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A novel observer approach for self sensing of single-coil digital valves

  • Observer-based self sensing for digital (on–off) single-coil solenoid valves is investigated. Self sensing refers to the case where merely the driving signals used to energize the actuator (voltage and coil current) are available to obtain estimates of both the position and velocity. A novel observer approach for estimating the position and velocity from the driving signals is presented, where the dynamics of the mechanical subsystem can be neglected in the model. Both the effect of eddy currents and saturation effects are taken into account in the observer model. Practical experimental results are shown and the new method is compared with a full-order sliding mode observer.

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Author:Tristan BraunORCiD, Johannes ReuterORCiD, Joachim RudolphORCiD
Parent Title (English):20th World Congress of the International Federation of Automatic Control, (IFAC 2017), 9-14 July 2017, Toulouse, France (IFAC-PapersOnLine Vol. 50, Iss. 1)
Document Type:Conference Proceeding
Year of Publication:2017
Release Date:2019/07/30
Tag:Self sensing actuators; Observer design; Singular perturbation analysis
First Page:782
Last Page:787
Volltextzugriff für Angehörige der Hochschule Konstanz möglich.
Relevance:Keine peer reviewed Publikation (Wissenschaftlicher Artikel und Aufsatz, Proceeding, Artikel in Tagungsband)
Open Access?:Nein
Licence (English):License LogoLizenzbedingungen Elsevier