Explanipedia

Special Issue on Vehicle and Mobile Robot Technology (Part 1) Open

Yuki Minami, Kenji Sawada, Yuichiro SUEOKA, Hiroshi Okajima, Kazuma Sekiguchi · 2025

Recently, mobility technologies have undergone remarkable advances, with innovations such as autonomous driving and vehicle electrification, becoming increasingly integrated into society. The deployment of vehicle-to-vehicle (V2V) and vehi…

Crosswind Disturbance Compensation by Integrating Disturbance Estimation and Vehicle-to-Infrastructure Communication Open

Kotaro Ishihara, Yuki Minami, Masato Ishikawa · 2025

One of the main challenges in enhancing vehicle safety is mitigating the effects of disturbances such as crosswinds. This study focused on compensating for crosswind disturbances using vehicle-to-infrastructure (V2I) communication, which a…

Operability Improvement of Human-Machine Systems by Altering Visual Information: A Case-Study of the Inverted Pendulum Open

Kenta Tanaka, Yuki Minami, Masato Ishikawa · 2025

When humans operate machines such as cars and drones based on visual information, it is essential to improve the subjective operational feeling, avoid failures, and reduce the learning time, in other words, to improve operability. In this …

Data-driven command shaping for improved torque control accuracy of torsional dampers Open

Yong Liu, Yuki Minami · 2025

Automotive torsional dampers are designed to absorb torque fluctuations generated by the engine and deliver a smoother torque to the components located toward the rear. During the torsion evaluation test of these dampers, torsional torque …

D4Q: Data-Driven Design of Dynamic Quantizer – Proposal of Method and Experimental Validation– Open

Yusuke Fujimoto, Yuki Minami · 2025

Data-driven design of dynamic quantizers applicable to nonminimum phase systems Open

Yuki Minami · 2025

Removal and Fate of Quaternary Ammonium Compounds in Sewage Treatment Plants with Conventional Activated Sludge and Oxidation Ditch Processes Open

Seiya Hanamoto, Dingwen Yao, Tatsuya Osaka, Yuki Minami, Masato Honda · 2025

Verification Experiment of Data-driven Dynamic Quantizer Open

Yuji YOSHIDA, Yuki Minami, Masato Ishikawa, Yusuke Fujimoto · 2025

Noise-Shaping Quantization Harmonized by Training Data for Compaction of Neural Networks Open

Naoki Tsubone, Yuki Minami, Masato Ishikawa · 2024

Improving Effciency of Reinforcement Learning by Information Alteration: Open

Kenta Tanaka, Yuki Minami, Masato Ishikawa · 2024

NQLib: A Python library for noise-shaping quantizer synthesis Open

Kenta Tanaka, Yuki Minami, Masato Ishikawa · 2024

Quantizers play an important role in discrete-valued input control. This study aims to develop a practical dynamic quantizer design toolbox in Python. This paper first provides some background on dynamic quantizers. Next, an overview of dy…

Filtering Function to Mitigate the Impact of Cyber Attacks in Cooperative Adaptive Cruise Control Open

Takuma Fujimoto, Kenji Sawada, Yuki Minami, Katsuhiko SANDO · 2024

Among automated driving technologies, adaptive cruise control (ACC), which controls the distance between vehicles and their relative speed, is becoming popular. Cooperative ACC (CACC) uses vehicle-to-vehicle communication and sensors to co…

Factors Affecting Mass Inflow of Quaternary Ammonium Compounds into Japanese Sewage Treatment Plants Open

Seiya Hanamoto, Dingwen Yao, Tatsuya Osaka, Yuki Minami, Masato Honda · 2024

Introduction to The Learner Development Journal Issue 7: Challenging the Conventions of Learner Development Research Open

Aya Hayasaki, Ryo Moriya, Akiko Takagi, Takeo Tanaka, Yuki Minami · 2023

Why "Challenging the Conventions"?Ellen: The shared global story of 2020-23 challenged many assumptions about teaching and learning, as the pandemic forced us to embrace online teaching under emergency remote conditions, study abroad was c…

The Role of Practitioner Research in Exploring Learner Autonomy for In-service Teachers: A Retrospective Case Study Open

Akiko Takagi, Takeo Tanaka, Yuki Minami · 2023

This study is a classroom-based case study on emotion regulation (ER) in the English as a foreign language (EFL) classroom. In order to clarify the influence of peer interaction on ER, this study aimed to: (a) identify the types of emotion…

Speed Control of Mobile Robots Using Vibration Stimuli from Bumpy Road Surface Open

Ryosuke Mizoguchi, Yuki Minami, Masato Ishikawa · 2023

Speed bumps and rumble strips have been introduced into the traffic infrastructure to improve traffic safety. When a vehicle travels on a road where speed bumps and rumble strips are installed, vibration stimuli are transmitted to the driv…

Speed Control of a Mobile Robot Using Confidence of an Image Recognition Model Open

Hiroto Kawahata, Yuki Minami, Masato Ishikawa · 2023

Convolutional neural networks (CNNs) are often used for image recognition in automatic driving applications. Object recognition by a CNN generally uses a confidence score, which expresses the degree of recognition certainty. In most cases,…

Special Issue on Navigation and Control Technologies for Autonomous Mobility Open

Yuki Minami, Hiroshi Okajima, Kenji Sawada, Kazuma Sekiguchi · 2023

Autonomous mobility, as exemplified by self-driving cars, autonomous mobile robots, drones, etc., is essential to the acceleration and practical application of transportation services and the automation of delivery, guidance, security, and…

Velocity control of mobile robots using Pace Maker Light system Open

Yusuke MITANI, Shura Suzuki, Yuki Minami, Masato Ishikawa · 2023

Automated driving is attracting attention as a technology that can improve the convenience and comfort of mobility. Research on automated driving continues to develop not only in the approach of vehicle automation but also in the approach …

Nonlinear Compensator Design Using Data-driven Feedback Modulator Open

Yuji YOSHIDA, Masato Ishikawa, Yuki Minami · 2023

Nonlienar compensator design is an important issue that affects performance of control systems as a whole. Despite its importance, the actual nonlinearity we encounter differs from case to case. Thus systematic design and adjustment of non…

Design of Switching-type Dynamic Quantizers for Continuous-Time Nonlinear Systems Open

Yugo Ogio, Yuki Minami, Masato Ishikawa · 2023

This paper focuses on designing discrete-valued input systems using dynamic quantizers, which convert continuous-valued signals into discrete ones. Although the optimal design of dynamic quantizer is much studied, there are some unresolved…

A Model-tuning Approach to Sampled-data Dynamic Quantizer Design Open

Yugo Ogio, Yuki Minami, Masato Ishikawa · 2023

Despite extensive research on the optimal design of dynamic quantizers for discrete-valued input systems, the design problem concerning sampled-data quantizers for continuous-time systems remains unexplored. Thus, this paper formulated the…

Localized Pollution of Veterinary Antibiotics in Watersheds Receiving Treated Effluents from Swine Farms Open

Seiya Hanamoto, Yuki Minami, Su Su Thet Hnin, Dingwen Yao · 2023

Risk factors for postoperative delirium on oxygen delivery-guided perfusion Open

Hiroshi Mukaida, Satoshi Matsushita, Yuki Minami, Go Sato, Masato Usuba , et al. · 2022

Relation between fluctuations and efficiency at maximum power for small heat engines Open

Guohua Xu, Chao Jiang, Yuki Minami, Gentaro Watanabe · 2022

We study the ratio between the variances of work output and heat input, $η^{(2)}$, for a class of four-stroke heat engines which covers various typical cycles. Recent studies on the upper and lower bounds of $η^{(2)}$ are based on the quas…

Grayscale Image Segmentation based on Topological Data Analysis Open

Yugo Ogio, Yuki Minami, Masato Ishikawa · 2021

In this paper, we applied topological data analysis (TDA) to the segmentation of grayscale images. TDA is a method to extract topological features such as hollows from data. It is expected that we can segment images because we can regard o…

Prediction governors: Optimal solutions and application to electric power balancing control Open

Yuki Minami, Shun‐ichi Azuma · 2021

One of the control problems drawing engineers' and researchers' attention is the tracking control with predicted reference signals. The applications of this control problem are found in electric power control systems, automatic driving sys…

Tuning of Feedback Linearization Controller Based on FRIT Method Open

Tadahiro KATO, Masato Ishikawa, Yuki Minami · 2021

In this study, we propose a new parameter tuning method for robotic manipulators which enables to tune linear feedback gain and dynamical parameters in exact linearization controller from only one-shot experimental data. This method is an …

Active Sensing and Control of a Mobile Robot Considering Uncertainly of Path Prediction Open

Tomohiro Kitaoka, Yuki Minami, Masato Ishikawa · 2020

Vibration‐based motion generation without any sensor or microprocessor Open

Yoichi MASUDA, Yuki Minami, Masato Ishikawa · 2020

This article describes a decentralized controller that generates periodic motion patterns of general mechanical systems with multiple actuators, and its extremely simple implementation. The controller synchronizes the coupled dynamics of a…

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