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Research on impedance control based on force servo for single leg of hydraulic legged robot

  • Harbin Institute of Technology

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

Abstract

A force servo based impedance controller that allows compliant behaviours of the leg of a hydraulic legged robot has been presented in this paper. A novel velocity compensation algorithm which makes for elimination of the redundant forces is also included. Their performance is assessed on a 2-DOF hydraulic leg whose kinematics and transfer functions have been modeled. A double hydraulic cylinders experiment platform is designed for performance testing of the force tracking of the hydraulic actuators. Experimental results have shown a good performance of the impedance controller which allows arbitrary virtual stiffness and damping of the leg.

Original languageEnglish
Title of host publication2017 IEEE International Conference on Mechatronics and Automation, ICMA 2017
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1591-1596
Number of pages6
ISBN (Electronic)9781509067572
DOIs
StatePublished - 23 Aug 2017
Event14th IEEE International Conference on Mechatronics and Automation, ICMA 2017 - Takamatsu, Japan
Duration: 6 Aug 20179 Aug 2017

Publication series

Name2017 IEEE International Conference on Mechatronics and Automation, ICMA 2017

Conference

Conference14th IEEE International Conference on Mechatronics and Automation, ICMA 2017
Country/TerritoryJapan
CityTakamatsu
Period6/08/179/08/17

Keywords

  • Force servo
  • Hydraulic legged robot
  • Impedance control
  • Velocity compensation

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