CN105976132A - Quantitative evolution system and method for quality - Google Patents
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Abstract
The invention provides a quantitative evolution system and method for the quality. The system comprises a splitting unit, a part evaluation unit and a product evaluation unit. The splitting unit is used for splitting a first product with quality evaluation to be done, thereby obtaining all parts forming the first product; the part evaluation unit is used for carrying out quality quantitative evolution on each part according to quantitative evolution results of a plurality of quality characteristics of each part after splitting, thereby obtaining a quality quantitative evolution result of each part; and the product evaluation unit is used for determining a quality quantitative evaluation result of the first product based on the quality quantitative evolution result of each part. According to the invention, the obtained quality evaluation results of the parts and product are quantitative quality evaluation results, so that the results are credible are more meaningful.
Description
Technical field
The present embodiments relate to Quality Control Technology field, be specifically related to a kind of quality quantification and evaluate system and method.
Background technology
During traditional product quality in kind is evaluated, typically simply product is divided into certified products, defective work, this division
The judgement that the comparing result mainly required according to mass property testing result and mass property is made, this side of evaluation simply
Method is unfavorable for that enterprise carries out product quality improvement.
Summary of the invention
For the problems of the prior art, the present invention provides a kind of quality quantification to evaluate system and method, and the present invention obtains
The quality evaluation result of parts and product is the quality evaluation result quantified, the most credible and more reference significance.
For solving above-mentioned technical problem, the present invention provides techniques below scheme:
First aspect, the invention provides a kind of quality quantification and evaluates system, including: split cells, parts are evaluated single
Unit and product evaluation unit；
Described split cells, for splitting the first product of pending quality evaluation, obtains composition described first
Each parts of product；
Described parts evaluation unit, for commenting according to the quantization of the multiple mass propertys splitting each parts obtained
Valency result carries out quality quantification evaluation respectively to each parts, obtains the quality quantification evaluation result of each parts；
Described product evaluation unit, for determining described first product according to the quality quantification evaluation result of each parts
Quality quantification evaluation result.
Preferably, described parts evaluation unit specifically includes: acquisition module, first determines module, second determine module
With quantitatively evaluating module；
Described acquisition module, for obtaining multiple mass propertys of each parts respectively；
Described first determines module, for determining the score value of multiple mass propertys of each parts respectively；
Described second determines module, for determining the weight of multiple mass propertys of each parts respectively；
Described quantitatively evaluating module, score value and weight for the multiple mass propertys according to each parts obtain often
The quantitative evaluation result of multiple mass propertys of individual parts, and comment according to the quantization of multiple mass propertys of each parts
Valency result obtains the quality quantification evaluation result of each parts.
Preferably, described quantitatively evaluating module, specifically for respectively obtaining the matter of each parts according to following formula one
Amount quantitative evaluation result:
Wherein, C is the quality quantification evaluation result of a certain parts, and n is the number of this component quality characteristic；ciFor this
The quantitative evaluation result of parts i-th mass property；aiWeight for this parts i-th mass property；biFor these parts
The score value of i-th mass property；
I≤n, n, i are positive integer.
Preferably, described first determines module, specifically for determining, according to following formula two, certain that a certain parts comprise
The score value of individual mass property:
Wherein, biScore value for a certain parts i-th mass property；W is the actual measured value of this mass property；G is
The upper limit of this mass property measured value interval of acceptance；F is the lower limit of this mass property measured value interval of acceptance；P is that this quality is special
The upper limit of property evaluation interval；Q is the lower limit of this mass property evaluation interval.
Preferably, described first determines module, specifically for determining, according to following formula three, certain that a certain parts comprise
The score value of individual mass property:
Wherein, biScore value for a certain parts i-th mass property；W is the actual measured value of this mass property；G is
The upper limit of this mass property measured value interval of acceptance；F is the lower limit of this mass property measured value interval of acceptance；P is that this quality is special
The upper limit of property evaluation interval；Q is the lower limit of this mass property evaluation interval.
Preferably, described first determines module, specifically for determining, according to following formula four, certain that a certain parts comprise
The score value of individual mass property:
Wherein, biScore value for a certain parts i-th mass property；W is the actual measured value of this mass property；G is
The lower limit of this mass property measured value interval of acceptance；F is the upper limit of this mass property measured value interval of acceptance；X is that this quality is special
Property evaluation interval scope optimal value；S is the value that fluctuates of this mass property evaluation interval scope optimal value.
Preferably, when certain mass property that a certain parts comprise is non-quantized characteristic, described first determines module
When this mass property is determined score value, specifically to meeting imparting 100 score value of preset design requirement, set for not meeting
Imparting 0 score value that meter requires.
Preferably, described product evaluation unit, specifically for the quality quantification evaluation result according to each parts and
The weight of each parts determines the quality quantification evaluation result of described first product；
Specifically, according to following formula five, described product evaluation unit is for determining that the quality quantification of described first product is commented
Valency result:
Wherein, E is the quality quantification evaluation result of the first product；CiFor forming the matter of the i-th parts of the first product
Amount quantitative evaluation result；AiIt it is the weight of i-th parts；N >=i, n, i are positive integer.
Preferably, described product evaluation unit, specifically for the quality quantification evaluation result according to each parts, each
The score value of multiple synthesis mass propertys that the combination of the weight of parts, each parts produces when forming the first product, and often
The weight of individual synthesis mass property, determines the quality quantification evaluation result of described first product；
Specifically, according to following formula six, described product evaluation unit is for determining that the quality quantification of described first product is commented
Valency result:
Wherein, E is the quality quantification evaluation result of the first product；DiFor the i-th parts quality amount to the first product
Change the contribution part evaluated；DjThe contribution part quality quantification of the first product evaluated for jth synthesis mass property；CiFor
The quality quantification evaluation result of i-th parts；AiIt it is the weight of i-th parts；CjIt it is dividing of jth synthesis mass property
Value；AjIt it is the weight of jth synthesis mass property；M is the number of the parts that the first product comprises；m1
For synthesizing the number of mass property；I≤m, j≤m+m1, m, m1, i, j are positive integer.
Second aspect, present invention also offers a kind of application quality quantification evaluation system as described in any one above and carries out
The method that quality quantification is evaluated, including:
Use split cells that the first product of pending quality evaluation is split, obtain and form described first product
Each parts；
Use parts evaluation unit according to the quantitatively evaluating knot of the multiple mass propertys splitting each parts obtained
Fruit carries out quality quantification evaluation respectively to each parts, obtains the quality quantification evaluation result of each parts；
Product evaluation unit is used to determine the matter of described first product according to the quality quantification evaluation result of each parts
Amount quantitative evaluation result.
As shown from the above technical solution, quality quantification of the present invention evaluates system, due to according to each parts
The quantitative evaluation result of multiple mass propertys carries out quality quantification evaluation respectively to each parts, therefore can obtain each zero
The quality quantification evaluation result of parts.Meanwhile, the quality quantification evaluation result according to each parts may determine that the matter of product
Amount quantitative evaluation result.Visible, use the quality evaluation result that evaluation system of the present invention obtains owing to combining each zero
The quantitative evaluation result of each mass property of parts, hence in so that the evaluation result obtained is the most credible and more refers to
Property.These quantitative evaluation results are arranged according to time shaft, can more every kind of parts, the quality condition of every kind of product
Distribution, by control and analyze its fluctuation, it is possible to obtain the chance of quality improvement.Between different production lines, it is possible in order to
Compare with these quantitative evaluation results, thus the production line implementation quality that score is relatively low is improved.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to
These accompanying drawings obtain other accompanying drawing.
Fig. 1 is the structural representation that a kind of quality quantification that first embodiment of the invention provides evaluates system；
Fig. 2 is the structural representation that the another kind of quality quantification that first embodiment of the invention provides evaluates system；
Fig. 3 is the workflow diagram that the quality quantification that first embodiment of the invention provides evaluates system；
Fig. 4 is the flow chart of the quality quantification evaluation methodology that second embodiment of the invention provides.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is carried out clear, complete description, it is clear that described embodiment is
The a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under not making creative work premise, broadly falls into the scope of protection of the invention.
Fig. 1 shows that the quality quantification that first embodiment of the invention provides evaluates the structural representation of system, sees figure
1, the quality quantification that first embodiment of the invention provides evaluates system, including: split cells 11, parts evaluation unit 12 and
Product evaluation unit 13；
Described split cells 11, for splitting the first product of pending quality evaluation, obtains composition described the
Each parts of one product；
Such as first product is automobile.Certainly automobile is made up of thousands of parts, describes but to convenient, false here
If this automobile is made up of 100 parts.After the first automobile is split, get 100 parts forming this automobile, as
Chassis, vehicle frame, tire, steering wheel, electromotor, brake etc..
Described parts evaluation unit 12, for the quantization according to the multiple mass propertys splitting each parts obtained
Evaluation result carries out quality quantification evaluation respectively to each parts, obtains the quality quantification evaluation result of each parts；
Such as, for splitting a certain parts that obtain, its mass property has multiple, as length, thickness, width,
Hardness and toughness etc..So parts evaluation unit 12 is when carrying out quality evaluation to this part, can be according to these parts
The quantitative evaluation result of multiple mass propertys these parts are carried out quality quantification evaluation.Such as, " long for mass property
Degree ", " thickness ", " width ", for " hardness " and " toughness ", the quantitatively evaluating that can obtain these mass propertys respectively is tied
Really.Assume for mass property " length ", it is assumed that the Qualified Length scope that these parts specify is 20～26mm, then when
When the length measurements of these parts is 22mm, can be according to length measurements and the relation of Qualified Length scope and this quality
Characteristic weight shared by these parts determines the quantitative evaluation result of this mass property.Finally according to this part comprise each
The quantitative evaluation result of individual mass property, it is possible to obtain the quantitative evaluation result of these parts.
According to the quality quantification evaluation result of each parts, described product evaluation unit 13, for determining that described first produces
The quality quantification evaluation result of product.
The present embodiment provides quality quantification to evaluate system, owing to the quantization of the multiple mass propertys according to each parts is commented
Valency result carries out quality quantification evaluation respectively to each parts, therefore can obtain the quality quantification evaluation knot of each parts
Really.Meanwhile, the quality quantification evaluation result of product is may determine that according to the quality quantification evaluation result of each parts.It is visible,
Use the quality evaluation result that evaluation system described in the present embodiment obtains owing to combining each mass property of each parts
Quantitative evaluation result, hence in so that the evaluation result obtained is the most credible and more referring to property.By these quantitatively evaluatings
Result arranges according to time shaft, can more every kind of parts, the distribution of quality condition of every kind of product, by controlling and
Analyze its fluctuation, it is possible to obtain the chance of quality improvement.Between different production lines, it is also possible to utilize these quantitative evaluation results
Compare, thus the production line implementation quality that score is relatively low is improved.
Preferably, seeing Fig. 2, described parts evaluation unit 12 specifically includes:
Acquisition module 121, for obtaining multiple mass propertys of each parts respectively；
Such as, for the first product of pending quality evaluation, it splits and obtains 4 parts, respectively the one zero
Part, the second parts, the 3rd parts and the 4th parts.
Acquisition module 121 is respectively used to obtain the first parts, the second parts, the 3rd parts and the 4th parts
Multiple mass propertys.
Such as, acquisition module 121 obtains 3 mass propertys such as " length ", " highly " and " flatness " of the first parts.
Acquisition module 121 obtains 4 mass propertys such as " length ", " diameter ", " water proofing property " and " anti-percussion " of the second parts.Obtain
Delivery block 121 obtains 2 mass propertys such as " service life " and " breakdown voltage " of the 3rd parts.Acquisition module 121 obtains
3 mass propertys such as " hot strength ", " thickness " and " hardness " of the 4th parts.
First determines module 122, for determining the score value of multiple mass propertys of each parts respectively；
Such as, first determines module 122, for determining the first parts, the second parts, the 3rd parts and the respectively
The score value of multiple mass propertys of four parts.
Such as, first determines that module 122 is for determining 3 mass propertys " length " of the first parts, " highly " and " putting down
Whole degree " score value.If the score value of " length " is 80, the score value of " highly " is 90, and the score value of " flatness " is 100.
First determines that module 122 is for determining 4 mass propertys " length ", " diameter ", " water proofing properties " of the second parts
The score value of " anti-percussion ".If the score value of " length " is 90, the score value of " diameter " is 90, and the score value of " water proofing property " is 80, " anti-
Tap property " score value be 100.
First determines that module 122 is for determining 2 mass propertys such as " service life " and " breakdown potential of the 3rd parts
Pressure " score value.If the score value in " service life " is 80, the score value of " breakdown voltage " is 90.
First determines that module 122 is for determining 3 mass propertys " hot strength " of the 4th parts, " thickness " and " hard
Degree " score value.If the score value of " hot strength " is 80, the score value of " thickness " is 90, and the score value of " hardness " is 100.
Wherein, for the most specifically determining the score value of each mass property, may refer to determine module subsequently with respect to first
The description of 122.Second determines module 123, for determining the weight of multiple mass propertys of each parts respectively；
Such as, second determines module 123, for determining the first parts, the second parts, the 3rd parts and the respectively
The weight of multiple mass propertys of four parts.
Wherein when determining the weight of each mass property, be according to the weight shared in corresponding parts of this mass property
Degree is wanted to be determined.Such as, for 3 mass propertys " length ", " highly " and " flatness " of the first parts,
" flatness " is most important, and " length " and " highly " is secondary, then 3 mass propertys for the first parts are come
Saying, it may be determined that the weight of " length " is 0.2, the weight of " highly " is 0.2, and the weight of " flatness " is 0.6.
And for example, for 4 mass propertys " length ", " diameter ", " water proofing property " and " anti-percussion " of the second parts
Saying, " diameter " and " water proofing property " is the most important, and " length " is relative secondary with " anti-percussion ", then for second
For 4 mass propertys of parts, it may be determined that the weight of " length " is 0.1, the weight of " anti-percussion " is 0.1, " straight
Footpath " weight be 0.4, the weight of " water proofing property " is 0.4.
And for example, for 2 mass propertys " service life " and " breakdown voltage " of the 3rd parts, " breakdown voltage "
Even more important, then the weight that may determine that " breakdown voltage " is 0.7, and the weight in " service life " is 0.3.
And for example, for 3 mass propertys " hot strength ", " thickness " and " hardness " of the 4th parts, " thickness "
" hardness " is even more important, then may determine that the weight of " thickness " is 0.4, and the weight of " hardness " is 0.4, the power of " hot strength "
It is heavily 0.2.
Quantitatively evaluating module 124, score value and weight for the multiple mass propertys according to each parts obtain often
The quantitative evaluation result of multiple mass propertys of individual parts, and comment according to the quantization of multiple mass propertys of each parts
Valency result obtains the quality quantification evaluation result of each parts.
Specifically, described quantitatively evaluating module 124, specifically for respectively obtaining each parts according to following formula one
Quality quantification evaluation result:
Wherein, C is the quality quantification evaluation result (being actually quantitatively evaluating score) of a certain parts, and n is this zero
The number of the mass property of part；ciQuantitative evaluation result for this parts i-th mass property；aiFor this parts i-th matter
The weight of flow characteristic；biScore value for this parts i-th mass property；
I≤n, n, i are positive integer.
Such as, for the first parts, its quality quantification evaluation result is its 3 mass propertys " length ", " height
Degree " and the quantitative evaluation result sum of " flatness ".And the quantitative evaluation result of each mass property is its score value and weight
Product.Such as, for the first parts, its quality quantification evaluation result is C=c1+c2+c3=80 × 0.2+90 × 0.2+
100 × 0.6=94.In like manner, for second, third and the 4th parts, the calculating process of its quality quantification evaluation result
Similar, the most no longer describe in detail.
In a kind of implementation of the present embodiment, described first determines module 122, specifically for according to following formula two
Determine the score value of certain mass property that a certain parts comprise:
Wherein, biScore value for a certain parts i-th mass property；W is the actual measured value of this mass property；G is
The upper limit of this mass property measured value interval of acceptance；F is the lower limit of this mass property measured value interval of acceptance；P is that this quality is special
The upper limit of property evaluation interval；Q is the lower limit of this mass property evaluation interval.
If when measuring the length value of the first parts, the Qualified Length point scope of these parts is 8～12cm, i.e. f
=8cm, g=12cm, now, in initialization system, the passing score scope of regulation is 60～100, i.e. p=60, q=100.Work as reality
When border measured value is w=10cm, then calculate b1=80 score values.
In the another kind of implementation of the present embodiment, described first determines module 122, specifically for according to following formula
Three score values determining certain mass property that a certain parts comprise:
Wherein, biScore value for a certain parts i-th mass property；W is the actual measured value of this mass property；G is
The upper limit of this mass property measured value interval of acceptance；F is the lower limit of this mass property measured value interval of acceptance；P is that this quality is special
The upper limit of property evaluation interval；Q is the lower limit of this mass property evaluation interval.
If when measuring the length value of the first parts, the Qualified Length point scope of these parts is 8～12cm, i.e. f
=8cm, g=12cm, now, in initialization system, the passing score scope of regulation is 60～100, i.e. p=60, q=100.Work as reality
When border measured value is w=10cm, then calculate b1=80 score values.
In another implementation of the present embodiment, described first determines module 122, specifically for according to following formula
Four score values determining certain mass property that a certain parts comprise:
Wherein, biScore value for a certain parts i-th mass property；W is the actual measured value of this mass property；g1For
The lower limit of this mass property measured value interval of acceptance；f1The upper limit for this mass property measured value interval of acceptance；X is that this quality is special
Property evaluation interval scope optimal value；S is the value that fluctuates of this mass property evaluation interval scope optimal value.
Such as: if measure the first part lengths value, Qualified Length point scope is 8～12cm, i.e. g1=8cm, f1=
12cm, now, if mass property evaluation interval scope optimal value x=100 of regulation in system, value s that fluctuates is 20.Work as reality
When border measured value is y=9cm, then calculate b1=90 score values.
Preferably, mass property includes quantized character and non-quantized characteristic.Quantized character is the most above-mentioned can basis
The mass property that concrete measurement result describes, rather than quantized character is can only be special by the qualified and defective quality being described
Property.
As mentioned above, administration by different levels can be carried out for quantized character, and calculate the mass property of different stage
Different score values, certainly for not meeting preset design requirement, 0 score value to be given.And for non-quantized characteristic, then in advance
If meeting what design required, giving 100 score values, for not meeting preset design requirement, giving 0 score value.
In a kind of implementation of the present embodiment, described product evaluation unit 13, specifically for according to each parts
Quality quantification evaluation result and the weight of each parts determine the quality quantification evaluation result of described first product；
Specifically, described product evaluation unit 13 for determining the quality quantification of described first product according to following formula five
Evaluation result:
Wherein, E is the quality quantification evaluation result of the first product；CiFor forming the matter of the i-th parts of the first product
Amount quantitative evaluation result；AiIt it is the weight of i-th parts；N >=i, n, i are positive integer.
Wherein, the weight of each parts determines according to these parts significance level in corresponding product.Such as, for
For first product, the first parts and the 4th parts are the most important, then can set weight A of the first parts1For
0.4, weight A of the 4th parts4It is 0.4, weight A of the second parts2It is 0.1, weight A of the 3rd parts3It is 0.1.
From formula five above it can be seen that the quality quantification evaluation of the first product can be by forming the multiple of this first product
The quality quantification evaluation result of parts determines.Wherein, different, therefore to the significance level of product due to different parts
When calculating the quality quantification evaluation result of the first product, in addition it is also necessary to consider the weight of each parts, i.e. according to each zero
The weight of part and quality quantification evaluation result obtain the quality quantification evaluation result of the first product.
Additionally, for the credibility improving Product Quality Evaluation further, it is contemplated that the total quality of product is by parts
Quality and some synthesis mass propertys together decide on, therefore when product is carried out quality evaluation, except needs consider each zero
Outside the quality quantification evaluation result of parts and the weight of each parts, in addition it is also necessary to consider the amount of some synthesis mass propertys
Change evaluation result.Wherein, synthesis mass property does not depend on a certain parts and exists, but by different parts because of assembly relation
And the mass property formed.Such as, the gap between two parts or the degree of registration etc. of two parts.
To this end, in the another kind of implementation of the present embodiment, described product evaluation unit 13, specifically for according to each
The combination of the quality quantification evaluation result of parts, the weight of each parts, each parts produces when forming the first product
The score value of multiple synthesis mass propertys, and the weight of each synthesis mass property, determine the quality quantification of described first product
Evaluation result；
Specifically, described product evaluation unit 13 for determining the quality quantification of described first product according to following formula six
Evaluation result:
Wherein, E is the quality quantification evaluation result of the first product；DiFor the i-th parts quality amount to the first product
Change the contribution part evaluated；DjThe contribution part quality quantification of the first product evaluated for jth synthesis mass property；CiFor
The quality quantification evaluation result (being actually quantitatively evaluating score) of i-th parts；AiIt it is the weight of i-th parts；CjIt is
The score value of jth synthesis mass property；AjIt it is the weight of jth synthesis mass property；
M is the number of the parts that the first product comprises；m1For synthesizing the number of mass property；i
≤ m, j≤m+m1, m, m1, i, j are positive integer.
Similarly, according to each synthesis mass property size to product quality entire effect, compose
Give the weight that each synthesis mass property is different, to realize the quantitatively evaluating to product.
From formula six above it can be seen that the quality quantification evaluation of the first product can be by forming the multiple of this first product
The quality quantification evaluation result of parts and the quantitative evaluation result of multiple synthesis mass property determine.Wherein, due to not
Same parts are different to the significance level of product, and each synthesizes the mass property impact phase the most not to the utmost on product total quality
With, therefore when calculating the quality quantification evaluation result of the first product, in addition it is also necessary to consider each parts and each synthesis matter
The weight of flow characteristic.
Below in conjunction with the accompanying drawings 3, the present invention is described in further detail for Tables 1 and 2.Fig. 3 is that the embodiment of the present invention carries
The quality quantification of confession evaluates the workflow diagram of system.
Quality evaluation firstly, for parts is introduced.Owing to parts contain many mass propertys, and each
Mass property is the most different for the impact of parts, and this is accomplished by giving each mass property with different according to its impact
Weight, the score value of bond quality characteristic itself, the Evaluating Model of parts should be as shown in table 1 below.
The computational methods described according to table 1, can carry out quantitatively evaluating to the quality condition of each parts, and this is for producing
The quantitatively evaluating of product total quality situation is laid a good foundation.
Table 1 parts quality quantification evaluation table
Product total quality is collectively constituted by parts quality and synthesis mass property, and synthesis mass property is not depend on
Some parts exists, but the mass property formed because of assembly relation by different parts, such as: gap, Aligning degree etc.；
Score value calculating for synthesis mass property is referred to the score value computational methods of foregoing mass property.Owing to constituting
The impact of product total quality is also not quite similar by the parts of finished product, synthesis mass property, whole to product quality according to it
The size of body impact, gives each parts or synthesizes the weight that mass property is different, carries out product according to method shown in table 2 real
The quantitatively evaluating of material amount.This method can carry out quantitatively evaluating to the manufacture result of product.
Table 2 product quality quantitatively evaluating table
The present embodiment provides quality quantification to evaluate system, owing to the quantization of the multiple mass propertys according to each parts is commented
Valency result carries out quality quantification evaluation respectively to each parts, therefore can obtain the quality quantification evaluation knot of each parts
Really.Meanwhile, the quality quantification evaluation result of product is may determine that according to the quality quantification evaluation result of each parts.It is visible,
Use the quality evaluation result that evaluation system described in the present embodiment obtains owing to combining each mass property of each parts
Quantitative evaluation result, hence in so that the evaluation result obtained is the most credible and more referring to property.By these quantitatively evaluatings
Result arranges according to time shaft, can more every kind of parts, the distribution of quality condition of every kind of product, by controlling and
Analyze its fluctuation, it is possible to obtain the chance of quality improvement.Between different production lines, it is also possible to utilize these quantitative evaluation results
Compare, thus the production line implementation quality that score is relatively low is improved.
The present invention implements two and provides one based on utilizing quality quantification recited above evaluation system to carry out quality quantification
The method evaluated, sees Fig. 4, and the method comprises the steps:
Step 101: use split cells to split the first product of pending quality evaluation, obtains composition described the
Each parts of one product.
Step 102: use parts evaluation unit according to the amount of the multiple mass propertys splitting each parts obtained
Change evaluation result and each parts are carried out respectively quality quantification evaluation, obtain the quality quantification evaluation result of each parts.
Step 103: use product evaluation unit to determine described first according to the quality quantification evaluation result of each parts
The quality quantification evaluation result of product.
The method that quality quantification described in the present embodiment is evaluated, it realizes described in principle and technique effect and above example
Quality quantification evaluate system be similar to, here is omitted.
Above example is merely to illustrate technical scheme, is not intended to limit；Although with reference to previous embodiment
The present invention is described in detail, it will be understood by those within the art that: it still can be to aforementioned each enforcement
Technical scheme described in example is modified, or wherein portion of techniques feature is carried out equivalent；And these are revised or replace
Change, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a quality quantification evaluates system, it is characterised in that including: split cells, parts evaluation unit and product evaluation
Unit；
Described split cells, for splitting the first product of pending quality evaluation, obtains and forms described first product
Each parts；
Described parts evaluation unit, for the quantitatively evaluating knot according to the multiple mass propertys splitting each parts obtained
Fruit carries out quality quantification evaluation respectively to each parts, obtains the quality quantification evaluation result of each parts；
Described product evaluation unit, for determining the matter of described first product according to the quality quantification evaluation result of each parts
Amount quantitative evaluation result.
System the most according to claim 1, it is characterised in that described parts evaluation unit specifically includes: acquisition module,
First determine module, second determine module and quantitatively evaluating module；
Described acquisition module, for obtaining multiple mass propertys of each parts respectively；
Described first determines module, for determining the score value of multiple mass propertys of each parts respectively；
Described second determines module, for determining the weight of multiple mass propertys of each parts respectively；
Described quantitatively evaluating module, score value and weight for the multiple mass propertys according to each parts obtain each zero
The quantitative evaluation result of multiple mass propertys of parts, and the quantitatively evaluating knot of the multiple mass propertys according to each parts
Fruit obtains the quality quantification evaluation result of each parts.
System the most according to claim 2, it is characterised in that described quantitatively evaluating module, specifically for according to following public affairs
Formula one respectively obtains the quality quantification evaluation result of each parts:
Wherein, C is the quality quantification evaluation result of a certain parts, and n is the number of this component quality characteristic；ciFor this zero
The quantitative evaluation result of part i-th mass property；aiWeight for this parts i-th mass property；biFor these parts i-th
The score value of individual mass property；I≤n, n, i are positive integer.
System the most according to claim 3, it is characterised in that described first determines module, specifically for according to following public affairs
Formula two determines the score value of certain mass property that a certain parts comprise:
Wherein, biScore value for a certain parts i-th mass property；W is the actual measured value of this mass property；G is this quality
The upper limit of characteristic measurements interval of acceptance；F is the lower limit of this mass property measured value interval of acceptance；P is this mass property evaluation
The interval upper limit；Q is the lower limit of this mass property evaluation interval.
System the most according to claim 3, it is characterised in that described first determines module, specifically for according to following public affairs
Formula three determines the score value of certain mass property that a certain parts comprise:
Wherein, biScore value for a certain parts i-th mass property；W is the actual measured value of this mass property；G is this quality
The upper limit of characteristic measurements interval of acceptance；F is the lower limit of this mass property measured value interval of acceptance；P is this mass property evaluation
The interval upper limit；Q is the lower limit of this mass property evaluation interval.
System the most according to claim 3, it is characterised in that described first determines module, specifically for according to following public affairs
Formula four determines the score value of certain mass property that a certain parts comprise:
Wherein, biScore value for a certain parts i-th mass property；W is the actual measured value of this mass property；G is this quality
The lower limit of characteristic measurements interval of acceptance；F is the upper limit of this mass property measured value interval of acceptance；X is this mass property evaluation
Interval range optimal value；S is the value that fluctuates of this mass property evaluation interval scope optimal value.
System the most according to claim 3, it is characterised in that certain mass property comprised when a certain parts is non-amount
Change characteristic time, described first determine module when this mass property is determined score value, specifically to the tax meeting preset design requirement
Give 100 score values, for not meeting imparting 0 score value of preset design requirement.
System the most according to claim 1, it is characterised in that described product evaluation unit, specifically for according to each zero
The quality quantification evaluation result of parts and the weight of each parts determine the quality quantification evaluation result of described first product；
Specifically, described product evaluation unit for determining the quality quantification evaluation knot of described first product according to following formula five
Really:
Wherein, E is the quality quantification evaluation result of the first product；CiFor forming the quality quantification of the i-th parts of the first product
Evaluation result；AiIt it is the weight of i-th parts；N >=i, n, i are positive integer.
System the most according to claim 1, it is characterised in that described product evaluation unit, specifically for according to each zero
The combination of the quality quantification evaluation result of parts, the weight of each parts, each parts produces many when forming the first product
The score value of individual synthesis mass property, and the weight of each synthesis mass property, determine that the quality quantification of described first product is commented
Valency result；
Specifically, described product evaluation unit for determining the quality quantification evaluation knot of described first product according to following formula six
Really:
Wherein, E is the quality quantification evaluation result of the first product；DiFor the quality quantification evaluation to the first product of the i-th parts
Contribution part；DjThe contribution part quality quantification of the first product evaluated for jth synthesis mass property；CiFor i-th zero
The quality quantification evaluation result of parts；AiIt it is the weight of i-th parts；CjIt it is the score value of jth synthesis mass property；AjIt is
The weight of jth synthesis mass property；M is the number of the parts that the first product comprises；m1For synthesis
The number of mass property；I≤m, j≤m+m1, m, m1, i, j are positive integer.
10. the quality quantification evaluation system that a kind is applied as according to any one of claim 1～9 carries out quality quantification evaluation
Method, it is characterised in that including:
Use split cells that the first product of pending quality evaluation is split, obtain described first product of composition each
Parts；
Use parts evaluation unit according to the quantitative evaluation result pair of the multiple mass propertys splitting each parts obtained
Each parts carry out quality quantification evaluation respectively, obtain the quality quantification evaluation result of each parts；
Product evaluation unit is used to determine the quality amount of described first product according to the quality quantification evaluation result of each parts
Change evaluation result.
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