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Dive into the research topics where Keisuke Chida is active.

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Featured researches published by Keisuke Chida.


International Journal of Humanoid Robotics | 2006

THE DEVELOPMENT OF THE ANTHROPOMORPHIC FLUTIST ROBOT AT WASEDA UNIVERSITY

Jorge Solis; Keisuke Chida; Kei Suefuji; Atsuo Takanishi

The development of the flutist robot at Waseda University since 1990 has enabled a better understanding of the motor control functions required for playing the flute. Moreover, it has introduced novel ways of interaction between human beings and humanoid robots such as: performing a musical score together in real time and transferring skills to flutist beginners. In this paper, the development of the Waseda Flutist Robot No. 4 Refined (WF-4R) is presented. The mechanical design of the components of the robot and the control architecture are detailed. In order to efficiently control and coordinate the motion of each of the simulated organs of the robot, an algorithm was proposed to extract the features required to perform a score based on human performance. This algorithm was divided into two phases: sound calibration and music score performance. Finally, an experimental setup was done to verify the effectiveness of each of the phases by analyzing the time and frequency domain responses from recordings of the robot performances. The WF-4R is able to perform from musical scores quite similar to human.


international conference on robotics and automation | 2004

Development of a new anthropomorphic flutist robot WF-4

Keisuke Chida; Isamu Okuma; Shuzo Isoda; Yukako Saisu; Kunimitsu Wakamatsu; Kazufumi Nishikawa; Jorge Solis; Hideaki Takanobu; Atsuo Takanishi

Since 1990, we have been developing anthropomorphic flutist robots, which are mechanically similar to human organs needed for playing the flute. The goal of this research is to clarify the flute playing mechanism from an engineering point of view and to enable the communication with humans at emotional level. The control of the air beam parameters for obtaining a good sound is very important. Such parameters are related mainly to the lips shape and its relative position respect to the flute embouchure hole. Then, the newest version of the anthropomorphic flutist robot WF-4 has been implemented by improving the design of each part of the robot (lips, lungs, neck, etc.). This new version has succeeded in the improvement of the flute sound quality and the sound conversion efficiency. We describe the mechanical features of the WF-4 and the experiments done for evaluating its musical performance.


robot and human interactive communication | 2005

Improvements of the sound perception processing of the anthropomorphic flutist robot (WF-4R) to effectively interact with humans

Jorge Solis; Keisuke Chida; Kei Suefuji; Atsuo Takanishi

The development of the anthropomorphic flutist robot, at Waseda University, has demonstrated how the robot can communicate with humans at emotional level by performing musical scores with expressiveness and by transferring basic skills from robot to beginners. However, the interaction among humans is characterized by a highly interactive process of analyzing and responding to incoming stimuli from the partner. Even that flutist robot has successfully imitated the flute playing quite similar to human performance; the way of processing and analyzing the music as human does still requires further improvements. In this paper, we would describe how we implemented a human like sound processing system to enable robot to interact with humans at the same level of perception. An experimental setup was done to verify the validity of the developed system.


intelligent robots and systems | 2005

The anthropomorphic flutist robot WF-4R: from mechanical to perceptual improvements

Jorge Solis; Keisuke Chida; Shuzo Isoda; Kei Suefuji; Chiaki Arino; Atsuo Takanishi

One of the earliest motivations for developing humanoid robots centered on creating robots that may coexist with humans in environments created for human beings. For several years, at Waseda University, the development of the anthropomorphic flutist player has been focused on improving the musical interaction between the human and the robot to clarify the human flute playing and to propose novel assisted music teaching tools. In this paper, a new architecture for autonomously transferring skills from robot to human using the flutist robot is introduced. Furthermore, the new version of the flutist robot, the WF-4R (Waseda Flutist No.4 Refined) is presented; where the arm system was added to assure the positioning accuracy of the flute and the development of a melody recognition system to enable the robot to interact with students at the same logical level of perception. An experimental setup has been performed in order to verify the effectiveness of both mechanical and perceptual systems. As a result, using the arms system, we have assured the repetitiveness of the flute positioning. Furthermore, the implemented music recognition system was able to recognize the melody of flutist players (an overall recognition rate of 90%); demonstrating that HMM (usually used for speech recognition) is also effective for flute melody identification.


Computer Music Journal | 2006

The Waseda Flutist Robot WF-4RII in Comparison with a Professional Flutist

Jorge Solis; Keisuke Chida; Koichi Taniguchi; Shinichiro Michael Hashimoto; Kei Suefuji; Atsuo Takanishi


international computer music conference | 2004

Learning to Play the Flute with an Anthropomorphic Robot

Jorge Solis; Massimo Bergamasco; Shuzo Isoda; Keisuke Chida; Atsuo Takanishi


international conference on robotics and automation | 2004

The anthropomorphic flutist robot WF-4 teaching flute playing to beginner students

Jorge Solis; Massimo Bergamasco; Keisuke Chida; Shuzo Isoda; Atsuo Takanishi


international computer music conference | 2004

Learning to play the flute with an anthropomorphic flutist robot

Jorge Solis; Shuzo Isoda; Keisuke Chida; Atsuo Takanishi; Kunimitsu Wakamatsu


intelligent robots and systems | 2004

Evaluating the sound quality of beginner players by an anthropomorphic flutist robot (WF-4)

Jorge Solis; Massimo Bergamasco; Keisuke Chida; Shuzo Isoda; Atsuo Takanishi


intelligent robots and systems | 2005

The anthropomorphic flutist robot WF-4R

Jorge Solis; Keisuke Chida; Kei Suefuji; Atsuo Takanishi

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Massimo Bergamasco

Sant'Anna School of Advanced Studies

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