Satisfaction assessment and analysis for power customer based on interval type-2 fuzzy sets

In the paper, the customer satisfaction index for power system is measured based on the characteristics of the power supply service quality. For the uncertainty of assessment, interval type-2 fuzzy set (IT2FS) is applied to evaluate it. The model of improving the power customer satisfaction is built and the corresponding linguistic dynamic orbits are given. In addition, the feasibility and effectiveness of the method is validated by an example.