用户名: 密码: 验证码:
Improved adaptive fuzzy sliding mode controller for robust fault tolerant of a Quadrotor
详细信息    查看全文
文摘
In this paper, a model for a Quadrotor helicopter has been considered when a fault has been occurred in its actuators. The sliding mode control technique has been utilized as one of a robust passive fault tolerant control methods to control the Quadrotor’s attitude. An adaptive fuzzy system, as a compensator has been used to compensate the estimation error of nonlinear functions and faulty parts. Although increasing the adaptation rate enhances the responding speed, it is accompanied by closed loop system instability. In order to avoid instability and to increase the robustness of the closed loop system, in this paper, a new parallel fuzzy system has been proposed along with a main fuzzy system. The adaptation rules of the main and parallel fuzzy systems were extracted from Lyapunov’s stability theory. During the numerical simulation, the efficiency of the proposed method has been shown against actuator faults.

© 2004-2018 中国地质图书馆版权所有 京ICP备05064691号 京公网安备11010802017129号

地址:北京市海淀区学院路29号 邮编:100083

电话:办公室:(+86 10)66554848;文献借阅、咨询服务、科技查新:66554700