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Mulder, Dies (author)
The mechanism presented in this paper generates a partially negative stiffness characteristic, which is suitable for the balancing of a pendulum in a gravity field. The mechanism uses deformation in the axial direction of the base joint to store potential energy. The proposed design is located next to the base joint of the pendulum in an area...
master thesis 2020
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Mulder, Mats (author)
Previous research on diversity in recommender systems define diversity as the opposite of similarity and propose methods that are based on topic diversity. Diversity in news media, however, is understood as multiperspectivity and scholars generally agree that fostering diversity is the key responsibility of the press in a democratic society....
master thesis 2020
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Mulder, Amber (author)
Semantic segmentation (or pixel-level classification) of remotely sensed imagery has shown to be useful for applications in fields as mapping of land cover, object detection, change detection and land-use analysis. Deep learning algorithms called convolutional neural networks (CNNs) have shown to outperform traditional computer vision and...
master thesis 2020
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Mulder, Doreen (author)
With the recent increase in computational power, deep learning is being applied in many different fields. Deep learning has produced promising results in the field of side-channel analysis. However, the algorithms used to construct deep neural networks remain black boxes, which makes it hard to fully employ the capabilities of attacks performed...
bachelor thesis 2020
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Mulder, Marieke (author)
The goal of this study was to investigate whether mobile C-arms are being optimally used, securing the safety of staff members in operating rooms of the Reinier de Graaf hospital (RDGG). Mobile C-arm use is evaluated in terms of radiation emission and radiation exposure, staff communication and procedural aspects. The current use of the mobile C...
master thesis 2020
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Hein, C.M. (author), Van de Laar, Paul (author), Jansen, Maurice (author), Luning, Sabine (author), Brandellero, Amanda (author), Azman, Lucija (author), Hinman, Sarah (author), Mulder, I.J. (author), Harteveld, M.G.A.D. (author)
Port cities are a particular type of territory and are often long-standing examples of resilience, bringing opportunities, wealth, and innovation to their nations and their citizens. They have developed at the crossroads of international trade and commerce and the intersection of sea and land. Flows of people through trade and migration have...
report 2020
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van der El, K. (author), Pool, D.M. (author), van Paassen, M.M. (author), Mulder, Max (author)
The 1960s crossover model is widely applied to quantitatively predict a human controller's (HC's) manual control behavior. Unfortunately, the theory captures only compensatory tracking behavior and, as such, a limited range of real-world manual control tasks. This article finalizes recent advances in manual control theory toward more general...
journal article 2020
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Landman, H.M. (author), Groen, Eric L. (author), van Paassen, M.M. (author), Bronkhorst, Adelbert W. (author), Mulder, Max (author)
Previous studies show that pilots sometimes make roll reversal errors (RREs) when responding to the aircraft bank angle shown on the attitude indicator (AI). This is suggestive of a perceptual ambiguity in the AI. In the current study, we investigated whether expectation contributes to such misperception. Twenty nonpilots performed tasks in a...
journal article 2020
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Scholten, Pepijn (author), van Paassen, M.M. (author), Mulder, Max (author)
A variable stability in-flight simulator has the capabilities to change the response of an aircraft in-flight, often without changing the physical properties of the aircraft. The ability to adjust the aircraft response characteristics and handling qualities has various purposes, such as pilot training, control logic development and handling...
conference paper 2020
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van Geel, Alexander (author), Borst, C. (author), van Paassen, M.M. (author), Mulder, Max (author)
Loss of control is the largest contributor to the yearly aviation death toll, with energy mismanagement in low-energy conditions as one of its main causal factors. This has led to a large emphasis from both scientific and aviation safety communities on the prevention of aircraft upset conditions. Changes in aircraft configuration largely impact...
conference paper 2020
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de Rooij, G. (author), Van Baelen, D. (author), Borst, C. (author), van Paassen, M.M. (author), Mulder, Max (author)
This paper describes the design and evaluation of a visual display in supplementing haptic feedback on the side stick as a way to communicate flight envelope boundaries to pilots. The design adds indications for the limits in airspeed, load factor, angle of attack and angle of bank to a standard Airbus primary flight display (PFD). The...
conference paper 2020
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Van Baelen, D. (author), Ellerbroek, J. (author), van Paassen, M.M. (author), Abbink, D.A. (author), Mulder, Max (author)
Modern aircraft use a variety of fly-by-wire control devices and combine these with a flight envelope protection system to limit pilot control inputs when approaching the aircraft limits. The current research project aims to increase pilot awareness of such a protection system through the use of force feedback on the control device, i.e.,...
conference paper 2020
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Friesen, D. (author), Pavel, M.D. (author), Borst, C. (author), Stroosma, O. (author), Masarati, Pierangelo (author), Mulder, Max (author)
This paper aims to reveal the effect of different display design principles in the helicopter domain. Two different obstacle avoidance support displays are evaluated during low-altitude, forward helicopter flight: a baseline Head-Up Display (HUD) is complemented either by a conventional advisory display, or a constraint-based display inspired by...
conference paper 2020
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Piessens, Tom (author), van Paassen, M.M. (author), Mulder, Max (author)
Teleoperation by definition means a deprivation of the teleoperator's senses, which can pose a handicap when operating, e.g., an UAV, in an unknown, perhaps even dynamic environment. Noticing moving obstacles in such a situation can prove to be quite difficult and the UAV runs the risk of colliding with them. Previous work designed a shared...
conference paper 2020
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Stevens, L.L. (author), Kopnina, Helen (author), Mulder, K.F. (author), de Vries, M.J. (author)
Preliminary empirical research conducted by the leading author has shown that design students using biological analogies, or models across different contexts, often misinterpreted these, intentionally or unintentionally, during design. By copying shape or form without integrating the main function of the mimicked biological model, students...
journal article 2020
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Mulder, J.T. (author), Kirkwood, N.R.M. (author), De Trizio, Luca (author), Li, C. (author), Bals, Sara (author), Manna, L. (author), Houtepen, A.J. (author)
Indium phosphide quantum dots (QDs) have drawn attention as alternatives to cadmium- and lead-based QDs that are currently used as phosphors in lamps and displays. The main drawbacks of InP QDs are, in general, a lower photoluminescence quantum yield (PLQY), a decreased color purity, and poor chemical stability. In this research, we attempted...
journal article 2020
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Kirkwood, Nicholas (author), De Backer, Annick (author), Longo, Alessandro (author), Geuchies, J.J. (author), Mulder, J.T. (author), Renaud, Nicolas (author), Bals, Sara (author), Manna, L. (author), Houtepen, A.J. (author)
Zinc is routinely employed in the synthesis of InP quantum dots (QDs) to improve the photoluminescence efficiency and carrier mobility of the resulting In(Zn)P alloy nanostructures. The exact location of Zn in the final structures and the mechanism by which it enhances the optoelectronic properties of the QDs are debated. We use synchrotron X...
journal article 2020
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Arush, I. (author), Pavel, M.D. (author), Mulder, Max (author)
The process of empirical models evaluation is at the core business of experimental flight-testing data analysis. Accurate and convenient flight-testing of helicopter engine(s) available power is crucial for predicting the total helicopter performance. Common practice in estimation of in-flight helicopter gas turbine engine power consists of a...
journal article 2020
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van Baelen, D. (author), Ellerbroek, J. (author), van Paassen, M.M. (author), Mulder, Max (author)
Several modern aircraft use a passive control manipulator: a spring–damper system that generates command signals to the flight control computers in combination with a flight envelope protection system that limits pilot inputs when approaching the aircraft limits. This research project aims to increase pilot awareness of this protection system...
journal article 2020
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Tsuda, Hiroka (author), Stroosma, O. (author), Mulder, Max (author)
A method to automatically identify pilot actions from cockpit camera footage was invented.Although they have long been considered for the enhancement of flight safety, cockpit image recorders have not yet been standard equipment in aircraft cockpits; however, the rules onFlight Data Recorder were changed to include a cockpit image recorder as...
conference paper 2020
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