Analysis of magnetic driven non bearing oil free scroll compressor

In order to explore the axial electromagnetic dynamic balance force curve of a scroll compressor under the action of thermal energy, radial clearance, mechanism friction, and other factors in actual working conditions, an axial force exploration method that can automatically approach sections is proposed in this paper. Considering the dynamic response ability of the electromagnetic balance system, an automatic optimization algorithm of the partition number was proposed to find the optimal partition number in order to achieve the optimal tracking effect. An experimental platform was built to test the effect of the segmented tracking method on calibrating the deviation between the theoretical axial force curve and the real curve. The results show that the curve construction method proposed in this paper has convergence. This method can automatically and accurately construct the axial balance force curve required by the electromagnetic dynamic balance. Through the automatic optimization algorithm, the standard error (RMSE) between the target curve and the theoretical curve was reduced from 290 to 22.6, and the number of partitions with the lowest standard error was 20. The results provide a useful reference for the accurate, automatic, and efficient exploration of the actual axial sealing force of the scroll compressor.

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Analysis of magnetic driven non bearing oil free scroll compressor

Cited by 2 publications

References 1 publication

EM Servo Control for Axial Force Balance of Scroll Compressors Without Online Force Sensors

EM Servo Control for Axial Force Balance of Scroll Compressors Without Online Force Sensors

Target Force Curve Searching Method for Axial Electromagnetic Dynamic Balance of Scroll Compressor

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