Research Showroom
A curated carousel highlighting discoveries in explosion safety, MEMS transducers, and mathematical control algorithms.
Modellierung eines Zündverzuges bei einer elektrischen Kontaktöffnungs-Entladung
Core Problem
Understanding low-power ignition delay when disconnects trigger micro-arc discharges in hydrogen-air environments.
Key Finding
Discovered distinct ignition delay bands between 150 µs and 250 µs for small current discharge triggers.
Hot Gas Kernel Expansion Shape Caused by Contact-Break Discharges
Core Problem
Profiling the spatial expansion of hot gas kernels during brief, dynamic electrical break arcs at low voltages (40 V, 40 mA).
Key Finding
Integrated high-speed optical Schlieren images with a custom 3D numerical model to map the kernel dependency on discharge channel placement.
Structure-Preserving Model Reduction Approach for Structured Index-2 Systems
Core Problem
Model reduction methods usually transform sparse structured matrices into dense ones, creating excessive memory usage.
Key Finding
Developed a projector-free, structure-preserving Smith iteration which handles Lyapunov equations directly, bypassing dense conversions.
Influence of Sensor Design on Bio-Inspired, Adaptive Acoustic Sensing
Core Problem
Increasing sensitivity of MEMS acoustic transducers without altering their built-in resonance frequency.
Key Finding
Simulated and built micro-cantilever arrays with customized feedback systems, matching FEM curves to physical vibrometer tests.
Comparative Analysis of Model Reduction Strategies for Circuit Based Periodic Problems
Core Problem
Comparing Balanced Truncation and Iterative Rational Krylov Algorithm (IRKA) on periodic, singular systems.
Key Finding
Devised a pseudo-inverse approach to estimate shift parameters for the LRCF-ADI Lyapunov solvers during balanced truncation.
An efficient algorithm for reduce order modeling of discrete-time descriptor systems
Core Problem
Standard descriptor algorithms require explicit transformation to standard form, consuming excessive runtime.
Key Finding
Designed a simpler, projector-free strategy applying balanced truncation directly onto the finite matrix subsystems.