Design of new quadruped robot with SMA actuators for dynamic walking

Hyung Min Son, Jim Bum Gu, Se Hoon Park, Yun Jung Lee, Tae Hyun Nam

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

11 Scopus citations

Abstract

This paper presents a small-sized dynmaic walking quadruped robot that uses SMA actuators. Conventional dynamic walking robots have a bulky body and are usually driven by large and heavy electrical motors or hydraulic actuators in order to produce a high output torque. Thus, to resolve this problem, a new SMA actuator is proposed with attractive features, such as a high power density, small size, and light weight. To improve the small ratio of deformation and slow response time of an SMA, the proposed actuator also has a unique winding structure for the SMA wire and reversed gear mechanism. As such, a quadruped robot for dynamic walking is introduced that is equipped with twelve SMA actuators, four 3-DOF leg mechanisms, and a rigid body. The control system for the proposed robot consists of a main control board, PWM generator board, SMA driver board, and sensor interface board.

Original languageEnglish
Title of host publication2006 SICE-ICASE International Joint Conference
Pages344-348
Number of pages5
DOIs
StatePublished - 2006
Event2006 SICE-ICASE International Joint Conference - Busan, Korea, Republic of
Duration: 18 Oct 200621 Oct 2006

Publication series

Name2006 SICE-ICASE International Joint Conference

Conference

Conference2006 SICE-ICASE International Joint Conference
Country/TerritoryKorea, Republic of
CityBusan
Period18/10/0621/10/06

Keywords

  • Dynamic gait
  • Quadruped robot
  • Running
  • SMA
  • SMA actuator
  • Walking
  • Walking robot

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