CN109785287A - Flowing possibility enumeration based on flow chart image analysis - Google Patents
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- CN109785287A CN109785287A CN201811532563.XA CN201811532563A CN109785287A CN 109785287 A CN109785287 A CN 109785287A CN 201811532563 A CN201811532563 A CN 201811532563A CN 109785287 A CN109785287 A CN 109785287A
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- 238000010191 image analysis Methods 0.000 title claims abstract description 17
- 239000000126 substance Substances 0.000 claims abstract description 6
- 238000003825 pressing Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 abstract description 6
- 238000010422 painting Methods 0.000 abstract description 3
- 238000010561 standard procedure Methods 0.000 abstract description 3
- 238000001311 chemical methods and process Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000007717 exclusion Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000012824 chemical production Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/30—Computing systems specially adapted for manufacturing
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Abstract
The flowing possibility enumeration based on flow chart image analysis that the invention discloses a kind of, the flow chart on chemical industry inputs valve sum N including inputting the flow chart done by national standard, imported valve number h, outlet valve number k, is numbered valve, by the connection between valve, generate a table, if imported valve number and outlet valve number are not 1, all permutation and combination are exported, respectively to every group 1idj(1≤i≤h, 1≤j≤) finds out all imported valves 1iTo all outlet ports valve djRoute, after traversing all routes by imported valve to outlet valve, export all routes, and valve number is changed to corresponding valve.The present invention will be passed to computer by the resulting chemical-process figure of the national standard technique of painting, and according to the algorithm that invention proposes, quick enumeration goes out the case where all fluids flow.
Description
Technical field
The present invention relates to chemical production technical field more particularly to a kind of flowing possibilities based on flow chart image analysis
Enumeration.
Background technique
With the continuous development of chemical industry, production procedure is supervised in order to facilitate technology producers, is occurred more and more
Flow chart, and flow chart is also to become increasingly complex, and people are difficult to quick-searching and go out all fluid flow informations, so as to cause life
It makes troubles when producing control pipeline on-off with maintenance, so that production efficiency reduces, while difficulty is overhauled to the exclusion of failure
It increases, it is difficult to timely to maintain equipment, so that damp production, using the invention, for this reason, it may be necessary to which designing one kind can be with
The algorithm for the case where all fluids of quick enumeration flow.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, of the invention
One purpose is to propose a kind of flowing possibility enumeration based on flow chart image analysis, quickly neither repeat nor
That omits enumerates the route of all fluid flowings.
A kind of flowing possibility enumeration based on flow chart image analysis according to an embodiment of the present invention is used for chemical industry
Upper flow chart, the flowing possibility enumeration based on flow chart image analysis include:
S1: the flow chart that input is done by national standard inputs valve sum N, imported valve number h, outlet valve number k；
S2: being numbered valve, and imported valve number is 11、12…1h, enabling d=(N-h-k+2), then outlet valve is numbered
For d1、d2…dk, the valve that priority flag is connected with number compared with minor valve later, time that such as first label is connected with imported valve
Grade valve, then the valve being connected with second valve is marked, number consecutively, until all valves are all numbered and finished, when some valve
(when the upper level valve of valve b) has multiple, and the valve number for wherein having certain several is bigger than itself, such as valve c, valve for door
The number of valve b is then added lower footnote, becomes b by f, and c > b, f > bC, f, it is connected between c and f with ", "；
S3: pressing the connection between valve, generates a table, and the ranks number of table is N, header line and title bar
All it is the number of each valve, if having phase link line between two valves, and has on a route without others valve, then should
The content for numbering corresponding table is denoted as 1, is otherwise denoted as 0；
S4: when imported valve number and outlet valve number are 1, i.e. h and k are 1, and imported valve number is 11,, outlet
Valve number is d1, then looking for valve number is 11Connected valve is (i.e. in table, when header line 11When, correspond to content in table
For 1 title bar or work as title bar 11When, correspond to the header line that content is 1 in table), if connected valve more than one,
Lesser valve (being assumed to be 2) is numbered in preferential selection, then finding with number is 2 valves being connected；Equally when qualified
When valve more than one, the number for the valve that preferential selection is numbered small valve and found cannot be smaller than the number of itself, if
Number is smaller than itself, as long as this is numbered, the valve smaller than itself has lower footnote and some footmark therein is this " itself " valve
The number of door, then also meet the requirements；It successively finds down, until finding d1, then this line records is got off；
S5: the route in applying step S4, compared at branching valve nearest apart from outlet valve in the route, compare with
The number of the connected other valve of the valve whether than the valve number in the route that is recorded next valve volume
It is number whether big, backtracking is continued up if small, a upper branch point is found and is judged, all number than him is chosen if big
In big valve, the smallest valve is numbered, chooses route steps in applying step S4, if d can be found1Then this route is remembered
Record is got off, if d can not be found1, then backtracking is continued up, a upper branch point is found and is judged, repeated the above steps, until
Trace back to valve 11, export all by 11To d1Route；
S6: if imported valve number and outlet valve number are not 1, by imported valve 11、12…1h, outlet valve, which is numbered, is
d1、d2…dk, arranged, export all permutation and combination, respectively to every group 1idj(1≤i≤h, 1≤j≤k) applies S4 to S5
Step finds out all imported valves 1iTo all outlet ports valve djRoute；
S7: after traversing all routes by imported valve to outlet valve, all routes are exported, and valve is numbered
It is changed to corresponding valve.
Preferably, the number of the imported valve is one or more.
Preferably, the number of the outlet valve is one or more.
Preferably, the ranks number of table is N in the step S3, and header line and title bar are all the volume of each valve
Number, if having phase link line between two valves, while there are no others valves on a route, then the corresponding table of the number
Content be denoted as 1, be otherwise denoted as 0.
Preferably, branching valve described in step S5 is that valve has plurality of passages to connect with other valves herein.
In the present invention, it is passed to computer by the resulting chemical-process figure of the national standard technique of painting, according to the algorithm that invention proposes, quickly
The case where enumerating the flowing of all fluids, facilitates technology producers that flow chart is combined to supervise production procedure, facilitates production control
Pipeline on-off, service personnel overhaul the exclusion of failure, and timely to maintain equipment supports the normal operation of production.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is a kind of method frame of the flowing possibility enumeration based on flow chart image analysis proposed by the present invention
Figure；
Fig. 2 is a kind of possible valve connection flow chart proposed by the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Examples of the embodiments are shown in the accompanying drawings, wherein same or similar number indicates identical or class from beginning to end
As element or element with the same or similar functions.The embodiments described below with reference to the accompanying drawings are exemplary, purport
It is being used to explain the present invention, and is being not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
Referring to Fig.1, a kind of flowing possibility enumeration based on flow chart image analysis is used for flow chart on chemical industry,
Flowing possibility enumeration based on flow chart image analysis includes:
S1: the flow chart that input is done by national standard inputs valve sum N, imported valve number h, outlet valve number k；
S2: being numbered valve, and imported valve number is 11、12…1h, enabling d=(N-h-k+2), then outlet valve is numbered
For d1、d2…dk, the valve that priority flag is connected with number compared with minor valve later, time that such as first label is connected with imported valve
Grade valve, then the valve being connected with second valve is marked, number consecutively, until all valves are all numbered and finished, when some valve
(when the upper level valve of valve b) has multiple, and the valve number for wherein having certain several is bigger than itself, such as valve c, valve for door
The number of valve b is then added lower footnote, becomes b by f, and c > b, f > bC, f, it is connected between c and f with ", "；
S3: pressing the connection between valve, generates a table, and the ranks number of table is N, header line and title bar
All it is the number of each valve, if having phase link line between two valves, and has on a route without others valve, then should
The content for numbering corresponding table is denoted as 1, is otherwise denoted as 0；
S4: when imported valve number and outlet valve number are 1, i.e. h and k are 1, and imported valve number is 11,, outlet
Valve number is d1, then looking for valve number is 11Connected valve is (i.e. in table, when header line 11When, correspond to content in table
For 1 title bar or work as title bar 11When, correspond to the header line that content is 1 in table), if connected valve more than one,
Lesser valve (being assumed to be 2) is numbered in preferential selection, then finding with number is 2 valves being connected；Equally when qualified
When valve more than one, the number for the valve that preferential selection is numbered small valve and found cannot be smaller than the number of itself, if
Number is smaller than itself, as long as this is numbered, the valve smaller than itself has lower footnote and some footmark therein is this " itself " valve
The number of door, then also meet the requirements；It successively finds down, until finding d1, then this line records is got off；
S5: the route in applying step S4, compared at branching valve nearest apart from outlet valve in the route, compare with
The number of the connected other valve of the valve whether than the valve number in the route that is recorded next valve volume
It is number whether big, backtracking is continued up if small, a upper branch point is found and is judged, all number than him is chosen if big
In big valve, the smallest valve is numbered, chooses route steps in applying step S4, if d can be found1Then this route is remembered
Record is got off, if d can not be found1, then backtracking is continued up, a upper branch point is found and is judged, repeated the above steps, until
Trace back to valve 11, export all by 11To d1Route；
S6: if imported valve number and outlet valve number are not 1, by imported valve 11、12…1h, outlet valve, which is numbered, is
d1、d2…dk, arranged, export all permutation and combination, respectively to every group 1idj(1≤i≤h, 1≤j≤k) applies S4 to S5
Step finds out all imported valves 1iTo all outlet ports valve djRoute；
S7: after traversing all routes by imported valve to outlet valve, all routes are exported, and valve is numbered
It is changed to corresponding valve.
The number of the imported valve is one or more；The number of the outlet valve is one or more；The step
The ranks number of table is N in rapid S3, and header line and title bar are all the number of each valve, if having between two valves connected
Route, while having without others valve on a route, then the content of the corresponding table of the number is denoted as 1, is otherwise denoted as 0；
Branching valve described in step S5 is that valve has plurality of passages to connect with other valves herein.
The table of 1 corresponding diagram of table, 2 valve connection
| 11 | 2 | 3 | 4 | 5 | 6 | 79 | 8 | 9 | 10 | 111 | |
| 11 | 0 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
| 3 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 |
| 4 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
| 6 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 79 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 |
| 8 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 9 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| 10 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 |
| 111 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | 0 |
As shown in Fig. 2, Fig. 2 is a kind of possible valve connection flow chart；
(1) position of valve is successively labeled as 1 according to the information in figure by the flow chart that input national standard is done1、2、3…
79…111.Wherein 11Represent the valve at material inlet, 111Represent the valve at material outlet, 79It is multiple to indicate that this valve has
The valve of upper level, wherein the number for having a valve is 9, it is bigger than 7；
(2) as shown in table 1, by the connection between valve, a table is generated, the ranks number of table is 11, mark
Topic is capable and title bar is all the number of each valve, if having phase link line between two valves, and has on a route and does not have it
His valve, then the content of the corresponding table of the number is denoted as 1, is otherwise denoted as 0；
(3) it finds marked as 11Valve, find with 11Adjacent valve has valve 2, valve 3, valve 4, valve in Fig. 1
Door 5, if more than one, by size, first finds the smallest valve of label, is in the example in fig 12；
(4) valve adjacent with 2 is found, in Fig. 1, removes 11Outside, there are also valves 6, valve 79, with (3), if more than one
Valve then first finds the smallest valve of label, is in the example in fig 16；
(5) continue to find the valve adjacent with 6, while the step of not including valve 2, continuing the above (4).It was found that there was only valve
Door 11, i.e. valve at material outlet.The 1 of record process1、2、6、111, and save as route 1；
(6) it in the route 1 that step (5) is found, finds apart from outlet valve 111Compare at nearest branching valve, in Fig. 1
In be valve 2.And in route 1, the number of next valve of the valve number more than 2 is found, is valve in Fig. 1
2, discovery valve 2 has the valve bigger than label 6, and there are also valves 7 in Fig. 19, then retain valve 11To 2 process, from valve 2
Start, finds valve 79, continue to look for the valve met downwards, find valve 111, and record 11、2、79、111, save as route 2；
(7) it is found in analysis valve 2 adjacent thereto except 11Two outer valves all have already passed through lookup, and save road
Line, then up look for and valve 11The smallest valve in label all valves bigger than 2 in connected valve, i.e. valve in Fig. 1
3；
(8) there are three respectively valves 6, valve 8, valve 9 for the valve adjacent with valve 3, wherein the smallest is valve 6,
Continue to look for the valve adjacent with 6, is valve 11 in Fig. 11, i.e. the route also terminates, record 11、3、6、111, and save as road
Line 3；
(9) step (8) are repeated, looks for the valve adjacent with valve 3, and until valve 111Terminate, it is possible to find 1 can be recorded1、3、
8、111, it is denoted as route 4；Continue to find the also valve 9 that discovery is connected with valve 3 down, but the valve being connected with valve 9 is only
There is valve 79Although 7 to 9 is small, valve 79Lower footnote in have 9, therefore also comply with record route requirement, then down
Valve is found, until valve 111, record 11、3、9、79、111, it is denoted as route 5.
(10) as same step (7) analysis valve 2, valve 3 is analyzed, after discovery traverses all possible situation, from
Valve 4 sets out, record 11、4、79、111, and it is denoted as route 6；
(11) same to step (10) can record 11、5、10、111, and it is denoted as route 7.
When with valve 11In adjacent all valves after all situations traversal of the maximum valve of label, terminates valve and look into
Process is looked for, and by after all routes, valve title representated by respective label is brought into, and all route plans are exported.
In conclusion the resulting chemical industry of the national standard technique of painting should be pressed based on the flowing possibility enumeration of flow chart image analysis
Flow chart is passed to computer, and according to the algorithm that invention proposes, quick enumeration goes out the case where all fluids flow, technology is facilitated to produce
Personnel combine flow chart to supervise production procedure, facilitate production control pipeline on-off, and service personnel overhauls the exclusion of failure, in time
To maintain equipment supports the normal operation of production.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (5)
1. a kind of flowing possibility enumeration based on flow chart image analysis, for flow chart on chemical industry, which is characterized in that
Flowing possibility enumeration based on flow chart image analysis includes:
S1: the flow chart that input is done by national standard inputs valve sum N, imported valve number h, outlet valve number k；
S2: being numbered valve, and imported valve number is 11、12…1h, enabling d=(N-h-k+2), then outlet valve number is d1、
d2…dk, the valve that priority flag is connected with number compared with minor valve later, the secondary valve that such as first label is connected with imported valve
Door, then the valve being connected with second valve is marked, number consecutively, until all valves are all numbered and finished, when some valve (valve
When the upper level valve of door b) has multiple, and the valve number for wherein having certain several is bigger than itself, such as valve c, valve f, and c
The number of valve b is then added lower footnote, becomes b by > b, f > bC, f, it is connected between c and f with ", "；
S3: pressing the connection between valve, generates a table, and the ranks number of table is N, and header line and title bar are all
The number of each valve if having phase link line between two valves, and has no others valves on a route, then the number
The content of corresponding table is denoted as 1, is otherwise denoted as 0；
S4: when imported valve number and outlet valve number are 1, i.e. h and k are 1, and imported valve number is 11, outlet valve
Number is d1, then looking for valve number is 11Connected valve is (i.e. in table, when header line 11When, corresponding to content in table is 1
Title bar or work as title bar 11When, correspond to the header line that content is 1 in table), if connected valve more than one, preferentially
Lesser valve (being assumed to be 2) is numbered in selection, then finding with number is 2 valves being connected；Equally when qualified valve
When more than one, the number for the valve that preferential selection is numbered small valve and found cannot be smaller than the number of itself, if number
Smaller than itself, as long as this is numbered, the valve smaller than itself has lower footnote and some footmark therein is this " itself " valve
Number, then also meet the requirements；It successively finds down, until finding d1, then this line records is got off；
S5: the route in applying step S4 compares and the valve compared at branching valve nearest apart from outlet valve in the route
The number of the connected other valve of door whether than the number of next valve of the valve number in the route that is recorded be
It is no big, backtracking is continued up if small, a upper branch point is found and is judged, it is bigger than him that all numbers are chosen if big
In valve, the smallest valve is numbered, chooses route steps in applying step S4, if d can be found1It then will be under this line records
Come, if d can not be found1, then backtracking is continued up, a upper branch point is found and is judged, repeated the above steps, until backtracking
To valve 11, export all by 11To d1Route；
S6: if imported valve number and outlet valve number are not 1, by imported valve 11、12…1h, outlet valve number is d1、
d2…dk, arranged, export all permutation and combination, respectively to every group 1idj(1≤i≤h, 1≤j≤k) is walked using S4 to S5
Suddenly, all imported valves 1 are found outiTo all outlet ports valve djRoute；
S7: after traversing all routes by imported valve to outlet valve, all routes are exported, and valve number is changed to
Corresponding valve.
2. the flowing possibility enumeration according to claim 1 based on flow chart image analysis, it is characterised in that: institute
The number of imported valve is stated as one or more.
3. the flowing possibility enumeration according to claim 1 based on flow chart image analysis, it is characterised in that: institute
The number of outlet valve is stated as one or more.
4. the flowing possibility enumeration according to claim 1 based on flow chart image analysis, it is characterised in that: institute
The ranks number for stating table in step S3 is N, and header line and title bar are all the number of each valve, if valve has Xiang Lianlu
Line, while having and on only one route without others valve, then the content of the corresponding table of the number is denoted as 1, otherwise remembers
It is 0.
5. the flowing possibility enumeration according to claim 1 based on flow chart image analysis, it is characterised in that: step
Branching valve described in rapid S5 is that valve has plurality of passages to connect with other valves herein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811532563.XA CN109785287B (en) | 2018-12-14 | 2018-12-14 | Flow probability enumeration method based on flow chart image analysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811532563.XA CN109785287B (en) | 2018-12-14 | 2018-12-14 | Flow probability enumeration method based on flow chart image analysis |
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| CN109785287A true CN109785287A (en) | 2019-05-21 |
| CN109785287B CN109785287B (en) | 2023-06-13 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101447017A (en) * | 2008-11-27 | 2009-06-03 | 浙江工业大学 | Method and system for quickly identifying and counting votes on the basis of layout analysis |
| CN106441858A (en) * | 2016-12-05 | 2017-02-22 | 重庆享控智能科技有限公司 | Valve pre-judgment monitoring system and method |
| CN108680347A (en) * | 2018-05-14 | 2018-10-19 | 中广核研究院有限公司 | A kind of impurity environment lower valve discharge characteristic identification method |
-
2018
- 2018-12-14 CN CN201811532563.XA patent/CN109785287B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101447017A (en) * | 2008-11-27 | 2009-06-03 | 浙江工业大学 | Method and system for quickly identifying and counting votes on the basis of layout analysis |
| CN106441858A (en) * | 2016-12-05 | 2017-02-22 | 重庆享控智能科技有限公司 | Valve pre-judgment monitoring system and method |
| CN108680347A (en) * | 2018-05-14 | 2018-10-19 | 中广核研究院有限公司 | A kind of impurity environment lower valve discharge characteristic identification method |
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| CN109785287B (en) | 2023-06-13 |
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