# Model based landing control for a bistable electromagnetic actuator with discontinuous dynamics

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Author(s) Gill, Rajan J., Wahrburg, Arne, Craciun, Octavian, Listmann, Kim, Reuber, Christian
Publication Type Conference Contributions, Publication Status: Published
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## Detailed Information

Title Model based landing control for a bistable electromagnetic actuator with discontinuous dynamics
Author(s) Gill, Rajan J.
Wahrburg, Arne
Craciun, Octavian
Listmann, Kim
Reuber, Christian
Book Title 2015 IEEE Conference on Control and Applications (CCA 2015), September 21-23, 2015, Sydney, Australia. Proceedings
ISBN 978-1-4799-7787-1
Start Page 1479
End Page 1485
Publisher IEEE
Publication Place Piscataway, NJ
Publication Date 2015
Abstract A design approach is presented to address the soft landing problem for electromagnetic actuators with discontinuous dynamics. The approach uses finite-element-analysis to generate the static functions that make up the dynamic model, as opposed to traditional methods of deriving/fitting an analytical model of the system. The mappings are then implemented as look-up-tables to form a feedback controller. The actuator is also challenging for control: it is bistable due to the presence of a permanent magnet for holding, and consists of multiple springs that are active at different regions of operation, creating discontinuities in the dynamics. The discontinuous dynamics are handled by designing a corresponding discontinuous trajectory in state space and feed-forward control signals, thereby avoiding undesired transients when switching between the springs. Simulation results are presented showing the robustness of the controller in the presence of model perturbations and measurement noise, as well as successfully crossing the dynamic discontinuity without transients.
DOI 10.1109/CCA.2015.7320820
Event Name 2015 IEEE Conference on Control Applications, CCA
Event Location Sydney, Australia
Event Date September 21-23, 2015
Document Type Conference Paper
Publication Status Published
Language English
Assigned Organisational Unit(s) 03758
Organisational Unit(s)
Source Database ID FORM-1449741036
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@inproceedings{Gll2015,
author = "Gill, Rajan J. and Wahrburg, Arne and Craciun, Octavian and Listmann, Kim and Reuber, Christian",
title = "{M}odel based landing control for a bistable electromagnetic actuator with discontinuous dynamics",
booktitle = "2015 IEEE Conference on Control and Applications (CCA 2015), September 21-23, 2015, Sydney, Australia. Proceedings",
year = 2015,
pages = "1479--1485",