A switching observer for sensorless control of an electromagnetic valve actuator for camless internal combustion engines

Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

Authors

In this paper, the design and operation of a special electromagnetic motor as a variable engine valve actuator are presented. Further, this paper presents feasible approximated velocity switching estimator based on measurements of current and input voltage to achieve sensorless control. This approach avoids a more complex structure for the observer and yields an particular control strategy with an acceptable performance. In general, this approach can represent a viable strategy to build reduced-order observer to estimate not only velocity but also position of a such as type of systems through the measurement of input current and input voltage. This control strategy is presented and discussed as well. Computer simulations of the sensorless control structure are presented in which results are visible in the closed-loop control.

Original languageEnglish
Title of host publication2011 50th IEEE Conference on Decision and Control and European Control Conference, CDC-ECC 2011
EditorsIEEE Control Systems Society , European Union Control Association
Number of pages6
PublisherIEEE - Institute of Electrical and Electronics Engineers Inc.
Publication date2011
Pages946-951
Article number6161316
ISBN (print)978-1-612-84800-6
ISBN (electronic)978-1-612-84799-3, 978-1-612-84801-3
DOIs
Publication statusPublished - 2011
Externally publishedYes
EventIEEE Conference on Decision and Control and European Control Conference - CDC-ECC 2011 - Orlando, FL, United States
Duration: 12.12.201115.12.2011
Conference number: 50
http://www.ieeecss.org/CAB/conferences/cdcecc2011/

    Research areas

  • Engineering - Actuators, digital signal processors, observer, observability, nonlinear systems

DOI

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