CN106952015A - A kind of method for improving charging electric vehicle facilities planning quality - Google Patents
A kind of method for improving charging electric vehicle facilities planning quality Download PDFInfo
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- CN106952015A CN106952015A CN201710090143.XA CN201710090143A CN106952015A CN 106952015 A CN106952015 A CN 106952015A CN 201710090143 A CN201710090143 A CN 201710090143A CN 106952015 A CN106952015 A CN 106952015A
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Abstract
A kind of method for improving charging electric vehicle facilities planning quality.It includes the classification indicators for determining to there is influence to the scheme of raising charging electric vehicle facilities planning quality to be assessed first;Construct fuzzy judgment matrix:Calculate obfuscation weight;De-fuzzy;Set up evaluate collection;The steps such as multi-layer fuzzy comprehensive.The beneficial effect of the method for the raising charging electric vehicle facilities planning quality that the present invention is provided:Using analytic hierarchy process (AHP), the influence of multiple factors is considered with reference to actual conditions, with very high theory value and actual effect;Overall merit is carried out to programme using fuzzy synthetic appraisement method, optimal programme is determined.
Description
Technical field
The invention belongs to the planning technology field of charging electric vehicle facility, more particularly to a kind of electric automobile that improves fills
The method of electric facilities planning quality.
Background technology
Energy shortage has become the problem of whole world is paid close attention to the most with environmental degradation, and energy-saving and emission-reduction are that China's economy is persistently sent out
The problem of opening up in the urgent need to address.Electric automobile has the features such as replacing oil by electricity, tail gas " zero-emission ", is to solve the energy and environment
The important means of problem.Large-scale electric automobile is also used as distributed energy storage device, can be used by power system.In recent years
Come, State Council, the Party Central Committee promote to new-energy automobile and charging infrastructure construction aspect imparts unprecedented attention
With enthusiasm, deploy quickening charging electric vehicle infrastructure and urban parking area construction, mend in the promotion expansion of public service short slab
The motion for needing Huimin to give birth to;Clearly proposed first in the government work report in 2015 and formulated " internet+" action plan, it is intended to
Promotion Internet technology is merged with modern manufacturing industry, and new opportunity is provided for charging electric vehicle infrastructure construction, is pushed away
Motor-car networked platforms are built.
The end of the year 2015 had been achieved with car networking platform on-line running in cities such as Beijing, Tianjin.On the one hand it is electrically-charging equipment
Operation provides the complete service functions such as facility access, operation monitoring, charging reservation and disbursement and sattlement, on the other hand will be electronic vapour
Bring internet+charging service experience in automobile-used family.Platform is used as main interaction using easy charging service website and e charge mobile phones APP
Means, electrically-charging equipment position and status inquiry, automobile navigation, unified recharged card Zhi Fuyu are provided without card branch for automobile user
Pay and wait charging service, while supporting government to realize charging service supervision and electrically-charging equipment programming and distribution, support charging service
Industry development, realizes resource consolidation, interconnects.Realization is closed by the O2O of " charging equipment under APP+ charging networks+line on line "
People, car, stake are together in series by ring, so as to obtain realization profitable offering.
But at present, due to new-energy automobile electrically-charging equipment imperfection, it is difficult to which meeting existing new-energy automobile charging continuation of the journey will
Ask, it has also become current and future promotes the major obstacle of new-energy automobile, it is necessary to increase publicity promotion efficiency in one period, and
Make Revenue Sharing Mechanism in order, improve understanding and acceptance level of the related site manager to charging pile, while innovation charging modes,
Reduce land used difficulty etc. and build resistance, place problem is built in neutralizing, accelerate popularization and lay charging pile.
The related auxiliary facility of the development need of electric automobile.Electrically-charging equipment is to electric motor car just as gas station is to orthodox car one
Sample, is indispensable infrastructure.But the construction of charging equipment at this stage needs huge investment and systems organization, and need
Rely on fund, policy of government etc. to help, electric automobile is because of auxiliary facility imperfection slower development, and auxiliary facility is because of electronic vapour
Car popularity rate is low to lack popularization power.The relevant benefit main body that Development of Electric Vehicles is related to is more, there is power supply enterprise, operation enterprise
Industry, supporting enterprise, vehicle enterprise, battery enterprise etc..Lack in huge interest group and be uniformly coordinated mechanism, Interest Main Body phase
Lack between mutually and make a concerted effort, electric vehicle industrialization process can be directly influenced.Charging electric vehicle facility is ev industry
The premise and important foundation of popularization, are also electric automobile commercialization, the important step of industrialization.International Meteorological Organization is to 40 multidigits
The interview result of electric automobile relevant industries expert shows that the significance level that electrically-charging equipment is built is in the numerous shadows of Development of Electric Vehicles
Battery technology is only second in the factor of sound to be number two, basic, the key effect each side of electrically-charging equipment has reached common understanding.Institute
When carrying out charging electric vehicle facilities planning, to fully take into account developing stage, the use demand of user of electric automobile
Deng, it is ensured that fund improves the convenient and swift of charging with the maximum service ability of electrically-charging equipment on blade, is played, and helps to carry
High electric automobile is popularized.
In current charging electric vehicle facilities planning scheme, the quantity of all types of electric automobiles is mainly estimated,
The demand of charging times and charge volume is calculated with reference to VMT Vehicle-Miles of Travel etc., the service ability of combined charge stake is calculated and filled
The total number of electric stake.But have the disadvantage not consider to build the factor such as place and fund input, policy is stronger, and practicality is not high.
The content of the invention
In order to solve the above problems, charging electric vehicle facilities planning quality is improved it is an object of the invention to provide one kind
Method.
In order to achieve the above object, the method for the raising charging electric vehicle facilities planning quality that the present invention is provided includes pressing
The following steps that order is performed:
Step 1) determine there is influence to the scheme of raising charging electric vehicle facilities planning quality to be assessed first
Classification indicators, referred to as the first level factor, by these index composing indexes classification layer, every class index is subdivided into certain general character
Multiple the second level factors, these the second level factor composing indexes layers;It is denoted as set of factors U={ U1,U2,…,Un, wherein UiFor set of factors U
In i-th of factor, UiIt should meet
Step 2) construction fuzzy judgment matrix:The element c of judgment matrixijRepresent to be under the jurisdiction of the lower floor the of same upper strata element
Relative importance between i element and j-th of element, cijValue (scale) scope for 1-9 natural number and they fall
Number, cij=1/cji, numerical value is bigger to represent that relative to j-th element of i-th of element is more important, as shown in table 1;
The judgment matrix scale of table 1 and its implication
Triangle Fuzzy Evaluation Method applies Triangular Fuzzy Number, i.e., one determined by three numerals is used in judgment matrix
Triangular function, instead of single numerical value employed in general evaluation method, to embody the mould of expert's opinion in multilevel iudge two-by-two
Paste property;
Step 3) calculate obfuscation weight:To same group of important ratio compared with the different judges that multidigit expert makes, application
The operational formula of Triangular Fuzzy Number is to two Triangular Fuzzy Number M1=(l1,m1,u1), M2=(l2,m2,u2) computing, take it to count
It is average, multiple fuzzy numbers are integrated into one, so as to form the fuzzy judgment matrix of a synthesis;
Step 4) de-fuzzy:For two fuzzy number M1=(l1,m1,u1), M2=(l2,m2,u2), M1≥M2Possibility
Degree, calculates a fuzzy number MjMore than this layer other n-1 fuzzy number possibility degree namely the fuzzy number more than correspondence index power
Weight, by normalized, can obtain final weight of the index in this layer, so as to characterize the power of this layer of each index weights distribution
Weight vector;
Step 5) set up evaluate collection:Evaluation result is divided into λ grade, λ takes odd number, with reflected appraisal person to evaluation object
The evaluation that may be made;Note evaluate collection is V=[V1,V2,…,Vλ]T;
Step 6) multi-layer fuzzy comprehensive:To bottom set of factors Ui(i=1,2 ..., n) in each factor carry out
Single factor test fuzzy evaluation, according to expert estimation, obtains factor Uij(j=1,2 ..., m) to the degree of membership of each grade comment, so that
It can obtain set of factors UiSingle factor test fuzzy judgment matrix;
Using triangle Fuzzy Evaluation Method, set of factors U can obtainiWeight vectors Wi=[wi1,wi2,…,win]T, make one-level
Fuzzy comprehensive evoluation, obtains factor UiTo the degree of membership of each grade comment;
Ibid, simple element evaluation is carried out to other each layer set of factors, finally can obtain by judge object to each grade comment
Degree of membership, so as to evaluation result.
In step 2) in, the membership function that described Triangular Fuzzy Number M is defined is as follows:
In above formula, l≤m≤u, l and u represent lower bound and the upper bound of the Triangular Fuzzy Number, and m represents the intermediate value that degree of membership is 1;
General Triangular Fuzzy Number M is represented by (l, m, u).
In step 3) in, two described three fuzzy number M1=(l1,m1,u1), M2=(l2,m2,u2) operation method such as
Under:
M1+M2=(l1+l2,m1+m2,u1+u2) (2)
To same group of important ratio compared with the different judges that multidigit expert makes, using the computing of above-mentioned Triangular Fuzzy Number
Formula, takes its arithmetic mean, and multiple fuzzy numbers are integrated into one, so as to form the fuzzy judgment matrix of a synthesis;
To kth layer element i fuzzy weighted values Di, computing formula is as follows
Wherein aijThe Triangular Fuzzy Number arranged for the i-th row jth in fuzzy judgment matrix, represents i-th of element relative to j-th
The importance of element.
In step 4) in, it is described to two fuzzy number M1=(l1,m1,u1), M2=(l2,m2,u2), M1≥M2Possibility
Degree is defined as:
One fuzzy number MjMore than this layer other n-1 fuzzy number possibility degree namely the fuzzy number more than correspondence index power
Weight is:
wcj'=ν (M >=M1,M2,…,Mn)=min ν (M >=Mi), i=1,2 ..., n (7)
By normalized, the final weight that can obtain the index in this layer is
So as to which the weight vectors for characterizing this layer of each index weights distribution are
Wi=[w1,w2,…,wn]T (9)。
In step 6) in, described set of factors UiSingle factor test fuzzy judgment matrix be:
Described factor UiDegree of membership to each grade comment is
In formulaFor Fuzzy Arithmetic Operators.
The beneficial effect of the method for the raising charging electric vehicle facilities planning quality that the present invention is provided:The present invention uses layer
Fractional analysis, the influence of multiple factors is considered with reference to actual conditions, with very high theory value and actual effect;Using mould
Paste integrated evaluating method and overall merit is carried out to programme, determine optimal programme.
Brief description of the drawings
Fig. 1 is the decomposition chart that electrically-charging equipment of the present invention is planned.
The electrically-charging equipment planning index system figure that Fig. 2 provides for the present invention.
Embodiment
The raising charging electric vehicle facilities planning quality provided below in conjunction with the accompanying drawings with specific embodiment the present invention
Method is described in detail.
Charging electric vehicle facilities planning is a complication system, and its influence factor is numerous, mainly there is the class of electric automobile
Type, use habit, charging modes, the target expectation using electric automobile, car owner not only wrap to level of application of internet etc.
Include qualitative index, and including quantitative target, only with simple method, be difficult often evaluate between each factor, each level
Between quality.Therefore, the planning and evaluation of carry out scheme are combined using analytic hierarchy process (AHP) and Field Using Fuzzy Comprehensive Assessment.
The index of charging electric vehicle facilities planning is classified, classified, recursive hierarchy structure index system is built such as
Shown in Fig. 1, in classification, the index system of taxonomic structure, there are several indexs per class, similar index has certain general character,
Inhomogeneous index is differed to the influence produced by general objective, thus can not be put on an equal footing.Add between target and indicator layer
Enter an index classification layer, make the hierarchical structure of index system clearer, be more beneficial for the analysis to problem.Fig. 2 is this hair
Bright electrically-charging equipment planning index system, including electrically-charging equipment demand, technology development, build the input of place and fund.
SG-MCA (intelligent grid-multi-standard analysis) is the intelligent grid of a kind of combination SG-MCA evaluation assessments and fuzzy logic
The Benefit Evaluation Method of project.Multiobjective decision-making is a branch of operational research, is a famous decision domain.This method
It is contemplated that great society, economy and ambient influnence, it is particularly possible to embody the demand of multi-party participant in decision process.
SG-MCA general principle is that the various key elements of the relevant scheme of evaluation system are resolved into some levels, forms one
The individual orderly hierarchy Model for passing rank, and a level key element is carried out two-by-two thereon relatively by each key element of each level
Multilevel iudge, obtains the weight of each key element.Weight limit principle optimum scheme comparison is pressed according to comprehensive weight.
The method take into account the ambiguity of expert judgments in Judgement Matricies so that judgment matrix is to expert opinion
Sign it is more reasonable, and avoid consistency check.
As shown in Fig. 1-Fig. 2, the method for the raising charging electric vehicle facilities planning quality that the present invention is provided is included by suitable
The following steps that sequence is performed:
Step 1) determine there is influence to the scheme of raising charging electric vehicle facilities planning quality to be assessed first
Classification indicators, referred to as the first level factor, by these index composing indexes classification layer, every class index is subdivided into certain general character
Multiple the second level factors, these the second level factor composing indexes layers;It is denoted as set of factors U={ U1,U2,…,Un, wherein UiFor set of factors U
In i-th of factor, UiIt should meet
Step 2) construction fuzzy judgment matrix:The element c of judgment matrixijRepresent to be under the jurisdiction of the lower floor the of same upper strata element
Relative importance between i element and j-th of element, cijValue (scale) scope for 1-9 natural number and they fall
Number, cij=1/cji, numerical value is bigger to represent that relative to j-th element of i-th of element is more important, as shown in table 1;
The judgment matrix scale of table 1 and its implication
Triangle Fuzzy Evaluation Method applies Triangular Fuzzy Number, i.e., one determined by three numerals is used in judgment matrix
Triangular function, instead of single numerical value employed in general evaluation method, to embody the mould of expert's opinion in multilevel iudge two-by-two
Paste property;
Step 3) calculate obfuscation weight:To same group of important ratio compared with the different judges that multidigit expert makes, application
The operational formula of Triangular Fuzzy Number is to two Triangular Fuzzy Number M1=(l1,m1,u1), M2=(l2,m2,u2) computing, take it to count
It is average, multiple fuzzy numbers are integrated into one, so as to form the fuzzy judgment matrix of a synthesis;
Step 4) de-fuzzy:For two fuzzy number M1=(l1,m1,u1), M2=(l2,m2,u2), M1≥M2Possibility
Degree, calculates a fuzzy number MjMore than this layer other n-1 fuzzy number possibility degree namely the fuzzy number more than correspondence index power
Weight, by normalized, can obtain final weight of the index in this layer, so as to characterize the power of this layer of each index weights distribution
Weight vector;
Step 5) set up evaluate collection:Evaluation result is divided into λ grade, λ takes odd number, with reflected appraisal person to evaluation object
The evaluation that may be made;Note evaluate collection is V=[V1,V2,…,Vλ]T;
Step 6) multi-layer fuzzy comprehensive:To bottom set of factors Ui(i=1,2 ..., n) in each factor carry out
Single factor test fuzzy evaluation, according to expert estimation, obtains factor Uij(j=1,2 ..., m) to the degree of membership of each grade comment, so that
It can obtain set of factors UiSingle factor test fuzzy judgment matrix;
Using triangle Fuzzy Evaluation Method, set of factors U can obtainiWeight vectors Wi=[wi1,wi2,…,win]T, make one-level
Fuzzy comprehensive evoluation, obtains factor UiTo the degree of membership of each grade comment;
Ibid, simple element evaluation is carried out to other each layer set of factors, finally can obtain by judge object to each grade comment
Degree of membership, so as to evaluation result.
In step 2) in, the membership function that described Triangular Fuzzy Number M is defined is as follows:
In above formula, l≤m≤u, l and u represent lower bound and the upper bound of the Triangular Fuzzy Number, and m represents the intermediate value that degree of membership is 1;
General Triangular Fuzzy Number M is represented by (l, m, u).
In step 3) in, two described three fuzzy number M1=(l1,m1,u1), M2=(l2,m2,u2) operation method such as
Under:
M1+M2=(l1+l2,m1+m2,u1+u2) (2)
To same group of important ratio compared with the different judges that multidigit expert makes, using the computing of above-mentioned Triangular Fuzzy Number
Formula, takes its arithmetic mean, and multiple fuzzy numbers are integrated into one, so as to form the fuzzy judgment matrix of a synthesis;
To kth layer element i fuzzy weighted values Di, computing formula is as follows
Wherein aijThe Triangular Fuzzy Number arranged for the i-th row jth in fuzzy judgment matrix, represents i-th of element relative to j-th
The importance of element.
In step 4) in, it is described to two fuzzy number M1=(l1,m1,u1), M2=(l2,m2,u2), M1≥M2Possibility
Degree is defined as:
One fuzzy number MjMore than this layer other n-1 fuzzy number possibility degree namely the fuzzy number more than correspondence index power
Weight is:
wcj'=ν (M >=M1,M2,…,Mn)=min ν (M >=Mi), i=1,2 ..., n (7)
By normalized, the final weight that can obtain the index in this layer is
So as to which the weight vectors for characterizing this layer of each index weights distribution are
Wi=[w1,w2,…,wn]T (9)
In step 6) in, described set of factors UiSingle factor test fuzzy judgment matrix be:
Described factor UiDegree of membership to each grade comment is
In formulaFor Fuzzy Arithmetic Operators.
The present invention uses analytic hierarchy process (AHP), and the influence of multiple factors is considered with reference to actual conditions, with very high theory
Value and actual effect;Overall merit is carried out to programme using fuzzy synthetic appraisement method, optimal programme is determined.
Claims (5)
1. a kind of method for improving charging electric vehicle facilities planning quality, it is characterised in that:Described raising electric automobile fills
The method of electric facilities planning quality includes the following steps performed in order:
Step 1) determine there is the classification influenceed to the scheme of raising charging electric vehicle facilities planning quality to be assessed first
Index, referred to as the first level factor, by these index composing indexes classification layer, every class index is subdivided into the multiple of certain general character
The second level factor, these the second level factor composing indexes layers;It is denoted as set of factors U={ U1,U2,…,Un, wherein UiFor in set of factors U
I-th of factor, UiIt should meet
Step 2) construction fuzzy judgment matrix:The element c of judgment matrixijRepresent to be under the jurisdiction of i-th of the lower floor of same upper strata element
Relative importance between element and j-th of element, cijValue (scale) scope be 1-9 natural number and their inverse,
cij=1/cji, numerical value is bigger to represent that relative to j-th element of i-th of element is more important, as shown in table 1;
The judgment matrix scale of table 1 and its implication
Triangle Fuzzy Evaluation Method applies Triangular Fuzzy Number, i.e., the triangle determined by three numerals is used in judgment matrix
Shape function, instead of single numerical value employed in general evaluation method, to embody the ambiguity of expert's opinion in multilevel iudge two-by-two;
Step 3) calculate obfuscation weight:To same group of important ratio compared with the different judges that multidigit expert makes, using triangle
The operational formula of fuzzy number is to two Triangular Fuzzy Number M1=(l1,m1,u1), M2=(l2,m2,u2) computing, take it to count flat
, multiple fuzzy numbers are integrated into one, so as to form the fuzzy judgment matrix of a synthesis;
Step 4) de-fuzzy:For two fuzzy number M1=(l1,m1,u1), M2=(l2,m2,u2), M1≥M2Possibility degree, meter
Calculate a fuzzy number MjMore than this layer other n-1 fuzzy number possibility degree namely the fuzzy number more than correspondence index weight, warp
Cross normalized, final weight of the index in this layer can be obtained, thus characterize the weight of this layer of each index weights distribution to
Amount;
Step 5) set up evaluate collection:Evaluation result is divided into λ grade, λ takes odd number, may to evaluation object with reflected appraisal person
The evaluation made;Note evaluate collection is V=[V1,V2,…,Vλ]T;
Step 6) multi-layer fuzzy comprehensive:To bottom set of factors Ui(i=1,2 ..., n) in each factor carry out single factor test
Fuzzy evaluation, according to expert estimation, obtains factor Uij(j=1,2 ..., m) to the degree of membership of each grade comment, so that available
Set of factors UiSingle factor test fuzzy judgment matrix;
Using triangle Fuzzy Evaluation Method, set of factors U can obtainiWeight vectors Wi=[wi1,wi2,…,win]T, make one-level and obscure
Comprehensive Evaluation, obtains factor UiTo the degree of membership of each grade comment;
Ibid, simple element evaluation is carried out to other each layer set of factors, finally can obtain the person in servitude to each grade comment by judge object
Category degree, so as to obtain evaluation result.
2. the method according to claim 1 for improving charging electric vehicle facilities planning quality, it is characterised in that:In step
2) in, the membership function that described Triangular Fuzzy Number M is defined is as follows:
In above formula, l≤m≤u, l and u represent lower bound and the upper bound of the Triangular Fuzzy Number, and m represents the intermediate value that degree of membership is 1;Typically
Triangular Fuzzy Number M is represented by (l, m, u).
3. the method according to claim 1 for improving charging electric vehicle facilities planning quality, it is characterised in that:In step
3) in, two described three fuzzy number M1=(l1,m1,u1), M2=(l2,m2,u2) operation method it is as follows:
M1+M2=(l1+l2,m1+m2,u1+u2) (2)
To same group of important ratio compared with, different judges that multidigit expert makes, using the operational formula of above-mentioned Triangular Fuzzy Number,
Its arithmetic mean is taken, multiple fuzzy numbers are integrated into one, so as to form the fuzzy judgment matrix of a synthesis;
To kth layer element i fuzzy weighted values Di, computing formula is as follows
Wherein aijThe Triangular Fuzzy Number arranged for the i-th row jth in fuzzy judgment matrix, represents relative to j-th element of i-th of element
Importance.
4. the method according to claim 1 for improving charging electric vehicle facilities planning quality, it is characterised in that:In step
4) it is described to two fuzzy number M in1=(l1,m1,u1), M2=(l2,m2,u2), M1≥M2Possibility degree be defined as:
One fuzzy number MjMore than this layer other n-1 fuzzy number possibility degree namely the fuzzy number more than the weight of correspondence index be:
wcj'=ν (M >=M1,M2,…,Mn)=min ν (M >=Mi), i=1,2 ..., n (7)
By normalized, the final weight that can obtain the index in this layer is
So as to which the weight vectors for characterizing this layer of each index weights distribution are
Wi=[w1,w2,…,wn]T (9)。
5. the method according to claim 1 for improving charging electric vehicle facilities planning quality, it is characterised in that:In step
6) in, described set of factors UiSingle factor test fuzzy judgment matrix be:
Described factor UiDegree of membership to each grade comment is
In formulaFor Fuzzy Arithmetic Operators.
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