The new heaving angle adjustable mechanism for fish robot using the two-contacted discs
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Author list: Phunopas A., Saimek S.
Publisher: Hindawi
Publication year: 2008
Start page: 436
End page: 441
Number of pages: 6
eISSN: 1745-4557
Languages: English-Great Britain (EN-GB)
Abstract
Many researchers are interested in study fish maneuvering and swimming performance but it is very difficult to control the behavior of the living fish. Therefore, using fish robots are alternative ways to study their behaviors. In this research, we present mechanism design for heaving motion. Our mechanism changes rotating motion to oscillating motion. It is swimming by using the mechanism of the two-contacted discs. The heaving angle is related to the bevel disc's angle which is about ฑ 38 degrees maximum. It uses one direction of motor rotation to sweep the tail. In this way, the amplitude of heaving angle and the tail's movement are independence to each other. The fish robot has 3 links is body link, tail link and caudal fin link. The caudal fin joint is the elastic rubber and its movement agrees with the tail link moment.
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