Browsing IEM Journal by Title
Now showing items 173-192 of 310
-
Malaysian English large vocabulary continuous speech recognizer: an improvement using acoustic model adaptation
(The Institution of Engineers, Malaysia (IEM), 2022)This research project aims to develop Malaysian English Continuous Speech Recognition system by adapting US English acoustic model with Malaysian English speech corpus using Maximum a posteriori reasoning (MAP) and Maximum ... -
Mapping of the Malaysian regional total electron content (TEC) latitude and longitude profile
(The Institution of Engineers, Malaysia, 2005-09)The ionosphere plays a vital role in radio communications whose usable frequencies for signals propagation are mainly affected by its electron content. Determination of the electron content in the ionosphere will aid in ... -
Mapping urban heat island phenomenon: Remote sensing approach
(The Institution of Engineers, Malaysia, 2007-09)This article investigates the application of remote sensing data for mapping urban heat island (UHI) phenomenon in an urbanised area of Selangor. The selected area covers Kajang, Cheras and Dengkil mukims in Selangor with ... -
Maximizing the impact of air bubbles for membrane fouling control in microalgae harvesting
(The Institution of Engineers, Malaysia (IEM), 2017-06)Harvesting microalgae using membrane is challenging due to the nature of microalgae having very high membrane fouling potential. Numerous techniques have been proposed for membrane fouling control, including optimizing ... -
Menu driven intelligent tutoring for power system modeling
(The Institution of Engineers, Malaysia, 2005-09)The Graphical User Interface (GUI) provides the user with interactive visual communication to analyse and model the power systems. Applying the advantages of the GUI, new menu driven intelligent tutoring system was ... -
A metallurgical study of spot weld growth on mild steel with 1mm and 2mm thicknesses
(The Institution of Engineers, Malaysia (IEM), 2011-12)Resistance Spot Welding (RSW) is an important welding technology for joining two or more metals in various manufacturing industries. For instance, to date a car may contain an average of 3000-4000 spot weld joints and the ... -
A methodology to evaluate design efficiency based on assembly criteria in support of design for modularity
(The Institution of Engineers, Malaysia, 2005-03)The objective of this paper is to develop a new methodology for evaluating design efficiency based on assembly criteria. The new methodology can be utilised to support the design for modularity approach. The verification ... -
Mixing in the mechanically agitated bioreactor: ‘A matter of being stirred, not shaken’
(The Institution of Engineers, Malaysia, 2007-09)Variations in the system parameters can in fact give rise to significant differences in mixing requirement, and failure to operate at the right conditions can result in undesirable outcomes. Biological systems are sensitive ... -
A model for prioritisation of industrial air pollutants: Part I. Formulation
(The Institution of Engineers, Malaysia, 2005-06)This paper describes the formulation of a prioritisation model applied to industrial toxic air pollutants released into the atmosphere through stack and fugitive emissions. This model takes into consideration the relative ... -
A model for prioritisation of industrial air pollutants: Part II. Application
(The Institution of Engineers, Malaysia, 2005-06)A model for prioritisation of industrial air pollutants was recently developed for use in Sama Jaya Free Industrial Zone (SJFIZ), Kuching based on the amount of toxic organic chemicals released into the atmosphere through ... -
A model study on retaining wall with reinforced backfill
(The Institution of Engineers, Malaysia, 2007-06)The usefulness of the patented reinforced earth wall of Vidal, where reinforcement is attached with the skin panels, has been proved beyond doubt but under certain circumstances a conventional retaining wall with reinforced ... -
Modeling cad performance with Fuzzy Cognitive Map
(The Institution of Engineers, Malaysia, 2005-12)This paper demonstrates how Fuzzy Cognitive Map (FCM) is used to model CAD performance in an engineering consultancy environment by simulating the effects of certain conditions and actions on CAD service quality. A knowledge ... -
Modeling of viscous flows in two-dimensional turbomachinery cascade via viscous-inviscid interaction method
(The Institution of Engineers, Malaysia, 2005-09)A two-dimensional time-accurate time-marching viscous flow solver employing the viscous-inviscid interaction method suitable for turbomachinery applications is described. The inviscid main flow solver uses the second-order ... -
Modeling water balance components in rice field irrigation
(The Institution of Engineers, Malaysia, 2006-12)In this study, a water balance equation approach was applied to the irrigation practiced at the Besut Rice Irrigation Scheme. Each component of the equilibrium equation, where not measured, was modeled using equations ... -
Modelling and control of airship for low altitude surveillances application
(The Institution of Engineers, Malaysia (IEM), 2012-06)Aerial perspective provide great viewing window especially for surveillance and exploration activities. In responding to the need of green technology, airship is the best alternative for environmental friendly technology. ... -
Modelling of bread dough aeration during mixing: Experimental investigations using scale-up mixers
(The Institution of Engineers, Malaysia, 2006-12)Aeration of bread dough during mixing in three scales of Tweedy-type mixers was studied using a model, which defines the entrainment and disentrainment coefficients. The model describes dough aeration as a dynamic balance ... -
Modelling the rheological properties of bituminous binder using a mechanical model
(The Institution of Engineers, Malaysia (IEM), 2012-06)Modelling is a very useful way to fit or describe the linear viscoelastic (LVE) properties of bituminous binders, which cannot be done via laboratory work. This study investigates the applicability of LVE rheological ... -
Monitoring of pH and temperature effects in fermentation process of itaconic acid
(The Institution of Engineers, Malaysia, 2005-12)The environmental conditions such as temperature and pH have great impact on microbial growth kinetics and product formation during fermentation process. Temperature can be related to activation energy that affects the ... -
A multilevel multiplexing technique for high speed fiber optic communication systems
(Institution of Engineers, Malaysia (IEM), 2011-12)In order to explore the potential of optical multilevel signaling for high speed optical fiber networks, a novel multilevel multiplexing technique is demonstrated. Three users, each with data rates of 10 Gb/s were ... -
Muskingum and lag method river routing parameters for Klang river at Kuala Lumpur city centre derived using recorded hydrographs
(The Institution of Engineers, Malaysia (IEM), 2018-12)In this Study, the Muskingum and Lag river routing models were used to estimate the routing coefficients of Klang river using flood records of gauging stations at Leboh Pasar and Sulaiman Bridge, for a river reach of 900m ...