2019
DOI: 10.1109/access.2019.2938222
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Unbalance Compensation and Automatic Balance of Active Magnetic Bearing Rotor System by Using Iterative Learning Control

Abstract: Active control is one of the most important advantages of active magnetic bearing (AMB), and also can be used to suppress the imbalance of AMB rotor system (AMB-RS). This paper aims at dealing with periodic vibration problem caused by unbalanced force existing in AMB-RS as the rotor spins. Firstly, with the advantages of iterative learning control (ILC) over repetitive problems, a novel ILC algorithm based on the system information of the iteration before last iteration is put forward to achieve parallel compu… Show more

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Cited by 29 publications
(17 citation statements)
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“…Du et al [17] and Xu et al [18] investigated the electromagnetic aspects of the rotor AMBs systems. Zheng et al [19,20], Yao et al [21], and Gao et al [22] introduced different advanced control techniques to stabilize the lateral vibrations of the rotor AMBs system.…”
Section: Introductionmentioning
confidence: 99%
“…Du et al [17] and Xu et al [18] investigated the electromagnetic aspects of the rotor AMBs systems. Zheng et al [19,20], Yao et al [21], and Gao et al [22] introduced different advanced control techniques to stabilize the lateral vibrations of the rotor AMBs system.…”
Section: Introductionmentioning
confidence: 99%
“…Then, three groups of simulation as shown in Table 2 are carried out for comparative analysis. The ILC parameters are set according to equations (31), (32), and (33), and k = 50 to distinctly observe the ILC process. The simulation results are shown in Figures 6 and 7.…”
Section: The Results Of Simulationmentioning
confidence: 99%
“…Certainly, there are other combinations. 31,32 From Figure 3, the iterative learning controller (ILC-2) described in equations (7), (31), (32), and (33) for AMB rotor unbalance control is applied in parallel with PID controller. There are many advantages using this parallel control mechanism, such as the existing CFCS can be used to stabilize the AMB system and suppress the non-periodic vibration disturbances, which can make up for the deficiency of ILC-2.…”
Section: Parallel Ilc Mechanism Based On Cfcsmentioning
confidence: 99%
“…When the coils are energized, electromagnetic forces in the corresponding direction will be generated to levitate the shaft to support it in the bearing cavity without contact. A synchronous radial force can be applied to the shaft to counterbalance the imbalance [134].…”
Section: Electromagnetic Actuatormentioning
confidence: 99%