Abstract
One of the most common hard nonlinearities in hydraulic actuator is the dead-zone. More specifically, dead-zone characterizes hydraulic control valves when its spool occludes the orifice with an overlap, so that for a range of spool positions there is no fluid flow. This paper focuses on an alternative nonlinear estimation method that is able to fully take into account dead-zone hard nonlinearity and measurement noise. The estimator is based on the State-Dependent-Riccati-Equation (SDRE).
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Strano, S., Terzo, M. (2017). Riccati Equation Based Nonlinear Filter: A Case Study for Hydraulic Actuators in the Presence of Dead-Zone. In: Boschetti, G., Gasparetto, A. (eds) Advances in Italian Mechanism Science. Mechanisms and Machine Science, vol 47. Springer, Cham. https://doi.org/10.1007/978-3-319-48375-7_16
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DOI: https://doi.org/10.1007/978-3-319-48375-7_16
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Online ISBN: 978-3-319-48375-7
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