Monitor and Diagnosis for Rotor System by Active Magnetic Bearings
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概要
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The number of Active Magnetic Bearing (AMB) equipped rotating machines has been increasing remarkably in the last few years. It can be pointed out that the turbo molecular vacuum pump (TMP) is the most successful application for AMB system as a series production. Furthermore, machine-tool spindle, flywheel energy storage system, Helium cold compressor, general-purpose gas blower and other turbo machine are also interesting application fields for AMB. One of the outstanding functions of AMB is "Monitoring" (Data acquisition) of displacement, vibration and imbalance of such rotor system during operation by means of already integrated displacement sensor system. An other function of note is "Diagnosis" of the rotor system. Thanks to digital control technology using digital signal processor (DSP) for AMB, "Monitoring" and "Diagnosis" can be carried out much easier and faster than by the classical analogue controller. The serial communication from PC to the target DSP is also available through a modem, which even allows accessing of a system installed in an over seas location. In this paper the above mentioned "Monitoring" and "Diagnosis" of the rotor system are discussed associating to "Digitally controlled AMB".
- 一般社団法人日本機械学会の論文
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関連論文
- Unbalance Vibration Control of Magnetic Bearing Systems Using Adaptive Algorithm with Disturbance Frequency Estimation
- Robust Control of Magnetic Bearing Systems Using μ-Synthesis with Descriptor Form
- H^∞ Control of Milling AMB Spindle
- Monitor and Diagnosis for Rotor System by Active Magnetic Bearings