首页> 外文会议>Conference on Active and passive smart structures and integrated systems; 20090309-12; San Diego, CA(US) >Cruise and turning performance of an improved fish robot actuated by piezoceramic actuators
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Cruise and turning performance of an improved fish robot actuated by piezoceramic actuators

机译:压电陶瓷执行器驱动的改进型鱼类机器人的巡航和转向性能

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The purpose of this study is improvement of a fish robot actuated by four light-weight piezocomposite actuators (LIPCAs). In the fish robot, we developed a new actuation mechanism working without any gear and thus the actuation mechanism was simple in fabrication. By using the new actuation mechanism, cross section of the fish robot became 30% smaller than that of the previous model. Performance tests of the fish robot in water were carried out to measure tail-beat angle, thrust force, swimming speed and turning radius for tail-beat frequencies from 1Hz to 5Hz. The maximum swimming speed of the fish robot was 7.7 cm/s at 3.9Hz tail-beat frequency. Turning experiment showed that swimming direction of the fish robot could be controlled with 0.41 m turning radius by controlling tail-beat angle.
机译:这项研究的目的是改进由四个轻型压电复合驱动器(LIPCA)驱动的鱼类机器人。在鱼机器人中,我们开发了一种无需任何齿轮即可工作的新型致动机构,因此致动机构的制造简单。通过使用新的驱动机制,鱼机器人的横截面比以前的模型小了30%。进行了鱼类机器人在水中的性能测试,以测量从1Hz到5Hz的拍打频率的拍打角度,推力,游泳速度和转弯半径。鱼形机器人在3.9Hz尾拍频率下的最大游泳速度为7.7 cm / s。转向实验表明,通过控制尾拍角,可以使鱼机器人的游泳方向控制在0.41 m的转向半径内。

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