Smart Structures Technology: Innovations and Applications to Rotorcraft Systems

摘要

The status of a number of rotorcraft research tasks supported under the Army Research Office 'Smart Structures URI' program is reported herein for the reporting period from 1 January 1992 to 31 December 1997. For each task, the task objectives, the approach taken, and the final status of the research, and pertinent abstracts of journal articles or conference papers published as result of the research conducted under the task. Copies of all journal papers and conference papers that were produced under this program were forwarded to the U. S. Army Research Office in 1998, at the completion of the program, and are available upon request. The tasks are varied and cover many aspects of smart helicopter rotor development at the University of Maryland, including: (1) Development of a smart rotor using trailing edge flaps, and a controllable twist rotor blade, (2) Active tuning of composite shaft using shape memory alloy wires, (3) Active/passive damping for helicopter rotor stability augmentation, (4) Rotor acoustics control and analysis, (5) Health monitoring and damage detection, and (6) Elements of smart structures.