Christian Steger

Preventing Collisions with Critical Port Infrastructure

Jan Mentjes, Zhao Liangbin, Christian Steger, Ke Wang et autres

Abstract Port areas present significant challenges for the current shipping industry and in future for autonomous vessels. Accident and near-miss rates are high due to confined spaces and difficult environmental conditions. This leads accidents and to inoperability and loss of critical infrastructure. …

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Integration of RFID in Battery Management Systems: A Cybersecurity Risk Assessment

Abhishek Kumar, Dino Hrvanovic, Joaquim M. Castella Triginer, Nadja Marko et autres

The automotive industry is undergoing a massive transformation, moving towards electrification, software-defined vehicles (SDVs) and vehicle connectivity. These new challenges indirectly impact transformation in cybersecurity, where the increase in remote access enables the risks of attacks, data leaks and system manipulation. These …

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Exploring the Design Space and Research Directions for Digital Product Passport Systems

Stefan Kaser, Christian Lesjak, Rainer Matischek, Christian Steger

In this paper, we identify three major technical dimensions of a Digital Product Passport (DPP) system: data carrier, online storage for product information, and updating dynamic data. For each dimension, we first explore the design space in terms of architectural options and …

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Automatic Identification of Static Harbor Objects Based on Camera Images from a Highly Autonomous Dredger Ship

Timo Siering, Matthias Steidel, Christian Steger

Possible collisions with port infrastructure are a big challenge in the automation of commercial shipping. The first step to avoiding these collisions is identifying static port infrastructure. To minimize the risk of collisions of automated vessels with port infrastructure, this study aims …

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Accurate Cyclic Synchronization on Bandwidth-Limited Data Links for Hard Paralleling of Power Electronic Converters

Vishal Chani, Patrick Lampl, Roberto Petrella, Sai Shankar Guduguntla et autres

Modularized power electronics systems, designed to flexibly scale power and voltage ranges by parallelizing and/or stacking of multiple units, represent a fundamental research and industrial field. Hard parallelization of multiple power modules normally requires tight synchronization of the PWM signals, especially for …

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The DESIRE methodology for Early Pre-Verification of Digital System Architectures via Estimation and Back-Annotation

Christian Seifert, Christian Steger, Tiberio Fanti

In modern system design, substantial engineering effort is invested in architectural solutions that later prove suboptimal, when not even impractical. This is often the case because the modelling abstraction level adopted during the concept evolution of a system doesn’t allow for capturing …

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Towards MASS-Ready Ports: Mitigating Blind Spots with Local Sensor Systems (LSS)

Christian Steger, Marvin Bathmann, Matthias Steidel, Axel Hahn

Abstract The increasing adoption of Maritime Autonomous Surface Ships (MASS) poses significant challenges to the safe operation of maritime infrastructure. As most maritime accidents occur in port and coastal areas, there is a pressing need to address the limitations of MASS navigation …

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SeaSentry: Maritime Real-Time Positioning in a Passive Radar-Detector Network

Taruna Tiwari, Shuo Li, Christopher Funk, Benjamin Noack et autres

Maritime transport and vessel monitoring rely on multiple systems for positioning, such as the Automatic Identification System, electro-optical systems, and shore-based radar systems, to improve safety and efficiency in vessel tracking. However, each system has inherent limitations, including coverage gaps, reliance on …

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Configuration Optimization of ICON-CLM 12km over Europe and 3km over Germany using a Linear Meta MOdel (LiMMo): Parameter sensitivity, uncertainty and its relevance

Andreas Will, Susanne Brienen, M. Karadan, D. Lawand et autres

Next-Generation Battery Management Systems: Integrating RFID for Battery Passport Applications

Florian Scherr, Fikret Basic, Patrick Eder, Christian Steger et autres

With the rapid growth of electric vehicle (EV) production, efficient battery life cycle management has become increasingly critical, especially as the demand for second-life battery applications is mandated considering environmental aspects. The European Union's introduction of battery passports, aimed at enhancing battery …

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PAKA: Pseudonymous Authenticated Key Agreement without bilinear cryptography

Raphael Schermann, Simone Bussa, Rainer Urian, Ronald Toegl et autres

Anonymity and pseudonymity are important concepts in the domain of the Internet of Things. The existing privacy-preserving key agreement schemes are only concerned with maintaining the privacy of the communicated data that appears on the channel established between two honest entities. However, …

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Utilizing 1D FMCW Radar Data for Distance Estimation to Port Infrastructure

Mirjam Bogner, Fynn Pieper, Christian Steger, Matthias Steidel et autres

Assistance systems play an important role in the proceeding transition of surface vessels towards highly automated operations. Particularly when navigating through congested areas like harbors, exact knowledge of distances to nearby obstacles is essential for collision avoidance. This paper applies a combined …

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