Now showing items 86-105 of 131

    • A Remote Sensing Approach Abandoned Areas in the Classifcation Optimization of Land Use : A Case Study of Salaya, Phutthamonthon District, Nakhon Pathom 

      Apised Suwansaard (Rajamangala University Of Technology Rattanakosin, 2013)
      This research proposes methodology to identify the Idle land found in agricultural zones of Phutthamonthon District, Nakhon Pathom using remote sensing data. The chosen remote sensing data for locating the Idle land plots ...
    • A Research and Development of The Detection and Simultaneous Interruption of Communication Devices for a New Central Prison in Nakorn Prathom Province 

      Kunnthphong Srisathit; Jetwara Tangjit; Sumongkol Patisang; Kiattisak Thongnuangam; Suphanan Phoptrakul (มหาวิทยาลัยเทคโนโลยีราชมงคลรัตนโกสินทร์, 2014-09)
      This research and development project is about the detection and simultaneous interruption of communication devices for a new central prison in nakorn prathom province. Within the controlled area, the concept of the project ...
    • Research on Geopolymer Materials in Producing Concrete without Cement 

      Sumrerng Rukzon; Prapat Seesai; Tiwa Tansathit (Rajamangala University Of Technology Rattanakosin, 2018)
      This research studies the development for using waste ash as a geopolymer material. This paper presents a study of the durability of geopolymer concreter (or concrete without cement) containing ground fly ash (FA), ...
    • RFID Tag Antenna Design on Curved Surface for Industrial Product 

      Pitchanun Wongsiritron; Tajchai Pumpoung (Rajamangala University Of Technology Rattanakosin, 2018)
      This research presents a design and fabrication of UHF RFID tag antenna. The antenna design is based on microstrip and slot antenna. The antennas are designed for the metallic surface curve surface and non-metallic ...
    • Risk Assessment for Landslide Disaster Management in Tambon Krungching, Nakhonsrithammarat 

      Santi Thaiyuenwong; Apised Suwansaard; Tanawat Raungdej (Rajamangala University Of Technology Rattanakosin, 2014)
      Current disaster management in vulnerable areas are more important. In areas where landslide disaster had occurred many agencies have to work together to find solutions by setting up many tools such as rain gauges warning ...
    • Roof Production from fluff Coconut mixing waste drink boxs 

      Sirichai Jirawongnuson; Wisit Lelaphatikul; Nichapha Minaboon (Rajamangala University Of Technology Rattanakosin, 2013)
      งานวิจัยนี้เป็นการศึกษาการผลิตไม้อัดจากใบสนทะเลเพื่อเพิ่มมูลค่าจากขยะธรรมชาติ โดยทำการผลิตที่ความหนาแน่น 600 และ 700 กก./ลบ.ม. ความหนาของแผ่น 10 มม. ความชื้นของใบสนทะเลก่อนผสมกาวร้อยละ 3-5 และปริมาณกาวที่ใช้ต่อน้ำหนักขอ ...
    • Root cause analysis of switchgear failure 

      Sopa Sae-Heng (Rajamangala University Of Technology Rattanakosin, 2015)
      This research developed the Root Cause Analysis (RCA) guidance for switchgear equipment in 115 kV substation which is the highly importance in the system. The RCA are used for finding the real root causes of equipment ...
    • Seed humidity meter 

      Tanakorn Suntornwat (Rajamangala University Of Technology Rattanakosin, 2014)
      This research aims to study and design the seed humidity meter for the farmers who produce a type of seed; for examples, green bean and sorghum seeds, especially paddy rice which is seen as the primary product in Thailand. ...
    • The Simulation of Friction-Induced Vibration Using Finite Element Method 

      ฤทธิพล จันทราษฎร์ (Rajamangala University of Technology Rattanakosin, 2014-03)
      เมื่ออุปกรณ์สองสิ่งมาสัมผัสกันและเคลื่อนที่โดยมีความเร็วสัมพัทธ์กันจะทำให้เกิดการสั่นเกิดขึ้นเนื่องจากอุปกรณ์มีการขัดสีกันเกิดขึ้นโดยมีค่าแรงเสียดทานขึ้นอยู่กับความเร็วสัมพัทธ์ของอุปกรณ์ทั้งสอง ปัญหาที่เกิดขึ้นในสมการอนุ ...
    • The Simulation of Friction-Induced Vibration Using Finite Element Method 

      Rittipol Chantarat (Rajamangala University Of Technology Rattanakosin, 2014)
      When two mechanical parts are in sliding contacts, relative velocity of two parts can induce vibration. In rubbing surface, frictional force depend on relative velocity of two parts. The equation of motion in differential ...
    • Simulation of Integrator-Based Current-Mode Universal Filter with Independent Tunable Pole-Q 

      Montri Somdunyakanok (Rajamangala University Of Technology Rattanakosin, 2013)
      This paper presents the simulation of integrator-based current-mode universal filter with independent tunable pole-Q, synthesized from band-reject filter function. The employing only multi-output OTAs, including with ...
    • Simulation of Magnetic Field Effect Caused Fault in Distribution Transformer by using Finite Element Method 

      Peerawat Meesuk (Rajamangala University Of Technology Rattanakosin, 2013)
      This research presents the research of study and calculate the magnetic field of distribution transformer in the condition of normal load and caused fault by using finite element method that is only developed. The magnetic ...
    • Soil moisture sensor wireless for para rubber tree soil experiments 

      Kanbuncha Panichcharoen; Chanyut Aupayagoson (Rajamangala University Of Technology Rattanakosin, 2014)
      Modern technology used in agriculture. To facilitate matters. Soil moisture sensor but these devices are relatively expensive. When compared to the benefits that will be considered are not required for investment to be ...
    • Soil moisture wireless for para rubber tree soil experiments. 

      กาญบัญชา พานิชเจริญ; ชาญยุทธ อุปายโศล (มหาวิทยาลัยเทคโนโลยีราชมงคลรัตนโกสินทร์, 2015)
      Modern technology used in agriculture. To facilitate matters. Soil moisture sensor but these devices are relatively expensive. When compared to the benefits that will be considered are not required for investment to be ...
    • Solar Threshing Machine 

      SOPIDA SUNGSOONTORN (Rajamangala University Of Technology Rattanakosin, 2014-08)
      This research presents an agricultural innovation system for designed and developed of renewable energy technologies. The innovation system is used to identify opportunities for solar energy and threshing machine in the ...
    • Speed Control For The Car Using Electric-motor Driven By Measured The Distance From Ultrasonic Sensor 

      Kowit Phipek; Ruangyos Keteruksa (Rajamangala University Of Technology Rattanakosin, 2015)
      This inquiry is presented the speed control of the automobile using electric-motor driven while device detected the barrier from the front side of the machine. The detectors consist of the two sensor devices, the ultrasonic ...
    • Strength and Durability of Mortar Containing Bagasse Ash and Fly Ash 

      Sarote Dumrongsil; Ronnakron Thepwong (มหาวิทยาลัยเทคโนโลยีราชมงคลรัตนโกสินทร์, 2008-03)
      This research was to study the strength and durability of mortar containing bagasse ash and fly ash. Strength such as compressive and flexural strength was investigated. Durability tested was drying shrinkage, sulfate ...
    • Strength and Microstructure of Cement Blended Bagasse Ash and Fly Ash 

      Sarote Dumrongsil; Ronnakron Thepwong (มหาวิทยาลัยเทคโนโลยีราชมงคลรัตนโกสินทร์, 2007-07)
      The objective of this research was to study the strengths and microstructure of cement blended bagasse ash and fly ash in order to use for data base to develop the bagasse ash as a construction materials. The ratio of ...
    • Study and Design of X- Band Triple Loop Frequency Synthesizer for Satellite Communication System 

      Jetwara Tangjit; Kunnthphong Srisathit; Komkrit Boonying (Rajamangala University Of Technology Rattanakosin, 2018)
      This research is to study and design of X- band triple loop frequency synthesizer for the satellite communication system. The internal frequency synthesizer consists of three phase-locked loop circuits. The proposed ...
    • Study and Development Pick and Place Robot Arm for Industrial in Three Axis Type with Controlling by PLC to Use in Automatic Production for Prepare to Joint in Industrial 4.0 

      Kittiphong Poomphochana (Rajamangala University Of Technology Rattanakosin, 2018)
      This research aims to study and develop a 3-axis type mechanical gripper industrial arm that controls the feedback position of an analog signal. That controls the work with PLC that is used in automated production By ...