Sumniang, Patiphan

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Sumniang, Patiphan
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Email
patiphan.su@kmitl.ac.th

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    Item type:Publication,
    Global Navigation Satellite System (GNSS) Low-Cost Robotics Platform for Competition Game
    (2025-01-01)
    Sumniang, Patiphan
    ;
    Putthong, Burin
    ;
    Namniwong, Thapanan
    ;
    Kenpankho, Prasert
    In this research, the Global Navigation Satellite System (GNSS) low-cost robotics platform for competition game was designed, including the development of competition rules and field. The competition rules are specifically tailored to GNSS low-cost robot, highlighting the essential components required to build robots based on GNSS low-cost robotic platform. This research aims to promote learning and skill development in robots and GNSS, with a focus on affordable resources to ensure accessibility for students and independent developers. In research methodology, a total of 58 teams with 116 participants took part in the GNSS low-cost robotics platform competition game, including 47 high school level teams (94 participants), 6 vocational level teams (12 participants), and five undergraduate level teams (1 0 participants). As the results, the competition game was successfully developed by the GNSS low-cost robotic platform, with over 70% of participants demonstrating a solid understanding of GNSS navigation, robot, and game design. Participants rated innovation-focused activities highly (4.55), highlighting the competition game role in inspiring creativity in GNSS and low-cost robot. In term of rule for competition game, participants gave the rates on fairness (4.23) and consistency (4.28) which were well received, although rule clarity received the lowest score (3.84), suggesting the need for clearer guidelines. In addition, the pre- and posttest assessments on participants' knowledge, understanding, and inspiration in GNSS navigation, robot, and game design, further confirmed the effectiveness of GNSS low-cost robotics platform competition game by giving the improved mean score from 23.06 to 27.01.
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    The study on the relationship between ionospheric delay and low-cost localizing robots
    (2025-03-01)
    Sumniang, Patiphan
    ;
    Sittichai, Wishapol
    ;
    Kenpankho, Prasert
    The dispersive and anisotropic nature of the ionosphere above certain regions particularly on Thailand's low − nearly equatorial − latitude, positioning accuracy is seriously affected when using a precision limited model. Change in ionospheric delay is a key factor impacting the Global Navigation Satellite Systems (GNSS) positioning and navigation accuracy. We studied the effect of ionospheric delay on localizing low-cost robots. We investigated the positioning error using ionospheric delay from a GNSS receiver, IRI and our campus, KMITL, in Bangkok, to guide our ‘G-LOC’ robot. There were eight target points, set from 3 to 50 m at the same meridian with varying latitudes. Impacts on a robot moving on low solar activity days, high solar activity days, daytime, and nighttime were measured over 12 months in 2023. We found that high solar activity day impacts a robot moving on highest accuracy error up to 363 cm at high speed. In addition, we found that daytime impacts a robot moving on highest accuracy error up to 154.05 cm at high speed as well. Ionospheric delay according to high and low solar activities, and daytime, and nighttime effects on the GNSS interference transmitted to a low-cost localizing robot was expected to affect moving errors, but it did not seem to lead to a significant difference in error between the low and high solar activity days.
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    Space STEM Education Guide for Global Positioning System Total Electron Content (GPS TEC)
    (2024-01-01)
    Pansong, Chollada
    ;
    Keokhumcheng, Thanapon
    ;
    Sumniang, Patiphan
    ;
    Sittichai, Wishapol
    ;
    Huang, Canjie
    This research focuses on designing a Space Science teaching model using a Science, Technology, Engineering, and Mathematics (STEM) education approach, specifically applying satellite technology in the Global Navigation Satellite System (GNSS), with an emphasis on Global Positioning System (GPS) satellites. The goal is to propose a new model in STEM education in Space Science by teaching GPS Total Electron Content (GPS TEC) variations in the ionosphere layer resulting from environmental changes on Earth, known as Lithosphere-Atmosphere-Ionosphere Coupling (LAIC). The teaching model was designed, named SPACE (S: Studying the problem, P: Planning and carrying out investigations, A: Analyzing and interpreting data, C: Critical thinking, Creative thinking, Collaborating, Communicating, and E: Evaluating, and Summarizing), serves as a guide for instructional management steps. The model was evaluated by five experts with at least 10 years of experience in Space Science. The evaluation of the appropriateness of the model for use as a teaching guideline resulted in the highest level of suitability (x = 4.87, SD = 0.40).