Yoshihiro SUDA
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View article: Study on Automated Valet Parking System using Multi-row Parking Berth with Circuit Path
Study on Automated Valet Parking System using Multi-row Parking Berth with Circuit Path Open
In this study, using a parking lot of a large-scale commercial facility in the suburbs of Tokyo as a case study, we identified challenges in the parking lot and the value that can be created by using an automated valet parking system. The …
View article: Antihelium-3 Sensitivity for the GRAMS Experiment
Antihelium-3 Sensitivity for the GRAMS Experiment Open
The Gamma-Ray and AntiMatter Survey (GRAMS) is a next-generation balloon/satellite mission utilizing a Liquid Argon Time Projection Chamber (LArTPC) detector to measure both MeV gamma rays and antinuclei produced by dark matter annihilatio…
View article: Localization for Autonomous Vehicles Using Environmental Magnetic Field Aided by Magnetic Markers
Localization for Autonomous Vehicles Using Environmental Magnetic Field Aided by Magnetic Markers Open
Vehicle localization is one of the key technical factors for autonomous vehicles. It requires high accuracy, precision, and robustness towards various road conditions. Popular localization methods include global navigation satellite system…
View article: Physiological Responses Related to Sitting Comfort Due to Changes in Seat Parameters
Physiological Responses Related to Sitting Comfort Due to Changes in Seat Parameters Open
The design of vehicle cabin seats is crucial in transportation, as it directly affects the safety and comfort of both drivers and passengers. To design seat parameters that enhance sitting comfort, a quantitative evaluation of sitting comf…
View article: Study on a Deterrent against Deer Collisions in Railway Operation Environment
Study on a Deterrent against Deer Collisions in Railway Operation Environment Open
This paper introduces a study on the efficacy of a bird deterrent, the "Marine Saponin", to deer in a real railway operation environment.This deterrent has been developed for years but has not yet been tested in the transportation aspect.A…
View article: Validation of Control Method to Improve Posture Stability of Narrow Tilting Vehicles Using Real-Vehicle Dynamic Tests
Validation of Control Method to Improve Posture Stability of Narrow Tilting Vehicles Using Real-Vehicle Dynamic Tests Open
Narrow Tilting Vehicles (NTVs) have been proposed as a solution to traffic problems such as congestion and limited parking spaces. However, their small footprint can lead to a reduction in postural stability. To address this issue, NTVs ha…
View article: Mapping and Localization Method for Autonomous Vehicles on Roads Using Environmental Magnetic Field
Mapping and Localization Method for Autonomous Vehicles on Roads Using Environmental Magnetic Field Open
Vehicle localization is one of the key technical factors for autonomous vehicles. It requires high accuracy, precision, and robustness towards various road conditions. Popular localization methods include global navigation satellite system…
View article: Data Acquisition for Abnormality Detection using an Experimental Bogie on Test Track
Data Acquisition for Abnormality Detection using an Experimental Bogie on Test Track Open
Actual data on the state of the vehicle leading to derailment is necessary for research on the detection of derailment signs of railway vehicles.In this paper, the acquisition of data on the state leading to wheel climb of the experimental…
View article: Visualization of Wheel-Rail Contact Position of Experimental Bogie to reduce Curve Passing Resistance
Visualization of Wheel-Rail Contact Position of Experimental Bogie to reduce Curve Passing Resistance Open
In this paper, the result of visualization of the contact position between the wheel and the rail when the experimental bogie passes the curve is shown.The change in contact position during the transition process from straight section to c…
View article: Following control of inverted pendulum type personal transporter using camera
Following control of inverted pendulum type personal transporter using camera Open
In recent years, the demand of Personal Transporter(PT) is rising because of high demand for short-distance transportation and increasing the awareness of environmental protection. Among them, the inverted pendulum type personal transporte…
View article: Data Resampling and Ensemble Learning for Vehicle Class and Orientation Detection
Data Resampling and Ensemble Learning for Vehicle Class and Orientation Detection Open
Road rutting is a severe road distress that can cause premature failure of\nroad incurring early and costly maintenance costs. Research on road damage\ndetection using image processing techniques and deep learning are being\nactively condu…
View article: Autonomous Bus Pilot Project Testing and Demonstration using Light Rail Transit Track
Autonomous Bus Pilot Project Testing and Demonstration using Light Rail Transit Track Open
The rapidly aging society of Japan requires a quality transportation system that provides new mobility services combining innovative technologies to include all residents. The present study carries out a pilot test of the world’s first con…
View article: Role of Universities and Venture Companies for Social Implementation of Autonomous Driving
Role of Universities and Venture Companies for Social Implementation of Autonomous Driving Open
自動運転の社会実装に向けて世界各地において鋭意実証実験等が進められている。このうち、大学、ベンチャー企業における研究開発等は、技術開発のみならず社会受容性の醸成、制度整備、ビジネスモデル検討など、モビリティ社会におけるエコシステム構築に大きな役割を担ってきた。今までの実績と動向を紹介する。
View article: Vehicle Localization Using Magnetic Markers Incorporating EKF and Maximum Likelihood Estimation
Vehicle Localization Using Magnetic Markers Incorporating EKF and Maximum Likelihood Estimation Open
Vehicle localization is an important technical factor in autonomous driving vehicles. Particularly, accurate and precise information about the vehicle position should be obtained, with robustness towards various weather and road conditions…
View article: Acquisition of abnormal state data including railway wheel climb using testing bogie on chiba test truck 2 of the university of tokyo
Acquisition of abnormal state data including railway wheel climb using testing bogie on chiba test truck 2 of the university of tokyo Open
This paper introduces the data acquisition efforts of abnormal condition data including wheel climbing on the Test Track, and the approach to data analysis. This is part of research on derailment sign detection for railway vehicles.
View article: Influence of Minimal Risk Maneuver for Automated Driving Vehicle on Traffic Safety and Efficiency
Influence of Minimal Risk Maneuver for Automated Driving Vehicle on Traffic Safety and Efficiency Open
A minimal risk maneuver (MRM) stops a vehicle in a case when an event occurs that interferes with safety driving such as a driver unwellness, system malfunction, or unforeseeable events in the driving environment. Appropriate stopping meth…
View article: Attempts and initiatives for mobility research including guideway transportation at the Mobility Experimental Field of the University of Tokyo
Attempts and initiatives for mobility research including guideway transportation at the Mobility Experimental Field of the University of Tokyo Open
This paper describes several trials performed CHIBA test track 2 in the university of tokyo. These trials including a low-speed wheel climbing test using test trolley, expansion of facilities on CHIBA test track 2, coloring of track and bo…
View article: Effects of Traffic-related Environmental Factors on Acceptability and Safety of Truck Platooning for Peripheral Drivers: A Simulator Study
Effects of Traffic-related Environmental Factors on Acceptability and Safety of Truck Platooning for Peripheral Drivers: A Simulator Study Open
Truck platooning is one of the expected systems using automated driving technology based on cooperated adaptive cruise control (CACC) as a solution to problems such as fuel efficiency and lack of driver. To implement the truck platooning s…
View article: Construction of a simulator for the safety assessment of inverted pendulum personal transporters
Construction of a simulator for the safety assessment of inverted pendulum personal transporters Open
In recent years, inverted pendulum personal transporters ( PT ) which have excellent visibility and operability have been used mainly in Europe and the USA, but accidents due to driver inattention have been reported. Therefore, a driving a…
View article: Evaluation of fall prevention effect and comfort of active pitch control by analyzing passenger behavior and subjective assessment for simulated vehicle movements
Evaluation of fall prevention effect and comfort of active pitch control by analyzing passenger behavior and subjective assessment for simulated vehicle movements Open
Automated driving shuttles are hoped to provide convenient mobility services in rural areas. The social implementation of the automated driving vehicle must require prior discussion of the safety and comfort of passengers. Active pitch con…
View article: How can design help enhance trust calibration in public autonomous vehicles?
How can design help enhance trust calibration in public autonomous vehicles? Open
Trust is a multilayered concept with critical relevance when it comes to introducing new technologies. Understanding how humans will interact with complex vehicle systems and preparing for the functional, societal and psychological aspects…
View article: Analysis of the feature of index values proposed for evaluation of the bogie using on-track condition monitoring system
Analysis of the feature of index values proposed for evaluation of the bogie using on-track condition monitoring system Open
In order to improve the running safety of railway vehicles, it is important to evaluate the condition of the bogie and the contact condition between the wheels and the rails. For this purpose, various evaluation indicators using the wheel …
View article: Dynamic Stabilization and Improvement of Curve Passing Performance of Independent Rotating Wheels
Dynamic Stabilization and Improvement of Curve Passing Performance of Independent Rotating Wheels Open
Light Rail Vehicles (LRV) which are predominantly popular in Light Rail Transits (LRT) employ Independently-Rotating-Wheels (IRW) to meet their low-floor height requirements, however, its self-centering and self-steering properties are ins…
View article: Attempt about the real thing considering digital and post-pandemic on the chiba test line
Attempt about the real thing considering digital and post-pandemic on the chiba test line Open
The Chiba Test Line is part of the ITS R&R Experimental Field located in the Institute of Industrial Science, the university of tokyo. It is used in orbital research, concept proof, testing, education and enlightenment. On the other hand, …