document

Cross-border Arrival Management to reduce Traffic Bunching at Schiphol Airport

Van Horssen, M. (author)

master thesis 2017

document

3D Solution Space-based Prediction of Air Traffic Control Workload

Somers, V.L.J. (author)

Air Traffic Control (ATC) workload is the main limiting factor for air traffic growth. Although predicting workload is important, a proper objective ATC workload metric is still not available. Previous research has shown that using the solution space diagram as a workload prediction metric is promising. This metric is based on the concept that...

master thesis 2017

document

Physical Splines for Aerodynamic Modelling of Innovative Control Effectors

van der Peijl, I.V. (author)

Multivariate simplex B-splines as a modelling technique provide more accurate models than standard polynomial models, which makes them an excellent modelling tool. Their coefficients, which are expressed in a barycentric coordinate system, are abstract. In this paper a physical transformation matrix is derived which can be applied to transform B...

master thesis 2017

document

Safe Hierarchical Reinforcement Learning: Hierarchical Reinforcement Learning with Safe Space Exploration

Verbist, S. (author)

Reinforcement Learning is a much researched topic for autonomous machine behavior and is often applied to navigation problems. In order to deal with growing environments and larger state/action spaces, Hierarchical Reinforcement Learning has been introduced. Unfortunately learning from experience, which is central to Reinforcement Learning,...

master thesis 2017

document

Simulator motion cueing error detection using a wavelet-based algorithm

van Leeuwen, T.D. (author)

Understanding the process of human motion perception is essential for optimizing the motion cueing algorithms (MCAs) used by motion simulators. Previous research has shown that different motion cueing error types can be distinguished, at least some of which are rated differently by humans for equal error magnitude. Optimizing a motion simulation...

master thesis 2017

document

Four-Dimensional Trajectory Planning in Air Traffic Management: Feasibility of a Heuristic Branching Method

Rein-Weston, D.F. (author)

A shift from the current Air Traffic Management (ATM) operational scheme to Trajectory-Based Operations (TBO) is imminent in both the United States and in Europe. An enabling technology is the four-dimensional trajectory (4DT) planner, which is the focus of this research. The aim is to consider the feasibility of a heuristic branching method for...

master thesis 2017

document

Towards Understanding Human Adaptation: Time-Varying Parameter Estimation Utilizing the Unscented Kalman Filter

Rojer, J. (author)

Human controllers are an essential part of human-machine systems, because of their capability to adapt. However, current manual control cybernetics theory falls short in describing the adapting human controller. In this study the time-invariant human operator models are made parameter varying over time to describe human adaptation. A steady...

master thesis 2017

document

Separating Haptic Feedback and Support Signals: a Solution for Human-Machine Cooperation?

Wyzen, P.L.M.J. (author)

master thesis 2017

document

Cooperative 4D-Trajectory Management for Future Air Traffic Control

Nagaraj, R. (author)

master thesis 2016

document

Vertical Landing for Micro Air Vehicles using Event-Based Optical Flow

Pijnacker Hordijk, B.J. (author)

Small flying robots can perform landing maneuvers using bio-inspired optical flow by maintaining a constant divergence. However, optical flow is typically estimated from frame sequences recorded by standard miniature cameras. This requires processing full images on-board, limiting the update rate of divergence measurements, thus the speed of the...

master thesis 2016

document

Effects of Helicopter Degree of Freedom and Motion Cues On Allowable Error Envelopes

Li, M. (author)

master thesis 2016

document

Strategic Conformal Automation for Air Traffic Control: A Machine Learning Approach

Regtuit, R.M. (author)

Acceptance of automation has been a bottleneck for successful introduction of automation in Air Traffic Control. Strategic conformal automation has been proven to increase automation acceptance, by creating a better match between automation and operator decision-making. In this paper strategic conformal automation for Air Traffic Control is...

master thesis 2016

document

The influence of a bottom camera in indoor ground-segmentation based obstacle avoiding performance for MAVs

Kuijpers, M.W.M. (author)

master thesis 2016

document

Actuator Saturation Handling using Weighted Optimal Control Allocation Applied to an INDI Controlled Quadcopter

Höppener, D.C. (author)

Incremental Nonlinear Dynamic Inversion provides a high performance attitude controller for multi-rotor Micro Aerial Vehicles by providing very good disturbance rejection capabilities. Flights conducted with a quadcopter revealed undesired pitch and rolling motions which occurred simultaneously with actuator saturation for instantaneous yaw...

master thesis 2016

document

Attitude control- and stabilisation moment generation of the DelFly using Wing Tension Modulation

Janssen, R.M.J. (author)

master thesis 2016

document

Incremental Nonlinear Dynamic Inversion Flight Control: Stability and Robustness Analysis and Improvements

van 't Veld, R.C. (author)

Incremental Nonlinear Dynamic Inversion (INDI) is a variation on Nonlinear Dynamic Inversion (NDI) retaining the high-performance advantages of NDI, while increasing controller robustness to model uncertainties and decreasing the dependency on the vehicle model. After a successful flight test with a multirotor Micro Aerial Vehicle (MAV), the...

master thesis 2016

document

Radar-based landing system for uncontrolled flights: Modifying a collision avoidance radar for synthetic aperture imaging

Baardman, L. (author)

master thesis 2016

document

Effect of Pop-Up Flights on Extended Arrival Manager

Vanwelsenaere, A. (author)

master thesis 2016

document

Autonomous navigation using feature based hierarchical reinforcement learning

Unni, S. (author)

The ease of availability of low cost aerial platforms has given rise to extensive research in the field of autonomous navigation. There are strong indications in existing research that UAV autonomy leads to significant gains in terms of safety as well as performance in a number of scenarios, including but not limited to search and rescue...

master thesis 2016

document

Effect of ADS-B limitations and inaccuracies on CDR performance

Langejan, T.P. (author)

master thesis 2016