Expertini Research Research

Browse Research Papers

744+ open-access research outputs.

✕ Clear
🔍 xavier vilaca 📂 Engineering
Showing 744 results for "xavier vilaca" in Engineering
Engineering Preprint PDF DOI

Hybrid Digital and Microwave Linear Analog Computer (MiLAC)-aided Beamforming for Multiuser MIMO-OFDM Systems

Yiyang Peng, Zheyu Wu, Bruno Clerckx · 2026

Microwave linear analog computing (MiLAC) has recently emerged as a promising architecture for analog-domain beamforming. In particular, a hybrid digital-MiLAC architecture was proposed and was shown …

Read Paper →
Engineering Preprint PDF DOI

Quantization-Aware EE Optimization and SE-EE Tradeoff for MiLAC-Aided MU-MISO Beamforming

Yuchen Zhang, Pinjun Zheng, Tareq Y. Al-Naffouri · 2026

In large antenna arrays, hardware power consumption becomes a dominant design constraint, making energy efficiency (EE) a first-class objective alongside spectral efficiency (SE). Microwave linear ana…

Read Paper →
Engineering Preprint PDF DOI

Two-Layer Microwave Linear Analog Computer (MiLAC)-aided Multi-user MISO Networks

Xiaohua Zhou, Tianyu Fang, Yijie Mao, Bruno Clerckx · 2026

Microwave linear analog computer (MiLAC)-aided transmit beamforming, which processes transmitted symbols entirely in the analog domain, has recently emerged as a promising alternative to fully digital…

Read Paper →
Engineering Preprint PDF DOI

A Replicable Robotics Awareness Method Using LLM-Enabled Robotics Interaction: Evidence from a Corporate Challenge

S. A. Prieto, M. A. Gopee, Y. Ben Arab, B. Garcia de Soto, J. Esteba, P. Olivera Brizzio · 2026

Large language models are increasingly being explored as interfaces between humans and robotic systems, yet there remains limited evidence on how such technologies can be used not only for interaction…

Read Paper →
Engineering Preprint PDF DOI

Visual-Tactile Peg-in-Hole Assembly Learning from Peg-out-of-Hole Disassembly

Yongqiang Zhao, Xuyang Zhang, Zhuo Chen, Matteo Leonetti, Emmanouil Spyrakos-Papastavridis, Shan Luo · 2026

Peg-in-hole (PiH) assembly is a fundamental yet challenging robotic manipulation task. While reinforcement learning (RL) has shown promise in tackling such tasks, it requires extensive exploration. In…

Read Paper →
Engineering Preprint PDF DOI

VLA Foundry: A Unified Framework for Training Vision-Language-Action Models

Jean Mercat, Sedrick Keh, Kushal Arora, Isabella Huang, Paarth Shah, Haruki Nishimura, Shun Iwase, Katherine Liu · 2026

We present VLA Foundry, an open-source framework that unifies LLM, VLM, and VLA training in a single codebase. Most open-source VLA efforts specialize on the action training stage, often stitching tog…

Read Paper →
Engineering Preprint PDF DOI

''It Is Much Safer to Be Sparse than Connected'': Safe Control of Robotic Swarm Density Dynamics with PDE-Optimization with State Constraints

Longchen Niu, Gennaro Notomista · 2026

This paper introduces a safety-critical optimization-based control strategy that leverages control Lyapunov and control barrier functions to guide the spatial density of robotic swarms governed by the…

Read Paper →
Engineering Preprint PDF DOI

A transformable slender microrobot inspired by nematode parasites for interventional endovascular surgery

Xin Yang, Dongliang Fan, Yunteng Ma, Yuxuan Liao, Diancheng Li, U Kei Cheang, Bo Peng, Hongqiang Wang · 2026

Cardiovascular diseases account for around 17.9 million deaths per year globally, the treatment of which is challenging considering the confined space and complex topology of the vascular network and …

Read Paper →
Engineering Preprint PDF DOI

Human Gaze-based Dual Teacher Guidance Learning for Semi-Supervised Medical Image Segmentation

Rongjun Ge, Chong Wang, Yuxin Liu, Chunqiang Lu, Cong Xia, Yehui Jiang, Fangyi Xu, Yinsu Zhu, Daoqiang Zhang, Chengyu Liu, Yang Chen, Shuo Li, Yuting He · 2026

In the field of medical image segmentation, the scarcity of labeled data poses a major challenge for existing models to accurately perceive target regions. Compared with manual annotation, gaze data i…

Read Paper →
Engineering Preprint PDF DOI

Sumo: Dynamic and Generalizable Whole-Body Loco-Manipulation

John Z. Zhang, Maks Sorokin, Jan Brudigam, Brandon Hung, Stephen Phillips, Dmitry Yershov, Farzad Niroui, Tong Zhao, Leonor Fermoselle, Xinghao Zhu, Chao Cao, Duy Ta, Tao Pang, Jiuguang Wang, Preston Culbertson, Zachary Manchester, Simon Le Cleac'h · 2026

This paper presents a sim-to-real approach that enables legged robots to dynamically manipulate large and heavy objects with whole-body dexterity. Our key insight is that by performing test-time steer…

Read Paper →
Engineering Preprint PDF DOI

Shocks without shock capturing: Information geometric regularization of finite volume methods for Navier--Stokes-like problems

Anand Radhakrishnan, Benjamin Wilfong, Spencer H. Bryngelson, Florian Schafer · 2026

Shock waves in high-speed fluid dynamics produce near-discontinuities in the fluid momentum, density, and energy. Most contemporary works use artificial viscosity or limiters as numerical mitigation o…

Read Paper →
Engineering Preprint PDF DOI

Final Report, Center for Computer-Integrated Computer-Integrated Surgical Systems and Technology, NSF ERC Cooperative Agreement EEC9731748, Volume 1

Russell H. Taylor, Gregory D. Hager, Ralph Etienne-Cummings. Eric Grimson, Ron Kikinis, Cameron Riviere · 2026

In the last ten years, medical robotics has moved from the margins to the mainstream. Since the Engineering Research Center for Computer-Integrated Surgical Systems and Technology was Launched in 1998…

Read Paper →
Engineering Preprint PDF DOI

RoboPlayground: Democratizing Robotic Evaluation through Structured Physical Domains

Yi Ru Wang, Carter Ung, Evan Gubarev, Christopher Tan, Siddhartha Srinivasa, Dieter Fox · 2026

Evaluation of robotic manipulation systems has largely relied on fixed benchmarks authored by a small number of experts, where task instances, constraints, and success criteria are predefined and diff…

Read Paper →
Engineering Preprint PDF DOI

Amalgamation of Physics-Informed Neural Network and LBM for the Prediction of Unsteady Fluid Flows in Fractal-Rough Microchannels

Ganesh Sahadeo Meshram, Partha Pratim Chakrabarti, Suman Chakraborty · 2026

One of the biggest challenges in the optimization of micro-scale fluid transport phenomena is the prediction of unsteady fluid flow in the presence of rough channel walls. Even though the accuracy of …

Read Paper →
Engineering Preprint PDF DOI

LiPS: Lightweight Panoptic Segmentation for Resource-Constrained Robotics

Calvin Galagain, Martyna Poreba, Francois Goulette, Cyrill Stachniss · 2026

Panoptic segmentation is a key enabler for robotic perception, as it unifies semantic understanding with object-level reasoning. However, the increasing complexity of state-of-the-art models makes the…

Read Paper →
Engineering Preprint PDF DOI

LILAC: Language-Conditioned Object-Centric Optical Flow for Open-Loop Trajectory Generation

Motonari Kambara, Koki Seno, Tomoya Kaichi, Yanan Wang, Komei Sugiura · 2026

We address language-conditioned robotic manipulation using flow-based trajectory generation, which enables training on human and web videos of object manipulation and requires only minimal embodiment-…

Read Paper →
Engineering Preprint PDF DOI

Bridging Computational Fluid Dynamics Algorithm and Physics-Informed Learning: SIMPLE-PINN for Incompressible Navier-Stokes Equations

Chang Wei, Yuchen Fan, Chin Chun Ooi, Jian Cheng Wong, Heyang Wang, Pao-Hsiung Chiu · 2026

Physics-informed neural networks (PINNs) have shown promise for solving partial differential equations (PDEs) by directly embedding them into the loss function. Despite their notable success, existing…

Read Paper →
Engineering Preprint PDF DOI

Introducing M: A Modular, Modifiable Social Robot

Victor Nikhil Antony, Zhili Gong, Yoonjae Kim, Chien-Ming Huang · 2026

We present M, an open-source, low-cost social robot platform designed to reduce platform friction that slows social robotics research by making robots easier to reproduce, modify, and deploy in real-w…

Read Paper →
Engineering Preprint PDF DOI

ViTac-Tracing: Visual-Tactile Imitation Learning of Deformable Object Tracing

Yongqiang Zhao, Haining Luo, Yupeng Wang, Emmanouil Spyrakos Papastavridis, Yiannis Demiris, Shan Luo · 2026

Deformable objects often appear in unstructured configurations. Tracing deformable objects helps bringing them into extended states and facilitating the downstream manipulation tasks. Due to the requi…

Read Paper →
Engineering Preprint PDF DOI

Physicochemical-Neural Fusion for Semi-Closed-Circuit Respiratory Autonomy in Extreme Environments

Phillip Kingston, Nicholas Johnston · 2026

This paper introduces Galactic Bioware's Life Support System, a semi-closed-circuit breathing apparatus designed for integration into a positive-pressure firefighting suit and governed by an AI contro…

Read Paper →
Page 1 of 38 Next →