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Stiffness characteristics of compliant three segment leg with the self-stable region in slow and fast running

Title
Stiffness characteristics of compliant three segment leg with the self-stable region in slow and fast running
Authors
Kwon, OS[Kwon, Oh-Seok]Ha, SM[Ha, Sung-Mok]Lee, DH[Lee, Dong-Ha]
DGIST Authors
Kwon, OS[Kwon, Oh-Seok]; Ha, SM[Ha, Sung-Mok]; Lee, DH[Lee, Dong-Ha]
Issue Date
2016-12
Citation
Journal of Mechanical Science and Technology, 30(12), 5679-5687
Type
Article
Article Type
Article
Keywords
Control EffortEnergy EfficiencyLegged RobotsResearch ResultsSegment LegsSelf-StabilitySelf StabilitySpring-Mass SystemStabilityStiffnessStiffness CharacteristicsStructural StabilitiesStructural StabilityThree Segment Leg
ISSN
1738-494X
Abstract
In this paper, we propose the stiffness characteristics of compliant three segment leg that can have a self-stable region in slow and fast running. This proposition can contribute to reducing the control effort and enhancing the locomotion energy efficiency for the compliant three segment legged robot in slow and fast running. Previous research indicated that the running self-stable region of the spring-mass system is located in a relatively fast running region and that of the two segment leg is located in a relatively slow running region. In this paper, we analyze the stiffness characteristics of the spring-mass system and the two segment leg to explain the previous research results. From this analysis, we propose the stiffness characteristics of the compliant three segment leg with a self-stable region in slow and fast running. We further design the compliant three segment leg based on this proposition and check its structural stability. We examine the running self-stable region of this compliant three segment leg to determine whether it has a self-stable region in slow and fast running. We also examine the walking self-stable region of this compliant three segment leg. © 2016, The Korean Society of Mechanical Engineers and Springer-Verlag Berlin Heidelberg.
URI
http://hdl.handle.net/20.500.11750/2123
DOI
10.1007/s12206-016-1138-x
Publisher
Korean Society of Mechanical Engineers
Files:
There are no files associated with this item.
Collection:
Convergence Research Center for Wellness1. Journal Articles


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