On-line Quality Control During Production

actual adjustment cost amount annual assembly assume automatic system average processing average trouble occurrence becomes better breaks calculation calibration cause chapter characteristics compared condition connected decrease defective product diagnosis cost diagnosis-adjustment difference discussed elemental process engine equal equation error estimated evaluate example existing follows gain given half hand Hence human important improvement increases indicates inspection interruption introduced less loss due loss function M₁ means measurement measurement device method minutes necessary needed normal obtained occurs once operation optimal optimal diagnosis interval parameters periodical checking periodical maintenance positive machine trouble prediction preventive maintenance problem production process quality control system reduce relating result safety device second term shown species spindles stopping Suppose Table taken takes tool change trouble occurrence interval unit usually variance variation