| 1. |
- Cederberg, Lennart, et al.
(author)
-
The Arctic Tern: AI + Soft Values = Save Fuel
- 2023
-
In: 8th Hull Performance & Insight Conference. ; , s. 38-43
-
Conference paper (peer-reviewed)abstract
- This paper summaries three years of technical development and research in close collaboration with several major shipping companies. Besides the technical AI-based decision support systems, the project has focused on soft values, how the support systems become efficient support for real, both ashore and onboard. It is important to create knowledge among technical-, commercial- and operation departments within the organisations on how to implement new methods. Different types of vessels operate under vastly different commercial realities that impact the performance and energy effectiveness. Technical systems must be adapted to each actor's reality to achieve a change and drive more climate-friendly transportation. The Arctic Tern shows fuel savings of 2-14%.
|
|
| 2. |
- Lundblad, Patrik, 1982-
(author)
-
Applied Geovisual Analytics and Storytelling
- 2013
-
Doctoral thesis (other academic/artistic)abstract
- 'Geovisual Analytics' represents a cross-disciplinary research that looks for innovative methods to interactively visualize and solve large spatio-temporal related visualization problems for multivariate data through a visual discovery, reasoning and collaborative process. The name emphasizes the link with the well-known research discipline of Visual Analytics and could be viewed as sub-area with its specific focus on space and time posing specific research problems.This thesis focuses on the design, implementation and evaluation of interactive analytical spatio-temporal and multivariate representations demonstrated in several application scenarios which contributes to our understanding of how technology, people and spatial representations of information work effectively together. Data are analysed through the use of coordinated and time-linked views controlled by a time slider. Trends are detected through several visual representations simultaneously, each of which is best suited to highlight different patterns and can help stimulate the analytical visual thinking process so characteristic for geovisual analytics reasoning. Interactive features include tooltips, brushing, highlight, visual inquiry, and conditioned statistics filter mechanisms that can discover outliers and simultaneously update all views.To support knowledge capture and the communication and publishing of gained insights from the data exploration process, a visual storytelling concept with snapshots is introduced where the author can capture the visual data exploration process and share it. Snapshots are memorized interactive visualization views that are captured and later on recreated, so that the reader of the story can see the same mental interactive scenario as the author of the story. These snapshots are then part of a story where the author writes an explanatory text and uses the snapshots to highlight key words. These highlights will allow the reader to recreate the data views used by the author and will guide the reader to the visual discoveries made.The contributions of this thesis are divided into two parts, where the first part includes applications based on geovisual analytics methods for exploring complex weather data and finding patterns and relationships within the data. Earlier, the use of data visualization has been very limited and the introduction of geovisual analytics and the techniques used have significantly improved the visual analysis process as well as increased the flexibility. The results of this research are today used by SMHI to improve optimization and safety of voyages and monitoring of the weather along Swedish roads. Formative evaluations were performed with domain analysts with the purpose to explore qualitative usability issues with respect to visual representations and interactive representation.Furthermore, this thesis contributes with a visual storytelling approach which aims at giving domain experts novel methods for capturing and sharing information discoveries in a way that the reader can follow the process of visual exploration. This approach has been tested and verified within the domain of public statistics, where national and regional statistics is published to the public through the use of embedded interactive visualizations and a story that can engage the reader. The concept of visual storytelling has also been introduced to educators, where stories are used as interactive teaching material for students to make national and regional statistics interactive and visually understandable to the students. It will also challenge the students to investigate new theories and then communicate them visually.
|
|
| 3. |
- Marmefelt, Eleonor, et al.
(author)
-
TÄRNA : Smart ruttoptimering för korta och långa sjöresor
- 2023
-
Reports (other academic/artistic)abstract
- Effektiv energianvändning och minskad miljöpåverkan från sjötransporter är encentral del av vårt gemensamma ansvar att främja en bättre framtid för vår planetoch kommande generationer.Tärna har under projekttiden testat, demonstrerat och utbildat och bidragit till attinföra nya arbetssätt med fokus på smart ruttoptimering inom delar av deninternationella sjöfarten. Slipstream, som är ett viktigt verktyg i denna process,har vidareutvecklats till ett än mer kraftfullt verktyg för energioptimering avfartygsrutter med hjälp av Tärna. Slipstream, baserat på maskininlärning,använder unika lösningar och kan bearbeta en mycket större mängd informationoch parametrar jämfört med traditionella verktyg som dominerar marknaden.Detta ger en helt ny möjlighet att ständigt hålla sig uppdaterad om det optimalaresultatet av fartygets drifts- och maskininställningar, med hänsyn till alla storaoch små förändringar under sjöresan. Detta är särskilt viktigt på kortare sjöresordär traditionella verktyg ofta är mindre användbara.Förutom den tekniska delen har en stor del av projektet inriktats på de mjukarevärdena, som utmanar de traditionella och starka kommersiella drivkrafterna inominternationell sjöfart, genom att främja en förståelse för hur de nyaprecisionsverktygen ska användas, gärna tillsammans med andra befintligasystem. Tärna har utbildat både fartygsbesättningar och landorganisationen i attbättre utnyttja data. Detta har inkluderat samarbete med erfaren personal med stortansvar och befogenhet. Tärna har även genomfört praktiska experiment i realtidför framtida sjöbefäl, för att de ska ha kunskap om ny teknik för energieffektivasjötransporter.Tärna visar vägen hur ett transparant och precist verktyg och resultatet av enoptimerad drift/maskininställning kan användas inom hela organisationen för attuppnå mer energieffektiva sjötransporter, såväl korta som långa sjöresor, medminskad miljöpåverkan. Tärnas metoder uppvisar resultat av bränslebesparingaroch minskad emission mellan 2-14%.
|
|
