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🔍 alexander stec 📂 Engineering
Showing 551 results for "alexander stec" in Engineering
Engineering Preprint PDF DOI

FlowS: One-Step Motion Prediction via Local Transport Conditioning

Leandro Di Bella, Adrian Munteanu, Bruno Cornelis · 2026

Generative motion prediction must satisfy three simultaneous requirements for real-world autonomy: high accuracy, diverse multimodal futures, and strictly bounded latency. Diffusion models meet the fi…

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Engineering Preprint PDF DOI

Step-Audio-R1.5 Technical Report

Yuxin Zhang, Xiangyu Tony Zhang, Daijiao Liu, Fei Tian, Yayue Deng, Jun Chen, Qingjian Lin, Haoyang Zhang, Yuxin Li, Jinglan Gong, Yechang Huang, Liang Zhao, Chengyuan Yao, Hexin Liu, Eng Siong Chng, Xuerui Yang, Gang Yu, Xiangyu Zhang, Daxin Jiang · 2026

Recent advancements in large audio language models have extended Chain-of-Thought (CoT) reasoning into the auditory domain, enabling models to tackle increasingly complex acoustic and spoken tasks. To…

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Engineering Preprint PDF DOI

A Novel Two-Step Approach for Reactive Power Demand Calculation Using Integrated Voltage Stability Analysis

Hassan Abouelgheit, Hendrik Lens · 2026

The assessment of reactive power demand plays an instrumental role in power system planning. This paper presents a methodology for calculating reactive power demand based on a two-step approach. Unlik…

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Engineering Preprint PDF DOI

An analysis of sensor selection for fruit picking with suction-based grippers

Eva Krueger, Marcus Rosette, Joseph R. Davidson · 2026

Robotic fruit harvesting often fails to reliably detect whether a fruit has been successfully picked, limiting efficiency and increasing crop damage. This problem is difficult due to compliant fruit a…

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Engineering Preprint PDF DOI

V-STC: A Time-Efficient Multi-Vehicle Coordinated Trajectory Planning Approach

Pengfei Liu, Jialing Zhou, Yuezu Lv, Guanghui Wen, Tingwen Huang · 2026

Coordinating the motions of multiple autonomous vehicles (AVs) requires planning frameworks that ensure safety while making efficient use of space and time. This paper presents a new approach, termed …

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Engineering Preprint PDF DOI

MISTY: High-Throughput Motion Planning via Mixer-based Single-step Drifting

Yining Xing, Zehong Ke, Yiqian Tu, Zhiyuan Liu, Wenhao Yu, Jianqiang Wang · 2026

Multi-modal trajectory generation is essential for safe autonomous driving, yet existing diffusion-based planners suffer from high inference latency due to iterative neural function evaluations. This …

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Engineering Preprint PDF DOI

Embedding-Based Intrusive Evaluation Metrics for Musical Source Separation Using MERT Representations

Paul A. Bereuter, Alois Sontacchi · 2026

Evaluation of musical source separation (MSS) has traditionally relied on Blind Source Separation Evaluation (BSS-Eval) metrics. However, recent work suggests that BSS-Eval metrics exhibit low correla…

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Engineering Preprint PDF DOI

Multi-Step Gaussian Process Propagation for Adaptive Path Planning

Alex Beaudin, Bj{o}rn Andreas Kristiansen, Kristoffer Gryte, Corrado Chiatante, Morten Omholt Alver, Murat Arcak, Tor Arne Johansen · 2026

Efficient and robust path planning hinges on combining all accessible information sources. In particular, the task of path planning for robotic environmental exploration and monitoring depends highly …

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Engineering Preprint PDF DOI

Discrete Token Modeling for Multi-Stem Music Source Separation with Language Models

Pengbo Lyu, Xiangyu Zhao, Chengwei Liu, Haoyin Yan, Xiaotao Liang, Hongyu Wang, Shaofei Xue · 2026

We propose a generative framework for multi-track music source separation (MSS) that reformulates the task as conditional discrete token generation. Unlike conventional approaches that directly estima…

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Engineering Preprint PDF DOI

Staggered Integral Online Conformal Prediction for Safe Dynamics Adaptation with Multi-Step Coverage Guarantees

Daniel M. Cherenson, Dimitra Panagou · 2026

Safety-critical control of uncertain, adaptive systems often relies on conservative, worst-case uncertainty bounds that limit closed-loop performance. Online conformal prediction is a powerful data-dr…

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Engineering Preprint PDF DOI

Rectified Schr\"odinger Bridge Matching for Few-Step Visual Navigation

Wuyang Luan, Junhui Li, Weiguang Zhao, Wenjian Zhang, Tieru Wu, Rui Ma · 2026

Visual navigation is a core challenge in Embodied AI, requiring autonomous agents to translate high-dimensional sensory observations into continuous, long-horizon action trajectories. While generative…

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Engineering Preprint PDF DOI

Finite-Step Invariant Sets for Hybrid Systems with Probabilistic Guarantees

Varun Madabushi, Elizabeth Dietrich, Hanna Krasowski, Maegan Tucker · 2026

Poincare return maps are a fundamental tool for analyzing periodic orbits in hybrid dynamical systems, including legged locomotion, power electronics, and other cyber-physical systems with switching b…

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Engineering Preprint PDF DOI

Drift-Based Policy Optimization: Native One-Step Policy Learning for Online Robot Control

Yuxuan Gao, Yedong Shen, Shiqi Zhang, Wenhao Yu, Yifan Duan, Jia pan, Jiajia Wu, Jiajun Deng, Yanyong Zhang · 2026

Although multi-step generative policies achieve strong performance in robotic manipulation by modeling multimodal action distributions, they require multi-step iterative denoising at inference time. E…

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Engineering Preprint PDF DOI

Toward Single-Step MPPI via Differentiable Predictive Control

Viet-Anh Le, Renukanandan Tumu, Rahul Mangharam · 2026

Model predictive path integral (MPPI) is a sampling-based method for solving complex model predictive control (MPC) problems, but its real-time implementation faces two key challenges: the computation…

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Engineering Preprint PDF DOI

Penalty-Free Two-Step Optimization of Higher-Order Ising Problems for Two-Dimensional Line-Controlled RIS

Tasuku Okamoto, Naoki Ishikawa, Daisuke Kitayama, Yuto Hama, Kensuke Inaba, Toshimori Honjo, Hiroki Takesue, Hiroyuki Takahashi · 2026

Reconfigurable intelligent surfaces (RISs) are often assumed to allow continuous phase control over all elements, leading to hardware cost that scales with the number of elements. Treating the phase o…

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Engineering Preprint PDF DOI

Safe Adaptive-Sampling Control via Robust M-Step Hold Model Predictive Control

Spencer Schutz, Charlott Vallon, Francesco Borrelli · 2026

In adaptive-sampling control, the control frequency can be adjusted during task execution. Ensuring that these on-the-fly changes do not jeopardize the safety of the system being controlled requires c…

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Engineering Preprint PDF DOI

Persistent Robot World Models: Stabilizing Multi-Step Rollouts via Reinforcement Learning

Jai Bardhan, Patrik Drozdik, Josef Sivic, Vladimir Petrik · 2026

Action-conditioned robot world models generate future video frames of the manipulated scene given a robot action sequence, offering a promising alternative for simulating tasks that are difficult to m…

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Engineering Preprint PDF DOI

Inference-Sufficient Representations for High-Throughput Measurement: Lessons from Lossless Compression Benchmarks in 4D-STEM

Ondrej Dyck, Andrew R. Lupini, Albina Borisevich, Miaofang Chi, Rama K. Vasudevan, Stephen Jesse · 2026

Four-dimensional scanning transmission electron microscopy (4D-STEM) generates multi-gigabyte datasets, creating a growing mismatch between acquisition rates and practical storage, transfer, and inter…

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Engineering Preprint PDF DOI

FODMP: Fast One-Step Diffusion of Movement Primitives Generation for Time-Dependent Robot Actions

Xirui Shi, Arya Ebrahimi, Yi Hu, Jun Jin · 2026

Diffusion models are increasingly used for robot learning, but current designs face a clear trade-off. Action-chunking diffusion policies like ManiCM are fast to run, yet they only predict short segme…

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Engineering Preprint PDF DOI

C-STEP: Continuous Space-Time Empowerment for Physics-informed Safe Reinforcement Learning of Mobile Agents

Guihlerme Daubt, Adrian Redder · 2026

Safe navigation in complex environments remains a central challenge for reinforcement learning (RL) in robotics. This paper introduces Continuous Space-Time Empowerment for Physics-informed (C-STEP) s…

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