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Fiscal 2017
  • 2017.04.21 NEW
    An article "Utilization of Kinematical Redundancy of a Rehabilitation Robot to Produce Compliant Motions under Limitation on Actuator Performance" including Laboratory OB Takaaki Goto was adopted for ICORR 2017.


  • 2017.04.01
    Nine undergraduate students were assigned to our laboratory, and Assistant Prof. Dobashi transferred to Wakayama University.



Fiscal 2016
  • Mar. 22, 2017
    Seven bachelor students and four master course students in our lab graduated, and Mr. Shimizu (M2) won JSME Miura Award from the Japan Society of Mechanical Engineers.


  • Mar. 08-19, 2017
    Prof. Nagai, Mr. Hayashi (UG) and Mr. Miyamura (UG) visited University of Reading in UK, and had discussion with the co-researchers.


  • Mar. 03, 2017
    Mr. Le (an ex-member in our lab.) acquired the degree of Ph.D. in Engineering.


  • Feb. 07, 2017
    At our univ., the defense of the Ph.D. thesis "Design of Redundant Drive Wire Mechanism with Velocity Constraint Modules to Reduce the Number of Actuators for Producing Fast and Precise Motions" of Mr. Le (an ex-member in our lab.) was held."


  • Dec. 15, 2016
    At SI2016, Mr. Kawai (M2) gave a presentation entitled "Planning of Reorientation of Parts by Parallel Gripper Allowing Release Motion in Unstable Orientations."


  • Dec. 13, 2016
    At SII2016, Assistant Prof. Dobashi gave a presentation entitled "Orientational Transition Analysis toward Reorientation of Parts by Parallel Gripper Allowing Release Motion in Unstable Orientations."


  • Oct. 18, 2016
    The paper of Mr. Le (D6) et al., "Configuration of Redundant Drive Wire Mechanism Using Double Actuator Modules," was published in ROBOMECH Journal.




  • Sep. 25, 2016
    Mr. Le (D6) completed the coursework of the Ph.D. program.


  • Sep. 24, 2016
    The paper of Assistant Prof. Dobashi et al., "Orientational Transition Analysis toward Reorientation of Parts by Parallel Gripper Allowing Release Motion in Unstable Orientations," was accepted for the 2016 IEEE/SICE International Symposium on System Integration (SII2016).


  • Sep. 23, 2016
    The paper of Mr. Le (D6) et al., "Kinematical and Static Force Analysis on Redundant Drive Wire Mechanism with Velocity Constraint Modules to Reduce the Number of Actuators," was published in ROBOMECH Journal.


  • Aug. 01, 2016
    The members in our laboratory had a BBQ party.


  • July 09-10, 2016
    A seminar on a stroke rehabilitation robotic system was held as a lab. experience for freshmen and sophomores.



  • June 10, 2016
    At ROBOMECH2016, Mr. Kawai (M2) gave a presentation entitled "Study on Reorientation of Parts by Parallel Gripper Allowing Releasing Action during Orientational Transition."


  • May 26, 2016
    The paper of Assistant Prof. Dobashi et al., "Optimization of Grasping of 3-D Parts by Universal Robotic Hand with Parallel Stick Fingers for Assembly Tasks," received the 2016 Best Paper Award of ISCIE.


  • Apr. 01, 2016
    Eleven undergraduate students were assigned to our laboratory.



Fiscal 2015

  • Mar. 22, 2016
    Seven bachelor students and one master course student in our lab graduated.


  • Mar. 09-18, 2016
    Prof. Nagai visited University of Reading and University College of London in UK, and had discussion with the co-researchers.


  • Mar. 05, 2016
    At a conference on human-harmonized assistive technology, Mr. Goto (M1) and Mr. Shimizu (M1) gave presentations on their research.


  • Dec. 14-16, 2015
    At SI2015, Mr. Shiratsuchi (Mitsubishi Electric Corp.) gave a presentation on the collaborative research with Profs. Nagai, Yoshikawa and Assist. Prof. Dobashi, et al.


  • Sep. 26-27, 2015
    Members in our laboratory went on a trip in Kinosaki, Hyogo.


  • Sep. 03-05, 2015
    At RSJ2015, Dr. Kihara (IHI Corp.) gave a presentation on the collaborative research with Profs. Nagai and Yoshikawa, et al.


  • Aug. 17, 2015
    The textbook, "Robot Mechanics," written by Prof. Nagai and Assistant Prof. Dobashi will be published by Corona Publishing Co. Ltd. on Sep. 17, 2015.


  • Aug. 11-14, 2015
    At ICORR2015, Prof. Nagai gave a presentation entitled "Feasibility Study on EEG Driven Robotic System to Realize Efficient Stroke Rehabilitation."


  • June 15, 2015
    The paper of Prof. Nagai et al., "Introducing Kinematical Redundant Degree of Freedom into High Speed Parallel Mechanism with Driving Force Redundancy for Producing Precise Motions," was published in the Journal of Robotics Society of Japan.


  • May 20, 2015
    The paper of Prof. Nagai et al., "Feasibility Study on EEG Driven Robotic System to Realize Efficient Stroke Rehabilitation," was accepted for the 14th IEEE/RAS-EMBS International Conference on Rehabilitation Robotics (ICORR2015).


  • May 18-19, 2015
    At ROBOMECH2015, Prof. Nagai, Mr. Sashinaka (M2), Mr. Goto (M1) and Mr. Shimizu (M1) gave presentations on their research. Dr. Kihara (IHI Corp.) also gave a presentation on the collaborative research with Profs. Nagai and Yoshikawa, et al.


  • Apr. 01, 2015
    Six undergraduate students were assigned to our laboratory.



Fiscal 2014
  • Mar. 31, 2015
    Guest Prof. Ito, who is one of our co-researchers, retired from Ritsumeikan Univ.


  • Mar. 21, 2015
    Six bachelor students and four master course students in our lab graduated. Two of the bachelor students, Mr. Goto (UG) and Mr. Shimizu (UG), won Education Prize from Ritsumeikan Univ. Parents Association of Student Education Assistance and Dean of College of Science and Engineering for their presentations at the international conferene.


  • Dec. 14, 2014
    At SII2014, Mr. Goto (UG) and Mr. Shimizu (UG) gave presentations entitled "Consideration on Mechanical Properties of a Redundant Drive Manipulator for Reducing the Endpoint Inertia," and "Consideration on a New BCI Method Using EEG to Detect Motion Intention," respectively.


  • Oct. 20, 2014
    The papers of Mr. Goto (UG) et al. and Mr. Shimizu (UG) et al. were accepted for the 2014 IEEE/SICE International Symposium on System Integration (SII2014).


  • Oct. 14, 2014
    The webpage of our laboratory was redesigned.


  • Sep. 15-25, 2014
    Prof. Nagai, Assistant Prof. Dobashi, and four students in our laboratory visited University of Reading in UK, and had discussion with the co-researchers.


  • Sep. 13, 2014
    At the 7th Vietnamese-Japanese Students' Scientific Exchange Meeting, Assistant Prof. Dobashi and Mr. Le (D4) gave presentations on their research.


  • Sep. 04-06, 2014
    At RSJ2014, Mr. Le (D4) and Mr. Sashinaka (M1) gave presentations entitled "Design of Vibration Suppression Mechanism in Two Wires Drive Mechanism for Producing High Acceleration and High Precision motions," and "Influence of Internal Forces in High Acceleration and High Precision Motions of Parallel Mechanism with Force Redundancy," respectively.


  • Aug. 03-04, 2014
    Members in our laboratory went on a trip in Shirahama, Wakayama.


  • Apr. 24, 2014
    The members in our laboratory had a BBQ party.


  • Apr. 01, 2014
    Nine undergraduate students were assigned to our laboratory.



Fiscal 2013
  • Mar. 22, 2014
    Eight bachelor students and one master course student in our lab graduated.


  • Mar. 02-12, 2014
    Prof. Nagai and Assistant Prof. Dobashi visited University of Reading in UK, and had discussion with the co-researchers.


  • Dec. 18-20, 2013
    At SI2013, Assit. Prof. Dobashi gave presentations entitled "Analysis of Impedance Property of a Robot Considering Limitation of Actuator Performance," and "Synthetic Evaluation of Mechanism and Grasping Strategy of Universal Hand for Assembly Task Based on the Robustness of Alignment and Grasping."


  • Apr. 01, 2013
    Dr. Dobashi joined Nagai Laboratory as assistant professor. Eleven undergraduate students were assigned to our laboratory.



Fiscal 2012
  • Jan. 31, 2013
    Assistant Prof. Hayashi transferred to University of Reading in UK.