Dominik Werner Wolf Email & Phone Number

Ingolstadt, By, De

Wolfsburg, Niedersachsen, Deutschland

Optometrological characterization of the vehicle glazing key performance indicators influencing the performance of AI-based algorithms for autonomous driving.

Safe AI

Geneva, Switzerland

Local beating corrections with orbit bumps in the LHCMy Master thesis was focused on local beating corrections with orbit bumps in the Large Hadron Collider (LHC). This correction strategy will support the High-Luminosity upgrade of the LHC in 2027 by minimizing the beating contribution of magnetic field imperfections. As a basic principle, lattice imperfections will perturb the beam motion and the distortion oscillates around the ring. This phenomenon is generally called beating and limits the performance of a circular accelerator. In order to increase the Luminosity, the beta function at the interaction point (IP) has to be reduced to a minimum. This is realised by the achromatic telescopic squeezing scheme (ATS-optics) for the High-Luminosity LHC. The disadvantage of a small beta function at the IP is a very large beta function in the triplets. Hence, any error of the magnets in the triplet causes a significant beating of the optics functions and perturbs the beta function at the IP as well. Fortunately, the triplets are powered individually, wherefore the field strengths can be adjusted separately. After applying corrections based on measurements, the distortions within the lattice are equalized as much as possible by varying the knobs. Unfortunately, the special optics configuration of the ATS sequence also enlarges the beta function in the arcs, where the quadrupoles are powered in series. A possible correction strategy for the arcs is to use feed-downs from sextupoles by applying orbit bumps to the beam. The results of my Master thesis rejected the hypothesized degeneracy problem of the orbit bumps and validated the correction method. In addition, the measurement principle for the lattice functions was tested at the ELENA synchrotron at CERN.

Oxford, United Kingdom

Development of a test bench for the Mu3e pixel detectorThe OPMD lab of the University of Oxford offered me a unique opportunity to participate in the Mu3e collaboration. The Mu3e experiment is looking for the charged lepton flavor violation of muons and the experiment will be hosted at PSI in Switzerland. The task of the OPMD lab within the collaboration is to build the silicon-pixel modules of a low-mass detector. My research contribution focused on improving the placing accuracy of the pixel chips with the gantry. For this purpose, I developed a correction strategy for systematical uncertainties by applying iterative learning control and using innovative concepts. Furthermore, I was involved in the development of a testing procedure for the Mupix chips to validate the functionality of the detector.

Geneva, Switzerland

Analysis of tune modulations in the LHCFor my Bachelor thesis I analyzed tune modulations in the LHC. In detail, I characterized the natural tune jitter of the LHC depending on the electromagnetic optics configuration. For this purpose, I developed a new analysis procedure. In a nutshell, single natural tune measurements were used to perform multivariate profile likelihood analyses. The resulting expectation values for the parameters were used as the input of a toy Monte-Carlo study, which utilizes a modified bootstrapping sampling method. As a result, a probability density distribution (pdf) of the RMS-jitter of the LHC is obtained. Hence, the expectation value of the RMS-jitter, as well as the corresponding uncertainty, can be extracted from the pdf. The results of the thesis supported the decision process for selecting a suitable measuring scheme in the high-luminosity LHC.

Kirchzarten, Germany

During my vocational training at the primary laboratory of the Testo industrial services GmbH, I learned the principles of metrology. The primary laboratory is responsible for calibrating the working standards of the company. The reference devices are traced back to the standards of the Physical-Technical Bundesanstalt (PTB). Physics and mathematics are the foundations of science. Hence, physical laboratory technicians need a broad knowledge of those subjects in order to be able to develop new measurement processes. Various measurement techniques are taught in several physical and chemical lab courses and the students learn different crafts, like soldering, milling and threading.

Dr. Rer. Nat., Machine Vision Metrology

Optometrological characterization of the vehicle glazing key performance indicators influencing the performance of AI-based algorithms.

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Abitur, 1.3