Blade damage evaluation apparatus, blade damage evaluation method, and blade damage evaluation program

A blade damage evaluation apparatus includes: a registration unit 20 for design information D of a turbine and maintenance information K; an acquisition unit 15 for detection data 16 of sensors 17; a first discrimination processor 31 for first facility states of the turbine at a plurality of past time points; a classification processor 26 for classes C, of a plurality of first facility states Q1; a first determination processor 31 for first operating state values P1 of the turbine; another registration unit for first damage rates at past time points; a setting processor 25 of a characteristic function f, for each of the classes Cn; a second discrimination processor 22 for a second facility state Q2 of the turbine at the current time point; a second determination processor 32 for a second operating state value P2 of the turbine at the current time point; and an analyzer 27 for a second damage rate R2 at the current time point. 20 -.. R 1 (203) FIRST ACQUISITION r15 DAMAGE RATE UNIT D (20 1) K (20 2) 16a (16) 16b(16) DESIGN MAINTENANCE DETECTION DATA DETECTION DATA INFORMATION INFORMATION (tm;m=l1M-1) (tm;m=M) 21 22 31 32 FIRST SECOND FIRST SECOND DISCRIMINATION DISCRIMINATION DETERMINATION DETERMINATION PROCESSOR PROCESSOR PROCESSOR PROCESSOR FIRST SECOND FIRST SECOND FACILITY STATE FACILITY STATE OPERATING OPERATING (tm;m=1~M-1) (tm;m=M) STATE VALUE STATE VALUE CLASSIFICATION SETTING ANALYZER PROCESSOR PROCESSOR C In CLASS CHARACTERISTIC DAMAGE RATE (n=1 N) FUNCTION (n=1~N) 45 CALCULATOR U DAMAGEAMOUNT FIG. 1 46 EVALUATOR