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Dive into the research topics where Yoji Okada is active.

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Featured researches published by Yoji Okada.


Transactions of the Japan Society of Mechanical Engineers. C | 1985

The frontal transfer matrix method. Efficient solution of transfer matrix and reanalysis.

Yoji Okada; Walter Pilkey; Bo Ping Wang

伝達マトリックス法は,特に直線状の構造物解析には,きわめて有効な構造解析法である.しかし伝達マトリックスの数値計算で,解が不安定になったり誤差が増加してしまうことがある.本論文では有限要素法などで使われるフロンタル解法を応用し,部分マトリックスの逐次リダクションによって計算の安定化と効率化をはかる方法を提案する.この計算方法は部分構造の特性変化を評価するリアナリシスへも,効率よく適用可能である.


The Proceedings of Ibaraki District Conference | 2015

509 Development of Wearable Leg Support System : Effect of Lack of Foot Sensation

Shota Yamamoto; Makoto Yasuda; Tubasa Mori; Ryou Kondo; Yoji Okada


The Proceedings of Ibaraki District Conference | 2014

601 高効率超ワイドギャップ磁気軸受に関する研究(OS6 オーガナイズドセッション《振動・音響・制御》)

Kaname Miyajima; Kenichi Matsuda; Yoji Okada; Ryo Kondo


The Proceedings of Ibaraki District Conference | 2014

513 マニュアル制御に基づく装着型脚支援システムに関する研究(OS5-(3),OS5 オーガナイズドセッション《ライフサポートにおける工学技術》)

Tsukasa Watanabe; Ryosuke Wakita; Ryou Kondo; Yoji Okada


The Proceedings of Ibaraki District Conference | 2012

902 Stability Enhancement of Standing Position for Lower Limb Paralysis Using Visual Substitution of Sole Sensory

Yusuke Aoki; Masayoshi Nakajima; Chiaki Sakai; Taisen Izimi; Ryou Kondo; Yoji Okada


The Proceedings of Ibaraki District Conference | 2012

903 Manual control using substituting sensory feedback via vibration

Do Manh Hung; Toshimitsu Suzuki; Ryosuke Wakita; Ryou Kondo; Yoji Okada


The Proceedings of Ibaraki District Conference | 2011

505 Wearable Leg Support System based on Manual Control : Development of Manipuleg-2

Yuta Minegishi; Toshimitsu Suzuki; Do Manh Hung; Ryou Kondo; Yoji Okada


The Proceedings of Ibaraki District Conference | 2010

502 Wearable Leg Support System based on Manual Control : Validation of sitting and rising motion

Yousuke Akiyama; Yuta Minegishi; Toshimitsu Suzuki; Yoji Okada; Ryou Kondo


The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec) | 2008

2P1-E14 Development of Leg Assist System based on Manual Control

Yusuke Yabuki; Yosuke Akiyama; Masato Tanaka; Ryou Kondo; Yoji Okada; Kenichi Matsuda


Transactions of the Japan Society of Mechanical Engineers. C | 2006

Classification of particle size utilizing traveling wave field

Hiroyuki Kawamoto; Yoji Okada; Tetsuya Kashima; Shinjiro Umezu

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