A5101620753- Drilling and Well Engineering
- Reservoir Engineering and Simulation Methods
- Oil and Gas Production Techniques
- Underwater Vehicles and Communication Systems
- Hydraulic Fracturing and Reservoir Analysis
- Ergonomics and Musculoskeletal Disorders
- Numerical methods in engineering
- Real-time simulation and control systems
- Robotics and Sensor-Based Localization
- Robotic Path Planning Algorithms
- Robotic Locomotion and Control
- Effects of Vibration on Health
- Electric and Hybrid Vehicle Technologies
- Humic Substances and Bio-Organic Studies
- Advanced Combustion Engine Technologies
- Bauxite Residue and Utilization
- Occupational Health and Performance
- Modular Robots and Swarm Intelligence
- Electromagnetic Simulation and Numerical Methods
Inpex (Japan)
2023-2024
Kanagawa Institute of Technology
2016
Toyota Motor Corporation (Japan)
2012
Ritsumeikan University
2012
Tokushima University
2005
Ministry of Land, Infrastructure, Transport and Tourism
2005
Shikoku (Japan)
2005
Ministry of Land, Infrastructure and Transport
2005
Abstract This study investigates the profitability of early sign detection stuck pipes by considering trade-off between reducing nonproductive time (NPT) through and increasing NPT false alarms. Our objectives are to propose a hybrid approach combining physics-based knowledge data science, analyze timing alarms, improve model minimize evaluate quantifying reduction. proposed method combines science techniques, specifically capturing torque standpipe pressure increases. First, we enhance...
In this paper, we describe the development of a human-sized remotely operated vehicle (ROV) with dual-arm. The developed ROV was designed to perform biological researches, geological researches and archaeological explorations in Lake Biwa, biggest lake Japan. This has two distinguishing characteristics: one is dual-manipulator system other an attitude control system. size manipulators related human arm so that can do work divers usually using arms. capable keeping horizontal plane, purposely...
In the Shikoku area, it is eager to request an alternative fine aggregate in stead of natural sand, particular sea by reason prohibition borrowing sand Seto Island Sea. this study, fundamental properties concrete using copper slag (JIS A 5011-3) or second class fly ash 6201) as a part apply for plain structure investigated. It concluded that 20 mm coarse maximum size, 50% water-cement ratio and 40 60% up 30%, except case possible 20%, at volume percentage applicable structure.
To enhance the mobility of amphibious robots for multi-terrains tasks, we have proposed an eccentric paddle locomotion mechanism (ePaddle) with several feasible terrestrial and aquatic gaits. In this paper, present a rigid model predicting thrust force in one gaits, namely rotational paddling gait. Thrust forces calculated by demonstrate idea that relocating shaft eccentrically from its wheel center, rotating paddles will generate vectored swimming. The motion validity are verified...
Summary Early detection of stuck-pipe incidents is crucial because the enormous costs recovering from such incidents. Previous studies have leaned significantly toward a physics-based or data science approach. However, both approaches challenges, as uncertainty model and lack in In this study, we propose hybrid approach using physical insights discuss possibility prediction. The proposed method comprises two steps. first step, data-driven with trained historical in-situ well to estimate some...
The research aimed at assessing ones postural balance with weighted body against to externally perturbed situations. Kinetic features of dynamics under horizontal vibration was investigated in sagittal plane. A perturbation platform provided stimulate standing subject anterior-posterior direction random vibration. Postural movements and ground reaction forces were acquired by using an optical motion capture system a force plate mounted on the platform. Six healthy young male subjects...