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Laboratory Experiments of Model-based Reinforcement Learning for Adaptive Optics Control
(2024)arXivDirect imaging of Earth-like exoplanets is one of the most prominent scientific drivers of the next generation of ground-based telescopes. Typically, Earth-like exoplanets are located at small angular separations from their host stars, making their detection difficult. Consequently, the adaptive optics (AO) system's control algorithm must be carefully designed to distinguish the exoplanet from the residual light produced by the host ...Working Paper -
Capacitance Size of Active Power Filter: Buck-Type vs. Split DC Link
(2024)In this working paper the size of the required capacitance of an active power decoupling / active power filter for a single phase rectifier is evaluated based on power flow considerations.Working Paper -
On the Kauffman bracket skein module of (S^1×S^2) # (S^1×S^2)
(2024)arXivDetermining the structure of the Kauffman bracket skein module of all $3$-manifolds over the ring of Laurent polynomials $\mathbb Z[A^{\pm 1}]$ is a big open problem in skein theory. Very little is known about the skein module of non-prime manifolds over this ring. In this paper, we compute the Kauffman bracket skein module of the $3$-manifold $(S^1 \times S^2) \ \# \ (S^1 \times S^2)$ over the ring $\mathbb Z[A^{\pm 1}]$. We do this by ...Working Paper -
Success factors of growth-stage digital health companies: protocol for a systematic literature review
(2024)medRxivBackground The healthcare industry is undergoing rapid transformation and progress, fueled by technological advances and the growing need for accessible, affordable, and high-quality healthcare services. While there has been significant progress in digitizing healthcare, especially during the COVID-19 pandemic, there is still considerable untapped potential for digital therapeutics (DTx). According to a report by Bloomberg, the digital ...Working Paper -
Bike network planning in limited urban space
(2024)arXivThe lack of cycling infrastructure in urban environments hinders the adoption of cycling as a viable mode for commuting, despite the evident benefits of (e-)bikes as sustainable, efficient, and health-promoting transportation modes. Bike network planning is a tedious process, relying on heuristic computational methods that frequently overlook the broader implications of introducing new cycling infrastructure, in particular the necessity ...Working Paper -
Dynamic electric breakdown modeling of quasi-uniform, dielectric-bounded gas gaps
(2024)The motivating problem for this paper is the determination of the probability of breakdown of small (< mm) quasi-uniform, dielectric-bounded air gaps under short transient voltages (some ns to us). Guidelines for answering this question are of importance in many areas of applied plasma physics, ranging from new spark ignition concepts with ultrashort high-voltage pulses (consistent high breakdown voltage desired) to the avoidance of the ...Working Paper -
MoMuCAMS: A new modular platform for boundary layer aerosol and trace gas vertical measurements in extreme environments
(2024)EGUsphereThe Modular Multiplatform Compatible Air Measurement System (MoMuCAMS) is a newly developed in situ aerosol and trace gas measurement payload for lower atmospheric vertical profiling in extreme environments. MoMuCAMS is a multiplatform compatible system, primarily designed to be attached to a helikite, a rugged tethered balloon type that is suitable for operations in cold and windy conditions. The system addresses the need for detailed ...Working Paper -
Collaboration and Innovation Patterns in Diabetes Ecosystems
(2024)medRxivBackground: The global prevalence of diabetes is increasing and has stimulated new technological advancements in disease management. Although there are many digital health companies with a focus on diabetes, building them up at scale is difficult due to a heterogeneous, inefficient, and fragmented healthcare system. While ecosystems, or collaborative value creation, could help address system fragmentation; the current diabetes ecosystem ...Working Paper -