Implementation of vibration and stability evaluation criteria for rotating machineries equipped with active magnetic bearings
نویسندگان
چکیده
منابع مشابه
Vibration Based Condition Monitoring in Rotating Machineries
In Chapters 15 and 16, the measurement and signal processing techniques, transducers, signal conditioners and signal analysis equipments are described, which are used in the rotating machinery condition monitoring. It is very important to display the measured signal in convenient form so as to be useful for the interpretation of the condition of rotating machinery. In the present chapter, by lo...
متن کاملCondition Monitoring of Rotating Machinery using Active Magnetic Bearings
The concept that changes in the dynamic behaviour of a rotor could be used for general fault detection and monitoring is well established. Current methods rely on the response of the machine to unbalance excitation and are mainly based on pattern recognition approaches. However these methods are relatively insensitive and the crack must be large before it can be robustly detected. Active magnet...
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The literature of active magnetic bearing (AMB) technology dates back to at least 1937 when the earliest work that clearly describes an active magnetic bearing system was published by Jesse Beams [1]. Progress on the technology was modest until the late 1970s, when commercial development began to emerge as, for instance, described by Haberman and Liard in 1977 [2]. The state of the art in 1988 ...
متن کاملH∞ Robust Controller Design and Experimental Analysis of Active Magnetic Bearings with Flexible Rotor System
H∞ controller for active magnetic bearings (AMBs) with flexible rotor system was designed in this paper. The motion equations of AMBs and flexible rotor system are built based on finite element methods (FEM). Weighting function matrices of H∞ controller for AMBs are studied for both the sensitivity and the complementary sensitivity of H∞ control theory. The simulation shows that the H∞ control ...
متن کاملModeling and control of rotating shaft with magnetic bearings
The paper presents control system for positioning of rotating shaft ends with magnetic bearings. Problem of identification and modelling is presented as well as control algorithms. The main difficulty of the control are disturbances caused by rotation (controlled by push-pull drivers) of the shaft. Weighted minimumvariance controller has been applied and compared with built-in PD controllers. T...
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ژورنال
عنوان ژورنال: Advances in Mechanical Engineering
سال: 2021
ISSN: 1687-8140,1687-8140
DOI: 10.1177/1687814020987347