The motion stabilization problem for the systems with friction force acting as disturbance has been considered. Two friction observer algorithms have been proposed to estimate the Coulomb friction force. One estimates the magnitude of the friction force only, while the other estimates the state and the friction force, simultaneously. The latter is robust to the measurement noise but needs more computation. The simulation study has showed that the compensation using the proposed friction observers greatly improves the stabilization performance.
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Kim, K.-., Park, Y. Adaptive friction compensation or motion stabilization. KSME Journal 10, 31–36 (1996). https://doi.org/10.1007/BF02953941
- Motion Stabilization
- Friction Observer
- Feedforward Friction Compensation
- Stabilization Performance