Method of evaluating easiness of works and processings performed on articles and evaluation apparatus

A method of operating a computer for quantitatively evaluating whether an article has a structure which facilitates work to be performed thereon, comprising:

• registering data in said computer and processing the data to evaluate easiness of work to be performed on an article under evaluation,
• said registering delta in said computer includes the steps of:
• (a) inputting into an input unit and registering in a basic element storage part of a storage unit(i) a plurality of states corresponding to parts constituting said article, said states being classified into basic elements, respectively, (ii) at least one value of standard work cost and required time and indexes thereof associated with performing work on a part having said basic elements in a standard state, and (iii) corresponding identification symbols of said basic elements,
• (b) inputting into the input unit and registering in a supplementary element storage part of said storage unit, (i) a plurality of factors other than said basic elements which exert influence to the work cost and the required time for each of said basic elements, and the indexes thereof, said factors being classified into supplementary elements, respectively, (ii) values of standard work costs and standard required times associated with the work to be performed on said parts in each of said states and indexes thereof, respectively, and (iii) corresponding identification symbols of said supplementary elements, respectively,
• (c) selecting as standard elements from the registered basic elements, those basic elements which represent predetermined states to serve as standards, while supplementary standards representing predetermined states serving as standards, are inputted for said registered supplementary elements, respectively, both of said standard elements and said supplementary standards being registered in a standard storage part of said storage unit,
• (d) determining basic elimination scores indicating degrees of difficulty of the works to be performed for said basic elements, respectively, based on at least one of the work costs, the required times and the indexes thereof for said basic elements, respectively, with reference to at least one of the work costs, the required times and the indexes thereof for said standard elements, and subsequently registering the basic elimination scores in said basic element storage part, and
• (e) determining supplementary coefficients representing degrees of difficulty of the works for the states of said supplementary elements based on at least one of the work costs, the required times and the indexes thereof for the states of said supplementary elements with reference to at least one of the work costs, the required times and the indexes thereof for supplementary standards of said supplementary elements, respectively, and subsequently registering the supplementary coefficients in said supplementary element storage part,
• said data processing to evaluate easiness of work to be performed on the article under evaluation includes the steps of:
• (f) inputting through said input unit, the identification symbols representing the basic elements and the supplementary elements for each of the parts constituting said article under evaluation,
• (g) reading basic elimination scores and supplementary coefficients from said basic element storage part and said supplementary element storage part on the basis of the inputted identification symbols representing the basic elements and the supplementary elements of each of said parts,, and
• determining part elimination scores based on said basic elimination scores and said supplementary coefficients as read out, in accordance with a first index function prescribed such that an increasing value is given when at least one of the work cost, the required time and the indexes thereof for each of said parts, increases as compared with at least one of work cost, required time and index thereof for a part standard corresponding to said part,
• said part standard having said standard elements, and all of the supplementary elements other than the supplementary element representing size being the supplementary standards and each having a size of a predetermined ratio,
• (h) arithmetically determining a part-based work easiness evaluation score indicating the degree of difficulty of work for each of the parts, by decreasing or increasing the part elimination score from a predetermined standard value,
• (i) determining an article elimination score based on said part-based work easiness evaluation scores, in accordance with a second index function which produces an increasing value when at least one of the work cost, the required time and the indexes thereof for said article under evaluation, as determined by summing at least one of the work costs, the required times and the indexes thereof, increases as compared with at least one of the work cost, the required time and the indexes thereof for an article standard, said article standard being a standard of the article under evaluation which is assumed to be constituted by a combination of said part standards,
• (j) generating an article-based work easiness evaluation score indicating a degree of difficulty of the work for the article under evaluation by decreasing or increasing the value of the article elimination score from a predetermined standard value, and
• (k) outputting said article-based work easiness evaluation score through an output unit.

A method of operating a computer for evaluating whether an article has a structure which facilitates work to be performed thereon, comprising:

• registering data, in said computer and processing to data to evaluate easiness of work to be performed on an article under evaluation,
• said registering delta in said computer includes the steps of:
• (a) inputting into an input unit and registering in a basic storage part of a storage unit (i) a plurality of states corresponding to parts constituting said article, said states being classified into basic elements, respectively, (ii) at least one value of standard work cost and required time and indexes associated with performing work on a part having said basic elements in a standard state, and (iii) corresponding identification symbols of said basic elements,
• (b) inputting into the input unit and registering in a supplementary element storage part of said storage unit (i) a plurality of factors other than said basic elements which exert influence to the work cost and the required time for each of said basic elements and the indexes thereof, said factors being classified into supplementary elements, respectively, (ii) values of standard work costs and standard required times associated with the work to be performed on said parts in each of said states and indexes thereof, respectively, and (iii) corresponding identification symbols of said supplementary elements, respectively,
• (c) selecting as standard elements from the registered basic elements, those basic elements which represent predetermined states to serve as standards, while supplementary standards representing predetermined states serving as standards, are inputted for said registered supplementary elements, respectively, both of said standard elements and said supplementary standards being registered in a standard storage part of said storage unit,
• (d) determining basic elimination scores indicating degrees of difficulty of the works to be performed for said basic elements, respectively, based on at least one of the work costs, the required times and the indexes thereof for said basic elements, respectively, with reference to at least one of the work costs, the required times and the indexes thereof for said standard elements, and subsequently registering the basic elimination scores in said basic element storage part, and
• (e) determining supplementary coefficients representing degrees of difficulty of the works for the states of said supplementary elements based on at least one of the work costs, the required times and the indexes thereof for the states of said supplementary elements with reference to at least one of the work costs, the required times and the indexes thereof for supplementary standards of said supplementary elements, respectively, and subsequently registering the supplementary coefficients in said supplementary element storage part,
• said data processing to evaluate easiness of work to be performed on the article under evaluation includes the steps of:
• (f) inputting through said input unit, the identification symbols representing the basic elements and the supplementary elements for each of the parts constituting said article under evaluation,
• real values of the work costs, real values of the required times or real values of indexes thereof for an existing article and existing parts bearing similarities to said article and said parts and identification symbols representing basic elements and supplementary elements of said existing parts,
• (g) reading basic elimination scores and supplementary coefficients from said basic element storage part and said supplementary element storage part on the basis of the inputted identification symbols representing the basic elements and the supplementary elements of each of said parts, and
• determining part elimination scores based on said basic elimination scores and said supplementary coefficients as read out, in accordance with a first index function which produces an increasing value when at least one of the work cost, the required time and the indexes thereof for each of said parts, increases as compared with at least one of work cost, required time and index thereof for a part standard corresponding to said part,
• said part standard having said standard elements, and all of the supplementary elements other than the supplementary element representing size being the supplementary standards and each having a size of a predetermined ratio,
• (h) arithmetically determining a part-based work easiness evaluation score indicating the degree of difficulty of work for each of the parts, by decreasing or increasing the part elimination score from a predetermined standard value,
• (i) determining an article elimination score based on said part-based work easiness evaluation scores, in accordance with a second index function which produces an increasing value when at least one of the work cost, the required time and the indexes thereof for said article under evaluation, as determined by summing at least ones of the work costs, the required times and the indexes thereof, increases as compared with at least one of the work cost, the required time and the indexes thereof for an article standard,
• said article standard being a standard of the article under evaluation which is assumed to be constituted by a combination of said part standards,
• (j) generating an article-based work easiness evaluation score indicating the degree of difficulty of the work for the article under evaluation, by decreasing or increasing the value of the article elimination score from a predetermined standard value,
• (k) reading said basic elimination scores and said supplementary coefficients from said basic element storage part and said supplementary element storage part based on the inputted identification symbols representing the basic elements and the supplementary elements of each of said existing parts, and
• determining part elimination scores for said existing parts based on said basic elimination scores and said supplementary coefficients read out in accordance with said first index function,
• determining (i) a part-based work easiness evaluation score for each of said existing parts depending on increase or decrease of said part elimination score, from said predetermined standard value, and
• (ii) an article-based work easiness evaluation score of said existing article based on said part-based work easiness evaluation scores, in accordance with said second index function,
• (l) comparing the part-based work easiness evaluation scores of the parts of the article under evaluation with the part-based work easiness evaluation scores of said existing parts on the basis of the real values of the work costs, the real values of the required times or real values of the indexes thereof for the existing parts, to determine estimated values of the work costs, the required times or the indexes thereof for the parts under evaluation,
• (m) comparing the article-based work easiness evaluation score of the article under evaluation with the article-based work easiness evaluation score of said existing article, on the basis of the real values of the work costs, the real values of the required times or real values of the indexes thereof for the existing article, to determine estimated values of the work costs, the required times or the indexes thereof for the article under evaluation, and
• (n) outputting the estimated values of said article-based work easiness evaluation score, said part-based work easiness evaluation scores and the work costs as well as the required times or indexes thereof for said article under evaluation and parts.