Lead-Lag-Shaped Interactive Force Estimation by Equivalent Output Injection of Sliding-Mode
Michael Ruderman
Abstract:Estimation of interactive forces, which are mostly unavailable for direct measurement on the interface between a system and its environment, is an essential task in various motion control applications. This paper proposes an interactive force estimation method, based on the well-known equivalent output injection of the second-order sliding mode. The equivalent output injection is used to obtain a frequency-unshaped quantity that appears as a matched external disturbance and encompasses the interactive forces. … Show more
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