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ISSN:    frecuency : 4   format : Electrónica

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Volume 22 Number 1 Year 2018

21 articles in this issue 

Suchanya Apithanyasai, Praemai Nooaek, Nuta Supakata

The purpose of this study was to investigate the ratio of concrete residue (CR) and electric arc furnace slag (EAF) for the production of facing brick according to Thai Industrial Standard (TIS) 168-2546. These two industrial wastes contain high alumina a... see more

Pags. 1 - 14  

Krishna Kumar. N, Venkat Subramaniam

This paper describes the design, implementation and performance of a real time clock (RTC) based dual axis solar tracking system and asymmetric solar dish concentrator. Numerous algorithm and functional program methodologies are implemented in order to op... see more

Pags. 15 - 26  

Almaz Akhmetov, Augusto Vundo

Inadequate electricity access limits human development and affects quality of life in Africa. Hence, the improvement of electricity access has become a cornerstone of the African energy policy. This study proposes the use of satellite derived data of nigh... see more

Pags. 27 - 48  

Prissadang Suta, Naovarat Limdumrongnukoon, Panupong Chalardkitsirikul, Thaspoom Suntiyotin, Pornchai Mongkolnam, Jonathan Hoyin Chan

This study aims to apply appropriate information technology services for elderly people in order to fill the communication gap between the elderly, family members and friends by using a multimedia delivery platform. The aim is to improve the quality of li... see more

Pags. 49 - 64  

Somchai Laksanasittiphan, Karuna Tuchinda, Anchalee Manonukul, Surasak Suranuntchai

The morphology of particles generated during screw tightening process in hard disc drive assembly was studied using a media installing tool kit under a class 100 clean room condition. The screws were made of martensitic 410 stainless steel and the ‘bit’ w... see more

Pags. 65 - 76  

Suthatip Pueboobpaphan, Nakorn Indra-Payoong, Rattaphol Pueboobpaphan

Inspired by the taxi refusal problem, we propose a double auction for taxi services with a variable supply-and-demand fare surcharge. In contrast to a conventional commodity double auction, our taxi service auction involves an opportunity cost that genera... see more

Pags. 77 - 91  

Rattapon Patikarnmonthon, Manoj Lohatepanont

The General Lot-sizing and Scheduling Problem (GLSP) is a common problem found in continuous production planning. This problem involves many constraints and decisions including machine capacity, production lot-size, and production sequence. This study pro... see more

Pags. 93 - 107  

Nukul Suksuwan, Surangkana Trangkanont

To take advantage from locating in the Association of Southeast Asian Nations (ASEAN) mainland region, the Thai government has established a policy of being logistics and transportation hub. The policy has, therefore, challenged the Department of Rural Ro... see more

Pags. 109 - 129  

Le Ngoc Thien, Watit Benjapolakul

We consider synchrophasor data gathering method over the network of Phasor Measurement Units (PMUs) for Wide Area Measurement System (WAMS) applications. Although this network plays an important role to monitor, protect and control distribution electric g... see more

Pags. 131 - 142  

Amer Farouk Izzet, Ammar A. Mohammed

An experimental programme was conducted to find out the behaviour of composite unprotected steel beam-reinforced concrete SB-RC deck floors fabricated from three secondary steel beams welded to another two main beams topped with a reinforced concrete slab... see more

Pags. 143 - 157  

Hossain Nemati

In the present study, a new method based on entropy generation minimization was proposed to optimize plate fin heat sink. It is clear that the design of a heat sink is not straightforward and needs some secondary equations. Therefore, in the present study... see more

Pags. 159 - 174  

Worrapon Wangkananon, Chayathach Phuaksaman, Thongchai Koobkokkruad, Surapol Natakankitkul

The objective of this study is to optimize the tyrosinase inhibition effects of three mixtures included Emblica extract, L-Ascorbic acid, and Kojic acid. Tyrosinase is a copper-containing oxidase, which has activity for both catechol and cresol. It is res... see more

Pags. 175 - 185  

Supadaech Chanjaradwichai, Atiwong Suchato, Proadpran Punyabukkana

The Multi-Space Probability Distribution Hidden Markov model (MSD-HMM) is a discrete model that learns a fundamental frequency feature, however it has been proven that synthesized speeches from that model contain buzziness and hoarseness which affect to a... see more

Pags. 187 - 203  

Hojat Karami, Ehsan Teymouri, Sayed-Farhad Mousavi, Saeed Farzin

Porous concrete has high porosity and can be used for increasing the permeability of pavements and parking lots and reducing the urban runoff damages. In this research, light expanded clay aggregate (LECA) and pumice were substituted for 5, 10 and 15% of ... see more

Pags. 205 - 213  

Sri Harjanto, Didied Haryono, Hermansyah Emir Faisal, Kholis Daniah, Harisma Nugraha, Mahfudz Al Huda, Warsito P. Taruno

Electrical capacitance volume tomography (ECVT) is proposed as a novel real time monitoring system for column flotation process. This study aims to validate the results of static and dynamic simulations using ECVT and ECVT-Computational Fluids dynamics (E... see more

Pags. 215 - 227  

Chanarun Phoeurn, Sarann Ly

Tonle Sap Lake is the second main source of water supply and food security in Cambodia. However, this area is in the need for rainfall information which can cover the entire area for an accurate hydro-hydraulic modeling, climate modeling and other types o... see more

Pags. 229 - 241  

Shotiros Protong, Paul A. Carling, Julian Leyland

The incidents of sudden landslides in Thailand during the past decade have occurred frequently and more severely. The rain-triggered landslide hazard analysis is the focus of this research. The combination of geotechnical and hydrological data is used to ... see more

Pags. 243 - 255  

Tuan Pham Van, Sucharit Koontanakulvong

The Saigon River system is one of the largest resources contributing water supply for domestic and industrial fields in the Ho Chi Minh City and Binh Duong Province where the drought issue are occurring at downstream area in recent years. To manage the wa... see more

Pags. 257 - 267  

Sarann Ly, Lengthong Kim, Séverine Demerre, Sokchhay Heng

Located in Southeast Asia, Cambodia is one of the most disaster prone countries, where flooding rank the top of the natural disaster. Flood affects and threatens not only humans’ and animal’s life, properties, infrastructures, but it is also an obstacle t... see more

Pags. 269 - 278  

Tawatchai Tingsanchali, Thiantheera Piriyawong

A model is developed for drought risk estimation in a river basin with an irrigation project. Drought risk is expressed as a product of drought hazard, exposure and vulnerability. Drought hazard is a function of rainfall, groundwater potential, groundwate... see more

Pags. 279 - 287  

Chokchai Suthidhummajit, Sucharit Koontanakulvong

The Upper Central Plain of Thailand, where farmers depended on both surface water and groundwater. Water allocated from the Bhumibol and Sirikit Dams are limited and caused water shortage in the dry years.  Most farmers turn to use groundwater to sup... see more

Pags. 289 - 298