DESIGN AND OPTIMIZATION OF AN ANKLE JOINT ACTUATING MECHANISM OF A HUMANOID ROBOT

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ASHKVARI MAHYAR; YOUSEFI KOMA AGHIL; SHARIAT PANAHI MASOUD; KESHAVARZ HOSSEIN

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Journal: Modares Mechanical Engineering Year:2017 | Volume:16 | Issue:11 Page(s): 417-428

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Title

DESIGN AND OPTIMIZATION OF AN ANKLE JOINT ACTUATING MECHANISM OF A HUMANOID ROBOT

Author(s)

ASHKVARI MAHYAR | YOUSEFI KOMA AGHIL | SHARIAT PANAHI MASOUD | KESHAVARZ HOSSEIN | Issue Writer Certificate

Keywords

HUMANOID ROBOT SURENAIIIQ1

ANKLE JOINT ACTUATION MECHANISMQ1

KNEE JOINT TORQUEQ1

GENETIC ALGORITHMQ2

Abstract

Due to necessity of increasing performance in new generations of the humanoid robots, in this paper, a novel power transmission mechanism to actuate the ankle joint of a humanoid robot is presented in order to increase the motion speed of SURENAIII humanoid robot. Also, the energy consumption of the proposed and the previous mechanisms are studied. In the proposed mechanism, the actuators of the ankle joint are located in the shank link. Then, a combined timing belt-pulley and a harmonic drive module are exploited for power transmission for the pitch joint. Also, the roll joint drive has employed a roller screw. In order to validate the design procedure, the simulation results of the robot are compared with the experimental data. The results reveal that the dynamic model is fairly matched to the real behavior of the robot. Also, the revolutionary GENETIC ALGORITHM is employed to optimize the effective path planning parameters with respect to the minimum knee joint energy consumption. This optimization procedure which is employed in robot walking on flat terrains consists of straight motion and ensures the robot's stability. As a result, the optimal path planning parameters for proposed mechanism are obtained in such a way that the actuating torques of lower-body of SURENAIII are decreased. Also, the proposed mechanism can be achieved using lighter motors and makes the robot faster by means of mass reduction of foot.

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APA: Copy

ASHKVARI, MAHYAR, YOUSEFI KOMA, AGHIL, SHARIAT PANAHI, MASOUD, & KESHAVARZ, HOSSEIN. (2017). DESIGN AND OPTIMIZATION OF AN ANKLE JOINT ACTUATING MECHANISM OF A HUMANOID ROBOT. MODARES MECHANICAL ENGINEERING, 16(11 ), 417-428. SID. https://sid.ir/paper/178908/en

Vancouver: Copy

ASHKVARI MAHYAR, YOUSEFI KOMA AGHIL, SHARIAT PANAHI MASOUD, KESHAVARZ HOSSEIN. DESIGN AND OPTIMIZATION OF AN ANKLE JOINT ACTUATING MECHANISM OF A HUMANOID ROBOT. MODARES MECHANICAL ENGINEERING[Internet]. 2017;16(11 ):417-428. Available from: https://sid.ir/paper/178908/en

IEEE: Copy

MAHYAR ASHKVARI, AGHIL YOUSEFI KOMA, MASOUD SHARIAT PANAHI, and HOSSEIN KESHAVARZ, “DESIGN AND OPTIMIZATION OF AN ANKLE JOINT ACTUATING MECHANISM OF A HUMANOID ROBOT,” MODARES MECHANICAL ENGINEERING, vol. 16, no. 11 , pp. 417–428, 2017, [Online]. Available: https://sid.ir/paper/178908/en

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