Adaptive nonlinear design plant uncertainty cancellation for a multirotor
Adaptive nonlinear design plant uncertainty cancellation for a multirotor
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自适应非线性设计计划消除多旋翼飞行器的不确定性
DOI:
10.1109/icuas.2016.7502555
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发表时间:
2016
期刊:
影响因子:
--
通讯作者:
F. Holzapfel
中科院分区:
文献类型:
--
作者:
V. S. Akkinapalli;P. Niermeyer;B. Lohmann;F. Holzapfel
This paper presents the design of an adaptive augmentation for cascaded outer-loop path and inner-loop acceleration tracking controllers. The adaptive augmentation is based on a nonlinear design plant and uses model reference adaptive control (MRAC). The outer-loop position controller is a nonlinear model predictive controller (NMPC) with velocity adjustment which incorporates the states and control input constraints. Acceleration tracking is achieved by using nonlinear dynamic inversion with dynamic thrust extension. To increase robustness to uncertainties, an adaptive augmentation scheme is proposed. In contrast to classical MRAC, where the augmentation drives the system towards a desired closed-loop behavior, the plant dynamics are driven towards a nonlinear design plant. This approach decouples baseline control and design of adaptation. Simulation results are shown to illustrate the robustness of the adaptive augmentation.
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DOI:
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发表时间:
2015
期刊:
影响因子:
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期刊:
Student Conference on Research and Development
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期刊:
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DOI:
10.1109/icuas.2016.7502541
发表时间:
2016
期刊:
2016 International Conference on Unmanned Aircraft Systems (ICUAS)
影响因子:
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作者:
P. Niermeyer;V. S. Akkinapalli;M. Pak;F. Holzapfel;B. Lohmann
通讯作者:
B. Lohmann