Design of an AUV Research Platform for Demonstration of Novel Technologies

Deutsch, Clemens; Moratelli, Lázaro; Thuné, Sebastian; Kuttenkeuler, Jakob; Söderling, Filip

doi:10.1109/auv.2018.8729729

Cited by 7 publications

(6 citation statements)

References 14 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Our analysis has shown that using the circular pattern is best when the area to be covered is very large, at the cost of efficiency. This way of coverage is better suited for vehicles with long range and long endurance properties, such as LoLo [17](Fig. 11) and Autosub [18].…”

Section: Discussionmentioning

confidence: 99%

Efficient Navigation Aware Seabed Coverage using AUVs

Özkahraman¹,

Ögren²

2021

2021 IEEE International Symposium on Safety, Security, and Rescue Robotics (SSRR)

View full text Add to dashboard Cite

Section: Discussionmentioning

confidence: 99%

Efficient Navigation Aware Seabed Coverage using AUVs

Özkahraman¹,

Ögren²

2021

2021 IEEE International Symposium on Safety, Security, and Rescue Robotics (SSRR)

View full text Add to dashboard Cite

“…AUV LoLo is a mid-size, flooded-hull type AUV designed as a demonstrator platform for novel technologies [58]. The AUV is divided into three sections: fore (payload), aft (propulsion and control), and center.…”

Section: Auv Lolomentioning

confidence: 99%

Fuel Cells in Practice: Challenges and Benefits for AUVs

Deutsch

Thuné

Espinoza

et al. 2022

OCEANS 2022 - Chennai

Self Cite

View full text Add to dashboard Cite

This study focuses on the feasibility and benefits of implementing of a fuel cell/battery hybrid power system in the autonomous underwater vehicle LoLo. We highlight the practical implications and challenges related to such a power system conversion and compare the benefits of using a fuel cell system rather than a pure battery system. Storage of hydrogen and oxygen as pressurized gases is considered most suitable for a conversion of this kind. In order to outperform Li-ion battery packs, high-pressure gas storage is required, preferably at pressures of 500 MPa or higher. Through a market analysis, we analyze the performance of commercial gas cylinders in terms of volumetric and gravimetric densities. This information can subsequently be used to compare energy density and effective energy density for the respective power systems. The study exemplifies how fuel cell/battery hybrid systems can provide up to 75% higher effective energy density compared to conventional battery packs. Ongoing developments in the fuel cell and auxiliary system markets are likely to allow for further optimization of the fuel cell system.

show abstract

“…The Swedish Maritime Robotics Centre (SMaRC) aims to develop fuel cell-powered AUVs capable of performing long-range missions in unknown water environments. The studied AUV is named LoLo (long-range, long-endurance), and has been under development as a demonstrator platform for the SMaRC project [48]. In Figure 2, the general shape of the vehicle is presented.…”

Section: Case Studymentioning

confidence: 99%

Including Heat Balance When Designing the Energy System of Fuel Cell-Powered AUVs

et al. 2021

View full text Add to dashboard Cite

Fuel cell-powered Autonomous Underwater Vehicles (AUVs) represent a growing area of research as fuel cells can increase their endurance. Fuel cells consume hydrogen and oxygen to generate electricity. Typically, the fuel cell generates as much heat as electrical energy, and heat management becomes a crucial parameter when designing AUVs. For underwater applications, there is a need to store both gases and several types of storage units with different characteristics exist which have impacts on the energy density and heat behavior. This study aims at including the heat properties of the storage units in the design process of fuel cell-powered AUVs. A heat balance over the energy system of an AUV is calculated for each combination of hydrogen and oxygen storage units. In addition, a multi-criteria decision-making analysis is conducted, considering the calculated total heat, the specific energy, the energy density and the volumetric mass of each combination of storage units as criteria, enabling a comparison and ranking them using two objective criteria weighting methods. Results show that the fuel cell is the major contributor to the heat balance, and that the combinations of liquid oxygen with liquid or compressed hydrogen can be relevant and suitable for underwater applications.

show abstract

Design of an AUV Research Platform for Demonstration of Novel Technologies

Cited by 7 publications

References 14 publications

Efficient Navigation Aware Seabed Coverage using AUVs

Efficient Navigation Aware Seabed Coverage using AUVs

Fuel Cells in Practice: Challenges and Benefits for AUVs

Including Heat Balance When Designing the Energy System of Fuel Cell-Powered AUVs

Contact Info

Product

Resources

About