Expertini Research Research

Browse Research Papers

503+ open-access research outputs.

โœ• Clear
๐Ÿ” jun chen ๐Ÿ“‚ Engineering
Showing 503 results for "jun chen" in Engineering
Engineering Preprint PDF DOI

When to Act: Calibrated Confidence for Reliable Human Intention Prediction in Assistive Robotics

Johannes A. Gaus, Winfried Ilg, Daniel Haeufle ยท 2026

Assistive devices must determine both what a user intends to do and how reliable that prediction is before providing support. We introduce a safety-critical triggering framework based on calibrated prโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

TellWhisper: Tell Whisper Who Speaks When

Yifan Hu, Peiji Yang, Zhisheng Wang, Yicheng Zhong, Rui Liu ยท 2026

Multi-speaker automatic speech recognition (MASR) aims to predict ''who spoke when and what'' from multi-speaker speech, a key technology for multi-party dialogue understanding. However, most existingโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

When the Base Station Flies: Rethinking Security for UAV-Based 6G Networks

Ammar El Falou ยท 2025

The integration of non-terrestrial networks (NTNs) into 6G systems is crucial for achieving seamless global coverage, particularly in underserved and disaster-prone regions. Among NTN platforms, unmanโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

When Experts Speak:Sequential LLM-Bayesian Learning for Startup Success Prediction

Yidong Chai, Yanguang Liu, Xuan Tian, Jiaheng Xie, Yonghang Zhou ยท 2025

Evaluating startups is inherently challenging in entrepreneurial finance, where investors confront severe information asymmetry and limited quantitative data. Leveraging a novel expert network call daโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

When Future Communications Shift Toward Narrow Beams: A Forward Looking Survey on Pointing Errors and Alignment Limits

Meysam Ghanbari, Mohammad Taghi Dabiri, Osamah S. Badarneh, Mazen Hasna, Yazan H. Al-Badarneh, Mustafa K. Alshawaqfeh, Khalid Qaraqe ยท 2025

Directional links in free-space optical (FSO), millimeter-wave (mmWave), and terahertz (THz) systems are a cornerstone of emerging 6G networks, yet their reliability is fundamentally limited by pointiโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Power feedback strategy based on efficiency trajectory analysis for HCPV sun tracking

Manuel G. Satue, Fernando Castano, Manuel G. Ortega, Francisco R. Rubio ยท 2025

This paper presents a control strategy for sun trackers which adapts continuously to different sources of error, avoiding the necessity of any kind of calibration by analyzing the produced electric poโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

When Robots Say No: The Empathic Ethical Disobedience Benchmark

Dmytro Kuzmenko, Nadiya Shvai ยท 2025

Robots must balance compliance with safety and social expectations as blind obedience can cause harm, while over-refusal erodes trust. Existing safe reinforcement learning (RL) benchmarks emphasize phโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

When to compute in space

Rajiv Thummala, Gregory Falco ยท 2025

Spacecraft increasingly rely on heterogeneous computing resources spanning onboard flight computers, orbital data centers, ground station edge nodes, and terrestrial cloud infrastructure. Selecting whโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Intertemporal Hedging Demand under Epstein-Zin Preferences in a Multi-Asset Long-Run Risk Model: Evidence from Projected Pontryagin-Guided Deep Policy Optimization

Wonchan Cho ยท 2025

I study intertemporal hedging demand in a continuous-time multi-asset long-run risk (LRR) model under Epstein--Zin (EZ) recursive preferences. The investor trades a risk-free asset and several risky aโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Relaying Signal When Monitoring Traffic: Double Use of Aerial Vehicles Towards Intelligent Low-Altitude Networking

Jiahui Liang, Wenlihan Lu, Tianyi Liu, Kang Kang, Guixin Pan, Liuqing Yang, Xinhu Zheng, Shijian Gao ยท 2025

In intelligent low-altitude networks, integrating monitoring tasks into communication unmanned aerial vehicles (UAVs) can consume resources and increase handoff latency for communication links. To addโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Fast Functionally Redundant Inverse Kinematics for Robotic Toolpath Optimisation in Manufacturing Tasks

Andrew Razjigaev, Hans Lohr, Alejandro Vargas-Uscategui, Peter King, Tirthankar Bandyopadhyay ยท 2025

Industrial automation with six-axis robotic arms is critical for many manufacturing tasks, including welding and additive manufacturing applications; however, many of these operations are functionallyโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

See Once, Then Act: Vision-Language-Action Model with Task Learning from One-Shot Video Demonstrations

Guangyan Chen, Meiling Wang, Qi Shao, Zichen Zhou, Weixin Mao, Te Cui, Minzhao Zhu, Yinan Deng, Luojie Yang, Zhanqi Zhang, Yi Yang, Hua Chen, Yufeng Yue ยท 2025

Developing robust and general-purpose manipulation policies represents a fundamental objective in robotics research. While Vision-Language-Action (VLA) models have demonstrated promising capabilities โ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Run-to-Run Indirect Trajectory Tracking Control of Electromechanical Systems Based on Identifiable and Flat Models

Eloy Serrano-Seco, Edgar Ramirez-Laboreo, Eduardo Moya-Lasheras ยท 2025

Differentially flat models are frequently used to design feedforward controllers for electromechanical systems. However, control performance depends on model accuracy, which makes feedback imperative.โ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Adapt and Stabilize, Then Learn and Optimize: A New Approach to Adaptive LQR

Peter A. Fisher, Anuradha M. Annaswamy ยท 2025

This paper focuses on adaptive control of the discrete-time linear quadratic regulator (adaptive LQR). Recent literature has made significant contributions in proving non-asymptotic convergence rates,โ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

Deteccion de intrusiones en redes mediante algoritmos de aprendizaje automatico: Un estudio multiclase sobre el conjunto de datos NSL-KDD

Luis Miguel Osco Vasquez ยท 2025

Intrusion detection is a critical component of cybersecurity, responsible for identifying unauthorized access or anomalous behavior in computer networks. This paper presents a comprehensive study on iโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

"Why the face?": Exploring Robot Error Detection Using Instrumented Bystander Reactions

Maria Teresa Parreira, Ruidong Zhang, Sukruth Gowdru Lingaraju, Alexandra Bremers, Xuanyu Fang, Adolfo Ramirez-Aristizabal, Manaswi Saha, Michael Kuniavsky, Cheng Zhang, Wendy Ju ยท 2025

How do humans recognize and rectify social missteps? We achieve social competence by looking around at our peers, decoding subtle cues from bystanders - a raised eyebrow, a laugh - to evaluate the envโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

TokCom-UEP: Semantic Importance-Matched Unequal Error Protection for Resilient Image Transmission

Kaizheng Zhang, Zuolin Jin, Zhihang Cheng, Ming Zeng, Li Qiao, Zesong Fei ยท 2025

Based on the provided LaTeX code, here is the metadata for the submission form: Title: TokCom-UEP: Semantic Importance-Matched Unequal Error Protection for Resilient Image Transmission Author(s): Kaizโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

When Do Domain-Specific Foundation Models Justify Their Cost? A Systematic Evaluation Across Retinal Imaging Tasks

David Isztl, Tahm Spitznagel, Gabor Mark Somfai, Rui Santos ยท 2025

Large vision foundation models have been widely adopted for retinal disease classification without systematic evidence justifying their parameter requirements. In the present work we address two critiโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

When Motion Learns to Listen: Diffusion-Prior Lyapunov Actor-Critic Framework with LLM Guidance for Stable and Robust AUV Control in Underwater Tasks

Jingzehua Xu, Weiyi Liu, Weihang Zhang, Zhuofan Xi, Guanwen Xie, Shuai Zhang, Yi Li ยท 2025

Autonomous Underwater Vehicles (AUVs) are indispensable for marine exploration; yet, their control is hindered by nonlinear hydrodynamics, time-varying disturbances, and localization uncertainty. Tradโ€ฆ

Read Paper โ†’
Engineering Preprint PDF DOI

An Online Multiobjective Policy Gradient for Long-run Average-reward Markov Decision Process

Rahul Misra, Manuela L. Bujorianu, Rafa{l} Wisniewski ยท 2025

We propose a reinforcement learning (RL) framework for multi-objective decision-making, where the agent seeks to optimize a vector of rewards rather than a single scalar value. The objective is to ensโ€ฆ

Read Paper โ†’
โ† Prev Page 3 of 26 Next โ†’