Design in principle for flexible fully assembled wind turbine installation: Offshore installation of wind turbines

Wind turbine industry is growing and future predictions are promising. However, a shortage of installation vessels could influence this growth in offshore wind industry. Commonly, wind turbines are installed in components using a jack-up vessel. Occasionally, wind turbines are installed fully assembled. The center of gravity of a fully assembled...

User-Based Rebalancing by Dynamic Pricing in Free-Floating Vehicle Sharing: A Case Study with Multiple Living Labs

Dynamic pricing can be used for better fleet distribution in free-floating vehicle sharing (FFVS), and thus increase utilization and revenue for the provider by reducing the supply-demand asymmetry. Supply-demand asymmetry refers to the existence of an undersupply of vehicles at some locations at the same time as underutilization of vehicles at...

Minimising transportation and installation operation cost and time for offshore wind turbine farms with the use of the wind turbine shuttle

In recent years, a rapid development of the offshore wind power market has taken place. The growing demand for more offshore wind farms and the desire to make this technology more cost-effective has created many challenges for offshore contractors and their technology, particularly for turbine installation vessels. Currently, the...

Numerical simulations of a novel offshore floating solar system: A study on the simulation possibilities for an interconnected, multi-body floating system using a combined frequency-time domain approach

The development of renewable energy applications has become increasingly important in the past couple of years due to a growing global energy demand and increasing consciousness of global warming. A recent development in renewable energy is the application of offshore floating solar systems. A prototype design for this application, as developed...

Process Design of the Logistic Process in Fulfilment Centres from an Automation and Operational Perspective

This paper describes the research regarding the process design of the logistic process in fulfilment centres from an automation perspective in order to improve the operation performance. The objective is to provide a new design of the logistic process with substantiated decision in each phase of the process to enable a higher level of automation...

Machine learning in Maritime Technology: Energy storage size reduction using load forecasting for pipelaying vessels

During dynamic positioning operations, vessels typically run with an extra generator (spinning reserve) for redundancy purposes such that no single fault will cause the vessel to lose its position or heading. As a result, all other engines on the grid share the load equally to ensure that if a failure were to occur, the remaining healthy...

The development of a guideline on the selection of a charging and mooring mechanism for electric vessels: A case study for BC Ferries

Due to the global climate change there is a increasing demand for transportation on renewable fuels. An increasing trend in electric propulsion can already be seen in the automotive industry and this is now also gaining popularity in the maritime sector. Due to limited capacity if the onboard battery, especially electric ferries are becoming...

Offshore wind + Energy Storage: Selection and design of energy storage for the integration of offshore wind energy in the future Dutch electricity system

The Dutch government has set out to largely reach reductions in carbon emissions in the electricity sector with the utilization of offshore wind energy. Due to the intermittency of wind energy this poses new problems and challenges for the future electricity system in the Netherlands. The objective of this report is to identify the challenges...

Dynamic AGV routing depending on sensor-based collision avoidance: A case for the light metal and forging industry

AGVs have seen an upward trend in development over the last 60 years. The technology has developed from mechanical bumpers and guided wire navigation to contactless sensors and free navigation technique in the current age. Further, the control on AGVs has moved from central control system to local intelligence which opens up various...

Optimization of integrated production and distribution planning in supply chain of an online grocer

This research presents an Integrated Production and Distribution Scheduling (IPDS) optimization problem in which the total transportation costs for an online grocer have to be minimized. The production refers to the preparation of orders at the production facility and the distribution is related to the transportation from the production...

Improvement of road traffic sustainability by implementation of priority weights for trucks in predictive signalized intersection control

In the European Union Road freight transport volume is expected to grow 78% between 2000 and 2030, which results in more trucks on the road network. The worldwide estimated trend shows an increase of 150 million freight vehicles and an increase of 240 million passenger vehicles. The growth of both vehicle classes will have a major impact on the...

Large Floating Monopiles: Installation in Heavy Weather Conditions

The offshore wind market experiences large growth over the last decade. There is a clear trend to installation in deeper waters and to larger wind turbines, to maximize the energy output. The majority of offshore windmills use a monopile foundation, which due to the current trends are getting larger. Seaway Heavy Lifting (SHL) is a company that...

Design Exploration with Design Drivers: In the Sales phase at Feadship

When your dream yacht is being built at Feadship, the process starts with a blank page. This early stage is defined as the Sales phase. In consultation with a designer, the look and the feel of a yacht is easily captured. The expertise of the designer will lead to a yacht fitting the vision of the client. In the current process, the lines drawn...

Process improvement of Damen Shipyards Galati pre-processing: Merging two pre-processing facilities by implementing Lean Manufacturing

An improvement study to the pre-processing process of Damen Shipyards Galati (DSGa) is performed since benchmark analysis shows that the current pre-processing process underperforms, compared to industry peers. The objective is to increase DSGa’s throughput and decrease space utilisation, such that pre-processing facilities S1 and S1a can be...

Online-parameter-estimation of a PMSM in an EV-powertrain: including thermal measurements

This paper proposes an online motor-parameter-estimator for a PMSM in an EV-powertrain. The proposed method differs from the conventional approach by using thermal measurements to decouple the resistance estimation from the rest of the estimation. Conventional approaches use the voltage and current measurements to estimate all parameters at once...

National and Global Projection of the Economic Potential of Ocean Thermal Energy Conversion and Development of Implementation Scenarios

Ocean Thermal Energy Conversion (OTEC) is a renewable energy technology which could help tropical countries worldwide in their shift from conventional to sustainable energy systems. But despite a practicable global potential of 4.4 TW as well as benefits like continuous operation and wide-ranged scalability, OTEC's contribution to the energy...

The Yacht of 2030

Greenhouse gas emissions’ reduction goals of a 50% reduction by 2050 were established by the IMO. As a first step to achieve this reduction already by 2030 this project uncovers how much of the CO₂ emissions it is possible to reduce by combining the available state of the art technology. <br/>The reduction of CO₂ emissions...

Innovative power system event-detection and synchronous plant emulation technique for large wind power plant

The subject matter of this thesis report investigates a synthetic inertia and dynamic stability technique for grid inter-connection of large VSC-HVDC connected offshore windfarms. Assuming traditional load frequency control on the AC grid for the short-term reallocation of power generation resources due to load disturbances, this technique ties...