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🔍 yuichi tanaka 📂 Engineering
Showing 137 results for "yuichi tanaka" in Engineering
Engineering Preprint PDF DOI

A 21-24 GHz Low-Phase-Noise mmWave VCO with Third-Harmonic Expansion using a Triple-Coupled Transformer based Tank

Narahari N. Moudhgalya · 2026

This work presents the design and analysis of a sixth-order triple-coupled transformer-based tank, enabling third-harmonic expansion for mmWave VCOs. Unlike conventional fourth-order tanks, the propos…

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Engineering Preprint PDF DOI

Wave Tank Experiment for Sea State Monitoring with Distributed Acoustic Sensing

Yoshiyuki Yajima, Sakiko Mishima, Noriyuki Tonami, Tomoyuki Hino, Shugo Aibe, Junichiro Saikawa, Koji Mizuguchi · 2026

Monitoring sea states across the offshore wind farm areas is essential to keep their structures safe, efficiently operate the systems, and assess the environmental effects of wind turbines. Convention…

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Engineering Preprint PDF DOI

Learning to Trust AI and Data-driven models in Data Assimilation through a Multifidelity Ensemble Gaussian Mixture Filter Framework

Andrey A. Popov · 2026

AI and data-driven models have large potential for data assimilation applications by creating fast and accurate forecasts. Their tendency to produce spurious inaccurate, nonphysical results -- halluci…

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Engineering Preprint PDF DOI

"You've got a friend in me": Co-Designing a Peer Social Robot for Young Newcomers' Language and Cultural Learning

Neil Fernandes, Cheng Tang, Tehniyat Shahbaz, Alex Hauschildt, Emily Davies-Robinson, Yue Hu, Kerstin Dautenhahn · 2026

Community literacy programs supporting young newcomer children in Canada face limited staffing and scarce one-to-one time, which constrains personalized English and cultural learning support. This pap…

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Engineering Preprint PDF DOI

Towards Flexible Spectrum Access: Data-Driven Insights into Spectrum Demand

Mohamad Alkadamani, Amir Ghasemi, Halim Yanikomeroglu · 2026

In the diverse landscape of 6G networks, where wireless connectivity demands surge and spectrum resources remain limited, flexible spectrum access becomes paramount. The success of crafting such schem…

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Engineering Preprint PDF DOI

Vector Certificates for $\omega$-regular Specifications

Mohammed Adib Oumer, Vishnu Murali, Majid Zamani · 2026

The recently introduced notions of ranking functions and closure certificates utilize well-foundedness arguments to facilitate the verification of dynamical systems against $\omega$-regular properties…

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Engineering Preprint PDF DOI

Stochastic Power-Water Coordination: Unlocking Flexibility in Hybrid RO Desalination Plants via Variable-Speed Pumps and Tank Mixing

Rongxing Hu, Charalambos Konstantinou · 2026

Water desalination plants (DPs) are among the most critical infrastructures and largest electricity loads in water-scarce regions worldwide. Although reverse osmosis (RO) desalination is the most ener…

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Engineering Preprint PDF DOI

Reinforcement learning with timed constraints for robotics motion planning

Zhaoan Wang, Junchao Li, Mahdi Mohammad, Shaoping Xiao · 2025

Robotic systems operating in dynamic and uncertain environments increasingly require planners that satisfy complex task sequences while adhering to strict temporal constraints. Metric Interval Tempora…

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Engineering Preprint PDF DOI

Cost and Complexity as Barriers to RTLS Adoption in SMEs: A Survey and Analysis

Peyman Moeini, Mark Coates · 2025

Real-time location systems (RTLSs) are central to Industry 4.0 and emerging Industry 5.0, providing the spatiotemporal data required for asset tracking, workflow optimization, safety, and integration …

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Engineering Preprint PDF DOI

Real-Time Non-Smooth MPC for Switching Systems: Application to a Three-Tank Process

Hendrik Alsmeier, Felix Hausser, Andreas Knodler, Armin Nurkanovic, Anton Pozharskiy, Moritz Diehl, Rolf Findeisen · 2025

Real-time model predictive control of non-smooth switching systems remains challenging due to discontinuities and the presence of discrete modes, which complicate numerical integration and optimizatio…

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Engineering Preprint PDF DOI

SAGAS: Semantic-Aware Graph-Assisted Stitching for Offline Temporal Logic Planning

Ruijia Liu, Ancheng Hou, Shaoyuan Li, Xiang Yin · 2025

Linear Temporal Logic (LTL) provides a rigorous framework for complex robotic tasks, yet existing methods often rely on accurate dynamics models or expensive online interactions. In this work, we addr…

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Engineering Preprint PDF DOI

Connectivity-Aware Task Offloading for Remote Northern Regions: a Hybrid LEO-MEO Architecture

Mohammed Almekhlafi, Antoine Lesage-Landry, Gunes Karabulut Kurt · 2025

Arctic regions, such as northern Canada, face significant challenges in achieving consistent connectivity and low-latency computing services due to the sparse coverage of Low Earth Orbit (LEO) satelli…

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Engineering Preprint PDF DOI

$\rm{A}^{\rm{SAR}}$: $\varepsilon$-Optimal Graph Search for Minimum Expected-Detection-Time Paths with Path Budget Constraints for Search and Rescue (SAR)

Eric Mugford, Jonathan D. Gammell · 2025

Searches are conducted to find missing persons and/or objects given uncertain information, imperfect observers and large search areas in Search and Rescue (SAR). In many scenarios, such as Maritime SA…

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Engineering Preprint PDF DOI

Multi-Representation Attention Framework for Underwater Bioacoustic Denoising and Recognition

Amine Razig, Youssef Soulaymani, Loubna Benabbou, Pierre Cauchy · 2025

Automated monitoring of marine mammals in the St. Lawrence Estuary faces extreme challenges: calls span low-frequency moans to ultrasonic clicks, often overlap, and are embedded in variable anthropoge…

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Engineering Preprint PDF DOI

Competitive EV charging station location with queues

The Minh Nguyen, Nagisa Sugishita, Margarida Carvalho, Amira Dems · 2025

Electric vehicle (EV) public charging infrastructure planning faces significant challenges in competitive markets, where multiple service providers affect congestion and user behavior. This work exten…

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Engineering Preprint PDF DOI

Multi-Robot Task Planning for Multi-Object Retrieval Tasks with Distributed On-Site Knowledge via Large Language Models

Kento Murata, Shoichi Hasegawa, Tomochika Ishikawa, Yoshinobu Hagiwara, Akira Taniguchi, Lotfi El Hafi, Tadahiro Taniguchi · 2025

It is crucial to efficiently execute instructions such as "Find an apple and a banana" or "Get ready for a field trip," which require searching for multiple objects or understanding context-dependent …

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Engineering Preprint PDF DOI

Taming Spontaneous Stop-and-Go Traffic Waves: A Bifurcation Perspective of A Dynamical Map

Suzhou Huang, Jian Hu · 2025

We consider a discrete-time dynamical system in a car-following context. The system was recently introduced to parsimoniously model human driving behavior based on utility maximization. The parameters…

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Engineering Preprint PDF DOI

Taming Spontaneous Stop-and-Go Traffic Waves: A Computational Mechanism Design Perspective

Di Shen, Qi Dai, Suzhou Huang, Dimitar Filev · 2025

It is well known that stop-and-go waves can be generated spontaneously in traffic even without bottlenecks. Can such undesirable traffic patterns, induced by intrinsic human driving behaviors, be tame…

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Engineering Preprint PDF DOI

AP-observation Automata for Abstraction-based Verification of Continuous-time Systems (Extended Version)

Sasinee Pruekprasert, Clovis Eberhart · 2025

A key challenge in abstraction-based verification and control under complex specifications such as Linear Temporal Logic (LTL) is that abstract models retain significantly less information than their …

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Engineering Preprint PDF DOI

Can General-Purpose Omnimodels Compete with Specialists? A Case Study in Medical Image Segmentation

Yizhe Zhang, Qiang Chen, Tao Zhou · 2025

The emergence of powerful, general-purpose omnimodels capable of processing diverse data modalities has raised a critical question: can these ``jack-of-all-trades'' systems perform on par with highly …

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