Mechanism and characteristics of direct drive motors. - Takanobu Iwakane; Junji Hirai; Yasuhiro Miyamoto (Adv. Robotics, 1987)

Practical study on wireless transmission of power and information for autonomous decentralized manufacturing system. - Junji Hirai; Tae-Woong Kim; Atsuo Kawamura (IEEE Trans. Ind. Electron., 1999)

Study on crosstalk in inductive transmission of power and information. - Junji Hirai; Tae-Woong Kim; Atsuo Kawamura (IEEE Trans. Ind. Electron., 1999)

Position-sensorless drive of linear pulse motor for suppressing transient vibration. - Junji Hirai; Tae-Woong Kim; Atsuo Kawamura (IEEE Trans. Ind. Electron., 2000)

Iterative Design of the Reduced-Order Weight and Controller for the HINFINITY Loop-Shaping Method Under Open-Loop Magnitude Constraints for SISO Systems. - Shu Katayama; Kazuhiro Yubai; Junji Hirai (IEEE Trans. Ind. Electron., 2009)

Development of a Biofeedback Therapeutic-Exercise-Supporting Manipulator. - Satoshi Komada; Yosuke Hashimoto; Noboru Okuyama; Takashi Hisada; Junji Hirai (IEEE Trans. Ind. Electron., 2009)

Tension control for tendon mechanisms by compensation of nonlinear spring characteristic equation error. - Kazuo Haiya; Satoshi Komada; Junji Hirai (AMC, 2010)

Correlation-based direct tuning of 2DOF controller by least squares. - Hidenori Usami; Kazuhiro Yubai; Junji Hirai (AMC, 2010)

Development and verification of simple tension distribution considering tension limits for 2-joint arm with 3 pairs of 6 tendons. - Shota Mori; Satoshi Komada; Junji Hirai (ICRA, 2011)

Stiffness ellipse control of tendon mechanisms with nonlinear springs. - Hiroyasu Kashiwagi; Fumihiro Okumura; Satoshi Komada; Junji Hirai (ROBIO, 2011)

A decision method of grasp region based on a fingertip force evaluation resisting external force. - Keisuke Kondo; Satoshi Komada; Junji Hirai (ROBIO, 2011)

Simple tension distribution converting workspace commands for 2-joint arm with 3 pairs of 6 tendons. - Shota Mori; Satoshi Komada; Junji Hirai (ROBIO, 2011)

Lower limb examinations for muscular tension estimation methods for each muscle group based on functionally different effective muscle theory. - Taiki Nishii; Satoshi Komada; Daisuke Yashiro; Junji Hirai (EMBC, 2013)

Visual control of musculoskeletal arm using multiple reference frame including simple coordinate transformation. - Kento Hashimoto; Satoshi Komada; Daisuke Yashiro; Junji Hirai (AMC, 2014)

Stability and transparency of adaptive controller based four-channel bilateral control system with communication delay. - Tadashi Hieno; Daisuke Yashiro; Satoshi Komada; Junji Hirai (AMC, 2014)

Consideration of tension limits in joint space for 3 pairs of 6 tendon arms with nonlinear springs. - Masashi Oishi; Satoshi Komada; Daisuke Yashiro; Junji Hirai (AMC, 2014)

Fixed-order SISO controller design for H∞ loop shaping method using frequency responses. - Takayuki Kubo; Kazuhiro Yubai; Alireza Karimi; Daisuke Yashiro; Junji Hirai (ICIT, 2015)

Weight optimization for H∞ loop shaping method using frequency response data for SISO stable plant. - Takayuki Kubo; Kazuhiro Yubai; Daisuke Yashiro; Junji Hirai (ICM, 2015)