变体飞行器及其变形驱动技术

变体飞行器可以根据飞行环境的不同,自主地改变气动外形,更有效地完成飞行任务,是目前国内外飞行器领域的研究热点之一。回顾了早期刚性变体飞行器、柔性变体飞行器及其变形驱动技术的发展过程。通过对应用于变体飞行器的各种智能材料及作动器的性能特点的比较,总结出一种新型的压电作动器——超声电机在变体飞行器变形驱动上的技术优势,提出了利用超声电机来驱动小型变体飞行器变形所要研究的关键问题。

Morphing Aircraft and Its Morph-driving Techniques

Morphing aircraft can change its aerodynamic shape automatically according to the flight environment and perform theflight task more effectively.It becomes a hotspot in the research field of aeronautics.The development of morphing aircrafts and theirdriving techniques are reviewed.The performance characteristics of every kind of intelligent material and actuators are compared withand then the technical advantages of a new piezoelectric actuator i.e.ultrasonic motor are summarized.The idea that ultrasonic mo...