Now showing items 21-40 of 44

    • Study of Ozone Generator with Electric Fields Distribution on Water Surface 

      Charlangsut, Aroon; Boonthienthong, Manat; Thongkeaw, Somkieat; Boonchiam, Paisan (ISH 2007, 2008-08-27)
      This paper proposes a study of an Ozone generator. The generator under the study is designed using the electrode with uniform field. The electrode is constructed in the plane shape with positive potential. The transformer ...
    • Power Efficient Ant Colony System Wireless Sensor Networks Using Adaptive Node Function 

      วัยวุฒิ, วณพันธ์; รุจิพัฒนพงศ์, ศิริชัย (มหาวิทยาลัยราชภัฎมหาสารคาม, 2008-11-23)
      Today wireless sensor networks are developed and comprised of a small fully autonomous processing, communication and sensing devices. It has been restricted power supply, low computing power. WSNs work in vast area, ...
    • Low Rate Wireless Sensor Network Data Logger with Multi-core Microcontroller 

      Waiyawoot, Wanapan (Multidisciplinary Studies on Sustainable Development, 2009-11-18)
      This paper presents the development of a data logger which collects interesting data via low rate wireless sensor network, not expensive, low power consumed sensor node. The system is wireless and more flexible to expand ...
    • Low Rate Wireless Sensor for Flood Monitoring System 

      Waiyawoot, Wanapan (1st Electrical Engineering Network 2008, EENET 2008, 2008-11-20)
      This paper presents the development of a low rate wireless sensor. Wireless sensor networks are cheap and comprised of a small fully autonomous processing, communication and sensing devices. The purpose of this study is ...
    • Insulator testing set for finding the efficiency in Ozone generator design 

      Nedphograw, Supawud; Phupha, Vallop; Boonchiam, Paisan (ISH 2007, 2007-08-27)
      This paper presents a testing of three insulators namely solid, fluid and gas for choosing the best electric insulators. In order to generate the ozone gas, the insulator must be selected in electrode set. Nowadays, the ...
    • Finned-Tube Condenser Cleaner Machine 

      Puangcharoenchai, Somjin (2007)
      Now a day the mostly air condition are use the air for reducing the temperature at the condenser unit. Moreover, many dusts are adhering in area of fin coil. From this reason, the heart reduction efficiency is decreased ...
    • Electronic Data Capture Improvement by SSL Protocol for Payment Systems 

      สรวลสรรค์, ยุทธนา; ทิพย์จักษุรัตน์, ศักดิ์ชัย; มิตะถา, สมศักดิ์ (Ladkrabang Engineering Journal, 2007-09)
      In this paper, we have analyzed the performance of combining security system (SSL Protocol) with current TCP/IP module by porting security shareware into the EDC (Electronic Data Capture) devices. Finally, in order to ...
    • Development program for heat balance analysis fuel to steam efficiency boiler and data wireless transfer 

      Phanthuna, Nattapong; Srisongkram, Warunee; Pasuk, Sunya; Trongtirakul, Thaweesak (World Scientific and Engineering Academy and Society (WSEAS), 2009)
      This research aim to improve a combustion system of boiler within increase combustion efficiency and use all out of the energy. The large boilers were used in the industrial factories which consume a lot of energy for ...
    • Design Narrow Slot Antenna for Dual Frequency 

      Chulvanich, C.; Nakasuwan, J.; Songthanapitak, N.; Anantrasirichai, N.; Wakabayashi, T. (PIERS Online, 2007)
      The narrow slot loop antenna and linear slot antenna fed by microstrip line are designed for dual frequency at 2.44 GHz and 5.25 GHz on the standard of IEEE 802.11b/g (2.4{2.4835 GHz), IEEE 802.11j/a (5.15{5.35 GHz), and ...
    • Design CPW Fed Slot Antenna for Wideband Applications 

      Nithisopa, K.; Nakasuwan, J.; Songthanapitak, N.; Anantrasirichai, N.; Wakabayashi, T. (PIERS Online, 2007)
      In this paper, a CPW-fed slot antenna for wideband application was designed and simulated. In order to examine the performances of this antenna, a prototype was designed at frequency 2.4 GHz and simulated with various width ...
    • Design and Construction Wind Turbine Generator 200 Watt Rated 

      เนตรโพธิ์แก้ว, ศุภวุฒิ; ทองแก้ว, สมเกียรติ (2010-02-28)
      This research studies designing building and set up a wind turbine that produce the electric current, for decrease the contamination that is poisonous, be that know that, source of electric energy majority production uses ...
    • Design and construction tesla transformer 120 kV 120 kHz for Insulator Testing 

      เนตรโพธิ์แก้ว, ศุภวุฒิ; คุณประเสริฐ, นิติพันธ์; ลานธารทอง, ทง (2010-02-28)
      This research presented the details of design and constructions of tesla transformer for testing insulator. The out put of the tesla transformer has a rate of 120 kV and 120 kHz. Tesla transformer consisted of primary coil ...
    • Board Led Display Dot Matrix Controled by Microcontroler with Internet System 

      เนตรโพธิ์แก้ว, ศุภวุฒิ; วรรณการ, พูนศรี; ดุสิตากร, พนา (Rajamangala University of Technology Phra Nakhon, 2010-02-28)
      This research is Design and construction board led dot matrix was create for study about microcontroller. It apply to use in communication & information indoor type by sending messages from computer on internet network ...
    • Analysis of Electric field and Modeling Design of High Voltage Cable terminators for PD Testing Using SF6 Insulator 

      Lantharthong, Thong; Nedphograw, Supawud; Hiranvarodom, Somchai; Apiratikul, Promsak (2008-07-06)
      This paper presents the analysis of electric field by using FEMLAB simulation tool to find the optimal electric field and component designs. Design of Cable terminator is tested by finding PD Value with IEC standard. This ...
    • An Embedded Digital Signal Controller for Initial Rotor Position Estimation of PMSM Drives 

      วัยวุฒิ, วณพันธ์; นุ่นงาม, สุขสันติ์ (2010-02-28)
      This paper presents the development of an initial rotor position estimation of permanent magnet synchronous motors (PMSM) without a position sensors drives with embedded digital signal controller. The principle of the ...
    • A Study value added for increase valued the Anti–insect Cloth Hanger Product Cast Study : Bansaphatana Group Cluster 

      ลีลากวีวงศ์, วันชัย; โฆษิตชัยมงคล, สุชุม; ภูผา, วัลลภ; เฉลิมศรีเมือง, ตรีสุคนธ์; แก้วอุดร, ศุภกาญจน์ (2010-02-28)
      The main objective of this research has to study the production process and the production development of a community business. In the case of Bansaphatana network enterprise study in the part of products form and duty ...
    • A Study and Development of Solar Hybrid Energy Oven 

      Suwantaroj, Kullayot (2010-02-28)
      The objective of this paper is to design and develope solar hybrid oven for common usage heat energy between sunshine and heater. The technology improvement of integrated solar dryer cabinet aims to prove that the solar ...
    • A Spreading Activation Approach for e-Commerce Site Selection System 

      Nilas, Nilamit; Nilas, Phongchai; Masakul, Kasiphan (2010-02-28)
      This paper presents a dynamic associative network model for e-commerce site selection system based on the psycholinguistic theories of human memory; Spreading Activation Network (SAN). The system is designed to give ...
    • A Microstrip Folded Resonator Sensor for Measurement of Dielectric Constant 

      Seewattanapon, Somporn; Wattakeekamthorn, Thanakit; Somwong, Tanee; Akkaraekthalin, Prayoot (IEEE ECTI-CON 2008, 2008-07-23)
      A microstrip folded ring resonator sensor for measurement of dielectric constant in a compact area of material under test is proposed. The resonant characteristics of resonator vary with dielectric constant of material. ...
    • A Dynamic Associative e-learning model based on a spreading activation network 

      Nilas, Phongchai; Nilas, Nilamit; Mitatha, Somsak (IEEE, 2006-05)
      Presenting information to an e-learning environment is a challenge, mostly, because of the hypertext/hypermedia nature and the richness of the context and information provides. This paper proposes a dynamic semantic model ...