OIL WHIP ELIMINATION USING FUZZY LOGIC CONTROLLER

被引：0

作者：

Dimitri, A. S. ^{[1
]}

Mahfoud, J. ^{[2
]}

Ei-Shafei, A. ^{[1
]}

机构：

[1] Cairo Univ, Dept Mech Design & Prod, Fac Engn, Giza, Egypt

[2] Univ Lyon, INSA Lyon, LaMCoS UMR5259, Villeurbanne, France

来源：

PROCEEDINGS OF THE ASME TURBO EXPO: TURBINE TECHNICAL CONFERENCE AND EXPOSITION, 2014, VOL 7A | 2014年

关键词：

BEARING SYSTEMS; ROTOR; STABILITY; VIBRATION;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Oil whip is a self-excited sub-synchronous vibration which limits the range of operating speed of Journal Bearings (JB). JIB have wide range of applications due to their high loading capacity, simple geometry, and lubrication. When the speed of rotation increases, the oil whip instability is excited with a frequency corresponding to the rotor critical speed which causes excessive undesirable vibration. A solution for this instability is implemented through this paper. The control action is implemented through a new integrated bearing device. The bearing consists of JB and Electromagnetic Actuator (EMA). The oil whip control action is applied through the EMA. A fuzzy logic control algorithm is developed and experimentally applied to a rotor test rig. The fuzzy logic controller is suitable to deal with problems of uncertainties and non-linearity. The experimental results show the ability of the developed fuzzy logic controller to eliminate the oil whip instability when applied to a test rig which simulates industrial rotor through an integrated bearing prototype which was designed and manufactured.

引用

页数：9

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