Search Results - "Hirao, Akinari"

An Investigation of Early Detection of Driver Drowsiness Using Ensemble Machine Learning Based on Hybrid Sensing by Gwak, Jongseong, Hirao, Akinari, Shino, Motoki

“…Drowsy driving is one of the main causes of traffic accidents. To reduce such accidents, early detection of drowsy driving is needed. In previous studies, it…”
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Modeling of vehicle seat in lumped network model for ride comfort simulation by Han, Man Yong, Choi, Hyung Yun, Hirao, Akinari

“…Compared to the mesh-based finite element modeling, the lumped-network modeling is more useful for the multi-physical system and the simulation of many design…”
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Effect of Stabilizing Strategy on Head Kinematics of Occupant by Shin, Hyojin, Jung, Wonkyo, Choi, Hyung Yun, Hirao, Akinari

“…A total of 96 tests were conducted using a driving simulator with six male volunteers. The driving simulator produced a series of 4.8-second cycle motions that…”
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Pressure Sensitivity of Buttock and Thigh as a Key Factor for Understanding of Sitting Comfort by Hirao, Akinari, Naito, Shimpei, Yamazaki, Nobutoshi

“…In seating comfort research, it is known that the pressure should not exceed a certain threshold from the viewpoint of tissue compression and should be widely…”
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A Study of the Leg-Movement Characteristics of Young and Elderly People During Emergency Braking in Different Sitting Postures by Makita, Masashi, Hirao, Akinari, Fujii, Hiroaki

“…The number of traffic accidents and the number of fatalities are on a downward trend. On the other hand, the number of traffic accidents involving the elderly…”
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Effect of luminance of head-up displays on recognition of visual objects on roads by Hosokawa, Takashi, Hashimoto, Hiroshi, Tsui, Takayuki, Saito, Keisuke, Igarashi, Tomotaka, Hirao, Akinari

“…The purpose of this study is to investigate the effect of visual obstruction when a head-up display (HUD) is presented in front of a driver's field of view…”
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Development of Evaluating Methods for Passenger’s Motion Sickness in Real Driving Environment by Bando, Shizuka, Shiogai, Yuri, Hirao, Akinari

“…With the commercialization of autonomous driving technology and diversification of how passengers spend their time, it is concerned that a mismatch between…”
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Repeated Thermal Stimulation by Cabin Temperature for Keeping Arousal and Thermal Comfort of Driver by Gwak, Jongseong, Yoshinami, Yuzuru, Hirao, Akinari, Shino, Motoki

“…Indoor temperature affects the arousal level and thermal comfort of drivers. In this study, we aim to prevent the drowsy state and to improve the thermal…”
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A systematic analysis of seating research knowledge based on Multispace design model by Akinari HIRAO, Mikako ARITA, YoonHae KIM, Yoshiyuki MATSUOKA

“…Person has spent most of the day in a sitting posture. In recent years, there has been a growing attention to the "seating comfort" researches. However,…”
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Early Detection of Driver Drowsiness Utilizing Machine Learning based on Physiological Signals, Behavioral Measures, and Driving Performance by Gwak, Jongseong, Shino, Motoki, Hirao, Akinari

“…Driver drowsiness is one of the most causes of traffic accidents worldwide. To prevent such accidents, it is necessary to detect driver drowsiness as early as…”
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Quantitative analysis of transient body behavior during lateral-directional motion of vehicle occupant by Yuichiro HAYASHI, Kazunori HASE, Shoichiro TAKEHARA, Toshikazu TORIGAKI, Akinari HIRAO, Yoshihiro KUDO, Yusuke YAMAMOTO

“…Recently, in the human-centered design of the car seat, mutual interactive relationship based on structural dynamics of the human-machine system has been…”
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Engineering movement into automotive seating: Does the driver feel more comfortable and refreshed? by Varela, Maria, Gyi, Diane, Mansfield, Neil, Picton, Richard, Hirao, Akinari, Furuya, Tomokazu

“…The concept of introducing movement in automotive seating was investigated. Three seat conditions, a control (no movement) and two movement conditions…”
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Relationship between pedestrian detection specifications of parking sensor and potential safety benefits by Kikuchi, Kazunori, Hashimoto, Hiroshi, Hosokawa, Takashi, Nawata, Katsumi, Hirao, Akinari

“…•A detection distance of 0.8 m is required for clearance sonar to contribute to safety.•MALSO may reduce half of pedestrian crashes when reversing.•Crash…”
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Magnetic Field Generating Thermal Instability Including the Nernst Effect by Hirao, Akinari, Ogasawara, Masatada

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Comparison of Weibel Instability and Magnetic Field Generating Thermal Instability by Ogasawara, Masatada, Hirao, Akinari

“…Comparison of the mechanisms of the Weibel instability and the field generating thermal instability is made on the basis of the Boltzmann equation. The case…”
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Hydrodynamic Effects on Field-Generating Thermal Instability in Laser-Heated Plasma by Ogasawara, Masatada, Hirao, Akinari, Ohkubo, Hideyuki

“…Supersonic outward flow and hydrodynamic perturbations are taken into account in the analysis of the magnetic field generating thermal instability. In the…”
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Quantitative biomechanical analysis of transient body behavior during lateral-directional motion of vehicle occupant by Hayashi, Yuichiro, Hase, Kazunori, Takehara, Shoichiro, Torigaki, Toshikazu, Hirao, Akinari, Kudo, Yoshihiro, Yamamoto, Yusuke

“…In the design of a unified system by human and car seat, comprehensive methodology as the technique including principle and structure of mutual dynamic systems…”
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Evaluations of Physical Fatigue during Long-term Driving with a New Driving Posture by Hirao, Akinari, Kato, Kazuhito, Kitazaki, Satoshi

“…In a previous study, we developed and validated a new driving posture focused on biomechanical loads for physical fatigue reduction in static long-term…”
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