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Showing 1721 results for "databases" in Engineering · Preprint
Engineering Preprint PDF DOI

AI-Driven Performance-to-Design Generation and Optimization of Marine Propellers

Leah Chen, Keni Chih-Hua Wu, Boon Tat Chia, Xiuqing Xing, Jian Cheng Wong · 2026

AI is increasingly used to accelerate engineering design by improving decision-making and shortening iteration cycles. Application to marine propeller design, however, remains challenging due to scarc…

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Engineering Preprint PDF DOI

GenerativeMPC: VLM-RAG-guided Whole-Body MPC with Virtual Impedance for Bimanual Mobile Manipulation

Marcelino Julio Fernando, Miguel Altamirano Cabrera, Jeffrin Sam, Yara Mahmoud, Konstantin Gubernatorov, Dzmitry Tsetserukou · 2026

Bimanual mobile manipulation requires a seamless integration between high-level semantic reasoning and safe, compliant physical interaction - a challenge that end-to-end models approach opaquely and c…

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Engineering Preprint PDF DOI

Rewind-IL: Online Failure Detection and State Respawning for Imitation Learning

Gehan Zheng, Sanjay Seenivasan, Matthew Johnson-Roberson, Weiming Zhi · 2026

Imitation learning has enabled robots to acquire complex visuomotor manipulation skills from demonstrations, but deployment failures remain a major obstacle, especially for long-horizon action-chunked…

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Engineering Preprint PDF DOI

SongBench: A Fine-Grained Multi-Aspect Benchmark for Song Quality Assessment

Dapeng Wu, Shun Lei, Wei Tan, Guangzheng Li, Yunzhe Wang, Huaicheng Zhang, Lishi Zuo, Zhiyong Wu · 2026

Recent advancements in Text-to-Song generation have enabled realistic musical content production, yet existing evaluation benchmarks lack the professional granularity to capture multi-dimensional aest…

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Engineering Preprint PDF DOI

Agentic Application in Power Grid Static Analysis: Automatic Code Generation and Error Correction

Qinjuan Wang, Shan Yang, Yongli Zhu · 2026

This paper introduces an LLM agent that automates power grid static analysis by converting natural language into MATPOWER scripts. The framework utilizes DeepSeek-OCR to build an enhanced vector datab…

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Engineering Preprint PDF DOI

Multi-task Just Recognizable Difference for Video Coding for Machines: Database, Model, and Coding Application

Junqi Liu, Yun Zhang, Xiaoxia Huang, Long Xu, Weisi Lin · 2026

Just Recognizable Difference (JRD) boosts coding efficiency for machine vision through visibility threshold modeling, but is currently limited to a single-task scenario. To address this issue, we prop…

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Engineering Preprint PDF DOI

Adaptive Material Fingerprinting for the fast discovery of polyconvex feature combinations in isotropic and anisotropic hyperelasticity

Moritz Flaschel, Hagen Holthusen, Denisa Martonova, Ellen Kuhl · 2026

We recently proposed a method called Material Fingerprinting for the rapid discovery of mechanical material models that avoids solving continuous optimization problems. Material Fingerprinting assumes…

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Engineering Preprint PDF DOI

Quantitative measurements of biological/chemical concentrations using smartphone cameras

Zhendong Cao, Hongji Dai, Zhida Li, Ash Parameswaran · 2026

This paper presents a smartphone-based imaging system capable of quantifying the concentration of an assortment of biological/chemical assay samples. The main objective is to construct an image databa…

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Engineering Preprint PDF DOI

Vector Similarity Search-Based MCS Selection in Massive Multi-User MIMO-OFDM

Fuga Kobayashi, Takumi Takahashi, Shinsuke Ibi, Takanobu Doi, Kazushi Muraoka, Hideki Ochiai · 2026

This paper proposes a novel modulation and coding scheme (MCS) selection framework that integrates mutual information (MI) prediction based on vector similarity search (VSS) for massive multi-user mul…

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Engineering Preprint PDF DOI

UPV_RIR_DB: A Structured Room Impulse Response Database with Hierarchical Metadata and Acoustic Indicators

Jesus Garcia-Gamborino, Laura Fuster, Daniel de la Prida, Luis A. Azpicueta-Ruiz, Gema Pinero · 2026

This paper presents UPV_RIR_DB, a structured database of measured room impulse responses (RIRs) designed to provide acoustic data with explicit spatial metadata and traceable acquisition parameters. T…

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Engineering Preprint PDF DOI

Semi-Blind Channel Estimation and Hybrid Receiver Beamforming in the Tera-Hertz Multi-User Massive MIMO Uplink

Abhisha Garg, Suraj Srivastava, Varsha Dubey, Aditya Jagannatham, Lajos Hanzo · 2026

We develop a pragmatic multi-user (MU) massive multiple-input multiple-output (MIMO) channel model tailored to the THz band, encompassing factors such as molecular absorption, reflection losses and mu…

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Engineering Preprint PDF DOI

Reasoning Systems for Semantic Navigation in Mobile Robots

Jonathan Crespo, Ramon Barber, O. M. Mozos, Daniel Be{ss}ler, Michael Beetz · 2026

Semantic navigation is the navigation paradigm in which environmental semantic concepts and their relationships are taken into account to plan the route of a mobile robot. This paradigm facilitates th…

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Engineering Preprint PDF DOI

Evaluating Smartphone GNSS Accuracy for Geofenced 6 GHz Operations

Joshua Roy Palathinkal, Hardani Ismu Nabil, Muhammad Iqbal Rochman, Hossein Nasiri, Francis A. Gatsi, Monisha Ghosh · 2026

The recently deployed 6 GHz spectrum in the U.S. utilizes distinct power categories, with the latest proposed "Geofenced Variable Power" (GVP) category permitting indoor and outdoor operations without…

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Engineering Preprint PDF DOI

Can LLMs Help Localize Fake Words in Partially Fake Speech?

Lin Zhang, Thomas Thebaud, Zexin Cai, Sanjeev Khudanpur, Daniel Povey, Leibny Paola Garcia-Perera, Matthew Wiesner, Nicholas Andrews · 2026

Large language models (LLMs), trained on large-scale text, have recently attracted significant attention for their strong performance across many tasks. Motivated by this, we investigate whether a tex…

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Engineering Preprint PDF DOI

An Atlas of Extreme Properties in Cubic Symmetric Metamaterials

Sahar Choukir, Nirosh Manohara, Chandra Veer Singh · 2026

Current research on three-dimensional metamaterial has largely focused on conventional strut, plate, and shell-based lattice designs. Although these designs offer several advantages, they possess inhe…

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Engineering Preprint PDF DOI

bayesgrid: An Open-Source Python Tool for Generating Probabilistic Synthetic Transmission-Distribution Grids Using Bayesian Hierarchical Models

Henrique O. Caetano, Rahul K. Gupta, Carlos D. Maciel · 2026

In this work, we present bayesgrid, an open-source python toolbox for generating synthetic power transmission-distribution systems for any geographical location worldwide, using the publicly available…

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Engineering Preprint PDF DOI

HE-VPR: Height Estimation Enabled Aerial Visual Place Recognition Against Scale Variance

Mengfan He, Xingyu Shao, Chunyu Li, Chao Chen, Liangzheng Sun, Ziyang Meng, Yuanqing Wu · 2026

In this work, we propose HE-VPR, a visual place recognition (VPR) framework that incorporates height estimation. Our system decouples height inference from place recognition, allowing both modules to …

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Engineering Preprint PDF DOI

Quality of Automatic Speech Recognition -- Polish Language case study -- from Wav2Vec to Scribe ElevenLabs

Marcin Pietron, Szymon Piorkowski, Kamil Faber, Dominik Zurek, Micha{l} Karwatowski, Jerzy Duda, Hubert Zielinski, Piotr Lipnicki, Miko{l}aj Leszczuk · 2026

This article concerns comparative studies on the Automatic Speech Recognition (ASR) model incorporated with the Large Language Model (LLM) used for medical interviews. The proposed solution is tested …

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Engineering Preprint PDF DOI

Energy-Based Injury Protection Database: Including Shearing Contact Thresholds for Hand and Finger Using Porcine Surrogates

Robin Jeanne Kirschner, Anna Huber, Carina M. Micheler, Dirk Muller, Nader Rajaei, Rainer Burgkart, Sami Haddadin · 2026

While robotics research continues to propose strategies for collision avoidance in human-robot interaction, the reality of constrained environments and future humanoid systems makes contact inevitable…

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Engineering Preprint PDF DOI

TokEye: Fast Signal Extraction for Fluctuating Time Series via Offline Self-Supervised Learning From Fusion Diagnostics to Bioacoustics

Nathaniel Chen, Kouroche Bouchiat, Peter Steiner, Andrew Rothstein, David Smith, Max Austin, Mike van Zeeland, Azarakhsh Jalalvand, Egemen Kolemen · 2026

Next-generation fusion facilities like ITER face a "data deluge," generating petabytes of multi-diagnostic signals daily that challenge manual analysis. We present a "signals-first" self-supervised fr…

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