Comprehensive evaluation method for surface integrity of laser paint removal matrix of aircraft aluminum alloy skin

The invention relates to the technical field of aircraft aluminum alloy skin laser paint removal, in particular to a comprehensive evaluation method for aircraft aluminum alloy skin laser paint removal matrix surface integrity. Comprising the steps of S1, determining a surface integrity evaluation index, S2, constructing a multi-stage comprehensive evaluation system, S3, determining an evaluation grade, S4, determining an index set and an evaluation set, S5, determining a first-stage index weight, S6, determining a second-stage index weight, S7, constructing an evaluation (membership) matrix of a second-stage index, S8, performing first-stage comprehensive evaluation on each index, S9, constructing an evaluation (membership) matrix of the first-stage index, and S10, performing first-stage comprehensive evaluation on each index. S11, a final conclusion is obtained, the final target is evaluated according to the evaluation grade according to the calculation result and the maximum membership degree principle, an