Expertini Research Research

Browse Research Papers

530+ open-access research outputs.

✕ Clear
🔍 werner robitza 📂 Engineering 📄 Preprint
Showing 530 results for "werner robitza" in Engineering · Preprint
Engineering Preprint PDF DOI

Shared-kernel Wavelet Neural Networks for Poisson Image Reconstruction

Yuanhao Gong, Tan Tang, Qianyan Liu · 2026

The Laplacian operator transforms the image into its Laplacian field, which usually is sparse and satisfies a stable distribution. On the other hand, an image can be uniquely reconstructed from its La…

Read Paper →
Engineering Preprint PDF DOI

Reinforcement Learning Enabled Adaptive Multi-Task Control for Bipedal Soccer Robots

Yulai Zhang, Yinrong Zhang, Ting Wu, Linqi Ye · 2026

Developing bipedal football robots in dynamiccombat environments presents challenges related to motionstability and deep coupling of multiple tasks, as well ascontrol switching issues between differen…

Read Paper →
Engineering Preprint PDF DOI

An Implicit Compact-Kernel Material Point Method for Computational Solid Mechanics

Qirui Fu, Yupeng Jiang, Minchen Li · 2026

The numerical performance of the material point method (MPM) is strongly governed by the particle-grid kernel, which controls the trade-off among smoothness, locality, numerical diffusion, contact acc…

Read Paper →
Engineering Preprint PDF DOI

Leveraging Kernel Symmetry for Joint Compression and Error Mitigation in Edge Model Transfer

Anis Hamadouche, Mathini Sellathurai · 2026

This paper investigates communication-efficient neural network transmission by exploiting structured symmetry constraints in convolutional kernels. Instead of transmitting all model parameters, we pro…

Read Paper →
Engineering Preprint PDF DOI

Cross-Platform Domain Adaptation for Multi-Modal MOOC Learner Satisfaction Prediction

Jakub Kowalski, Magdalena Piotrowska · 2026

Learner satisfaction prediction from MOOC reviews and behavioral logs is valuable for course quality improvement and platform operations. In practice, models trained on one platform degrade significan…

Read Paper →
Engineering Preprint PDF DOI

Early-Warning Learner Satisfaction Forecasting in MOOCs via Temporal Event Transformers and LLM Text Embeddings

Anna Kowalczyk, Jakub Kowalski · 2026

Learner satisfaction is a critical quality signal in massive open online courses (MOOCs), directly influencing retention, engagement, and platform reputation. Most existing methods infer satisfaction …

Read Paper →
Engineering Preprint PDF DOI

Physics-Informed Reinforcement Learning of Spatial Density Velocity Potentials for Map-Free Racing

Shathushan Sivashangaran, Apoorva Khairnar, Sepideh Gohari, Vihaan Dutta, Azim Eskandarian · 2026

Autonomous racing without prebuilt maps is a grand challenge for embedded robotics that requires kinodynamic planning from instantaneous sensor data at the acceleration and tire friction limits. Out-O…

Read Paper →
Engineering Preprint PDF DOI

Spectral Kernel Dynamics via Maximum Caliber: Fixed Points, Geodesics, and Phase Transitions

Jnaneshwar Das · 2026

We derive a closed-form geometric functional for kernel dynamics on finite graphs by applying the Maximum Caliber (MaxCal) variational principle to the spectral transfer function h(lambda) of the grap…

Read Paper →
Engineering Preprint PDF DOI

Local Sensitivity Analysis for Kernel-Regularized ARX Predictors in Data-Driven Predictive Control

Aihui Liu, Magnus Jansson · 2026

We study local sensitivity of structured ARX-based data-driven predictive control. Although predictor estimation is linear in the ARX parameters, the lifted multi-step predictor used in MPC depends on…

Read Paper →
Engineering Preprint PDF DOI

Robust Nonlinear System Identification in Reproducing Kernel Hilbert Spaces via Scenario Optimization

Jannis Lubsen, Annika Eichler · 2026

This paper proposes a method for constructing one-step prediction tubes for nonlinear systems using reproducing kernel Hilbert spaces. We approximate a bounded reproducing kernel Hilbert space (RKHS) …

Read Paper →
Engineering Preprint PDF DOI

AnyImageNav: Any-View Geometry for Precise Last-Meter Image-Goal Navigation

Yijie Deng, Shuaihang Yuan, Yi Fang · 2026

Image Goal Navigation (ImageNav) is evaluated by a coarse success criterion, the agent must stop within 1m of the target, which is sufficient for finding objects but falls short for downstream tasks s…

Read Paper →
Engineering Preprint PDF DOI

Koopman Subspace Pruning in Reproducing Kernel Hilbert Spaces via Principal Vectors

Dhruv Shah, Jorge Cortes · 2026

Data-driven approximations of the infinite-dimensional Koopman operator rely on finite-dimensional projections, where the predictive accuracy of the resulting models hinges heavily on the invariance o…

Read Paper →
Engineering Preprint PDF DOI

Dissipativity Analysis of Nonlinear Systems: A Linear--Radial Kernel-based Approach

Xiuzhen Ye, Wentao Tang · 2026

Estimating the dissipativity of nonlinear systems from empirical data is useful for the analysis and control of nonlinear systems, especially when an accurate model is unavailable. Based on a Koopman …

Read Paper →
Engineering Preprint PDF DOI

Infinite-Horizon Ergodic Control via Kernel Mean Embeddings

Christian Hughes, Ian Abraham · 2026

This paper derives an infinite-horizon ergodic controller based on kernel mean embeddings for long-duration coverage tasks on general domains. While existing kernel-based ergodic control methods provi…

Read Paper →
Engineering Preprint PDF DOI

Behavioral Score Diffusion: Model-Free Trajectory Planning via Kernel-Based Score Estimation from Data

Shihao Li, Jiachen Li, Jiamin Xu, Dongmei Chen · 2026

Diffusion-based trajectory optimization has emerged as a powerful planning paradigm, but existing methods require either learned score networks trained on large datasets or analytical dynamics models …

Read Paper →
Engineering Preprint PDF DOI

Kernel-SDF: An Open-Source Library for Real-Time Signed Distance Function Estimation using Kernel Regression

Zhirui Dai, Tianxing Fan, Mani Amani, Jaemin Seo, Ki Myung Brian Lee, Hyondong Oh, Nikolay Atanasov · 2026

Accurate and efficient environment representation is crucial for robotic applications such as motion planning, manipulation, and navigation. Signed distance functions (SDFs) have emerged as a powerful…

Read Paper →
Engineering Preprint PDF DOI

Spatial Degrees of Freedom and Channel Strength for Antenna Systems

Mats Gustafsson, Yaniv Brick · 2026

The number of spatial degrees of freedom (NDoF) and channel strength in antenna systems are examined within a geometric framework. Starting from a correlation-operator representation of the channel be…

Read Paper →
Engineering Preprint PDF DOI

Physics-Enforced Neural Ordinary Differential Equation for Chemical Kinetics Optimization in Reaction-Diffusion Systems

Feixue Cai, Hua Zhou, Zhuyin Ren · 2026

Calibrating chemical kinetics in a reaction-diffusion system is challenging because of complex dynamics governed by tightly coupled chemistry and transport, while experimental observations are often s…

Read Paper →
Engineering Preprint PDF DOI

Learning Certified Neural Network Controllers Using Contraction and Interval Analysis

Akash Harapanahalli, Samuel Coogan, Alexander Davydov · 2026

We present a novel framework that jointly trains a neural network controller and a neural Riemannian metric with rigorous closed-loop contraction guarantees using formal bound propagation. Directly bo…

Read Paper →
Engineering Preprint PDF DOI

Uniform Maximum Projection Designs for Computer Experiments

Miroslav Vorechovsky, Jan Masek · 2026

Space-filling experimental designs are widely used in engineering computer experiments, where only a limited number of expensive model evaluations can be afforded. Distance-based designs such as Maxim…

Read Paper →
Page 1 of 27 Next →