Geometric control of quadrotor UAVs using integral backstepping
The traditional quadcopter control systems should deal with two common problems. Namely, the singularities related to the inverse kinematics and the ambiguity linked to the quaternion representation of the dynamic model. Moreover, the stability problem due to the system nonlinearity and high degree...
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| Main Authors: | , , , |
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| 格式: | Article |
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Institute of Advanced Engineering and Science
2021
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| 在线阅读: | http://eprints.um.edu.my/35717/ https://www.scopus.com/inward/record.uri?eid=2-s2.0-85103223946&doi=10.11591%2fijeecs.v21.i4.pp53-61&partnerID=40&md5=a3bba82d9f6180238ecbcfb0a59088a4 |
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| 总结: | The traditional quadcopter control systems should deal with two common problems. Namely, the singularities related to the inverse kinematics and the ambiguity linked to the quaternion representation of the dynamic model. Moreover, the stability problem due to the system nonlinearity and high degree of coupling. This paper provides a solution to the two issues by employing a geometrical integral-backstepping control system. The integral terms were added to improve system ability to track desired trajectories. The high-level control laws are considered as a virtual control and transmitted to the low-level to track the high-level commands. The proposed control system along with the quadcopter dynamic model were expressed in the special Euclidean group SE(3). Finally, the control system robustness against mismatching parameters was studied while tracking various paths. © 2021 Institute of Advanced Engineering and Science. All rights reserved. |
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