Active angular control of a sectioned airfoil using shape memory alloys and fuzzy controller

被引：10
|
作者：
Chagas Manhaes de Abreu, Gustavo Luiz [1 ]
Maesta, Marcelo F. [1 ]
Lopes Junior, Vicente [1 ]
De Marqui Junior, Carlos [2 ]
Faria, Cassio T. [3 ]
Inman, Daniel J. [3 ]
机构：
[1] Univ Estadual Paulista, UNESP, Ilha Solteira, SP, Brazil
[2] Univ Sao Paulo, Dept Engn Aeronaut, Sao Carlos, SP, Brazil
[3] Univ Michigan, Dept Aerosp Engn, Ann Arbor, MI 48109 USA
来源：
JOURNAL OF THE BRAZILIAN SOCIETY OF MECHANICAL SCIENCES AND ENGINEERING | 2015年 / 37卷 / 05期
基金：
巴西圣保罗研究基金会;
关键词：
Active angular control; Sectioned airfoil; Fuzzy logic; Shape memory alloys; PREDICTIVE CONTROL;
D O I：
10.1007/s40430-014-0293-1
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The present work illustrates an example of shape memory alloys and fuzzy controllers applied to active angular control of a sectioned airfoil. The main objective of the proposed control system is to modify the camber line of an airfoil based on the relative rotation between the different sections of the profile, given a reference angle. The changes of the sectioned airfoil angle result from the contraction/expansion of the shape memory alloy caused by heating of the wire with an electric current that changes its temperature by the Joule effect. Considering the presence of plant's nonlinear effects, especially in the mathematical model of the alloy, this work proposes the application of a control system based on fuzzy logic theory. Through numerical and experimental tests, the performance of the fuzzy controller is compared with an on-off controller applied in an airfoil.
引用
收藏
页码：1555 / 1567
页数：13
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