An experiment of real-time data transmission of sonar images from cruising UUV to distant support vessel via USV: Development of underwater real-time communication system (URCS) by parallel cruising

Suzuki, Naoya; Kitajima, Hitoshi; Kaba, Hideki; Suzuki, Toshimitsu; Suto, Taku; Kobayashi, Akira; Ochi, Fumitoshi

doi:10.1109/oceans-genova.2015.7271465

Cited by 9 publications

(3 citation statements)

References 2 publications

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“…Unmanned Surface Vehicles (USV) are now being used in applications such as search and rescue, containment of oil spills, structural inspection of bridges, tsunami/earthquake forecast, homeland security, and environmental monitoring, among other applications [ 1 , 2 , 3 ]. USVs offer significant advantages over other robotic platforms (aerial and underwater), including payload and energy capacities [ 4 ], localization resources [ 5 ], as well as access to conventional data communication capabilities [ 6 ].…”

Section: Introductionmentioning

confidence: 99%

Unmanned Surface Vehicle Simulator with Realistic Environmental Disturbances

Paravisi

Santos

Jorge

et al. 2019

Sensors

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The use of robotics in disaster scenarios has become a reality. However, an Unmanned Surface Vehicle (USV) needs a robust navigation strategy to face unpredictable environmental forces such as waves, wind, and water current. A starting step toward this goal is to have a programming environment with realistic USV models where designers can assess their control strategies under different degrees of environmental disturbances. This paper presents a simulation environment integrated with robotic middleware which models the forces that act on a USV in a disaster scenario. Results show that these environmental forces affect the USV’s trajectories negatively, indicating the need for more research on USV control strategies considering harsh environmental conditions. Evaluation scenarios were presented to highlight specific features of the simulator, including a bridge inspection scenario with fast water current and winds.

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Section: Introductionmentioning

confidence: 99%

Unmanned Surface Vehicle Simulator with Realistic Environmental Disturbances

Paravisi

Santos

Jorge

et al. 2019

Sensors

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“…Engineers from Massachusetts Institute of Technology used the underwater communication among several USVs by underwater communication acoustic modems, which developed a communication and positioning system of USVs [ 5 ]. The USV which was developed at the Japan Naval Research Center in 2015 completed a joint images transmission experiment with an AUV [ 6 ]. The developers of the Lisbon Institute of Advanced Technology (IST) and Ocean Robot (DSOR) in Portugal developed DELFIMX, which was originally used as an acoustic relay between an AUV and auxiliary boat [ 7 , 8 ].…”

Section: Introductionmentioning

confidence: 99%

Energy Consumption Research of Mobile Data Collection Protocol for Underwater Nodes Using an USV

Zhang

Jin

et al. 2018

Sensors

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The Unmanned Surface Vehicle (USV) integrated with an acoustic modem is a novel mobile vehicle for data collection, which has an advantage in terms of mobility, efficiency, and collection cost. In the scenario of data collection, the USV is controlled autonomously along the planning trajectory and the data of underwater nodes are dynamically collected. In order to improve the efficiency of data collection and extend the life of the underwater nodes, a mobile data collection protocol for underwater nodes using the USV was proposed. In the protocol, the stop-and-wait ARQ transmission mechanism is adopted, where the duty cycle is designed considering the ratio between the sleep mode and the detection mode, and the transmission ratio is defined by the duty cycle, wake-up signal cycles, and USV’s speed. According to protocol, the evaluation index for energy consumption is constructed based on the duty cycle and the transmission ratio. The energy consumption of the protocol is simulated and analyzed using the mobile communication experiment data of USV, taking into consideration USV’s speed, data sequence length, and duty cycle. Optimized protocol parameters are identified, which in turn denotes the proposed protocol’s feasibility and effectiveness.

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“…Além da iniciativa governamental brasileira, existem diversos esforços na área acadêmica para tecnologias submarinas, em particular veículos não tripulados e autônomos, para diversas finalidades, como econômicas, oceanográficas e militares (YAN et al, 2017) (LV et al, 2016) (SUZUKI et al, 2015) (Jie and Wang 2009). Além disso, conforme destacado por GEERTSMA et al (2017), existe também um esforço científico em pesquisas sobre a autonomia de veículos voltada à área de transporte terrestre, provavelmente por este ter mais apelo popular.…”

Section: Introductionunclassified

Modelagem e análise de sistemas de propulsão naval: abordagem baseada em sistemas híbridos.

Obadowski¹

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Resumo O projeto de submarinos convencionais demanda uma ampla variedade de conhecimentos nas minhas diversas áreas da engenharia, como elétrica, mecânica, naval, além de subáreas específicas como termodinâmica, hidrodinâmica, hidrostática, engenharia estrutural, distribuição de energia elétrica, processos químico-físicos. O que acaba por caracterizar o projeto de submarinos como sendo um de um sistema complexo, pois não só consiste de várias áreas do conhecimento, como também profissionais com diferentes experiências. Na área de projetos navais, há um esforço por se desenvolver softwares, técnicas e formalismos que auxiliem na resolução dos desafios da área, visto que com o crescimento das tecnologias miniaturizadas, computação da nuvem e introdução dos conceitos da Indústria 4.0, há espaço para novas abordagens. Em outros ramos industriais, existem formalismos para os chamados sistemas complexos, como as Redes de Petri Predicado Transição Diferencial Orientadas a Objetos (PTD-OO), as quais permitem que sistemas de diferentes naturezas sejam tratados conjuntamente. Na área naval, este tipo de modelagem se traduz em oportunidades de inovação nas áreas de projetos preliminares e avaliação de requisitos durante as primeiras fases de um projeto. Ao longo deste trabalho, são apresentados conceitos atinentes às redes de Petri, ao projeto naval e o desenvolvimento de um modelo em Redes de Petri PTD-OO dos sistemas de propulsão e de eletricidade de um submarino convencional com a finalidade de avaliar a adequabilidade deste formalismo para este sistema.

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An experiment of real-time data transmission of sonar images from cruising UUV to distant support vessel via USV: Development of underwater real-time communication system (URCS) by parallel cruising

Cited by 9 publications

References 2 publications

Unmanned Surface Vehicle Simulator with Realistic Environmental Disturbances

Unmanned Surface Vehicle Simulator with Realistic Environmental Disturbances

Energy Consumption Research of Mobile Data Collection Protocol for Underwater Nodes Using an USV

Modelagem e análise de sistemas de propulsão naval: abordagem baseada em sistemas híbridos.

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