Adaptive hybrid impedance control of robot manipulators: A comparative study

  • Luís F. Baptista
  • José M. G. Sá da Costa
Part of the IFIP — The International Federation for Information Processing book series (IFIPAICT)


This article presents an adaptive hybrid impedance control approach for robot manipulators. The proposed scheme, consists of an outer hybrid impedance control loop that generates a target acceleration to an inner adaptive controller in order to linearize the robot dynamics and track the desired force/position. In order to analyse the performance of the proposed control scheme, two distinct adaptive control algorithms in the inner control loop are tested. The performance of the hybrid impedance strategy is illustrated by computer simulations with a 2-DOF PUMA 560 robot, in which the end-effector is forced to move along a frictionless surface in the vertical plane. The results obtained for both adaptive algorithms, reveal an accurate force tracking and impedance control in robotic tasks that require force tracking capability in an rigid environment with a time varying stiffness profile.


Robotics hybrid impedance control direct adaptive control passivity-based adaptive control 


  1. Neville Hogan. Impedance control: an approach to manipulation: Part I-II-III. Journal of Dynamic Systems, Measurement, and Control, 107: 1–24, March 1985.zbMATHGoogle Scholar
  2. M. Raibert and J. Craig. Hybrid position/force control of manipulators. Journal of Dynamic Systems, Measurement, and Control, 102: 126–133, June 1982.Google Scholar
  3. R. J. Anderson and M. W. Spong. Hybrid impedance control of robotic manipulators. IEEE Transactions on Robotics and Automation, 4: 549–556, October 1988.CrossRefGoogle Scholar
  4. J. Craig and S. S. Sastry. Adaptive control of mechanical manipulators. Proc. IEEE International Conference on Robotics and Automation, pages 190–195, 1986.Google Scholar
  5. W. S. Lu and Q. H. Meng. Impedance control with adaptation for robotic manipulators. IEEE Transactions on Robotics and Automation, 7: 408–412, June 1991.CrossRefGoogle Scholar
  6. R. Colbaugh, H. Seraji, and K. Glass. Adaptive compliant motion control for dextrous manipulators. Journal of Robotic Systems, 14: 270–280, June 1995.Google Scholar
  7. Bruno Siciliano and Luigi Villani. A passivity-based approach to force regulation and motion control of robot manipulators. Automatica, 36, 1996.Google Scholar
  8. Mark W. Spong and M. Vidyasagar. Robot dynamics and control. John Wiley and Sons, Inc., Republic of Singapure, 1989.Google Scholar
  9. R. J. Bickel and M. Tomizuka. Disturbance observer based hybrid impedance control of robotic manipulators. American Control Conference, June 1995.Google Scholar

Copyright information

© Springer Science+Business Media Dordrecht 1997

Authors and Affiliations

  • Luís F. Baptista
    • 1
  • José M. G. Sá da Costa
    • 1
  1. 1.Instituto Superior Técnico Department of Mechanical Engineering, GCAR/IDMECTechnical University of LisbonLisboa CodexPortugal

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