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Generalization of Series Elastic Actuator configurations and dynamic behavior comparison

Title
Generalization of Series Elastic Actuator configurations and dynamic behavior comparison
Authors
Lee, ChanKwak, Su HuiKwak, Ji HooOh, Sehoon
DGIST Authors
Oh, Sehoon
Issue Date
2017-09
Citation
Actuators, 6(3)
Type
Article
Article Type
Article
Keywords
CategorizationCompliant elementDesign criteriaFSEAPerformanceRFSEASeries Elastic Actuator (SEA)TFSEATransmissibilityVariable Impedance Actuator (VIA)
ISSN
2076-0825
Abstract
The Series Elastic Actuator (SEA) has recently been developed by many research groups and applied in various fields. As SEA is the combination of motor, spring, gear and load, various types and configurations of mechanism have been developed as SEAs to satisfy many requirements necessary for the applications. This paper provides a theoretical framework to categorize and compare these various configurations of SEAs. The general structure and model of SEA is provided, and SEA configurations are categorized into Force-sensing Series Elastic Actuator, Reaction Force-sensing Series Elastic Actuator and Transmitted Force-sensing Series Elastic Actuator, based on the relative location of the spring. Criteria such as Force sensitivity, Compliance and Transmissibility of SEA are derived and compared using actual SEAs that have been developed previously. © 2017 by the authors.
URI
http://hdl.handle.net/20.500.11750/5647
DOI
10.3390/act6030026
Publisher
MDPI AG
Related Researcher
  • Author Oh, Sehoon MCL(Motion Control Lab)
  • Research Interests Research on Human-friendly motion control; Development of human assistance;rehabilitation system; Design of robotic system based on human musculoskeletal system; Analysis of human walking dynamics and its application to robotics; 친인간적인 운동제어 설계연구; 인간 보조;재활 시스템의 설계 및 개발연구; 인간 근골격계에 기초한 로봇기구 개발연구; 보행운동 분석과 모델 및 로봇기구에의 응용
Files:
Collection:
Department of Robotics EngineeringMCL(Motion Control Lab)1. Journal Articles


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