Nilas, Phongchai

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Nilas, Phongchai
Alternative Name
Nilas, P.
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Email
phongchai.ni@kmitl.ac.th

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    Item type:Publication,
    Prototypical robotic fish with swimming locomotive configuration in fluid environment
    (2011-07-26)
    Nilas, P.
    ;
    Suwanchit, N.
    ;
    Lumpuprakarn, R.
    Aquatic animal has always inspired many researchers' interest to develop such living creations' behavioral robots. Numbers of animal-liked aquatic robots have been invented in the past; however, very few works involved the study of full behavioral movement of these aquatic animals. This paper presents a study and design of a robotic fish that imitate natural aquatic animals' forms of locomotion by focusing on the apparatus of swimming performances. The main research focus is the behavioral movement of the propulsion and maneuvering of a robotic fish in a fluid environment. The robot could dynamically generate a series of behavior selection network to form the operational plan, avoiding obstacle as well as fish-liked maneuver; forward, backward and turning. This robot differs from other research that not only uses the tail peduncle to propel its movement but also use pectoral fin in stabilizing and maneuvering. The proposed paradigm has been implemented to develop a prototypical robotic fish. The experiments also illustrate the conventionality, and the robustness of such a fish-robot framework.
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    Item type:Publication,
    An implementation on 3D positioning aquatic robot
    (2016-01-01)
    Ratanajaratrod, T.
    ;
    Nilas, P.
    This paper presents a study and design of a robotic fish that imitates bladder function of a fish by focusing on the orientation performance. The main focus of the research is to develop the robotic fish which can perform the natural orientation of a fish. Not only the turning maneuver of the robotic fish takes place in horizontal plane or vertical plane at a time, but also in both of horizontal and vertical planes simultaneously. The orientation of the robot is conducted by anti-weight equilibriums, which are installed near the center of gravity of the robot, to maintain the desired position. The collection of robotic orientations is operated by designed apparatus including 4 anti-weight objects which attached with servo motors for rolling and pitching. The implementation of the proposed robotic fish shows a good performance as well as illustrate the robustness of such a robotic framework.