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Yufang Zhang, Changde Liu, Nan Zhang, Qian Ye and Weifeng Su
Focusing on dynamic positioning (DP) systems for ships, which are subject to environmental disturbances and actuator constraints, this paper presents a finite-time controller that uses a disturbance observer with the aid of a backstepping technique. Firs...
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Guoqing Xia, Xianxin Sun and Xiaoming Xia
This paper investigates swarm control for unmanned surface vessels subject to multiple constraints. These constraints can be summarized as model parameter uncertainty, the unavailability of velocity measurements, time-varying environmental disturbances, ...
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Jiwei Tang, Weicheng Xie, Xiaoliang Wang and Cheng Chen
Based on the biaxial experiment data of the membrane material under hot and cold conditions, the mechanical properties calculation model of envelope material was established with consideration of the effects of varying stress ratios, stress magnitudes an...
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Sthéfano Bruno Santos Divino
This article has the following research problem: what is it like to be a subject of law? As a general objective, it aims to understand how the subject of law is formed. As a specific objective, it intends to answer the following question: are non-human a...
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Klaus Bosselmann
Environmental laws and policies have saved some ?trees?, but the ?forest? is being lost as critical global issues including climate change, biodiversity loss, and our ecological footprint continue to worsen. Existing laws and policies mitigate the ecolog...
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Marcos Gonzalez
Este artigo analisa se as políticas de acesso a dados armazenados em coleções biológicas, produzidas no âmbito do Programa de Pesquisa em Biodiversidade (PPBio) do Ministério de Ciência e Tecnologia (MCT), estão em conformidade com a legislação brasileir...
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Roberto Cavallo Perin and Dario Casalini
Water resources in European legal systems have always been vested in sovereign power, regardless of their legal nature as goods vested in State property or as res communes omnium not subject to ownership. The common legal foundation of sovereign power ov...
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