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🔍 stefan kruger 📂 Engineering
Showing 93 results for "stefan kruger" in Engineering
Engineering Preprint PDF DOI

Generative AI for material design: A mechanics perspective from burgers to matter

Vahidullah Tac, Ellen Kuhl · 2026

Generative artificial intelligence offers a new paradigm to design matter in high-dimensional spaces. However, its underlying mechanisms remain difficult to interpret and limit adoption in computation…

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Engineering Preprint PDF DOI

Stein Variational Uncertainty-Adaptive Model Predictive Control

Hrishikesh Sathyanarayan, Ian Abraham · 2026

We propose a Stein variational distributionally robust controller for nonlinear dynamical systems with latent parametric uncertainty. The method is an alternative to conservative worst-case ambiguity-…

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Engineering Preprint PDF DOI

PinPoint: Monocular Needle Pose Estimation for Robotic Suturing via Stein Variational Newton and Geometric Residuals

Jesse F. d'Almeida, Tanner Watts, Susheela Sharma Stern, James Ferguson, Alan Kuntz, Robert J. Webster III · 2026

Reliable estimation of surgical needle 3D position and orientation is essential for autonomous robotic suturing, yet existing methods operate almost exclusively under stereoscopic vision. In monocular…

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Engineering Preprint PDF DOI

Rao-Blackwellized Stein Gradient Descent for Joint State-Parameter Estimation

Milad Banitalebi Dehkordi, Manas Mejari, Dario Piga · 2026

We present a filtering framework for online joint state estimation and parameter identification in nonlinear, time-varying systems. The algorithm uses Rao-Blackwellization technique to infer joint sta…

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Engineering Preprint PDF DOI

Stein Variational Ergodic Surface Coverage with SE(3) Constraints

Jiayun Li, Yufeng Jin, Sangli Teng, Dejian Gong, Georgia Chalvatzaki · 2026

Surface manipulation tasks require robots to generate trajectories that comprehensively cover complex 3D surfaces while maintaining precise end-effector poses. Existing ergodic trajectory optimization…

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Engineering Preprint PDF DOI

STL-SVPIO: Signal Temporal Logic guided Stein Variational Path Integral Optimization

Hongrui Zheng, Zirui Zang, Ahmad Amine, Cristian Ioan Vasile, Rahul Mangharam · 2026

Signal Temporal Logic (STL) enables formal specification of complex spatiotemporal constraints for robotic task planning. However, synthesizing long-horizon continuous control trajectories from comple…

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Engineering Preprint PDF DOI

Understanding Fire Through Thermal Radiation Fields for Mobile Robots

Anton R. Wagner, Madhan Balaji Rao, Xuesu Xiao, Soren Pirk · 2026

Safely moving through environments affected by fire is a critical capability for autonomous mobile robots deployed in disaster response. In this work, we present a novel approach for mobile robots to …

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Engineering Preprint PDF DOI

Generative Artificial Intelligence creates delicious, sustainable, and nutritious burgers

Vahidullah Tac, Christopher Gardner, Ellen Kuhl · 2026

Food choices shape both human and planetary health; yet, designing foods that are delicious, nutritious, and sustainable remains challenging. Here we show that generative artificial intelligence can l…

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Engineering Preprint PDF DOI

PINN vs LSTM: A Comparative Study for Steam Temperature Control in Heat Recovery Steam Generators

Mojtaba Fanoodi, Farzaneh Abdollahi, Mahdi Aliyari Shoorehdeli · 2025

This paper introduces a direct comparative study of Physics-Informed Neural Networks (PINNs) and Long Short-Term Memory (LSTM) networks for adaptive steam temperature control in Heat Recovery Steam Ge…

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Engineering Preprint PDF DOI

Fault-Tolerant Control of Steam Temperature in HRSG Superheater under Actuator Fault Using a Sliding Mode Observer and PINN

Mojtaba Fanoodi, Farzaneh Abdollahi, Mahdi Aliyari Shoorehdeli · 2025

This paper presents a novel fault-tolerant control framework for steam temperature regulation in Heat Recovery Steam Generators (HRSGs) subject to actuator faults. Addressing the critical challenge of…

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Engineering Preprint PDF DOI

Provably Safe Stein Variational Clarity-Aware Informative Planning

Kaleb Ben Naveed, Utkrisht Sahai, Anouck Girard, Dimitra Panagou · 2025

Autonomous robots are increasingly deployed for information-gathering tasks in environments that vary across space and time. Planning informative and safe trajectories in such settings is challenging …

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Engineering Preprint PDF DOI

SeFA-Policy: Fast and Accurate Visuomotor Policy Learning with Selective Flow Alignment

Rong Xue, Jiageng Mao, Mingtong Zhang, Yue Wang · 2025

Developing efficient and accurate visuomotor policies poses a central challenge in robotic imitation learning. While recent rectified flow approaches have advanced visuomotor policy learning, they suf…

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Engineering Preprint PDF DOI

Stein-based Optimization of Sampling Distributions in Model Predictive Path Integral Control

Jace Aldrich, Odest Chadwicke Jenkins · 2025

This paper introduces a method for Model Predictive Path Integral (MPPI) control that optimizes sample generation towards an optimal trajectory through Stein Variational Gradient Descent (SVGD). MPPI …

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Engineering Preprint PDF DOI

RoGER-SLAM: A Robust Gaussian Splatting SLAM System for Noisy and Low-light Environment Resilience

Huilin Yin, Zhaolin Yang, Linchuan Zhang, Gerhard Rigoll, Johannes Betz · 2025

The reliability of Simultaneous Localization and Mapping (SLAM) is severely constrained in environments where visual inputs suffer from noise and low illumination. Although recent 3D Gaussian Splattin…

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Engineering Preprint PDF DOI

RFI Removal from SAR Imagery via Sparse Parametric Estimation of LFM Interferences

Dehui Yang, Feng Xi, Qihao Cao, Huizhang Yang · 2025

One of the challenges in spaceborne synthetic aperture radar (SAR) is modeling and mitigating radio frequency interference (RFI) artifacts in SAR imagery. Linear frequency modulated (LFM) signals have…

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Engineering Preprint PDF DOI

SVN-ICP: Uncertainty Estimation of ICP-based LiDAR Odometry using Stein Variational Newton

Shiping Ma, Haoming Zhang, Marc Toussaint · 2025

This letter introduces SVN-ICP, a novel Iterative Closest Point (ICP) algorithm with uncertainty estimation that leverages Stein Variational Newton (SVN) on manifold. Designed specifically for fusing …

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Engineering Preprint PDF DOI

Fail2Progress: Learning from Real-World Robot Failures with Stein Variational Inference

Yixuan Huang, Novella Alvina, Mohanraj Devendran Shanthi, Tucker Hermans · 2025

Skill effect models for long-horizon manipulation tasks are prone to failures in conditions not covered by training data distributions. Therefore, enabling robots to reason about and learn from failur…

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Engineering Preprint PDF DOI

A James-Stein Estimator based Generalized OMP Algorithm for Robust Signal Recovery using Sparse Representation

Debraj Banerjee, Amitava Chatterjee · 2025

In this paper, we introduce a novel algorithm named JS-gOMP, which enhances the generalized Orthogonal Matching Pursuit (gOMP) algorithm for improved noise robustness in sparse signal processing. The …

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Engineering Preprint PDF DOI

Q-Guided Stein Variational Model Predictive Control via RL-informed Policy Prior

Shizhe Cai, Zeya Yin, Jayadeep Jacob, Fabio Ramos · 2025

Model Predictive Control (MPC) enables reliable trajectory optimization under dynamics constraints, but often depends on accurate dynamics models and carefully hand-designed cost functions. Recent lea…

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Engineering Preprint PDF DOI

A phase field model for hydraulic fracture: Drucker-Prager driving force and a hybrid coupling strategy

Y. Navidtehrani, C. Betegon, J. Vallejos, E. Martinez-Paneda · 2025

Recent years have seen a significant interest in using phase field approaches to model hydraulic fracture, so as to optimise a process that is key to industries such as petroleum engineering, mining a…

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