Modelling and identification for control of gas bearings
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- 作者：Lukas R.S. Theisena ; lrst@elektro.dtu.dk" class="auth_mail" title="E-mail the corresponding author ; Hans H. Niemanna ; hhn@elektro.dtu.dk" class="auth_mail" title="E-mail the corresponding author ; Ilmar F. Santosb ; ifs@mek.dtu.dk" class="auth_mail" title="E-mail the corresponding author ; Roberto Galeazzia ; rg@elektro.dtu.dk" class="auth_mail" title="E-mail the corresponding author ; Mogens Blankea ; c ; mb@elektro.dtu.dk" class="auth_mail" title="E-mail the corresponding author
- 关键词：Active gas bearings ; Experimental techniques ; Grey-box modelling ; Rotordynamics ; System identification
- 刊名：Mechanical Systems and Signal Processing
- 出版年：2016
- 出版时间：March 2016
- 年：2016
- 卷：70-71
- 期：Complete
- 页码：1150-1170
- 全文大小：4195 K
文摘
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The paper shows an identification based procedure for modelling of gas bearing systems.
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The procedure uses grey-box system identification techniques and can be applied in situ.
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A linear parameter varying model is derived from the identified models of a test rig.
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A controller is designed using the model and shown to enhance the damping significantly.
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All results are validated experimentally to confirm the suitability of the procedure.