Research on Robot Contact Force Control Based on Adaptive Impedance Control

Haoliang Ye*, Shuo Jiang, Junzheng Wang

*Corresponding author for this work

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

2 Citations (Scopus)

Abstract

The robot contacts the environment during the movement. When the environmental information is unknown or changed, impedance control is difficult to accurately control the contact force between the robot and the environment due to the fixed parameters of the model. Adaptive control can solve this problem well. The second method of Lyapunov is used to design the adaptive impedance control algorithm. This algorithm estimates the environment position and the environment stiffness online, calculates the correction value of the robot position, and reduces the steady-state error of the system. The control method has a simple form and strong robustness, and is suitable for realtime force tracking control system. The simulation results show that the control method has good adaptability to the environment and confirms the effectiveness of the control method.

Original languageEnglish
Title of host publication2021 5th International Conference on Robotics and Automation Sciences, ICRAS 2021
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages84-88
Number of pages5
ISBN (Electronic)9780738133119
DOIs
Publication statusPublished - 11 Jun 2021
Event5th International Conference on Robotics and Automation Sciences, ICRAS 2021 - Wuhan, China
Duration: 11 Jun 202113 Jun 2021

Publication series

Name2021 5th International Conference on Robotics and Automation Sciences, ICRAS 2021

Conference

Conference5th International Conference on Robotics and Automation Sciences, ICRAS 2021
Country/TerritoryChina
CityWuhan
Period11/06/2113/06/21

Keywords

  • Lyapunov
  • adaptive impedance control
  • contact force
  • impedance control

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