Output Feedback Cooperative Dynamic Positioning Control for an Unactuated Floating Object Using Multiple Vessels
نویسندگان
چکیده
This paper proposes an output feedback cooperative dynamic positioning control scheme for unactuated floating object using multiple vessels under model uncertainties and environmental disturbances. The is connected to through towlines. At first, nonlinear extended state observers are developed the reconstruct unmeasured velocity estimate Second, observer-based controllers designed drive track reference signal achieve of vessels, respectively. salient features proposed presented as follows. Firstly, by design controller, tracking performance improved. Secondly, according required force object, time-varying formation obtained towline attachment geometry allocation a model. It shown that all signals in closed-loop system bounded via Lyapunov analysis. Simulation study carried out verify effectiveness method.
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ژورنال
عنوان ژورنال: Journal of Marine Science and Engineering
سال: 2021
ISSN: ['2077-1312']
DOI: https://doi.org/10.3390/jmse9050463