Expertini Research Research

Browse Research Papers

19+ open-access research outputs.

โœ• Clear
๐Ÿ” joao rafael ๐Ÿ“‚ Engineering
Showing 19 results for "joao rafael" in Engineering
Engineering Preprint PDF DOI

RAFL: Generalizable Sim-to-Real of Soft Robots with Residual Acceleration Field Learning

Dong Heon Cho, Boyuan Chen ยท 2026

Differentiable simulators enable gradient-based optimization of soft robots over material parameters, control, and morphology, but accurately modeling real systems remains challenging due to the sim-tโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

An Implementation of the Crack Topology Score with Extensions

Siheon Joo, Hongjo Kim ยท 2026

The Crack Topology Score (CTS) is a recently proposed metric that focuses on evaluating the topological correctness of crack segmentation outputs. While pixel-wise metrics such as IoU or F1-score failโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

MMedFD: A Real-world Healthcare Benchmark for Multi-turn Full-Duplex Automatic Speech Recognition

Hongzhao Chen, XiaoYang Wang, Jing Lan, Hexiao Ding, Yufeng Jiang, MingHui Yang, DanHui Xu, Jun Luo, Nga-Chun Ng, Gerald W.Y. Cheng, Yunlin Mao, Jung Sun Yoo ยท 2025

Automatic speech recognition (ASR) in clinical dialogue demands robustness to full-duplex interaction, speaker overlap, and low-latency constraints, yet open benchmarks remain scarce. We present MMedFโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Vibration Damping in Underactuated Cable-suspended Artwork -- Flying Belt Motion Control

Martin Goubej, Lauria Clarke, Martin Hrabacka, David Tolar ยท 2025

This paper presents a comprehensive refurbishment of the interactive robotic art installation Standards and Double Standards by Rafael Lozano-Hemmer. The installation features an array of belts suspenโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

REACT-KD: Region-Aware Cross-modal Topological Knowledge Distillation for Interpretable Medical Image Classification

Hongzhao Chen, Hexiao Ding, Yufeng Jiang, Jing Lan, Ka Chun Li, Gerald W.Y. Cheng, Nga-Chun Ng, Yao Pu, Jing Cai, Liang-ting Lin, Jung Sun Yoo ยท 2025

Reliable and interpretable tumor classification from clinical imaging remains a core challenge. The main difficulties arise from heterogeneous modality quality, limited annotations, and the absence ofโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Learning collision risk proactively from naturalistic driving data at scale

Yiru Jiao, Simeon C. Calvert, Sander van Cranenburgh, Hans van Lint ยท 2025

Accurately and proactively alerting drivers or automated systems to emerging collisions is crucial for road safety, particularly in highly interactive and complex urban environments. Existing methods โ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

GauTOAO: Gaussian-based Task-Oriented Affordance of Objects

Jiawen Wang, Dingsheng Luo ยท 2024

When your robot grasps an object using dexterous hands or grippers, it should understand the Task-Oriented Affordances of the Object(TOAO), as different tasks often require attention to specific partsโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

COVID-19 Detection Based on Blood Test Parameters using Various Artificial Intelligence Methods

Kavian Khanjani, Seyed Rasoul Hosseini, Hamid Taheri, Shahrzad Shashaani, Mohammad Teshnehlab ยท 2024

In 2019, the world faced a new challenge: a COVID-19 disease caused by the novel coronavirus, SARS-CoV-2. The virus rapidly spread across the globe, leading to a high rate of mortality, which promptedโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Continuous Jumping of a Parallel Wire-Driven Monopedal Robot RAMIEL Using Reinforcement Learning

Kento Kawaharazuka, Temma Suzuki, Kei Okada, Masayuki Inaba ยท 2024

We have developed a parallel wire-driven monopedal robot, RAMIEL, which has both speed and power due to the parallel wire mechanism and a long acceleration distance. RAMIEL is capable of jumping high โ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

RAMIEL: A Parallel-Wire Driven Monopedal Robot for High and Continuous Jumping

Temma Suzuki, Yasunori Toshimitsu, Yuya Nagamatsu, Kento Kawaharazuka, Akihiro Miki, Yoshimoto Ribayashi, Masahiro Bando, Kunio Kojima, Yohei Kakiuchi, Kei Okada, Masayuki Inaba ยท 2023

Legged robots with high locomotive performance have been extensively studied, and various leg structures have been proposed. Especially, a leg structure that can achieve both continuous and high jumpsโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Heuristic Search for Path Finding with Refuelling

Shizhe Zhao, Anushtup Nandy, Howie Choset, Sivakumar Rathinam, Zhongqiang Ren ยท 2023

This paper considers a generalization of the Path Finding (PF) problem with refuelling constraints referred to as the Gas Station Problem (GSP). Similar to PF, given a graph where vertices are gas staโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Significance of Medium-Wave AM Radio Broadcasting for Enhanced Disaster Resilience in Japan: A Case Study in the Kanto Region and Fukui using Nonpowered HOOPRA

Eiichi Shoji ยท 2023

On the occasion of centenary anniversary of the Great Kanto Earthquake and commencement of radio broadcasting in Japan, this study reiterates the paramount importance of medium-wave (MW) AM broadcastiโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

GPU-Accelerated Compression and Visualization of Large-Scale Vessel Trajectories in Maritime IoT Industries

Yu Huang, Yan Li, Zhaofeng Zhang, Ryan Wen Liu ยท 2020

The automatic identification system (AIS), an automatic vessel-tracking system, has been widely adopted to perform intelligent traffic management and collision avoidance services in maritime Internet โ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Federated Learning for Task and Resource Allocation in Wireless High Altitude Balloon Networks

Sihua Wang, Mingzhe Chen, Changchuan Yin, Walid Saad, Choong Seon Hong, Shuguang Cui, H. Vincent Poor ยท 2020

In this paper, the problem of minimizing energy and time consumption for task computation and transmission is studied in a mobile edge computing (MEC)-enabled balloon network. In the considered networโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Simultaneous Detection of Multiple Appliances from Smart-meter Measurements via Multi-Label Consistent Deep Dictionary Learning and Deep Transform Learning

Vanika Singhal, Jyoti Maggu, Angshul Majumdar ยท 2019

Currently there are several well-known approaches to non-intrusive appliance load monitoring rule based, stochastic finite state machines, neural networks and sparse coding. Recently several studies hโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Appointment scheduling model in healthcare using clustering algorithms

Niloofar Yousefi, Farhad Hasankhani, Mahsa Kiani, Nooshin Yousefi ยท 2019

In this study, we provided a scheduling procedure which is a combination of machine learning and mathematical programming that minimizes the waiting time of higher priority outpatients. Outpatients whโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Electrical Vehicle Charging Station Profit Maximization: Admission, Pricing, and Online Scheduling

Shuoyao Wang, Suzhi Bi, Ying Jun (Angela) Zhang, Jianwei Huang ยท 2017

The rapid emergence of electric vehicles (EVs) demands an advanced infrastructure of publicly accessible charging stations that provide efficient charging services. In this paper, we propose a new chaโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

An Exact Algorithm for a Fuel-Constrained Autonomous Vehicle Path Planning Problem

Kaarthik Sundar, Saravanan Venkatachalam, Sivakumar Rathinam ยท 2016

This paper addresses a fuel-constrained, autonomous vehicle path planning problem in the presence of multiple refueling stations. We are given a set of targets, a set of refueling stations, and a depoโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Stochastic Collection and Replenishment (SCAR) Optimisation for Persistent Autonomy

Andrew W. Palmer, Andrew J. Hill, Steven J. Scheding ยท 2016

Robots have a finite supply of resources such as fuel, battery charge, and storage space. The aim of the Stochastic Collection and Replenishment (SCAR) scenario is to use dedicated agents to refuel, rโ€ฆ

Read Paper โ†’