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Dive into the research topics where Yoshiaki Naganuma is active.

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Featured researches published by Yoshiaki Naganuma.


SAE transactions | 2003

Development of fuel-cell hybrid bus

Tatsuaki Yokoyama; Yoshiaki Naganuma; Katsushi Kuriyama; Makoto Arimoto

In order to improve air quality and to reduce urban noise, Toyota Motor Corporation has developed a fuel cell hybrid bus, FCHV-BUS2, in cooperation with HINO Motors, Ltd. The FCHV-BUS2 is based on a HINO low floor city bus model, and powered by a hydrogen fuel cell hybrid system. Hydrogen is stored in high pressure tanks on the bus roof. Based on the Toyota fuel cell hybrid technology for passenger cars, this fuel cell hybrid bus is equipped with two fuel cell stacks, two traction motors and four secondary batteries, making its vehicle efficiency approximately 1.7 times better than the diesel engine powered bus. The vehicle efficiency is boosted by charging the secondary batteries with regenerated energy while deceleration and by stopping the fuel cell stack(s) power generation during low fuel cell power modes.


Archive | 2006

Gas Fuel Tank-Equipped Vehicle

Yoshiaki Naganuma; Norimasa Ishikawa


Archive | 2006

Fuel Cell System and Mobile Article

Norimasa Ishikawa; Yoshiaki Naganuma; Yoshinobu Hasuka


Archive | 2006

Fuel battery system, anode gas production amount estimation apparatus, and method for estimating anode gas production amount

Hiroyuki Imanishi; Kota Manabe; Tomoya Ogawa; Go Tejima; Yoshiaki Naganuma; Hironori Noto


Archive | 2007

Fuel Cell Operation System and Valve Open Amount Calculation Method in the Fuel Cell Operation System

Naohisa Tsuchiya; Yoshiaki Naganuma


SAE International Journal of Alternative Powertrains | 2012

Development of System Control for Rapid Warm-up Operation of Fuel Cell

Yoshiaki Naganuma; Kota Manabe; Hiroyuki Imanishi; Yasuhiro Nonobe


SAE 2010 World Congress & Exhibition | 2010

Development of Fuel Cell Hybrid Vehicle Rapid Start-up from Sub-freezing Temperatures

Kota Manabe; Yoshiaki Naganuma; Yasuhiro Nonobe; Mikio Kizaki; Tomoya Ogawa


Archive | 2006

FUEL CELL SYSTEM, ESTIMATION DEVICE OF AMOUNT OF ANODE GAS TO BE GENERATED AND ESTIMATION METHOD OF AMOUNT OF ANODE GAS TO BE GENERATED

Hiroyuki Imanishi; Kota Manabe; Tomoya Ogawa; Go Tejima; Yoshiaki Naganuma; Hironori Noto


Archive | 2012

FUEL CELL SYSTEM AND START-UP CONTROL METHOD THEREFOR

Hiromi Tanaka; Yoshiaki Naganuma; Osamu Yumita; Takayoshi Tezuka; Nobukazu Mizuno; Masashi Fuji


Archive | 2006

Brennstoffzellensystem mit einer Vorrichtung zum Abschätzen der zu erzeugenden Anodengasmenge und Verfahren zum Abschätzen der zu erzeugenden Anodengasmenge

Hiroyuki Imanishi; Kota Manabe; Yoshiaki Naganuma; Hironori Noto; Tomoya Ogawa; Go Tejima

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