Searched for: subject:"accuracy"
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Weerheim, Ruben (author)
Route planning is an important part for companies that transport goods between different locations. To optimize the route planning, it is important that the travel time predictions come close to reality. A too tight schedule would lead to pressure to the driver, late fees and reputation damage, but a too loose schedule would result in wasted...
master thesis 2019
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Xenakis, Dimitris (author)
The performance of an Indoor Positioning System is highly related to the placement of the transmitting nodes that are used as references for the positioning estimations. Within this graduation project, we propose a methodology that can be used to optimize such a deployment and thus, increase the performance of an Indoor Positioning System that a...
master thesis 2019
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Lambers, Jorrinde (author)
Current upper-limb prostheses are often rejected as a result of high activation forces that are needed for control. Another reason for rejection is the absence of appropriate proprioceptive feedback. In this study, a pneumatic control system was designed that decreased the activation forces and where proprioceptive feedback was provided. The...
master thesis 2019
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Wang, Yuxiang (author)
This is a 5-month master graduation project in collaboration with Praxa Sense to design the next generation Atrial Fibrillation diagnosis device. A long-term (more than one month) continuous, off-hospital diagnosis device is designed with the focus on user experience and diagnosis accuracy. There are several phases in this project including...
master thesis 2019
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Danks, Brigitte (author)
The aim of this thesis was to objectively and quantitatively assess the accuracy and robustness of two-dimensional sequentially linear analysis (SLA) in comparison to nonlinear finite element analysis (NLFEA), for a range of experiments of reinforced concrete structures with proportional and non-proportional loading schemes. Non-proportional...
master thesis 2019
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Xu, Yixin (author)
The world’s continuously increasing population leads to environmental challenges, among which, the urban heat island effect has been recognized as one of the leading environmental issues recently. Using traditional weather station (usually one or two within one city and placed in rural area) to monitor and model the canopy layer urban heat...
master thesis 2019
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van der Horst, Joren (author)
At this moment, industrial robot arms are increasingly used to automate manufacturing processes in the aerospace industry. However, these robot arms lack position accuracy to effectively mill parts or assemble products. In this work, this gap is investigated following two approaches; on one hand existing calibration methods of robot arms are...
master thesis 2019
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Christodoulou, Antria (author)
In this thesis, an image-based method is proposed for solving the relative translation errors of 3D point clouds collected by Mobile Laser Scanning (MLS) techniques. The process of matching 3D point clouds is known as registration. Due to environment-depending limitations of the positioning component of MLS systems, when recording a certain...
master thesis 2018
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van Dam, Laurens (author)
The demand for higher precision arithmetic is increasing due to the rapid development of new computing paradigms. The novel posit number representation system, as introduced by John L. Gustafson, claims to be able to provide more accurate answers to mathematical problems with equal or less number of bits compared to the well-established IEEE 754...
master thesis 2018
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Huijzer, Leonard (author)
The Wanda software package developed by Deltares can used for simulating both steady state and transient fluid flow in pipeline systems. Steady state simulations are used for initial system design and transient flow simulations are used for doing water hammer analysis in pipeline systems. For both types of simulations a system consisting of both...
master thesis 2018
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Corvers, Matthew (author)
In this thesis, the development of a deployment mechanism for a primary mirror of a space telescope is discussed. A mistake has been found in the earlier work on the design of this subsystem, due to which the design is set back to a concept selection phase. A trade-off has been made between several concepts. A simplified thermal model that...
master thesis 2018
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Shah, Yash (author)
Laser diagnostic techniques such as Particle Image Velocimetry and Particle Tracking Velocimetry to measure the flow of a fluid around an object have been in prevalence for a few decades. Typically, the fluid, whose motion is of interest, is seeded with micron scale particles and illuminated with a laser. Due to scattering inefficiencies of...
master thesis 2017
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Haagmans, Gaston (author)
Since GPS tends to fail for indoor positioning purposes, alternative methods like indoor positioning systems (IPS) based on Bluetooth low energy (BLE) are developing rapidly. Generally, IPS are deployed in environments covered with obstacles such as furniture, (partition-) walls, people and electronics influencing the signal propagation. The...
master thesis 2017
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Macarulla Rodriguez, Andrea (author)
Google Location History Timeline could be used in the future to track mobile devices of users with a Google account. The Department of Forensic Digital Technology in the Netherlands Forensic Institute might consider using it as available data for evidence in its investigations. A part of this research is to assess the accuracy of the locations...
master thesis 2017
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Hulsebos, M. (author)
With electron beam lithography, a cutting edge technology has been developed that might introduce new possibilities in the design of chips. The word "might" has been used here because e-beam lithography is not yet available for the mass production market. One of the bottlenecks in the development of e-beam lithography is the positioning...
master thesis 2017
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Zhang, X. (author)
Driven by the rise of market demand and development of technology, high-precision motion systems must meet the increasing accuracy requirement. Currently, High-precision positioning stage is widely used in many different application areas, such as hard disk drives, wafer steppers and electron and atomic force microscopes for nano-scale imaging....
master thesis 2016
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Kuitert, R. (author)
This Master thesis investigates the feasibility of single point incremental forming as a method to die-less preform double curved aluminum sheets used in GLARE laminates. A small scale experimental setup was used to see if this method could achieve the required speed and accuracy. The results of these experiments were translated to a large scale...
master thesis 2016
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Makris, K. (author)
The most known problem of separate sewer systems is the existence of illicit connections and, hence, the deposition of untreated sewage to the receiving waters or the occurrence of urban flooding due to overloading of wastewater systems with storm water. Although there are several known and relative expensive techniques for inspection of storm...
master thesis 2016
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Tenthof van Noorden, C. (author)
The coastal bathymetry is one of the most essential inputs for understanding, monitoring and modelling the coastal environment. A remote sensing technique called marine radar may overcome disadvantages of present monitoring techniques and has the advantage to obtain measurements with a high spatial and temporal resolution. A Fast Fourier...
master thesis 2015
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Sebek, P. (author)
Delmic's SECOM platform integrates an optical microscope in a scanning electron microscope. A flexure based scan stage has been designed and produced to be used in the next generation of the SECOM platform. However, the reaction forces of the scan stage produce vibrations in the platform. These vibrations negatively affect the position accuracy...
master thesis 2015
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