摘要
研究了一种形状记忆合金(SMA)丝驱动的仿生波动鳍推进器。在分析墨鱼鳍肌肉结构和运动机制的基础上,建立了鳍波动运动学模型,研制了基于SMA丝驱动柔性鳍单元的仿生波动鳍推进器,并进行了试验研究。结果表明,仿生推进器能实现与墨鱼鳍相似的柔性运动,波幅和推进力随SMA丝的驱动脉冲宽度的增加而增大,鳍波动推进力呈周期性变化,瞬时推力在驱动脉冲宽度80ms时达到最大值180mN。
A study about a biomimetic undulating fin propeller actuated by SMA wires was presen- ted. Firstly,the structure and function of muscular hydrostats of cuttlefish fin were analyzed, and the kinematic model of the cuttlefish＇s fin undulatory motion was built. Secondly, a biomimetic undulating fin propeller actuated by SMA wires was developed. Finally, the hydrodynamic performance of the bio- mimetic propeller was tested. The results show that the flexible fin undulatory motion of biomimetic propeller is similar to fin of cuttlefish. The undulatory amplitude and thrust increases with increasing the actuating pulse width. The instantaneous maximum thrust is 180 mN at actuating pulse width 80 ms.
出处
《中国机械工程》
EI
CAS
CSCD
北大核心
2015年第8期1010-1014,共5页
China Mechanical Engineering
基金
国家自然科学基金资助项目(50775049)
江苏省自然科学基金资助项目(BK20130796)
高校基本科研业务费专项资金资助项目
南京航空航天大学研究生创新基地(实验室)开放基金资助项目(KFJJ201437)
关键词
墨鱼鳍
形状记忆合金丝
柔性鳍单元
仿生波动鳍
fin of cuttlefish
shape memory alloy（SMA） wire
flexible fin unit
biomimetic undulat- ing fin
