Impact Assessment of Rail Switch Location Design on Railway Network Resilience

In the upcoming years more train passengers are expected and with more trains on the tracks railway systems require greater resilience. Switches can play a major role during disruptions as they enable trains to be rerouted onto other tracks, allowing them to bypass the disruption but switches also facilitate overtaking, meet-pass operations at...

Improved Flexible Runway Use Modeling: A Multi-Objective Optimization Concerning Pairwise RECAT-EU Separation Minima, Reduced Noise Annoyance and Fuel Consumption at London Heathrow

A minimization of disturbance caused by aircraft noise events and a reduction of fuel consumption during the initial and final phase of flight. These are the two objectives that play an important role in the Flexible Runway Allocation Model. By taking into account fuel consumption alongside noise annoyance, this model enables to analyze and...

Process improvement to shorten the lead-time for the ACD division in the distribution center of L’Oreal located in Alphen aan den Rijn

The thesis is about process improvements in L’Oréal’s distribution center. A framework is developed based on the DMAIC approach, process improvement methodologies and solution evaluation methodologies. The current process is discussed and with the Lean Six Sigma philosophy measures of improvement are developed. The requirements for the...

Empirical analysis of Service Locations at NedTrain: A closer look at the stabling and handling capacity

NedTrain, the train maintenance subsidiary of NS, has 33 Service Locations across the Netherlands. At those locations, trains are checked, repaired, washed, cleaned and stabled around the clock. Due to a higher demand for service in the upcoming years, as a result of the purchase of many new trains, the capacity of those locations is not...

Tailored SID & Profile Allocation for Amsterdam Airport Schiphol

Currently, only one Standard Instrument Departure (SID) track and one flight procedure is used per runway departure fix combination. In contrast to tailored arrivals, the potential benefit of tailored departures has been left relatively undiscovered. The research objective is to quantify the potential benefit of tailored SID-s and profile...

Slumify: Qualify Informal Urban Densification

It is important to reconfigure the way of thinking about urban slums. Instead of being considered a major urban problem in third world countries, one needs to realise their essential role in the continual functioning and growth of the nation’s economy. This thesis, through research and design aims at qualifying slum environments and...

Flexible Arrival & Departure Runway Allocation Using Mixed-Integer Linear Programming: A Schiphol Airport Case Study

Runway capacity of a complex runways system can be limited by several factors. Currently, the runway usage at Amsterdam Airport Schiphol (AAS) is described by a preference list established by multiple stakeholders. It makes an important trade-off between minimizing noise exposure to the environment and maximizing capacity. The existing model...

Signalized Turbo Roundabouts: A Study into the Applicability of Traffic Signals on Turbo Roundabouts

Since the 1980s, the modern single-lane roundabout has been applied in the Dutch road network. The roundabout offered major safety benefits compared to the conventional signalized intersection, however, it also required more space. Influenced by society’s growing mobility, the capacity requirements to intersections increased. This quest for...

Realised capacity estimation with use of vertical queuing method: Improving the method of estimating the overall effect of traffic measures on the vehicle delay time at the Dutch national freeway network

The topic at which this thesis is based on is the effect of traffic measures at the vehicle delay time, VDT. The research focused towards the capacity effect of traffic measures. The effectiveness of traffic management measures is determined by their effect on the VDT. However, the development of the VDT is not singular influenced by the...

Port of Rotterdam Anchorages Study: An occupancy evaluation using simulation

In this thesis the current anchoring situation, especially in terms of occupancy and space use within anchorages, in the anchorages in the offshore approach of the port of Rotterdam in assessed by means of data analysis of historical data. Using this data analysis as input a stochastic simulation model is constructed in MATLAB to assess...

Robustness Analysis and Capacity Management of the KPN (PS) Mobile Core Network

This thesis has two main topics. On the one hand it discusses how the robustness of a network can be increased as efficient as possible, where connectivity is treated as a robustness measure. On the other hand It treats capacity management of a network when it is still in its design phase. In particular, it shows how bandwidth management can be...

Capaciteitsbepaling van het kanaal Gent-Terneuzen

De maritieme toegang tot de havens van Gent en Temeuzen wordt gevorrnd door de Westerschelde, het sluizencomplex bij Temeuzen en het kanaal Gent-Temeuzen. De capaciteitsbepaling is in deze studie beperkt tot het kanaal Gent-Temeuzen om reden van beschikbaarheid van kennis. De capaciteit van het kanaal wordt bepaald aan de hand van wachttijden,...