期刊
AEROSPACE
卷 9, 期 3, 页码 -出版社
MDPI
DOI: 10.3390/aerospace9030155
关键词
tiltrotor aircraft; conversion flight control; active disturbance rejection control; sliding mode control
资金
- Aeronautical Science Foundation of China [20175752045, 2016ZA02001, 20145751037]
This paper proposes an active disturbance rejection controller for tiltrotor aircraft conversion flight. The controller is designed to handle model uncertainties and external disturbance via estimation, and its effectiveness is demonstrated through simulations.
The tiltrotor aircraft consists of three primary flight modes, which are helicopter flight mode in low forward speed flight, airplane flight mode in high forward speed flight and conversion flight mode. This paper presents an active disturbance rejection controller for tiltrotor aircraft conversion flight. First, a tiltrotor aircraft flight dynamics model is developed and verified. Then, conversion flight control laws, designed via the active disturbance rejection control (ADRC) and sliding mode control (SMC) techniques, are proposed for the tiltrotor aircraft with model uncertainties and external disturbance, which are estimated with an extended state observer. Finally, the simulation of automatic conversion flight is carried out, which shows the effectiveness of the developed controller.
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