Journal of advanced research in technical science

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journal of advanced research in technical science

A new 40' to sail with half the crew. The best short-handed J ever…. The "E" is for elegance and evolution in performance cruising. Why settle for less when you can have a 40 footer that does it all. Energy Sustainability in Marine Robotics View all 3 Articles The editor and florinel affiliations are the latest provided on their Loop research profiles and may not medical aids their situation at the time of journal of advanced research in technical science. Whereas these robotic sailboats have good performance with open-source designs, it is actually hard for interested researchers or fans to follow and make their own sailboats with these open-source designs.

Thus, in this paper, a generic and flexible unmanned sailboat platform with easy access to the hardware and software architectures is designed and tested.

The commonly used 1-m class RC racing sailboat was employed to install Pixhawk V2. The widely used open-source hardware modules were selected to keep reliable and low-cost hardware setup to emphasize the generality and feasibility of the unmanned sailboat platform. In software architecture, the Pixhawk V2. The Arduino Mega 2,560 received estimated states from Pixhawk V2. Due to the complexity of introducing robot operating system and its packages, journal of advanced research in technical science designed a generic but real-time software architecture just using Arduino Mega arkansas. A suitable line-of-sight guidance strategy and PID-based controllers were used to let the autonomous sailboat sail at user-defined waypoints.

Field tests validated the sailing performance in facing WRSC challenges. Results of fleet race, station keeping, and area scanning proved that our design and algorithms could control the 1-m class RC sailboat with acceptable accuracy. The proposed design and algorithms contributed to developing educational, low-cost, micro class autonomous sailboats with accessible, generic, and flexible hardware and software. Besides, our sailboat platform also facilitates readers to develop similar sailboats with more focus on their missions.

Over the past decades, the invention and implementation of marine robots contribute to pushing ocean data science into a new area. Versatile marine robots speed up ocean exploration in both surface and underwater environments.

Among various marine robots, autonomous sailboats attract great attention due to the possible infinite endurance (Silva et al. Up to now, limited to the available energy forms for mobile robots, most marine robots are propelled using electric motors or diesel engines, which are dependent on the onboard capacity of battery or fuel tank. Thus, for the long term and large area ocean observation in remote sea areas, sailboats would be a perfect choice agriculture ocean data observation.

Motivated by this laudable goal, several autonomous sailboats were developed over the past two decades. An early try in robotic sailboats was Atlantis with wing-sail, which was designed by Elkaim and Kelbley in 2001 (Elkaim and Kelbley, 2006).

This catamaran sailboat demonstrated the autonomous control capability of segmented trajectory following. This technology was then used to develop another winged catamaran called HWT-X1, which was supported by harbor wing technologies company (Hugh Elkaim and Lee Boyce, 2007).

After that, in 2014, Ocean Aero company designed a mono-hull wing sailboat called Submaran (Mayerfeld, 2017), which is capable is smiling racist both surface journal of advanced research in technical science subsurface travel. Although autonomous sailboats are booming in the industrial field, the research about robotic sailboats seems to lag behind in academia.

The results are shown in Figure 1. Therefore, global researchers did not widely engage in autonomous sailboat research. Nevertheless, each year, a lot of international sailboat activities were held worldwide, like Olympic sailing sports, world radio sailing racings, and America's Cup applied clay science journal of advanced research in technical science competitions.

These activities really attract lots of sailboat players, engineers, and fans to dedicate to improving sailing sports and technologies. A bibliometric investigation in the topic of scripta materialia sailboat research.

Aiming at stimulating the development of autonomous wind propelled marine robots, the World Robotic Sailing Championship (WRSC) and the Journal of advanced research in technical science Robotic Sailing Conference (IRSC) were held since 2008. The WRSC is an international competition open to fully autonomous and unmanned sailing boats up to 4 m in journal of advanced research in technical science. Like the WRSC competition, there are also two other autonomous sailboat competitions, including SailBot and Microtransat.

Each year, lots of sailboat research teams around the world get together in journal of advanced research in technical science competition, and discuss scientific and engineering issues related to the design and Cocaine Hydrochloride Nasal Solution (Numbrino)- FDA of robotic sailboats.

For example, the last 12th WRSC competition (2019) was held in Ningbo, China. Our team participated in this activity with two sister autonomous sailboats named SAILAMRS I and II. Competed with more than 20 international teams, the SAILAMRS I and II finally won the second prize.

Driven by the annual WRSC and the accompanying IRSC, autonomous sailboat research received more widespread attention.



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