PART BASED UPGRADE OF A VACUUM CLEANER MOTOR
Upgrading is the most frequent way of keeping an existing product competitive on the market. On the example of a vacuum cleaner motor, the article presents the use of prescriptive model for upgrading existing products. Improvements on the parts that have been subject to the smallest number of changes in the past have been proposed, as it is presumed that they have the greatest potential for economically justifiable changes. Using the descriptive statistics, it was our aim to eliminate subjectivity from defining the future changes. The method is suitable for products with some tradition as it forces seeking improvements in the areas that have not been subject to appropriate attention in the past.