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Verhagen, R.S. (author), Neerincx, M.A. (author), Parlar, C. (author), Vogel, M. (author), Tielman, M.L. (author)
For human-agent teams to be successful, agent explanations are crucial. These explanations should ideally be personalized by adapting them to intended human users. So far, little work has been conducted on personalized agent explanations during human-agent teamwork. Therefore, an online experiment (n = 60) was conducted to compare personalized...
conference paper 2023
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Newcamp, Jeffrey M. (author), Verhagen, W.J.C. (author), Curran, R. (author)
Aircraft fleet managers lack tools to aid decision-making for fleets nearing retirement, which leads to rushed and ill-informed decisions. Accordingly, aging aircraft fleets are underutilized and fleets can be retired before their useful lifetime has been expended. A decision support framework is proposed to solve the aging military aircraft...
conference paper 2022
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Tseremoglou, I. (author), Bieber, M.T. (author), Verhagen, W.J.C. (author), Santos, Bruno F. (author), Freeman, F.C. (author), van Kessel, P.J. (author)
One of the challenges of Condition-Based Maintenance (CBM) is to combine health monitoring and predictions with efficient scheduling tools. However, the majority of literature is focusing on the assessment of prognostics algorithms performance. In fact, the added value of these algorithms can only be assessed when considering their impact on...
conference paper 2022
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Bieber, M.T. (author), Verhagen, W.J.C. (author), Santos, Bruno F. (author)
Metrics play an important part in the development and application of prognostic methodologies as they provide the capability to characterize and assess the quality of remaining useful life predictions. Although there is a wide range of both, prognostic metrics and prognostic methodologies available, the choice of those often is a demanding and...
conference paper 2022
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Verhagen, J. (author), Xiong, Xiaobin (author), Ames, A. D. (author), Seth, A. (author)
Humans are able to negotiate downstep behaviors-both planned and unplanned-with remarkable agility and ease. The goal of this paper is to systematically study the translation of this human behavior to bipedal walking robots, even if the morphology is inherently different. Concretely, we begin with human data wherein planned and unplanned...
conference paper 2022
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Barczyk, R.T. (author), Parappurath, N. (author), Arora, S. (author), Bauer, T.A. (author), Kuipers, L. (author), Verhagen, E. (author)
We study the signatures of topological light confinement in the leakage radiation of two-dimensional topological photonic crystal cavities that feature the quantum spin Hall effect at telecom wavelengths. The mode profiles in real and momentum space are retrieved using far field imaging and Fourier spectropolarimetry. We examine the scaling...
conference paper 2022
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Bieber, M.T. (author), Verhagen, W.J.C. (author), Santos, Bruno F. (author)
Prognostics for condition-based maintenance does not only consist of prognostic algorithms but also involves steps such as data pre-processing, feature extraction, and feature selection, all of which contribute to the quality of the remaining useful life estimation. This process requires a lot of expertise and technical knowledge, which for many...
conference paper 2021
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Bieber, M.T. (author), Verhagen, W.J.C. (author), Santos, Bruno F. (author)
During flights aircraft continuously collect data regarding operations, health status and system condition. Data-driven approaches typically applied to system specific sensor data provide a way to predict failures of aircraft systems. However, it is believed that some systems deteriorate faster when subjected to particular environmental...
conference paper 2021
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Verhagen, R.S. (author), Neerincx, M.A. (author), Tielman, M.L. (author)
Because of recent and rapid developments in Artificial Intelligence (AI), humans and AI-systems increasingly work together in human-agent teams. However, in order to effectively leverage the capabilities of both, AI-systems need to be understandable to their human teammates. The branch of eXplainable AI (XAI) aspires to make AI-systems more...
conference paper 2021
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Li, R. (author), Verhagen, W.J.C. (author), Curran, R. (author)
Remaining useful life (RUL) prediction is crucial for the implementation of Prognostics and Health Management (PHM) systems, enabling application of predictive maintenance strategies for critical systems (e.g. in aviation, power, railway). Existing literature addresses aspects of data-driven prognostic approaches, with a predominant focus on...
conference paper 2019
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Koornneef, H. (author), Verhagen, W.J.C. (author), Curran, R. (author)
Delays are costly to airlines in both money and image. A significant number of delays is caused by unexpected technical failures of aircraft systems or components. These failures, if not dealt with efficiently, can cause disruptions in the flight schedule and network. The annual costs of these type of disruptions add up to an estimated cost...
conference paper 2019
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Wognum, Nel (author), Bil, Cees (author), Elghc, Fredrik (author), Peruzzini, Margherita (author), Stjepandic, Josip (author), Verhagen, W.J.C. (author)
Transdisciplinary research (TDR) has been the subject of discourse in the past few decades, but has bot been studied much in the context of engineering problems. Many engineering problems can be characterized as ill-defined, like open innovation, adoption of new technology, business development, and the adoption of the Industry 4.0 concept....
conference paper 2018
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Narayanan, Prasobh (author), Verhagen, W.J.C. (author), Dhanisetty, V.S.V. (author)
Airline Maintenance and Engineering (M&E) organizations face accidental damages on their fleet of aircraft as part of daily practice. As this type of damage is stochastic in nature, the approach towards repairing accidental damage is reactive in practice. However, it is possible to predict future long-term (strategic) demand for maintenance...
conference paper 2018
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Li, R. (author), Verhagen, W.J.C. (author), Curran, R. (author)
Prognostic and Health Management (PHM) describes a set of capabilities that enable effective and efficient approaches towards data analysis for fault diagnostics and failure prognostics. This can support decision making related to health management, sustainment and operation of critical systems, such as aviation systems. As a result of the...
conference paper 2018
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Callewaert, Pieter (author), Verhagen, W.J.C. (author), Curran, R. (author)
A decision support framework is proposed, allowing for the integration of aircraft maintenance work progress monitoring into the aircraft maintenance planning decision support process. The framework is able to monitor the progression of planned maintenance by analysing real-time data on work progress. This can be used to explore optimal task...
conference paper 2018
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Laks, P. (author), Verhagen, W.J.C. (author)
This research proposes a decision support tool which identifies cost-optimal maintenance decisions for a given planning period. Simultaneously, the reliability state of the component is kept at or below a given reliability threshold: a failure limit policy applies. The tool is developed to support repair-or-replacement decision making for...
conference paper 2018
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Alpeggiani, F. (author), Parappurath, N. (author), Verhagen, Ewold (author), Kuipers, L. (author)
The scattering matrix is a fundamental tool to quantitatively describe the properties of resonant systems. In particular, it enables the understanding of many photonic devices of current interest, such as photonic metasurfaces and nanostructured optical scatterers. In this contribution, we show that the scattering matrix of a photonic system...
conference paper 2017
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Parappurath, N. (author), Alpeggiani, F. (author), Kuipers, L. (author), Verhagen, E. (author)
We develop a theoretical formalism which explains asymmetric transmission (AT) in chiral resonators from their eigenmodes. We derive a fundamental limit for AT and propose the design of a chiral photonic crystal offering 84% AT.
conference paper 2017
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Newcamp, Jeffrey (author), Verhagen, W.J.C. (author), Curran, R. (author)
Individual aircraft tracking data can be used by aircraft fleet managers to detect patterns in historical usage as a means to aid aging aircraft decision-making. This work tackles two aspects of applying these tracking data: investigating retirement patterns and assessing how base assignment can impact usage. The A-10, C-17 and F-35 acquisition...
conference paper 2017
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Guillaume Carpentier, G. (author), Piero Silva, P. (author), Allsop, W (author), Mouazé, D. (author), Verhagen, H.J. (author), Gautier-Chevreux, L. (author), Bagieu, M. (author)
This paper describes a unique design project devised to teach and apply technical skills in port design, but also in the practical cooperation between students in a realistic design project. The 4-week long project now involves students of up to 19 nationalities from 7-10 universities, and has been based each year on real design projects....
conference paper 2017
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