著者

安達 弘典 岡田 聡 松崎 謙司

出版者

一般社団法人 日本ロボット学会

雑誌

日本ロボット学会誌 (ISSN:02891824)

巻号頁・発行日

vol.36, no.6, pp.395-398, 2018 (Released:2018-08-15)

参考文献数

5

被引用文献数

1 2

著者

小谷内 範穂 安達 弘典 中村 達也 中野 栄二

出版者

The Robotics Society of Japan

雑誌

日本ロボット学会誌 (ISSN:02891824)

巻号頁・発行日

vol.11, no.6, pp.918-928, 1993-09-15 (Released:2010-08-25)

参考文献数

17

被引用文献数

3 6

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A self-contained type hexapod walking robot was developed in Mechanical Engineering Laboratory. It is called MELCRAB-2. This hexapod has specific features both in the mechanical design and in the control way. This paper provides a few significant guideline to design the self-contained hexapod walking robot from the point of view about the stair climbability, turning mobility, efficient foot force delivering based on the two decoupled actuation ways, GDA (Gravitationally Decoupled Actuation) and MDA (Motion Decoupled Actuation) . An approximately straight line linkage is used in the leg mechanism of the MELCRAB-2 to satisfy both of GDA and MDA. The inverse kinematics of the approximately straight line linkage was solved for position control. Tactile sensors and proximity sensors are installed on the front side and back side of each foot to detect obstacles and walking environments. Control algorithm with many motion procedures to negotiate the stairs and walking environments was developed. MELCRAB-2 could climb up the experimental stairs with the same dimensions as the real buildings by using that algorithm. MELCRAB-2 is the real self-contained hexapod robot actuated by electric motors, and it can walk with the fast speed owing to GAD and MDA. compared with the past developed walking machines.

著者

小谷内 範穗 安達 弘典 新井 健生

出版者

The Robotics Society of Japan

雑誌

日本ロボット学会誌 (ISSN:02891824)

巻号頁・発行日

vol.14, no.7, pp.968-976, 1996-10-15 (Released:2010-08-25)

参考文献数

18

被引用文献数

5 7

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Human works like handling objects, carrying loads, assembling parts, and cutting parts, are completed by the combination of both leg locomotion and hand manipulation, in the various fields of construction, agricultural fields, factory, and home. The authors propose a new concept for the integration of locomotion and manipulation, “the Integrated Limb Mechanism.” The concept covers the technical fields both of the control integration and of the mechanism integration necessary for the practical working robot.Here, a six-bar linkage mechanism with four degrees of freedom is introduced as an example of integrated limb mechanism with both advantages in leg and in arm with consideration for mechanical design. Computer simulation with the dynamic model is performed to verify the transformability from leg posture into arm posture of the mechanism. The kinematic analysis by the manipulatability ellipsoid is done to evaluate the different motion rates between the leg posture and the arm posture. Some useful tasks are considered suitable to the mechanism.