Flowchart of the proposed estimation approach. (IMAGE)
Caption
The whole procedure of the proposed estimation approach can be divided into two stages. The objective of the offline stage is to model the compensation term at TM0 by using nonlinear polynomials and identify it by using the least squares method. In the online stage, the difference of d’q’-axis voltages at TMt will be computed to estimated PM temperature, in which inverter effect and saturation effect will be compensated.
Credit
CES Transactions on Electrical Machines and Systems
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License
CC BY-NC