area network (LAN and MAN). This paper presents and discusses ... -
Influence of the user's hand on mutual coupling of dual-antenna structures on mobile terminal
(Institute of Electrical and Electronics Engineers (IEEE), 2012-03-26)This paper studies the influence of the user's hand on the mutual coupling of dual-antenna structures on a mobile terminal. The terminal consists of two planar inverted-F antennas (PIFA) on a typical 100 × 40 mm 2 mobile ... -
RF behavior of undoped channel ultra-thin body with ultra-thin BOX MOSFETs
(Institute of Electrical and Electronics Engineers (IEEE), 2012-01)RF performance of ultra-thin body with ultra-thin buried oxide (BOX), so-called UTBB, MOSFETs with gate length down to 30 nm is presented. Current gain cut-off frequency f T and maximum oscillation frequency f max of 160 ... -
Measuring tacit knowledge: The hidden dimension of laboratory classes and engineering practice
(United Engineering Foundation, 2008)Not available -
Can practical intelligence from a laboratory experience be measured?
(Institution of Engineers, Australia, 2008)Empirical studies of engineering practice suggest that implicit and tacit knowledge acquired through hands-on activities in laboratory classes is valuable in engineering practice. Implicit and tacit knowledge or “practical ... -
Syllabus enhancement for electromagnetic course in biomedical electronics engineering at Universiti Malaysia Perlis
(Springer-Verlag., 2008-06)Biomedical engineering has evolved over the years until now virtually all engineering disciplines are engaged in “the application of engineering principles to problems of the life sciences”. Universiti Malaysia Perlis ... -
Advanced exergetic analysis of a refrigeration system for liquefaction of natural gas
(Industrial Energy Systems Laboratory (LENI), 2010-06-14)During the last years the total cost of LNG technology has decreased significantly due to improvements of the liquefaction process by developing new schematics with different mixtures as working fluids. However, many ... -
Effect of drying methods on metabolites composition of Misai Kucing (Orthosiphon stamineus) leaves
(Elsevier B.V., 2012)In this research the effects of different drying methods on the capacity of antioxidant, total phenolic and biomarker compounds concentrations of Orthosiphon stamineus leaves were studied. The biomarker compounds of the ... -
An effective way to measure practical intelligence from a laboratory experience
(Central Queensland University, 2009-07-20)Hands-on laboratory classes have always been valued for the practical experience gained by engineering and science students. An effective way to measure practical intelligence might provide a useful way to compare the ...