Auteur Kouhei Ohnishi
Documents disponibles écrits par cet auteur (16)
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Article : texte imprimé
Shimono, Tomoyuki, Auteur ; Seiichiro Katsura, Auteur ; Kouhei Ohnishi, Auteur |In recent years, the skill preservation of an expert has been a serious problem in various fields. If digital skill preservation like a haptic database is attained, it may become an innovative solution of this problem. This paper proposes abstra[...]
Article : texte imprimé
Seiichiro Katsura, Auteur ; Matsumoto, Yuichi, Auteur ; Kouhei Ohnishi |Controlling robots in contact with the environment is an important problem in industry applications. In the conventional force control, much research has paid attention to develop novel force control systems and implemented force sensors to dete[...]
Article : texte imprimé
Ohashi, Eijiro, Auteur ; Aiko, Takahiro, Auteur ; Tsuji, Toshiaki ; Nishi, Hiroaki, Auteur ; Kouhei Ohnishi |This paper describes a collision avoidance method for a biped robot with an upper body. We propose a method wherein the robot stops in front of an obstacle by generating arm force. When the robot detects the obstacle by the arm tip, it should st[...]
Article : texte imprimé
Matsumoto, Yuichi, Auteur ; Seiichiro Katsura, Auteur ; Kouhei Ohnishi, Auteur |The use of robotic devices in surgical applications has been growing in recent years. Surgical robots are beginning to find applications in minimally invasive surgeries. The control issues pertaining to many of the applications of robotics to su[...]
Article : texte imprimé
Seiichiro Katsura, Auteur ; Kouhei Ohnishi, Auteur |This paper presents a force servoing method to suppress torsional vibration of two-mass resonant system. The resonance ratio control is one of the effective control methods of two-mass resonant system. In this method, the ratio between the reson[...]
Article : texte imprimé
Ishii, Ena, Auteur ; Nishi, Hiroaki, Auteur ; Kouhei Ohnishi, Auteur |Bilateral teleoperation has been needed in many areas, such as space activities, work on an atomic power plant, minimally invasive surgery, etc. In bilateral teleoperation, transfer of keen tactile sense, which is as if the operator directly tou[...]
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Yalcin, Baris, Auteur ; Kouhei Ohnishi, Auteur |In this paper, a novel multiple-input-multiple-output network model entitled "infinite-mode networks" (IMNs) is explained. The model proposes a new and challenging design concept. It is a dual structure and combines neural networks (NNs) to line[...]
Article : texte imprimé
Seiichiro Katsura, Auteur ; Matsumoto, Yuichi, Auteur ; Kouhei Ohnishi |Controlling robots in contact with the environment is an important problem in industry applications. Generally, a force sensor is used for sensing the external force. It is well known that information of a force sensor has much noise. Furthermor[...]
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Mizuochi, Mariko, Auteur ; Tsuji, Toshiaki, Auteur ; Kouhei Ohnishi, Auteur |This paper focuses on the realization of high-performance motion control based on acceleration control. A disturbance observer is used to construct an acceleration control system. A high sampling frequency is known to be effective for improving [...]
Article : texte imprimé
Seiichiro Katsura, Auteur ; Suzuki, Jun, Auteur ; Kouhei Ohnishi |Vibration suppression in a motion-control system is an important problem in industry applications. Recently, a number of studies about flexible manipulators have been reported. However, there is little published on pushing operation by flexible [...]
Article : texte imprimé
Seiichiro Katsura, Auteur ; Kouhei Ohnishi, Auteur |In recent years, the realization of a haptic system has been desired strongly in the fields of medical treatment and expert's skill acquisition. An integrated system design of the analysis of the interaction between a robot and the environment r[...]
Article : texte imprimé
Seiichiro Katsura, Auteur ; Kouhei Ohnishi, Auteur |In this paper, an intelligent wheelchair robot for adaptation to an unknown environment is developed. Environmental information is a key factor to comply to an unknown and/or unstructured environment. Since the environment has an infinite number[...]
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Yalcin, Baris, Auteur ; Kouhei Ohnishi, Auteur |For time-delayed bilateral teleoperation systems, this paper presents a novel structure to considerably improve performance in terms of transparency and perception bandwidth, which are extremely low for passive systems, as well as force-position[...]
Article : texte imprimé
Natori, Kenji, Auteur ; Tsuji, Toshiaki, Auteur ; Kouhei Ohnishi, Auteur |This paper presents the effectiveness of a time-delay compensation method based on the concept of network disturbance and communication disturbance observer for bilateral teleoperation systems under time-varying delay. The most efficient feature[...]
Article : texte imprimé
Seiichiro Katsura, Auteur ; Kouhei Ohnishi, Auteur ; Ohishi, Kiyoshi, Auteur |In recent years, realization of a haptic system has been strongly desired in the fields of medical treatment and expert's skill acquisition. The bandwidth of force sensing and friction compensation are very important problems for reproduction of[...]
