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http://dx.doi.org/10.5302/J.ICROS.2014.13.1947

Altitude Control of a Quad-rotor System by Using a Time-delayed Control Method  

Lim, Jeong Geun (Department of Mechatronics Engineering, Chungnam National University)
Jung, Seul (Department of Mechatronics Engineering, Chungnam National University)
Publication Information
Journal of Institute of Control, Robotics and Systems / v.20, no.7, 2014 , pp. 724-729 More about this Journal
Abstract
This paper presents the altitude control of a quadrotor system under the disturbance. The altitude is measured by an ultra sonic sensor attached at the bottom of the quadrotor system and the measured altitude data are used in the time-delayed controller. To test the robustness of the controller, a weight attached to the center of the system is dropped intentionally several times to cause disturbances to the system. Performances of the altitude control by the PID control and time-delayed control method are compared experimentally. Experimental studies are conducted to verify the outperformance of the time-delayed controller for controlling the altitude of the quadrotor system under disturbances.
Keywords
quadrotor system; altitude control; time-delayed control;
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Times Cited By KSCI : 4  (Citation Analysis)
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