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Full-Text Articles in Engineering

Applying Fram To Enhance Formal Safety Assessment In The Maritime Domain, Gesa Praetorius May 2015

Applying Fram To Enhance Formal Safety Assessment In The Maritime Domain, Gesa Praetorius

Gesa Praetorius

Presentation given at the Functional Resonance Analysis Method (FRAM) workshop in Olten, Switzerland, 12 June 2015.


Cyclades – Användarcentrerad Design Av Fartyg, Teknik Och Procedurer, Gesa Praetorius Dec 2014

Cyclades – Användarcentrerad Design Av Fartyg, Teknik Och Procedurer, Gesa Praetorius

Gesa Praetorius

Presentation given at the Swedish Work Environment Council annual meeting (SAN-konferens), 22 October 2015, Gothenburg, Sweden.


Vessel Traffic Service (Vts): A Maritime Information Service Or Traffic Control System? Understanding Everyday Performance And Resilience In A Socio-Technical System Under Change, Gesa Praetorius Aug 2014

Vessel Traffic Service (Vts): A Maritime Information Service Or Traffic Control System? Understanding Everyday Performance And Resilience In A Socio-Technical System Under Change, Gesa Praetorius

Gesa Praetorius

Vessel Traffic Service (VTS) is a shore-side maritime assistance service that supports bridge teams in their safe navigation of port approaches and other areas that present navigational difficulties. The VTS is implemented in national waters and provides vessels with information through transmissions and broadcasts on Very High Frequency (VHF) radio. With a continued growth in the number, size and cargo volumes of merchant vessels, the role of the VTS has recently become a matter of discussion, and it has been argued that changes, such as implementing an aviation-like control system, would be of an enormous benefit for stakeholders and guarantee …


Experimental Evaluation Of A Joint Cognitive System For 4d Trajectory Management, Rolf Klomp, Clark Borst, Max Mulder, Gesa Praetorius, Martijn Moij Nov 2013

Experimental Evaluation Of A Joint Cognitive System For 4d Trajectory Management, Rolf Klomp, Clark Borst, Max Mulder, Gesa Praetorius, Martijn Moij

Gesa Praetorius

Effective joint human-automation coordination is essential in order to support the central role of the human operator in foreseen future trajectory-based air traffic operations. The SESAR WP-E project C-SHARE aims to achieve this by taking a Cognitive Systems Engineering approach, based upon accomplishing joint human and automation cognition through a shared representation of 4D-trajectory management. In foregoing research, a work domain model and a joint human-machine interface has been developed to support the human operator in the task of en-route 4D trajectory re-planning. This paper presents the findings of two experiments that aimed to determine the effect of both the …


“Under Dangerous Conditions” – Safety Construction And Safety-Related Work Onboard Of Merchant Vessels, Gesa Praetorius, Monica Lundh May 2013

“Under Dangerous Conditions” – Safety Construction And Safety-Related Work Onboard Of Merchant Vessels, Gesa Praetorius, Monica Lundh

Gesa Praetorius

The following paper presents findings from a qualitative study conducted on board of two merchant vessels. Interviews and observations have been used to obtain insights in how safety is defined and promoted by the personnel working on board. The merchant vessel, the crew and the single mariner are identified to be part of a socio-technical system displaying three levels of system aggregation; person-centred, crew-centred, and vessel-centred. The common ground of a crew, an overlap of the individual mariners’ experience and knowledge, is identified as a basis for trust and predictability of action on board, which is a necessity to be …


Learning Lessons In Resilient Traffic Management: A Cross-Domain Study Of Vessel Traffic Service (Vts) And Air Traffic Control (Atc), Gesa Praetorius, Fulko Van Westrenen, Deborah Mitchell, Erik Hollnagel Dec 2011

Learning Lessons In Resilient Traffic Management: A Cross-Domain Study Of Vessel Traffic Service (Vts) And Air Traffic Control (Atc), Gesa Praetorius, Fulko Van Westrenen, Deborah Mitchell, Erik Hollnagel

Gesa Praetorius

Although younger than the maritime domain, aviation has had a huge impact on the system design and development within shipping. Stakeholders often look towards aviation to make shipping, and the way that traffic is handled and organised, safer, more efficient and more effective. Although legally not the same, Vessel Traffic Service (VTS) is frequently compared to Air Traffic Control (ATC). In this article the area of traffic management within the maritime and aviation domains is addressed from a Resilience Engineering perspective. Focus is placed on the arrival part of a mission. The comparison is based on information collected during two …


Safety Within The Vessel Traffic Service (Vts) Domain. Understanding The Role Of The Vts For Safety Within Maritime Traffic Management, Gesa Praetorius Dec 2011

Safety Within The Vessel Traffic Service (Vts) Domain. Understanding The Role Of The Vts For Safety Within Maritime Traffic Management, Gesa Praetorius

Gesa Praetorius

Vessel Traffic Service (VTS) is a shore-sided service implemented to promote the safety of navigation, safety of life at sea, and the protection of the marine environment. Its purpose is to work for safe and fluent traffic movements within a determined area, a VTS area. VTS is provided by VTS operators, skilled experts that provide vessels with information and advice, and work for the overall traffic organisation. Although VTS is regulated on an international level there are differences in how the service is provided in between countries, and even VTS centres. This licentiate thesis focuses on understanding the role of …