Summary of the invention
In order to overcome the deficiency of prior art in function is distributed, the present invention proposes the method that a kind of civil aircraft driving cabin function is distributed.The method includes the steps of:
1. carry out man-machine advantageous ability relatively, promptly choose the man-machine advantageous ability project comparatively close, form people, the set of capabilities advantage, be expressed as respectively: H={h with the driving cabin functional relationship
1, h
2, h
3, h
4, h
5, h
6, h
7, h
8And M={m
1, m
2, m
3, m
4, m
5, m
6, m
7, m
8, each element implication is as shown in table 1.
Table 1 people, the set of capabilities advantage
H M
h
1=empirical learning ability m
1=data managing capacity
h
2=induction ability m
2=combinatorial problem processing power
h
3=mode identificating ability m
3=continuous working ability
h
4=visually-perceptible ability m
4=multitasking ability
h
5=fuzzy message processing power m
5=quick computing power
h
6=spatial reasoning ability m
6=complex mathematical arithmetic capability
h
7=creativity m
7=accurate computing power
h
8=uncertainty event processing power m
8=simple repetition decision ability
2. adopt analytical hierarchy process (Analytic Hierarchy Process, AHP) confirm capacity superiority gather in the weight coefficient of each element.
3. divide the robotization grade of civil aircraft driving cabin system, adopt the robotization rank division methods of the man-machine interactive system of people's propositions such as Sheridan, Verplank and Parasuraman, as shown in table 2.
Table 2 robotization rank
The robotization rank is described
1 system does not provide any help, and the people must accomplish all decision-makings and manipulation
2 systems provide a whole set of decision-making or action scheme
3 system's reduction scheme ranges of choice
4 systems provide a proposed projects
If 5 people agree then carry out this scheme
6 allow the people in limiting time, to veto before carrying into execution a plan
7 automatically perform, only notifier where necessary
If 8 people need inform him
9 whether the notifier is determined by computing machine entirely
The work that the decision of 10 systems is all, refusal people's intervention
4. relatively confirm the scope of robotization grade through man-machine advantageous ability.In this step, need use as giving a definition.
Definition 1: establish WAA:R
n→ R, if
ω=(ω wherein
1, ω
2, Λ, ω
n) be one group of data (α
1, α
2, Λ, α
n) weighing vector, ω
j∈ [0,1], j ∈ N,
Claim that then function WAA is the weighted arithmetic mean operator, is also referred to as the WAA operator.The characteristics of WAA operator are: only to data set (α
1, α
2, Λ, α
n) in each data carry out weighting (promptly giving suitable weight) according to the importance of each data, then the data after the weighting are assembled.
The person that considers the system design decision is carrying out qualitatively when estimating, and generally needs suitable language assessment scale, for this reason, can set language assessment scale S={s in advance
α| α=-L, Λ, L}, the term number among the S is generally odd number, like the desirable S={s of language assessment scale
-1, s
0, s
1}={ is low, in, height }, S={s
-2, s
-1, s
0, s
1, s
2}={ is very poor, and be poor, general, good, excellent }, S={s
-5, Λ, s
5}={ extreme difference, very poor, poor, relatively poor, poor slightly, general, good slightly, better, good, fine, fabulous } etc., and satisfy following condition: 1) if α>β, then s
α>s
β2) there is negative operator neg (s
α)=s
-α
Define 2: establish EWAA:
if
Wherein
ω=(ω
1, ω
2, Λ, ω
n) be language data
Weighing vector, and
ω
j∈ [0,1] (j ∈ N),
Then function EWAA is called the weighted arithmetic mean operator of expansion.
Definition 3: establish
s
aAnd s
bBe respectively
The lower limit and the upper limit, then claim
Be uncertain linguistic variable.
Definition 4: establish
And establish l
Ab=b-a, l
Cd=d-c, then
Possibly spend the definition as follows:
Similarly, possibly spending of
defines as follows:
Define 5: establish UEWAA:
if
ω=(ω wherein
1, ω
2, Λ, ω
n) be uncertain linguistic variable
Weighing vector, and ω
j∈ [0,1] (j ∈ N),
Claim that then function U EWAA is uncertain EWAA operator.
Define 6: establish ULHA:
if
W=(w wherein
1, w
2, Λ, w
n) be the weighing vector (position vector) that is associated with ULHA, w
j∈ [0,1] (j ∈ N),
It is the uncertain linguistic variable group of weighting
In the big element of j, ω=(ω here
1, ω
2, A, ω
n) be uncertain linguistic variable group
Weighing vector, ω
j∈ [0,1] (j ∈ N),
And n is a balance factor, claims that then function U LHA is that uncertain language mixes assembly (ULHA) operator.
On above-mentioned definition basis, provide based on the robotization rate range of UEWAA operator and confirm method, detailed process is following:
A): establish X and represent function collection to be allocated, H, M are respectively the capacity superiority item set of people, machine, and both weight vectors are respectively ω=(ω
1, ω
2, Λ, ω
m) and ξ=(ξ
1, ξ
2, Λ, ξ
l), and satisfy ω
j>=0 (j ∈ M),
ξ
j>=0 (j ∈ L),
The decision maker provides people, each capacity superiority h of machine respectively
j∈ H and m
j∈ M treats distribution function x
iThe uncertain language assessment value of ∈ X influence degree
And obtain evaluating matrix
And
B): utilize the UEWAA operator respectively to evaluating matrix
With
In the capable language assessment information of i assemble, obtain the people, capabilities is treated distribution function x
iThe comprehensive assessment result of ∈ X
With
C): utilize (3) formula, calculate the people, capabilities is treated distribution function x
iThe comprehensive assessment result of ∈ X
With
Between possibly spend
Obtain to spend vectorial P={p
1, p
2, Λ, p
n.0≤p wherein
i≤1.
D): according to spending p as a result
iConfirm function x to be allocated
iThe robotization grade A scope of ∈ X.Specifically rule is as follows:
Wherein, floor (x) is Gauss's bracket function.For example: if p
i=1, A=1 then explains that this decision making function should be accomplished by the operator fully; If possible spend p as a result
i=0.35,5≤A≤7 then.
5. given function is distributed assessment level (attribute) set U={u
1, u
2, u
3, u
4, u
5, its element is five main assessment levels of the man-machine function distribution of corresponding driving cabin respectively, u
1---mental load; u
2---the situation perception; u
3---reliability; u
4---risk of policy making; u
5---system cost.
6. after function distributed the robotization rate range to confirm, the different schemes that promptly given some functions are distributed also need distribute assessment level from allocative decision, to select optimal case according to function, finally confirms the robotization grade that the man-machine function of driving cabin is distributed.In the actual assessment process, normally according to assessment level different schemes is marked, to reduce the subjective deviation of assessment experts by the multidigit expert.Employing is confirmed function distribution robotization grade based on the multiattribute groups Decision Method of UEWAA operator and ULHA operator, and detailed process is following:
A): for a certain function assignment problem, establish X, U and D are respectively scheme set, property set (assessment level) and decision maker (expert) collection.The weight vectors of attribute weight is ω=(ω
1, ω
2, Λ, ω
m), and its vector is ω
j>=0 (j ∈ M),
Decision maker's weight vectors is λ=(λ
1, λ
2, Λ, λ
t), λ
k>=0 (k=1,2, Λ, t),
Decision maker d
k∈ D provides scheme x
i∈ X is at attribute u
jUncertain language assessment value under the ∈ U
And obtain evaluating matrix
And
B): utilize the UEWAA operator to evaluating matrix
In the capable uncertain language assessment information of i assemble, obtain decision maker d
kThe allocative decision x that provides
iThe synthesized attribute assessed value
C): the allocative decision x that utilizes the ULHA operator that t bit decisions person is provided again
iThe synthesized attribute assessed value
Assemble, obtain allocative decision x
iColony's synthesized attribute assessed value
Wherein
is the weighing vector of ULHA operator;
is the big element of k in the uncertain linguistic variable
of one group of weighting, and t is a balance factor.
D): utilize (3) formula, calculate scenarios synthesized attribute value
Between possibly spend
And set up and to spend matrix P=(p
Ij)
N * n
E): obtain the ordering vector v=(v that possibly spend matrix P
1, v
2, Λ, v
n), wherein:
By its component size scheme is sorted at last, promptly obtain optimum function allocative decision.
Adopt said method that the man-machine automated system of civil aircraft driving cabin is carried out the function distribution and can overcome the subjective shortcoming of method for qualitative analysis in the past.
Below in conjunction with embodiment the present invention is further specified.
Embodiment
Be the practical implementation process that example explanation above-mentioned functions is distributed with a function of civil aircraft driving cabin " fault diagnosis (Fault Diagnosis, FD) " below, promptly adopt the method that is proposed to confirm the optimum robotization grade of FD.
1. confirm people, machine advantageous ability set H={h
1, h
2, h
3, h
4, h
5, h
6, h
7, h
8And M={m
1, m
2, m
3, m
4, m
5, m
6, m
7, m
8, each element implication is as shown in table 1.
2. the weight vectors that utilizes analytical hierarchy process to obtain element among H and the M is respectively:
ω=(0.287,0.106,0.081,0.142,0.119,0.019,0.193,0.053)
ξ=(0.163,0.097,0.228,0.126,0.154,0.106,0.062,0.064)
3. its FD function is divided into 10 robotization ranks, is respectively from low to high by automaticity:
x
1: system does not provide any help, and the pilot must accomplish all decision-makings and manipulation
x
2: system provides a whole set of decision-making or action scheme
x
3: system's reduction scheme range of choice
x
4: system provides a proposed projects
x
5: if the pilot agrees then carries out this scheme
x
6: before carrying into execution a plan, allow the pilot in limiting time, to veto
x
7: automatically perform, only notify the pilot where necessary
x
8If: the pilot need then inform him
x
9: whether notify the pilot to determine by computing machine entirely
x
10: the work that system's decision is all, refusal pilot's intervention
4. set up the language assessment scale:
S={s
α| α=-5, Λ, 5}={ is minimum, and is very little, little, less, slightly little, general, big slightly, bigger, big, very big, greatly }.
By the expert people, capabilities advantage element are assessed FD function effect (contribution) degree, are obtained assessment result and be respectively:
According to formula (7) and (8); Utilize the UEWAA operator that assessment result
is assembled, obtain the people, capabilities to the comprehensive assessment result of FD function does
(3) formula of utilization, possibly spending for
of trying to achieve
can get FD robotization rate range 3≤A≤5 by (9) formula again.
5. set up function and distribute assessment level (attribute) set U={u
1, u
2, u
3, u
4, u
5, its element is respectively: u
1---mental load; u
2---the situation perception; u
3---reliability; u
4---risk of policy making; u
5---system cost.
6. confirmed after the robotization rate range of FD function, be equivalent to 3 kinds of different allocative decisions given, established FD allocative decision set X={x
3, x
4, x
5, its element representation robotization grade is in 3,4,5 three kind of situation, distributes assessment level (attribute) set U={u
1, u
2, u
3, u
4, u
5, establish its weight vectors and be:
ω=(0.351,0.227,0.284,0.037,0.074)
Decision maker's set is D={d
1, d
2, d
3, supposing that its weight vectors is λ=(0.33,0.33,0.34), three bit decisions persons utilize the language assessment scale:
S={s
α| α=-5, Λ, the 5}={ extreme difference, very poor, poor, relatively poor, poor slightly, general, good slightly, better, good, fine, fabulous
The uncertain language assessment matrix that provides is shown in table 3~table 5.
Table 3 decision matrix
Table 4 decision matrix
Table 3~table 5 representes that respectively three system designers are the decision matrix that function Decision of Allocation person provides according to the language assessment scale
U wherein
1The mental load of expression; u
2The perception of expression situation; u
3The expression reliability; u
4The expression risk of policy making; u
5The expression system cost.x
3The presentation function allocative decision adopts the 3rd level robotization that is; x
4The presentation function allocative decision adopts the 4th grade of robotization that is; x
5The presentation function allocative decision adopts the 5th grade of robotization that is;
At first utilize the UEWAA operator to evaluating matrix
In the capable language assessment information of i assemble, obtain decision maker d
kThe allocative decision x that provides
iThe synthesized attribute assessed value
The allocative decision x that utilizes the ULHA operator that 3 bit decisions persons are provided again
iThe synthesized attribute assessed value
Before assembling, need provide the vectorial w of weighting (position) of ULHA, establish w=(0.243,0.514,0.243).
By λ, t and
find the solution
Obtain decision scheme x thus
iColony's synthesized attribute assessed value
(3) formula of utilization is calculated possibly spend
and also setting up between the scenarios synthesized attribute assessed value
and possibly spent matrix
Can get the ordering vector that possibly spend matrix P by formula (12) is:
v=(0.295,0.409,0.296)。
Sort by its component size,
x
4φx
5φx
3
Therefore optimal case is x
4, promptly the robotization grade of FD function get 4 the most suitable.