Theses
Available Topics
The following tasks provide a current cross section through our research activities. Experience shows that it is possible to adapt the given or a new task in a personal conversation to the individual interests and constraints.
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FEM Simulation of the EyeFor the determination of the intraocular pressure (IOP) of the human eye, a contactless self-tonometer with acoustic excitation is to be developed as part of a national research project. The exact measurement of IOP is particularly relevant in the diagnosis of... » more
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FEM simulations for 3D printingIn additive manufacturing processes, 3D printed parts exhibit high degree of design freedom and thus they have various temperature characteristics. For a constant component quality it is interesting to know the heat flows and temperature distributions at any time... » more
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Measurement of the refractive index fields of flamesThe investigation of reactive flow processes such as flame flows is a current research area in process engi-neering and energy research. To characterize the dy-namics of these processes, optical flow measurement techniques are used in which the refractive index... » more
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Speckle photography at the electrohydraulic incremental forming of micro-samplesIn recent years, BIMAQ has developed measurement methods for in-process deformation measurements based on speckle photography. It is possible to measure nanometer displacements with a lateral resolution in the micrometer range. » more
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Development of control strategies for selective laser melting processAdditive manufacturing processes that can produce components with a high degree of design freedom using 3D printing become more and more important in industry. Due to a large number of parameters and influencing factors, the process is exposed to variations which... » more
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Intelligent methods for fast control applicationsAdditive manufacturing processes offer the capability to can produce components with a high degree of freedom and become increasingly important in industry. Current systems are usually controlled with constant manipulating parameters and therefore they still have... » more
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Experimental setup of a demonstrator for a thermographic contact pattern analysis of gear pairsThe contact pattern of two gear wheels is an essential quality parameter for the production of gears and gear-boxes; in particular for large gears in the wind turbine sector. At BIMAQ, a method for the contact pattern analysis based on heat diffusion between two... » more
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Design and characterization of a test stand for flow measurementA current research question is the flow behavior of cooling lubricant during the supply in grinding processes. The particle image velocimetry (PIV) method is to be used. For this purpose, particles are fed to the coolant flow whose move-ments are measured by... » more
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Uncertainty analysis of refractive index distributions on tomographic PIV measurementsParticle Image Velocimetry is a standard optical measure-ment technique for the determination of flow velocity fields. Cameras are used to measure the particle movements as-sociated with the flow. The particle movement is used to re-construct the velocity field.... » more
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Development of a 3D path planning model for the laser-chemical manufacturing processThe laser jet process is used for the production of metallic micro cold forming tools within the scope of the Collaborative Research Center 747 "Micro cold forming - processes, characterization, optimization". » more
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Topography measurement of metallic microstructures using confocal fluorescence microscopyThree-dimensional surface mapping of metallic microcomponents is an important task for many applications. The challenges for suitable measurement methods are, besides structure sizes in the µm range, the high aspect ratios and steep edge angles of the measurement... » more
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Sensor development for the fast and dimensional surface acquisition of gearsHigh speed measurements and increase in flexibility are required in industrial measurement technology. The use of optical sensors and the combination of these with tactile sensor technology in multi-sensor systems for dimensional quality testing, represents an... » more
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In-process deformation measurements in metalworking manufacturing processesDeformation measurements based on speckle photography have been used for many years in special applications of production technology. In particular, the development of high-speed cameras with 4k resolution and the availability of ultra-short pulse lasers offer a... » more
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Realization of a self-calibrating setup for in-process deformation measurement based on speckle photographyMeasuring systems based on speckle photography can detect shifts down to the nanometer range, in particular with the aid of complex optical systems (for example microscope objectives). » more
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Analysis of the correlation and the sensitivity of process parameters of a thermoforming processAs part of the MoQua project funded by the BMWi, the quality of a thermoforming process is to be increased and thus the reject numbers are reduced. The organic sheets made from this process (Fig. 1) are used in the aerospace and automotive industry. In order to... » more
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Approximating higher-order geometric objects by root point iterationWithin the collaborative research center (CRC) 747 – Micro Cold-Forming dimensional and form deviations of tools and workpieces have to be determined. The measured surfaces are combinations of different geometric elements (see Fig. 1 a). Algorithms have been... » more
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Preliminary investigations on the development of a medical drill method with simultaneous determination of the length of the drill channelIn the surgery and orthopedics are under the Treatment of bone fractures, but also in the correction misalignments of the skeletal system, metal implants used for stabilization in the bone. Here come in many cases, the metal plates used, which with the Bone to be... » more
Completed Theses you will find » here.