Impedance learning for robots interacting with unknown environments

  • Li Y
  • Ge S
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In this paper, impedance learning is investigated for robots interacting with unknown environments. A two-loop control framework is employed and adaptive control is developed for the inner-loop position control. The environments are described as time-varying systems with unknown parameters in the state-space form. The gradient-following and betterment schemes are employed to obtain a desired impedance model, subject to unknown environments. The desired interaction performance is achieved in the sense that a defined cost function is minimized. Simulation and experiment studies are carried out to verify the validity of the proposed method.

Author-supplied keywords

  • Adaptive control
  • impedance learning
  • interaction control
  • robotic control
  • unknown environment

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  • Yanan Li

  • Shuzhi Sam Ge

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