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This paper addresses a three-dimensional biped dynamic walking control based on Passive Dynamic Autonomous Control (PDAC). In our previous work, the robot dynamics is modeled as a two-dimensional autonomous system of a three-dimensional inverted pendulum by applying the PDAC concept. In addition, the convergence algorithm based on conservative quantities named ??PDAC constant?? was proposed, so that...
This paper proposes a three-dimensional biped dynamic walking algorithm based on passive dynamic autonomous control (PDAC) which is previously proposed. The robot dynamics is modeled as an autonomous system of a three-dimensional inverted pendulum by applying the PDAC concept that is based on the assumption of point contact of the robot foot and the virtual constraint as to robot joints. Due to autonomy,...
This paper presents the numerical method for the damping analysis of a pendulum in a laser marker with the eddy current-brake. In this method, the eddy current analysis is coupled with two-dimensional (2-D) motion analysis employing the three-dimensional finite element method. The usefulness of this method is confirmed through the comparison with the computed and measured results of the 2-D damping...
This paper introduces a multi-locomotion robot which has multiple types of locomotion. The robot is developed to achieve a bipedal walk, a quadrupedal walk and a brachiation, mimicking locomotion ways of a gorilla. It therefore has higher mobility by selecting a proper locomotion type according to its environment and purpose. In this paper we focus on brachiation mode and propose a control algorithm...
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