CN110443216A - A kind of production model recognition methods of production equipment and device - Google Patents
A kind of production model recognition methods of production equipment and device Download PDFInfo
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Abstract
The application provides production model recognition methods and the device of a kind of production equipment.The current wave of acquisition input production equipment in the production equipment course of work, multiple electric current wave bands in current wave are extracted according to the length of preset standard wave, wherein, preset standard wave corresponds to a default production model, if existing and the matched matching current wave band of preset standard wave in multiple electric current wave bands, it is determined that production model of the production equipment within the matching current wave band corresponding period is default production model.Due to the corresponding default production model of preset standard wave, matching current wave band is obtained from multiple electric current wave bands according to preset standard wave, so that it is determined that production model of the production equipment within the matching current wave band corresponding period is default production model, it realizes and the production model of production equipment is identified automatically, to improve production efficiency.And application cost is low only to be identified to the production model of production equipment by inputting the current wave of production equipment.
Description
Technical field
This application involves area of pattern recognition, a kind of production model recognition methods in particular to production equipment and
Device.
Background technique
How the production model of production equipment in industrial processes is identified, and to the work of production equipment production
Number of packages amount is counted, and is in current production practices so that management level carry out digitlization pool and management to entire industrial production
The technical issues of generally facing.
Since non-numerical control device does not have digital capabilities, the production model of production equipment cannot be identified automatically,
It can only be by manually being counted to the piece count of production equipment production, low efficiency, and introduce automatic numerical control corollary equipment
Cost is excessively high, and being unfavorable for medium-sized and small enterprises reduces the demand of cost.
Summary of the invention
A kind of production model recognition methods for being designed to provide production equipment of the application and device, can be automatic right
The production model of production equipment is identified that application cost is low, and can be improved production efficiency.
To achieve the goals above, the embodiment of the present application the technical solution adopted is as follows:
In a first aspect, the embodiment of the present application provides a kind of production model recognition methods of production equipment, this method comprises: In
The current wave of acquisition input production equipment in the production equipment course of work.It is extracted in current wave according to the length of preset standard wave
Multiple electric current wave bands, wherein the corresponding default production model of preset standard wave.If existing in multiple electric current wave bands and preset standard
The matched matching current wave band of wave, it is determined that production model of the production equipment within the matching current wave band corresponding period is pre-
If production model.
Second aspect, the embodiment of the present application provide a kind of production model identification device of production equipment, which includes: electricity
Flow acquisition module, computing module and judgment module.Current acquisition module is used for the acquisition input life in the production equipment course of work
Produce the current wave of equipment.Computing module is used to extract multiple electric current wave bands in current wave according to the length of preset standard wave,
In, the corresponding default production model of preset standard wave.If judgment module in multiple electric current wave bands for existing and preset standard wave
Matched matching current wave band, it is determined that production model of the production equipment within the matching current wave band corresponding period is default
Production model.
Compared with the existing technology, a kind of production model recognition methods of production equipment provided by the embodiment of the present application and dress
It sets.The current wave of acquisition input production equipment in the production equipment course of work.Then, it is extracted according to the length of preset standard wave
Multiple electric current wave bands in current wave, wherein the corresponding default production model of preset standard wave.Finally, if multiple electric current wave bands
It is middle to exist and the matched matching current wave band of preset standard wave, it is determined that production equipment is in the matching current wave band corresponding period
Interior production model is default production model.Due to the corresponding default production model of preset standard wave, according to preset standard wave from
Matching current wave band is obtained in multiple electric current wave bands, so that it is determined that production equipment is within the matching current wave band corresponding period
Production model is default production model.It realizes and the production model of production equipment is identified automatically, improve production efficiency.And
And due to only identifying that application cost is low to the production model of production equipment by inputting the current wave of production equipment.
To enable the above objects, features, and advantages of the application to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
Technical solution in ord to more clearly illustrate embodiments of the present application, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only some embodiments of the application, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is a kind of application environment signal of the production model recognition methods of production equipment provided by the embodiment of the present application
Figure.
Fig. 2 is a kind of flow diagram of the production model recognition methods of production equipment provided by the embodiment of the present application.
Fig. 3 is section for obtaining the electric current wave band of multiple preset lengths in current wave provided by the embodiment of the present application in real time
Take schematic diagram.
Fig. 4 is the process signal of the production model recognition methods of another kind production equipment provided by the embodiment of the present application
Figure.
Fig. 5 is the organigram in the corresponding unreasonable section electric current wave band A provided by the embodiment of the present application.
Fig. 6 is the schematic diagram of electric current wave band B and unreasonable midpoint crossing provided by the embodiment of the present application.
Fig. 7 is the corresponding organigram for expanding unreasonable section of electric current wave band B provided by the embodiment of the present application.
Fig. 8 is sun gear standard diagram and the matching schematic diagram of experimental data provided by the embodiment of the present application.
Fig. 9 is the functional block diagram of the production model identification device of production equipment provided by the embodiment of the present application.
In figure: 110- production equipment；120- electric current obtains equipment；130- power supply；The production model of 200- production equipment is known
Other device；210- current acquisition module；220- computing module；230- judgment module；240- statistical module.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
It should be noted that in the absence of conflict, the feature in the embodiment of the present invention can be combined with each other.
Referring to FIG. 1, for a kind of application of the production model recognition methods of production equipment provided by the embodiment of the present application
Environment schematic.Production equipment 110 obtains equipment 120 by electric current and is electrically connected with power supply 130.Production equipment 110 is for manufacturing
The workpiece such as product, such as production and processing sun gear, planetary gear.Electric current obtains equipment 120 and is used in 110 course of work of production equipment
It is middle to obtain the current wave for inputting the production equipment 110.Wherein, production equipment 110 can be with right and wrong numerical control production equipment (such as vehicle
Bed, grinding machine etc.) or numerical control production equipment (such as numerically controlled lathe), electric current, which obtains equipment 120, can be ammeter debugging gateway.
The embodiment of the present application also provides a kind of production model recognition methods of production equipment, please refers to Fig. 2.The production equipment
Production model recognition methods can be applied to the electric current in above-mentioned application environment obtain equipment 120, with realize to production equipment
Production model identification.It should be noted that the production model recognition methods of production equipment provided in an embodiment of the present invention is simultaneously
It is not limitation with Fig. 2 and specific order below, it should be understood that in other embodiments, life provided in an embodiment of the present invention
The sequence for producing the part steps in the production model recognition methods of equipment can be exchanged with each other or therein according to actual needs
Part steps also can be omitted or delete.This method comprises the following steps:
Step S110, the current wave of acquisition input production equipment in the production equipment course of work.
In the present embodiment, electric current, which obtains, can integrate current sensor in equipment, for acquiring in production equipment work
The current wave of the production equipment is inputted during making.Wherein, the current wave of acquisition can be what section at preset timed intervals was acquired,
For example, the current wave of production equipment is inputted in acquisition one day as unit of day, alternatively, the current wave of acquisition is also possible in real time
Current data.It is understood that can also check the current wave received before the current wave of acquisition input production equipment
With the presence or absence of shortage of data.
Step S120 extracts multiple electric current wave bands in current wave according to the length of preset standard wave；Wherein, preset standard
Wave corresponds to a default production model.
In the present embodiment, production equipment produces and processes identical product (i.e. in same during production and processing
Production model) when, input current wave be it is identical, therefore, the corresponding current wave of interested production model can be mentioned
It takes out as preset standard wave, to realize the production model for identifying production equipment according to preset standard wave.
In an alternative embodiment, step S120 can specifically include: obtain current wave according to prefixed time interval
In multiple preset lengths electric current wave band；Wherein, preset length is the presupposition multiple of the length of preset standard wave.Preset length
And the length of preset standard wave is the length of time.
For example, it is assumed that time interval is 1s, the length of preset standard wave is 1000s, and preset length is preset standard wavelength
1.1 times (1100s) of degree, the length of current wave are 10000s, then can be since 0s, every 1100s in 1s interception current wave
The electric current wave band of length, and then obtain multiple electric current wave bands.It is understood that in order to realize the life to production equipment in real time
Production mode is identified (when the current wave acquired is real-time current data), can obtain current wave in real time according to preset length
In multiple preset lengths electric current wave band, i.e., the current wave of input production equipment is obtained incessantly, and every preset length
Obtain the electric current wave band of the preset length recently input in current wave.As shown in Figure 3, it is assumed that current time 7:00 presets length
Degree extracts the current wave of the preset length before current time then using current time as starting point for 1h, obtained 6:00 to 7:
00 current wave is electric current wave band.
In an alternative embodiment, more accurately the production model of production equipment is identified to realize,
Referring to FIG. 4, step S120 can be specifically included:
Step S121 determines the different sliding window of multiple length according to the length of preset standard wave.
In the present embodiment, sliding window is preset, when preset standard wave is multiple, for different preset standards
Wave can correspond to different sliding windows.As shown in table 1, when preset standard wave is A1, it is determined that the preset standard wave is corresponding
Sliding window include B1, B2 and B3, the length of B1, B2 and B3 are different, when standard wave be A2 when, it is determined that this is pre-
Being marked with the corresponding sliding window of quasi wave includes C1, C2 and C3, and wherein the length of B1, B2, B3, C1, C2 and C3 are different.
Wherein, the length of sliding window can be any multiple in the first multiple to second times of number interval of preset standard wavelength degree,
For example, it is assumed that the first multiple is 0.9, the second multiple is 1.5, then the length of sliding window can be preset standard wavelength degree
1.1 again.
Table 1
| Preset standard wave | Sliding window |
| A1 | B1、B2、B3 |
| A2 | C1、C2、C3 |
| A3 | D1、D2、D3 |
Step S122 carries out the extraction of electric current wave band to current wave according to the different sliding window of multiple length, obtains more
A electric current band group.Wherein, each electric current band group includes multiple electric current wave bands.
In the present embodiment, the extraction for successively carrying out electric current wave band to current wave according to each sliding window, obtains multiple
Electric current band group, multiple sliding windows and multiple electric current band groups correspond.With according to a sliding window to current wave into
For the extraction of row electric current wave band, sliding window interception current wave can be slided according to prefixed time interval, is obtained corresponding
Electric current band group.
Step S123, the characteristic distance between calculating current wave band and preset standard wave.
In the present embodiment, as shown in table 2, each electric current wave band and preset standard wave in multiple electric current band groups are calculated
Between characteristic distance.Wherein, B1, B2, B3 respectively indicate the sliding window of different length, and " 1 " to " n " indicates different length
The serial number of the corresponding electric current band group corresponding current wave band of sliding window, data portion are characterized distance, the length of " n " and current wave
The prefixed time interval of degree, the length of sliding window and sliding window sliding is related.It is understood that due to sliding window
Length and sliding window sliding prefixed time interval it is different, the corresponding electric current band group of the sliding window of different length
Quantity can be identical or different, to briefly express, by the quantity of the corresponding electric current band group of the sliding window of different length in table 2
It is set as identical n.
Table 2
| Sliding window | B1 | B2 | B3 |
| 1 | 1.6 | 1.7 | 1.5 |
| 2 | 1.1 | 0.8 | 0.7 |
| 3 | 1.4 | 0.5 | 0.7 |
| 4 | 1.2 | 1.4 | 1.3 |
| … | … | … | … |
| n | 1 | 0.9 | 1.2 |
Optionally, go out the number of the matching current wave band in current wave for accurate statistics, after step S123, this method
Can also include: obtain characteristic distance in minimal characteristic distance, and using minimal characteristic apart from corresponding electric current band group as
Electric current band group to be processed；The multiple target current wave bands not intersected between each other are selected from electric current band group to be processed.
Wherein, the step of multiple target current wave bands not intersected between each other are selected from electric current band group to be processed
Can specifically include: the length and minimal characteristic according to minimal characteristic apart from corresponding sliding window are apart from corresponding current wave
Section constructs unreasonable section, and ascending order traverses the corresponding characteristic distance of each electric current wave band to be processed in electric current band group to be processed,
And judge electric current wave band to be processed whether with unreasonable midpoint crossing, if electric current wave band to be processed does not intersect with unreasonable section,
Electric current wave band to be processed is then determined as target current wave band, and corresponding according to target current wave band and target current wave band
The length of sliding window expands unreasonable section.
Still by taking table 2 as an example, it is assumed that the corresponding feature of the 3rd electric current wave band in the corresponding electric current band group of sliding window B2 away from
It is with a distance from minimal characteristic, then using the corresponding electric current band group of sliding window B2 as electric current band group to be processed from " 0.5 ".And it is false
If the sequence after the characteristic distance ascending order arrangement of the corresponding electric current band group of sliding window B2 is D, minimal characteristic is apart from corresponding
Central point of the electric current wave band A on current wave is O1, as shown in figure 5, according to the length b2 of O1 and sliding window in current wave
The upper unreasonable section (i.e. in the unreasonable section, production equipment is practical to only exist a production model) of construction, then obtains D
In the corresponding electric current wave band B of second element (characteristic distance), judge electric current wave band B whether with unreasonable midpoint crossing, such as
Shown in Fig. 6, as the electric current wave band B and unreasonable midpoint crossing, then electric current wave band B is not considered；As shown in fig. 7, working as the electricity
When flowing wave band B not with unreasonable midpoint crossing, it is determined that the electric current wave band B is target current wave band, according to electric current wave band B's
The length b2 of center and sliding window constructs the unreasonable section of supplement on current wave, and the unreasonable section of the supplement is expanded
To above-mentioned unreasonable section, i.e., unreasonable section at this time includes not conformed to according to what electric current wave band A and electric current wave band B was constructed
Manage section.In turn, multiple target current wave bands not intersected between each other can be obtained in the element in ergodic sequence D.It needs
Illustrate, minimal characteristic is equally targeted electric current wave band apart from corresponding electric current wave band.
Step S124, if characteristic distance is less than preset threshold, Cutoff current wave band is and matched, preset standard wave
With electric current wave band.
For example, it is assumed that preset threshold be 0.7, then can be determined that electric current wave band of all characteristic distances less than 0.7 be with it is pre-
It is marked with the matched matching current wave band of quasi wave.
In the case where selecting the multiple target current wave bands not intersected between each other from electric current band group to be processed,
If the corresponding characteristic distance of target current wave band is less than preset threshold, determine that target current wave band is the matching current wave
Section.It is pre- by being less than in multiple target current wave bands i.e. after getting the multiple target current wave bands not intersected between each other
If the target current wave band of threshold value is determined as matching current wave band.
Step S130, if existing and the matched matching current wave band of preset standard wave in multiple electric current wave bands, it is determined that raw
Producing production model of the equipment within the matching current wave band corresponding period is default production model.
It in the present embodiment, can be first in order to determine whether a certain electric current wave band to be processed matches with preset standard wave
Calculate separately the feature of electric current wave band and preset standard wave to be processed, wherein the extraction of feature can be extract data mean value,
Variance, greater than mean value data number, the coefficient of 1 rank Fourier transformation and the inverse of first-order difference, then calculate wait locate
The distance between the feature of electric current wave band and preset standard wave (for example, mahalanobis distance, Euclidean distance) is managed, electric current to be processed is obtained
The characteristic distance of wave band and preset standard wave, finally judge this feature distance whether less than a threshold value, when less than a threshold value, then
Determine that the electric current wave band to be processed is matched with preset standard wave.
Step S140, calculates the number of matching current wave band, and determines matching current according to the number of matching current wave band
The quantity of the corresponding workpiece of wave band.
In the present embodiment, digitlization pool and management are carried out to entire industrial production for the ease of management level, in determination
Out after the quantity of the corresponding workpiece of matching current wave band, statistical report can also be generated according to the quantity so that administrative staff look into
It sees.It is understood that when the current wave of acquisition is that section is acquired at preset timed intervals, it can be as unit of preset time period
It generates statistical report and is sent to the terminal device of administrative staff, when the current wave of acquisition is real-time current data, Ke Yishi
Shi Shengcheng statistical report and the terminal device for being sent to administrative staff.
It should be noted that in order to further judge the mistake in the production equipment of a certain production model workpiece produced
Difference, after getting matching current wave band matching current wave band can further be analyzed (such as to the size of characteristic distance with
And the characteristic of electric current wave band to be processed is analyzed), may be implemented under a certain production model production equipment produced
Workpiece error judgement.
It is understood that the embodiment of the present application can also preset multiple and different standard waves, realize according to multiple and different
Standard wave identify a variety of different production models of production equipment.
In the following, the experimental data of the production model identification in conjunction with the production equipment to production sun gear, does the above method
It is further described.
Referring to FIG. 8, sun gear standard diagram is preset standard wave, the length of the sun gear standard diagram is 6000s, too
Sun wheel pattern match result figure i.e. show in current wave with the matched matching current wave band of sun gear standard diagram.
Production model recognition methods based on above-mentioned production equipment, the above method have at least the following advantages: realizing
Automatically the production model of production equipment is identified, improves production efficiency.And due to only passing through the electricity of input production equipment
Stream wave identifies that application cost is low to the production model of production equipment, can apply in non-numerical control or numerical control production equipment.
Furthermore it is also possible to after the quantity for determining the corresponding workpiece of matching current wave band, according to the quantity generate statistical report so as to
Administrative staff check, carry out digitlization pool and management to entire industrial production convenient for management level.
The embodiment of the present application also provides a kind of production model identification device 200 of production equipment, please refers to Fig. 9.It needs
It is bright, the production model identification device 200 of production equipment provided by the present embodiment, the technology effect of basic principle and generation
Fruit is identical as preceding method embodiment, to briefly describe, does not refer to part in the present embodiment, can refer in preceding method embodiment
Corresponding contents.The device includes current acquisition module 210, computing module 220, judgment module 230 and statistical module 240.
Current wave of the current acquisition module 210 for the acquisition input production equipment in the production equipment course of work.
It is understood that current acquisition module 210 can execute above-mentioned steps S110.
Computing module 220 is used to extract multiple electric current wave bands in current wave according to the length of preset standard wave；Wherein, in advance
It is marked with the corresponding default production model of quasi wave.
Optionally, computing module 220 specifically can be used for: be obtained according to prefixed time interval multiple default in current wave
The electric current wave band of length；Wherein, preset length is the presupposition multiple of the length of preset standard wave.
It is understood that computing module 220 can execute above-mentioned steps S120.
Further, more accurately the production model of production equipment is identified to realize, computing module 220 may be used also
To be used for: determining the different sliding window of multiple length according to the length of preset standard wave；According to the different sliding of multiple length
Window carries out the extraction of electric current wave band to current wave, obtains multiple electric current band groups.Wherein, each electric current band group includes
Multiple electric current wave bands；Characteristic distance between calculating current wave band and preset standard wave；If characteristic distance is less than preset threshold,
Cutoff current wave band be and the matched matching current wave band of preset standard wave.
Optionally, the number of the matching current wave band in current wave is gone out for accurate statistics, computing module 220 can be used
In: obtain characteristic distance in minimal characteristic distance, and using minimal characteristic apart from corresponding electric current band group as electricity to be processed
Flow band group；The multiple target current wave bands not intersected between each other are selected from electric current band group to be processed；If target is electric
It flows the corresponding characteristic distance of wave band and is less than preset threshold, then determine target current wave band for matching current wave band.
Wherein, computing module 220 is selecting the multiple targets that do not intersect between each other from electric current band group to be processed
When electric current wave band, be specifically used for: the length and minimal characteristic distance according to minimal characteristic apart from corresponding sliding window are corresponding
Electric current wave band construct unreasonable section, ascending order traverses the corresponding spy of each electric current wave band to be processed in electric current band group to be processed
Levy distance, and judge electric current wave band to be processed whether with unreasonable midpoint crossing, if electric current wave band to be processed and unreasonable section
Do not intersect, then electric current wave band to be processed is determined as target current wave band, and according to target current wave band and target current wave
The length of the corresponding sliding window of section expands unreasonable section.
It is understood that computing module 220 can execute above-mentioned steps S121, S122, S123 and S124.
If judgment module 230 for exist in multiple electric current wave bands with the matched matching current wave band of preset standard wave,
Determine that production model of the production equipment within the matching current wave band corresponding period is default production model.
It is understood that judgment module 230 can execute above-mentioned steps S130.
Statistical module 240 is used to calculate the number of matching current wave band, and according to the number of matching current wave band determining
Quantity with the corresponding workpiece of electric current wave band.
It is understood that statistical module 240 can execute above-mentioned steps S140.
Further, it is to be understood that the production model identification device 200 of production equipment provided herein can be with
The electric current in above-mentioned application environment is arranged in obtain in equipment, or is provided separately in an electronic equipment, when production equipment
When production model identification device 200 is arranged in above-mentioned electric current acquisition equipment, which, which obtains equipment, can integrate processing
Device, memory, current sensor and communication interface, the memory, processor, current sensor and communication interface are mutual
It is directly or indirectly electrically connected, to realize the transmission or interaction of data.For example, these elements between each other can by one or
A plurality of communication bus or signal wire, which are realized, to be electrically connected.Memory can be used for storing software program and module, as the application is implemented
Corresponding program instruction/the module of production model identification device 200 of production equipment provided by example, processor is by executing storage
Software program and module in memory are realized provided by the present application thereby executing various function application and data processing
The production model recognition methods of production equipment.
When the production model identification device 200 of production equipment is provided separately within an electronic equipment, the electronic equipment with it is upper
The electric current stated obtains equipment electrical connection, which can integrate processor, memory and communication interface, the storage
Device, processor and communication interface are directly or indirectly electrically connected between each other, to realize the transmission or interaction of data.For example,
These elements can be realized by one or more communication bus or signal wire be electrically connected between each other.Communication interface is for receiving
Electric current obtains the current wave for inputting the production equipment that equipment obtains, and memory can be used for storing software program and module, such as originally
Apply for the corresponding program instruction/module of production model identification device 200 of production equipment provided by embodiment, processor passes through
It executes the software program and module being stored in memory and realizes this Shen thereby executing various function application and data processing
The production model recognition methods for the production equipment that please be provide.
In conclusion production model recognition methods and device the embodiment of the invention provides a kind of production equipment.In life
Produce the current wave of acquisition input production equipment in the equipment course of work.Then, current wave is extracted according to the length of preset standard wave
In multiple electric current wave bands, wherein the corresponding default production model of preset standard wave.Finally, if existing in multiple electric current wave bands
With the matched matching current wave band of preset standard wave, it is determined that life of the production equipment within the matching current wave band corresponding period
Production mode is default production model.Due to the corresponding default production model of preset standard wave, according to preset standard wave from multiple electricity
It flows and obtains matching current wave band in wave band, so that it is determined that production mould of the production equipment within the matching current wave band corresponding period
Formula is default production model.It realizes and the production model of production equipment is identified automatically, improve production efficiency.And due to
Application cost is low only to be identified to the production model of production equipment by inputting the current wave of production equipment.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
It is obvious to a person skilled in the art that the application is not limited to the details of above-mentioned exemplary embodiment, Er Qie
In the case where without departing substantially from spirit herein or essential characteristic, the application can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and scope of the present application is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included in the application.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (10)
1. a kind of production model recognition methods of production equipment, which is characterized in that the described method includes:
Acquisition inputs the current wave of the production equipment in the production equipment course of work；
Multiple electric current wave bands in the current wave are extracted according to the length of preset standard wave；Wherein, the preset standard wave pair
Answer a default production model；
If existing and the matched matching current wave band of the preset standard wave in the multiple electric current wave band, it is determined that the production
Production model of the equipment within the matching current wave band corresponding period is the default production model.
2. the method according to claim 1, wherein described extract the electric current according to the length of preset standard wave
The step of multiple electric current wave bands in wave includes:
The different sliding window of multiple length is determined according to the length of the preset standard wave；
The extraction for carrying out electric current wave band to the current wave according to the different sliding window of the multiple length, obtains multiple electric currents
Band group；Wherein, each electric current band group includes multiple electric current wave bands.
3. according to the method described in claim 2, it is characterized in that, the method also includes:
Calculate the characteristic distance between the electric current wave band and the preset standard wave；
If the characteristic distance is less than preset threshold, determine that the electric current wave band is and the matched matching of preset standard wave
Electric current wave band.
4. according to the method described in claim 3, it is characterized in that, described calculate the electric current wave band and the preset standard wave
Between characteristic distance the step of include:
Extract the feature of the electric current wave band；
The feature of the electric current wave band and the distance between the feature of the standard wave are calculated, the characteristic distance is obtained.
5. according to the method described in claim 3, it is characterized in that, described calculate the electric current wave band and the preset standard wave
Between characteristic distance the step of after, the method also includes:
Obtain the minimal characteristic distance in the characteristic distance, and using the minimal characteristic apart from corresponding electric current band group as
Electric current band group to be processed；
The multiple target current wave bands not intersected between each other are selected from the electric current band group to be processed；
If the characteristic distance is less than preset threshold, determine that the electric current wave band is matched with the preset standard wave
The step of matching current wave band includes:
If the corresponding characteristic distance of the target current wave band is less than the preset threshold, determine that the target current wave band is
The matching current wave band.
6. according to the method described in claim 5, it is characterized in that, described select mutually from the electric current band group to be processed
Between do not have intersect multiple target current wave bands the step of include:
Length and the minimal characteristic according to the minimal characteristic apart from corresponding sliding window is apart from corresponding current wave
Section constructs unreasonable section；
Ascending order traverses the corresponding characteristic distance of each electric current wave band to be processed in the electric current band group to be processed, and described in judging
Electric current wave band to be processed whether with the unreasonable midpoint crossing；
If the electric current wave band to be processed does not intersect with the unreasonable section, the electric current wave band to be processed is determined as institute
Target current wave band is stated, and according to the length of the target current wave band and the corresponding sliding window of the target current wave band
Expand the unreasonable section.
7. the method according to claim 1, wherein described extract the electric current according to the length of preset standard wave
The step of multiple electric current wave bands in wave includes:
The electric current wave band of multiple preset lengths in the current wave is obtained according to prefixed time interval, wherein the default length
Degree is the presupposition multiple of the length of the preset standard wave.
8. the method according to claim 1, wherein the method also includes:
The number of the matching current wave band is calculated, and the matching current wave is determined according to the number of the matching current wave band
The quantity of the corresponding workpiece of section.
9. a kind of production model identification device of production equipment characterized by comprising
Current acquisition module, the current wave for the acquisition input production equipment in the production equipment course of work；
Computing module, for extracting multiple electric current wave bands in the current wave according to the length of preset standard wave；Wherein, described
Preset standard wave corresponds to a default production model；
Judgment module, if for exist in the multiple electric current wave band with the matched matching current wave band of the preset standard wave,
Then determine that production model of the production equipment within the matching current wave band corresponding period is the default production mould
Formula.
10. device according to claim 9, which is characterized in that the computing module is used for according to the preset standard wave
Length determine the different sliding window of multiple length；
The computing module is also used to carry out electric current wave band to the current wave according to the different sliding window of the multiple length
Extraction, obtain multiple electric current band groups；Wherein, each electric current band group includes multiple electric current wave bands.
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