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Sökning: WAKA:ref > Chalmers tekniska högskola

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  • A. Costa, Nicole, 1988-, et al. (författare)
  • Identifying gaps, opportunities and user needs for future E-navigation technology and information exchange
  • 2018
  • Ingår i: Stanton N. (eds) Advances in Human Aspects of Transportation. AHFE 2017. Advances in Intelligent Systems and Computing, vol 597. Springer, Cham. - 978-331960440-4 ; s. 157-169
  • Konferensbidrag (refereegranskat)abstract
    • Since IMO’s recent approval of the E-navigation strategy, projects like EfficienSea2 have focused on improving information exchange, safety and efficiency of navigation. To identify current gaps and potential development opportunities, this study investigated the current maritime network, typical work practices and technologies through qualitative research with the Swedish Vessel Traffic Services, coastal pilots and navigation instructors. Maritime operations happen within a resilient sociotechnical system where ship- and shore-based operators work in cooperation to achieve common goals. However, the low interconnection of information technologies was evident, and basic local navigational information was dispersed, sometimes conflicting or inaccessible, increasing uncertainty and complicating decision-making for ship- and shore-based stakeholders. New e-navigation solutions may not only alter work processes but also the organisation of the maritime network.
  • A. Costa, Nicole, 1988-, et al. (författare)
  • Implementing human centred design in the context of a graphical user interface redesign for ship manoeuvring
  • 2017
  • Ingår i: International journal of human-computer studies. - 1071-5819. ; 100, s. 55-65
  • Tidskriftsartikel (refereegranskat)abstract
    • Human Centred Design (HCD) has been well-established in industrial and interaction design since the 1990's. HCD has a significant role to play as maritime industries struggle to retain the best crews and decrease risk in terms of human and environmental safety. This case study describes a test of an HCD approach, conducted within the European Commission project Crew-centred Design and Operations of Ships and Ship Systems (CyClaDes) under its Seventh Framework Programme. The HCD case study was undertaken by a design team at a partner firm for the redesign of a bridge wing conning display (a ship manoeuvring system) in their full mission ship bridge simulator. This paper summarizes the findings from the case study and discusses them from the perspective of the challenges, benefits, and most effective ways to introduce and use HCD in firms in the maritime sector unfamiliar with the concept. The authors of this paper performed observations, interviews and focus groups at regular intervals, augmented with reports and a resource survey completed by the design team. The conclusions highlight the impact of industrial context and constraints on the application of the HCD approach, as well as the impact of who applies HCD, of how it is depicted in literature and perceived by HCDnovice teams.
  • A. Costa, Nicole, 1988-, et al. (författare)
  • Non‑technical communication factors at the Vessel Traffic Services
  • 2017
  • Ingår i: Cognition, Technology & Work. - 1435-5558.
  • Tidskriftsartikel (refereegranskat)abstract
    • This study done at the Vessel Traffic Services (VTS) explored how the VTS operators (VTSOs) communicated with ships and other actors in the maritime sociotechnical system and how decisions were made with regard to assisting traffic in maintaining safe passage in port areas, where most vessel movements are seen and accidents occur. The fieldwork was done during four independent visits to a VTS centre under the Swedish Maritime Authority, with a total sample of six VTSOs and one VTS instructor. The qualitative data were sorted and coded using a grounded theory approach. The data pointed at non-technical information processing and communication factors that play a role in decision-making and ultimately in safety. During protocol operations at the VTS, these factors influenced how VTSOs judged the skills of the vessels’ bridge teams, and how they approached them. This is a time where much effort is being put into upgrading technological systems, and these will have the power to change the ways in which the maritime network obtains and processes information, as well as how they can communicate with each other. The further development of technological systems, work protocols and training programmes can benefit from taking the soft aspects of communication and the needs of the operators and their tasks into account for the enhancement of safety.
  • A. Costa, Nicole, 1988-, et al. (författare)
  • Perceived success factors of participatory ergonomics in ship design
  • 2015
  • Ingår i: Occupational Ergonomics. - 1359-9364. ; 12:4, s. 141-150
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: The more complex and perilous a sociotechnical system is, the more crucial it is to have users and other relevant stakeholder groups in focus throughout its design lifecycle. In the design and development of ships and ship systems, there has been resistance towards the integration of ergonomic principles through a human-centred approach as well as to involving the user. This inattention can result in an inadequate design, which may have negative repercussions on usability, ultimately threatening the safety of onboard operations, overall system performance and the well-being of the crew. OBJECTIVE: This study explores the perceived success factors of participatory ergonomics based on the standpoint of young seafarers. METHODS: Such is achieved by examining a focus group with cadets inspired by Grounded Theory approach. RESULTS: The findings reveal user participation as a designer’s essential contact with reality, provided that a set of pre-conditions that supports the success of participatory ergonomics can be fulfilled: involving the right users and filling in the gap between end-user needs and ship-owner requirements. The consequent success factors are described at a usability level, an intrinsic level for the end-users, and ultimately at the level of increased safety and efficiency. CONCLUSIONS: User input may not only affect design as an outcome, it may also influence the way participatory ergonomics is performed in the maritime sector.
  • Aaboe, L, et al. (författare)
  • Incubator performance: an efficiency frontier analysis
  • 2008
  • Ingår i: International Journal of Business Innovation and Research. - 1751-0252. ; 2:4, s. 354-380
  • Tidskriftsartikel (refereegranskat)abstract
    • Assessments and evaluations of incubators has been a topic of discussion for as long as incubators have been in existence due to the fact that there has not been an agreement on how to determine good performance. This paper demonstrates the use of Data Envelopment Analysis (DEA) when studying performance of incubators. More specifically, it does so within the four dimensions of cooperation with universities, business networks, external funding and competence development on a sample of 16 Swedish incubators. We show that DEA enables us to measure non-numerical dimensions, and to simultaneously take into account the efforts made by both the incubator and the outcomes. Moreover, DEA provides benchmarks and, based on a model that divides the incubators into four different groups, illustrates the difference between the benchmark and the incubators' current situation.
  • Aaboen, Lise, 1978- (författare)
  • Business Incubators as Networks - How and Why?
  • 2008
  • Ingår i: Proceedings of ECEI 2008 The 3rd European Conference on Entrepreneurship and Innovation. - 978-1-906638-15-3 ; s. 1-8
  • Konferensbidrag (refereegranskat)
  • Aaboen, Lise, 1978-, et al. (författare)
  • Capturing processes in longitudinal multiple case studies
  • 2012
  • Ingår i: Industrial Marketing Management. - 0019-8501. ; 41:2, s. 235-246
  • Tidskriftsartikel (refereegranskat)abstract
    • This paper discusses and suggests a methodological approach to capture processes in multiple case studies. While single case studies may address processes in an inductive or abductive manner, multiple case studies entail a stronger need for analytical frameworks and methodological tools developed ex ante in order to maintain focus on the same phenomena across cases and over time. This is, however, difficult to pursue in studies that focus on processes. The aim of the paper is to suggest an approach to longitudinal multiple case studies. We use an example of an on-going multiple case study aiming at capturing the processes of strategizing in terms of how the networking of start-up companies interplays with their ideas of future network positions. The paper concludes by suggesting the use of a combination of narratives and network drawings. Network drawings can be instrumental in capturing the past, the present and the future at different points in time for the individual cases. Based on these descriptions, change patterns and how these evolve can be analyzed and compared across cases and over time.
  • Aaboen, Lise, et al. (författare)
  • Corporate governance and performance of small high-tech firms in Sweden
  • 2006
  • Ingår i: Technovation. - 0166-4972. ; 26, s. 955-968
  • Tidskriftsartikel (refereegranskat)abstract
    • The approach uses data from a sample of 183 small high-tech firms, new technology-based firms (small high-tech firms) in Sweden (54 variables under the headings of work experience, board and advice, financing, motivation—performance priorities, technological innovation and strategy). This study identifies some core areas of importance in corporate governance. Few managers in this study had a strong background and experience of finance and the preparation of business. Only 64 per cent of the managers have had previous work experience before starting the firm. The survey makes it clear that the small high-tech firms are likely to have a strong link with banking institutions. The consequence of these links is that most of the firm's capital supply is from banks, and that there are strong ownership links between banks and industry. The background of the founder does seem to have had an effect on the problem of financing and ownership issues. It is private sector organizations (banks) and families that are most frequently consulted by small high-tech firms (However, low means). It is also the private and public sector organizations, in connection with external board membership, regional development agencies and banks that are most frequently consulted. In the future, it is reasonable to search for factor patterns that can begin to explain and predict the direction of corporate governance in small new technology-based firms.
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