L1-based Model Following Control of an Identified Helicopter Model in Hover
Giacomo Picardi, Stefano Geluardi, Mario Olivari, Heinrich H. Buelthoff, Max Plank Institute for Biological Cybernetics; Lorenzo Pollini, Mario Innocenti, University of Pisa
May 17, 2016
L1-based Model Following Control of an Identified Helicopter Model in Hover
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- 8 pages
- SKU # : 72-2016-289
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L1-based Model Following Control of an Identified Helicopter Model in Hover
Authors / Details: Giacomo Picardi, Stefano Geluardi, Mario Olivari and Heinrich H. Buelthoff, Max Plank Institute for Biological Cybernetics; Lorenzo Pollini and Mario Innocenti, University of PisaAbstract
The aim of this study is to augment the uncertain dynamics of the helicopter in order to resemble the dynamics of a new kind of vehicle, the so called Personal Aerial Vehicle. To achieve this goal a two step procedure is proposed. First, the helicopter model dynamics is augmented with a PID-based dynamic controller. Such controller implements a model following on the nominal helicopter model without uncertainties. Then, an L1 adaptive controller is designed to restore the nominal responses of the augmented helicopter when variations in the identified parameters are considered. The performance of the adaptive controller is evaluated via Montecarlo simulations. The results show that the application of the adaptive controller to the augmented helicopter dynamics can significantly reduce the effects of uncertainty due to the identification of the helicopter model. For implementation reasons the adaptive controller was applied to a subset of the outputs of the system. However, the under actuation typical of helicopters makes the tracking of the nominal responses good also on the not directly adapted outputs.
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L1-based Model Following Control of an Identified Helicopter Model in Hover
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