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Scalable Satellite Swarm Deployment via Distance-based Orbital Transition Under $J_2$ Perturbation

Takahashi, Yuta, Sakai, Shin-ichiro

arXiv.org Artificial Intelligence

This paper presents an autonomous guidance and control strategy for a satellite swarm that enables scalable distributed space structures for innovative science and business opportunities. The averaged $J_2$ orbital parameters that describe the drift and periodic orbital motion were derived along with their target values to achieve a distributed space structure in a decentralized manner. This enabled the design of a distance-based orbital stabilizer to ensure autonomous deployment into a monolithic formation of a coplanar equidistant configuration on a user-defined orbital plane. Continuous formation control was assumed to be achieved through fuel-free actuation, such as satellite magnetic field interaction and differential aerodynamic forces, thereby maintaining long-term formation stability without thruster usage. A major challenge for such actuation systems is the potential loss of control capability due to increasing inter-satellite distances resulting from unstable orbital dynamics, particularly for autonomous satellite swarms. To mitigate this risk, our decentralized deployment controller minimized drift distance during unexpected communication outages. As a case study, we consider the deployment of palm-sized satellites into a coplanar equidistant formation in a $J_2$-perturbed orbit. Moreover, centralized grouping strategies are presented.


Smart robots do all the work at Nissan's 'intelligent' plant

#artificialintelligence

Nissan's "intelligent factory" hardly has any human workers. The robots do the work, including welding and mounting. They do the paint jobs and inspect their own paint jobs. "Up to now, people had to make production adjustments through experience, but now robots with artificial intelligence, analyzing collected data, are able to do it. The technology has developed to that level," Nissan Executive Vice President Hideyuki Sakamoto said during a tour of the production line for the Ariya sport-utility vehicle at its Tochigi plant Friday.


Smart robots do all the work at Nissan's 'intelligent' plant

#artificialintelligence

Nissan's "intelligent factory" hardly has any human workers. The robots do the work, including welding and mounting. They do the paint jobs and inspect their own paint jobs. "Up to now, people had to make production adjustments through experience, but now robots with artificial intelligence, analyzing collected data, are able to do it. The technology has developed to that level," Nissan Executive Vice President Hideyuki Sakamoto said during a tour of the production line for the Ariya sport-utility vehicle at its Tochigi plant Friday.


5 big takeaways from the E3 2021 Nintendo Direct

#artificialintelligence

For many gamers, E3 2021 hasn't churned out as many big announcements as expected. Many would say it was a disappointment so far, but Nintendo changed that with a bevy of game reveals and updates that was enough to satisfy fans. No, Nintendo didn't reveal an updated Switch as many predicted; instead, they surprised fans with the announcement of "Metroid Dread," a remake of its "Advance Wars" series, a new "WarioWare" entry and a Game & Watch for "The Legend of Zelda's" 35th anniversary. Oh, franchise supervisor Eiji Aonuma also showed off clips from a "Breath of the Wild" sequel. "Metroid Dread" was the biggest piece of news coming from the showcase -- While everyone was predicting a "Mario Kart 9" or "Pikmin 4," few were expecting a return of the the classic "Metroid" 2D gameplay.


With 'Metroid Dread,' Nintendo Switch addresses space warrior video game's past and future

USATODAY - Tech Top Stories

Mario may be Nintendo's standard-bearer, but Samus Aran of the "Metroid" games is getting her own chance to headline. And it's the first new story in the series in 19 years to play in 2D, picking up after "Metroid Fusion," released in 2002 for the Game Boy Advance handheld. "Metroid Dread" pays homage to that game with its side-scrolling heritage that goes back to the first installment in the series, "Metroid," from 1986. Samus moves fast and fluidly runs, jumps, slides and climbs through lush landscapes with detailed 2.5D backgrounds. A new power, the Spider Magnet, allows the character to climb walls and stick to ceilings like Spider-Man.


Before visual novels, 'Famicom Detective Club' writer recalls the genre's limitations

Washington Post - Technology News

Nintendo in the late 1980s was very interested in playing in different storytelling genres, and they tasked Sakamoto with developing a game focused solely on the narrative. Sakamoto said Nintendo was considering "unraveling the story line and enjoying being part of an interactive story" as one pitch for game design.


UL 3300 to examine safety of human-robot interaction

#artificialintelligence

Rapid technological advancements are giving rise to a new generation of robots that have the ability to perform diverse tasks in open spaces and work with and alongside people. While already a mainstay within industrial and manufacturing sectors, next-generation robots are being utilized in non-traditional settings, such as grocery stores, hotels, airports, banks, shopping malls and public spaces, including sidewalks and parks. UL has issued UL 3300, the Outline of Investigation (OOI) for Service, Communication, Information, Education and Entertainment (SCIEE) Robots. This is UL's first consumer and commercial robot certification document that addresses human-robot interaction safety concerns. Since SCIEE (pronounced sky) robots typically operate near humans, the outline places a priority on the safe operation of robots in a variety of environments where people are present.


Nissan invests ¥33 billion in production to prepare for electric age

The Japan Times

YOKOHAMA – Nissan is investing ¥33 billion ($303 million) in its flagship auto plant in Tochigi Prefecture in a first rollout of a production system geared toward electric vehicles. Nissan Motor Co. Executive Vice President Hideyuki Sakamoto said Thursday that manufacturing methods must change because vehicles increasingly have both hybrid and electric engines and new parts for connectivity and artificial intelligence services. Sakamoto said the production changes, set to be completed next year, use robotics and sensors to decrease physical stress on assembly-line workers. They are tailored for a workforce increasingly manned by senior workers and women. Among the innovations for Nissan's "intelligent factory" is a powertrain mounting system that allows at least 27 configurations to be installed in one procedure.


Nissan to invest ¥33 billion on advanced manufacturing technology

The Japan Times

YOKOHAMA – Nissan Motor Co. said Thursday it will invest ¥33 billion ($301 million) to introduce advanced manufacturing technology at a plant in Japan to tackle the challenges of producing next-generation vehicles such as electric, intelligent and connected cars. Nissan plans to introduce the manufacturing technology at its factories around the world, including those of alliance partners Renault SA and Mitsubishi Motors Corp., following the initial investment at its plant in Tochigi Prefecture in 2020. "A leap in Nissan's production technology will be key in enhancing our (overall) technology as vehicles become more complex and advanced," Nissan Executive Vice President Hideyuki Sakamoto told a news conference at the automaker's headquarters in Yokohama. The new system involves automated pallets that mount entire powertrains, whereas assembly line staff currently install multiple components, such as batteries and motors, in sequence. Such universal pallets will enable Nissan to assemble different types of vehicles, whether electric or gasoline-powered, in one process, the company said.


Ryuichi Sakamoto and Joichi Ito A dialogue on artificial intelligence and humanity DG Lab Haus

#artificialintelligence

Musician Ryuichi Sakamoto and Joichi Ito, the co-founder of Digital Garage, Inc. and Director of the MIT Media Lab, are old friends who have stayed in touch since the early 1990s. At present, both have based their activities in cities on the US East Coast, Sakamoto in New York and Ito in Boston. Although their fields of expertise (music and the Internet, respectively) differ, the two have always pursued leading-edge technology. They recently sat down to discuss artificial intelligence and the future of humankind. Joichi Ito (hereinafter referred to as "Ito"): Artificial intelligence is going to have a big impact on our society.

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