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Dependable Humanoid Navigation System Based on Bipedal Locomotion

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6 Author(s)
Yeonsik Kang ; Dept. of Automotive Eng., Kookmin Univ., Seoul, South Korea ; Hyunsoo Kim ; Soo-Hyun Ryu ; Nakju Lett Doh
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In this paper, a dependable humanoid navigation system is proposed by considering many difficulties in humanoid navigation based on bipedal locomotion in an uncertain environment. In particular, we propose a layered architecture to resolve complicated problems through a hierarchical manner. Within the proposed software architecture, a walking path planner, a walking footstep planner, and a walking pattern generator are integrated in a hierarchy to create a reliable motion that overcomes foot slippage and localization sensor noise. Each layer is designed to overcome difficulties originating from bipedal locomotion such as unstable dynamics, inclusion of a sinusoidal noise component in the localization sensor measurement, and disturbance regarding discrete footstepping. The designed navigation system is implemented on a human-sized experimental humanoid platform and is tested for the evaluation of its reliability and robustness in various tasks.

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Industrial Electronics, IEEE Transactions on  (Volume:59 ,  Issue: 2 )