CN104076768A - Method for electric energy consumption acquisition and energy conservation control in order executing process - Google Patents

Abstract

The invention discloses a method for electric energy consumption acquisition and energy conservation control in the order executing process. The method includes the steps that the relations between all levels of an order and all parts of equipment are established; a digital electric meter and the radio frequency identification technology are used in cooperation to acquire electric energy consumption data in the order executing process, and an electric energy consumption matrix is stored; the electric energy consumption values are added up to obtain the sum, so that electric energy consumption information of the order, all the levels of the order and electric energy consumption values of all the parts of the equipment are acquired; the electric energy consumption of the order is diagnosed; abnormality of electric energy consumption of the order is adjusted according to the prompt; whether the order is finished or not is judged, if yes, the procedure is ended, and if not, calculation and control of electric energy consumption of the order at the next moment are started. The method is favorable for acquiring electric energy consumption information in the order executing process in real time, abnormality or deviation of electric energy consumption is fast judged, located and fixed, and the purpose of electric energy conservation of an enterprise is achieved.

Description

Obtaining and energy-saving control method of order implementation power consumption

Technical field

The present invention relates to obtaining and energy-saving control method of power consumption, especially relate to obtaining and energy-saving control method of order implementation power consumption.

Background technology

Manufacturing industry is resource to be changed into the industry of product, comprises the national mainstay industries such as mechanical industry, auto industry, in its vital role of performance, also consumes a large amount of energy, especially electric energy.Resolving energy problem is the important leverage that keeps China's economy to grow continuously and fast, and in current resource, the high-strung situation of the energy, must improve enterprise energy utilization ratio to reduce energy resource consumption.Energy-conservation become enterprise current in the urgent need to, and order implementation is the key link that enterprise energy consumes, so enterprise will realize energy-conservation target, just need to obtain and to analyze in real time, comprehensively, exactly enterprise's each material in order implementation and, in the power consumption situation of each station, and carry out corresponding Energy Saving Control.

In order implementation, each material can be by being arranged in the electric energy measuring equipment on station, such as digital electric meter obtains in the power consumption data of each station.Traditional material is to adopt manual meter reading method to record the numerical value of digital electric meter at station power consumption data capture method.Specifically, before material enters station, the reading of digital electric meter on station of hand-kept on technical papers, after material leaves station, again record the reading of digital electric meter, this twice reading subtracted each other, just can obtain certain material in the power consumption value of certain station.Etc. each material recording on technical papers being collected in the power consumption data of each station after process finishing, do collective analysis and processing, find out the problem that order implementation power consumption exists and improve.

Adopt traditional-handwork meter reading method, mainly exist following several respects not enough: 1) record efficiency lowly and is easily made mistakes; 2) power consumption data of hand-kept shortage is ageing, and the power consumption being difficult to occurring is made a response extremely in time; 3) hand-kept power consumption data workload is huge, and the data volume that can gather is severely limited; 4) be unfavorable for reviewing of order implementation power consumption abnormal problem; 5) technical papers of papery with in material circulation easily damaged, the handwriting is blurred, affects carrying out of power consumption data analysis and processing.

For these deficiencies, the patent documentation that publication number is 102053608A discloses and has a kind ofly obtained, analyzing and processing feed back the method for various energy consumption datas in production run.But the method is carried out after a certain batch products machines the analyzing and processing of energy consumption data, therefore cannot in batch products process, find the abnormal of production equipment power consumption in time and process in time, thereby affecting energy-conservation effect; In addition, once it is abnormal that power consumption occurs, the abnormal equipment of power consumption can only be identified and locate to the method, can not locate the abnormal material of power consumption, production task numbering and O/No., thereby affect discovery and the recovery that order implementation energy consumption is abnormal.Generally speaking, lack at present a set of Real-time Obtaining order implementation material in the power consumption data of station, power consumption that order implementation is occurred is abnormal or depart from fast the method that judges, locates and recover.

Summary of the invention

For addressing the above problem, the obtaining and energy-saving control method of a kind of order implementation power consumption,

Obtaining and an energy-saving control method of order implementation power consumption, comprises the steps:

Step 1, obtains order, and obtains the numbering between each several part and corresponding relation in order implementation;

Step 2, reads and constantly obtains radio-frequency (RF) identification raw data in current RFID tag, and be converted to corresponding power consumption event, comprises power consumption value in power consumption event;

Step 3, according to the corresponding relation of step 1, utilizes step 2 gained power consumption event to be structured in and reads production task power consumption matrix constantly;

Step 4, obtains the power consumption value of each several part in order implementation according to production task power consumption matrix;

Step 5, judges whether to occur that according to the power consumption value of step 4 gained power consumption is abnormal: abnormal, to occurring that abnormal part carries out correspondence adjustment; Otherwise, enter step 6;

Step 6, judges whether order execution completes: do not complete, carry out next RFID tag constantly and read, return to step 2; Otherwise, finish order and carry out.

The present invention is cooperatively interacted and is obtained real-time and accurately the power consumption data of order implementation by electric energy measuring equipment and REID, at the station that has power consumption, only need to install a read write line and digital electric meter, so the hardware acquisition cost of enterprise is lower; Built the carrier of power consumption matrix as power consumption data storage, each material can obtain by inquiry power consumption matrix element value at the power consumption numerical value of each station; Order implementation power consumption information, comprises material power consumption value, station power consumption value, production task power consumption value, subprocess power consumption value and order implementation power consumption value, can obtain by summation operation.

In step 1, in order implementation, the corresponding relation of each several part is as follows:

The numbering of the numbering of an order to a plurality of subprocess that should order comprise;

The numbering of the numbering of each subprocess to a plurality of production tasks that should subprocess comprise;

The numbering of each production task is to the station numbering and the stock number that should production task comprise;

Each station numbering is corresponding with a digital electric meter numbering and a radio-frequency identification reader/writer numbering;

Each stock number is corresponding with a RFID tag numbering.

Subprocess refers to the process from lower stage material to upper stage material in product-based bom flow, and these subprocess are numbered.

Production task numbering is associated with stock number, and production task numbering can corresponding a plurality of stock numbers, and a stock number is only numbered corresponding with a production task; Production task numbering is associated with station numbering, and a production task numbering can be numbered by corresponding a plurality of stations, and a station numbering is only corresponding with a production task numbering; Digital electric meter numbering is associated with station numbering, and digital electric meter numbering only with the binding of a station numbering, a station numbering is also only bound a digital electric meter and is numbered; Radio-frequency identification reader/writer numbering is associated with station numbering, and radio-frequency identification reader/writer numbering only with the binding of a station numbering, a station numbering is also only bound a radio-frequency identification reader/writer and is numbered; RFID tag numbering is associated with stock number, and RFID tag numbering only with a stock number binding, a stock number is also only bound a RFID tag and is numbered.To being pasted with the material of RFID tag, need executable operations: after material machines on station, by the RFID tag on this material at the radio-frequency identification reader/writer place of this station brush once.

In step 2, in RFID tag, read the method for constantly obtaining corresponding radio-frequency (RF) identification raw data and be: when being arranged in radio-frequency identification reader/writer on station and responding to and read the RFID tag on material, obtain t _nconstantly read the radio-frequency (RF) identification raw data { o of event _x, r _y, t _n, radio-frequency (RF) identification raw data is radio-frequency identification reader/writer numbering r _y, RFID tag numbering o _xwith read time t _n.

In order implementation, when the radio-frequency identification reader/writer that is arranged in station is responded to and reads the RFID tag on any one material, read event, obtain t _nconstantly read the radio-frequency (RF) identification raw data { o of event _x, r _y, t _n, radio-frequency (RF) identification raw data is radio-frequency identification reader/writer numbering r _y, RFID tag numbering o _xwith read time t _n.

In step 2, RFID tag is read to the radio-frequency (RF) identification raw data of constantly obtaining, and to be converted to the mode of corresponding power consumption event as follows:

According to radio-frequency identification reader/writer numbering and the corresponding relation of station numbering and the corresponding relation of RFID tag numbering and stock number, radio-frequency (RF) identification raw data is converted to power consumption event, and each power consumption event comprises: stock number, station numbering, power consumption numerical value and time of origin; Wherein, in RFID tag, read material M constantly _kat station W _lpower consumption numerical value △ E _lkacquisition methods be:

Step 2-1, reads t constantly in current RFID tag _nread station W _lon digital electric meter numerical value S _k(t _n);

Step 2-2, sets m=n-1, inquires about the station numbering W that reads generation for the m time _l(t _m), judge and read the station numbering W that event occurs for the m time _l(t _m) number W with the station of reading event generation for the n time _l(t _n) whether identical: if different, time sequence number m is done to assignment: m=m-1, judges W again _l(t _m) and W _l(t _n) between relation, until W _l(t _m)=W _l(t _n); Work as W _l(t _m) equal first W _l(t _n) or during m=0, read t _mmoment station W _lon digital electric meter numerical value S _k(t _m);

Step 2-3, calculates at time interval [t _m, t _n] in, material M _kat station W _lpower consumption numerical value: △ E _lk=S _k(t _n)-S _k(t _m).

Step 3 is specific as follows:

Step 3-1, according to the corresponding relation of the station numbering of setting up in step 1 and stock number and production task numbering, determines station numbering W _lwith stock number M _kthe production task code T at place _a;

Step 3-2, according to power consumption event E _e(t _n) the stock number M that provides _kk value, station numbering W _ll value and power consumption numerical value △ E _lk, calculate accordingly:

If k=k1 and l=l1, so to t _n-1moment production task T _apower consumption matrix E (t _n-1) the capable l1 column element of k1 E ^{(k1, l1)}(t _n-1) carrying out assignment, formula is as follows:

E ^(k1,l1)(t _n)＝E ^(k1,l1)(t _n-1)+△E _lk

Wherein, E ^{(k1, l1)}(t _n) be t _nmoment production task T _apower consumption matrix E (t _n) the capable l1 column element of k1 value;

To t _n-1moment power consumption matrix E (t _n-1) in meet the element E of k ≠ k1 or l ≠ l1 ^{(k, l)}(t _n-1) according to following formula, carry out assignment:

E ^(k,l)(t _n)＝E ^(k,l)(t _n-1)

Wherein, E ^{(k, l)}(t _n) be t _nmoment production task T _apower consumption matrix E (t _n) the capable l column element of k value;

Step 3-3, according to step 3-2, to t _n-1moment power consumption matrix E (t _n-1) middle all elements assignment, gained matrix is t _nmoment production task T _apower consumption matrix.

Production task power consumption matrix is as the carrier of power consumption event data storage.By the computing to each element of production task power consumption matrix, obtain the power consumption value of corresponding order implementation each several part.

In step 4, according to production task power consumption matrix, obtain the power consumption value of each several part in order implementation, specific as follows:

Step 4-1, sues for peace to the value of power consumption matrix k row element, obtains production task T _ak material M _kpower consumption value, sum formula is:

${\mathrm{EM}}_k\left(t_n\right)=\underset{l=1}{\overset{L}{\mathrm{\Σ}}}{E}^{(k,l)}\left(t_n\right)$

Wherein, EM _k(t _n) for be carved into t when order is assigned _nconstantly, production task T _ak material M _kpower consumption value;

Step 4-2, sues for peace to the value of l column element in power consumption matrix, obtains production task T _al station W _lpower consumption value, sum formula is:

${\mathrm{EW}}_l\left(t_n\right)=\underset{k=1}{\overset{K}{\mathrm{\Σ}}}{E}^{(k,l)}\left(t_n\right)$

Wherein, EW _l(t _n) for be carved into t when order is assigned _nconstantly, production task T _al station W _lpower consumption value;

Step 4-3, sues for peace to the value of all elements in power consumption matrix, obtains production task T _apower consumption value, sum formula is:

${\mathrm{ET}}_a\left(t_n\right)=\underset{k=1}{\overset{K}{\mathrm{\Σ}}}\underset{l=1}{\overset{L}{\mathrm{\Σ}}}{E}^{(k,l)}\left(t_n\right)$

ET wherein _a(t _n) for be carved into t when order is assigned _nconstantly, production task T _apower consumption value;

Step 4-4, the corresponding relation according to production task numbering with subprocess numbering, determines production task code T _aaffiliated subprocess numbering P _c, the power consumption value of the production task that this subprocess is comprised is sued for peace, and obtains subprocess P _cpower consumption value, sum formula is:

${\mathrm{EP}}_c\left(t_n\right)=\underset{a=1}{\overset{A}{\mathrm{\Σ}}}{\mathrm{ET}}_a\left(t_n\right)$

Wherein A represents subprocess P _cthe production task number comprising, EP _c(t _n) for be carved into t when order is assigned _nconstantly, subprocess P _cpower consumption value;

Step 4-5, the corresponding relation according to subprocess numbering with O/No., determines subprocess numbering P _caffiliated O/No. D _r, the power consumption value of the subprocess that this order is comprised is sued for peace, and obtains order D _rpower consumption value, sum formula is:

${\mathrm{ED}}_r\left(t_n\right)=\underset{c=1}{\overset{C}{\mathrm{\Σ}}}E{P}_c\left(t_n\right)$

Wherein, C represents order D _rthe subprocess number comprising, ED _r(t _n) for be carved into t when order is assigned _nconstantly, order D _rpower consumption value.

In step 5, judge whether to occur that the abnormal mode of power consumption is as follows:

At t _nconstantly, each order, each subprocess, each production task, each material and each station are compared with the corresponding power consumption value upper limit: as surpassed the power consumption value upper limit, power consumption is abnormal, otherwise normal.

For generating early warning information, early warning information prompting power consumption value surpasses order, subprocess, production task, material or the station of threshold value, and abnormal level or the corresponding numbering feedback of part are sent to terminal presentation facility.

In step 6, judge that the method whether order complete is as follows: product corresponding to inquiry order is at t _nquantity performed constantly, if product quantity performed reaches order demand, order completes.

If order completes, process ends; Otherwise get back to step 2, sequence number n does assignment to the time, obtain next t constantly _n+1radio-frequency (RF) identification raw data, start next t constantly _n+1order power consumption calculate and control.

Accompanying drawing explanation

Fig. 1 is the method flow diagram of one embodiment of the invention;

Fig. 2 is the equipment configuration schematic diagram that realizes the current embodiment of the present invention.

Embodiment

Below in conjunction with drawings and Examples, the present invention is described further.

As shown in Figure 2, the equipment configuration the present invention relates to comprises digital electric meter, radio-frequency identification reader/writer, RFID tag, terminal presentation facility (such as display, electronic board), database server, switch and apps server.

Radio-frequency identification reader/writer is connected with database server (being computing machine) with RS-232 serial ports, needs to control frequency read/write by the radio-frequency (RF) identification raw data { o reading by radio-frequency identification reader/writer API simultaneously _x, r _y, t _nimport database server into and carry out data processing; Apps server is used for moving application program required for the present invention and with ICP/IP protocol and database server, carries out communication by switch; Database server needs installation data library software, such as Oracle, SQL server, mySQL, be used for storing order table, subprocess table, production task table, power consumption matrix table, digital electric meter table, power consumption event table, station table, material table etc., for apps server runs application, provide Data support; Meanwhile, apps server is connected with the digital electric meter that is arranged on station electric energy input entrance by RS-485/RS-232 serial ports, by reading of application program controlling ammeter numerical value; Terminal presentation facility, such as electronic board can receive the order implementation power consumption abnormal information that also display application routine processes obtains by digital visual interface DVI (Digital Visual Interface) by RS-232 interface and display.

In simple terms, the connected mode of equipment room is: the correct position that RFID tag is sticked on to material, the radio-frequency identification reader/writer of each station is connected with database server by RS-232 serial ports, database server is connected with apps server by switch, the digital electric meter of each station is connected with apps server by RS-485/RS-232 serial ports, finally, various terminal presentation facilities are connected to apps server according to interface shape separately.

As shown in Figure 1, the inventive method comprises the following steps:

Step 1, obtains order, and obtains the numbering between each several part and corresponding relation in order implementation.Concrete steps are as follows:

Step 1-1, determines the subprocess that order implementation comprises, and sets up the corresponding relation (binding relationship) of subprocess numbering and O/No..For example, in the current embodiment of the present invention, the 08:10:00 in morning on February 5th, 2014, this month the 8th order assigned and carried out in certain electric motor of automobile manufacturing enterprise, and O/No. is D ₈, order D ₈corresponding finished product (generator) is encoded to [DDW-018HI], and quantity is 20.According to the Bill of Material (BOM) of finished product [DDW-018HI], order D ₈the subprocess comprising has 5, and subprocess numbering is respectively P ₁, P ₂, P ₃, P ₄and P ₅.So O/No. D ₈corresponding five subprocess numbering P _c(c=1,2,3,4,5), binding relationship is (c=1,2,3,4,5); Five subprocess numbering P _c(c=1,2,3,4,5) only corresponding O/No. D ₈, binding relationship is (c=1,2,3,4,5).

Step 1-2, determines the production task that each subprocess comprises, and sets up the corresponding relation of production task numbering and subprocess numbering.In current embodiment, determine order D ₈each subprocess P _cthe production task that (c=1,2,3,4,5) comprise, and these production tasks are numbered.Wherein, the 2nd subprocess P ₂the production task comprising is T ₁, T ₂, T ₃and T ₄.Therefore a subprocess is numbered P ₂corresponding four production task code T _a(a=1,2,3,4), binding relationship is (a=1,2,3,4); Four production task code T _a(a=1,2,3,4) are corresponding subprocess numbering P only ₂, binding relationship is (a=1,2,3,4).

Step 1-3, determine the station that has power consumption and material that each production task comprises, set up the corresponding relation of station numbering and stock number and production task numbering, the corresponding relation of digital electric meter numbering and station numbering, the corresponding relation of radio-frequency identification reader/writer numbering and station numbering, and the corresponding relation of stock number and RFID tag numbering.The 10:15:32 in the morning on February 6th, 2014, production task T ₃start to carry out.Production task T ₃the stock number comprising is M ₁, M ₂, M ₃, M ₄and M ₅, production task T ₃the station quantity comprising is 6, but only has 4 stations to have power consumption, so only needs to use 5 RFID tag, 4 radio-frequency identification reader/writers and 4 digital electric meters, and is numbered.

By production task code T _awith stock number M _kbe associated, production task numbering can corresponding a plurality of stock numbers, and a stock number is only corresponding with a production task numbering; By production task code T _awith station numbering W _lbe associated, a production task numbering can be numbered by corresponding a plurality of stations, and a station numbering is only corresponding with a production task numbering; Digital electric meter is numbered to S _kwith station numbering W _lbe associated, and digital electric meter numbering only with the binding of a station numbering, a station numbering is also only bound a digital electric meter numbering; Radio-frequency identification reader/writer is numbered to r _ywith station numbering W _lbe associated, and radio-frequency identification reader/writer numbering only with the binding of a station numbering, a station numbering is also only bound a radio-frequency identification reader/writer numbering; RFID tag is numbered to o _xwith stock number M _kbe associated, and RFID tag numbering only with a stock number binding, a stock number is also only bound a RFID tag numbering.To being pasted with the material of RFID tag, need executable operations: after material machines on station, by the RFID tag on this material at the radio-frequency identification reader/writer place of this station brush once.

Because the data of incidence relation are stored in lane database with the form of tables of data, in database, the pass of order table and subprocess table is the relation of one-to-many, the pass of subprocess table and production task table is the relation of one-to-many, the pass of production task table and material table is the relation of one-to-many, the pass of production task table and station table is the relation of one-to-many, and in database, the pass of station table and digital electric meter table is man-to-man relation, the pass of station table and read write line table is man-to-man relation, and the relation of material table and label list is also man-to-man relation.

Step 2, reads and constantly obtains radio-frequency (RF) identification raw data in current RFID tag, and be converted to corresponding power consumption event, comprises power consumption value in power consumption event.

To the time, sequence number n carries out assignment: n=n+1.In order implementation, when the radio-frequency identification reader/writer that is arranged in station is responded to and reads the RFID tag on any one material, read event, obtain t _nconstantly read the radio-frequency (RF) identification raw data { o of event _x, r _y, t _n, radio-frequency (RF) identification raw data is radio-frequency identification reader/writer numbering r _y, RFID tag numbering o _xwith read time t _n.For example,, at t ₁₁₅(t constantly ₁₁₅value be " 2014-02-0610:34:26 "), production task T ₃in be numbered r ₃read write line sensed and be numbered o ₃label, the radio-frequency (RF) identification raw data obtaining is so { o ₃, r ₃, t ₁₁₅.

The radio-frequency (RF) identification raw data obtaining is transferred to database server and processed by RS232 interface, by t _nradio-frequency (RF) identification raw data { o constantly _x, r _y, t _nbe converted into a power consumption event E _e(t _n).According to read write line numbering r _yone-to-one relationship with station numbering Wl rFID tag numbering o _xwith stock number M _kone-to-one relationship and increase on this basis a material M _kat station W _lon power consumption numerical attribute △ E _lk, by t _nradio-frequency (RF) identification raw data is constantly converted to t _npower consumption event E constantly _e(t _n), the power consumption event data obtaining is respectively stock number M _k, station numbering W _l, time of origin t _nwith material M _kat station W _lpower consumption numerical value △ E _lk, after transforming, be formula (1):

E _e(t _n)＝{M _k,W _l,△E _lk,t _n} (1)；

Be power consumption event={ stock number, station numbering, power consumption numerical value, time of origin }.For example, known read write line numbering r ₃with station numbering W ₃binding, tag number o ₃with stock number M ₃binding, the raw data { o mentioning in step 2 so ₃, r ₃, t ₁₁₅can be converted to power consumption event E _e(t ₁₁₅)={ M ₃, W ₃, △ E ₃₃, t ₁₁₅.Wherein, material M ₃at station W ₃power consumption numerical value △ E ₃₃acquisition methods be: first read t ₁₁₅moment station W ₃the numerical value of upper digital electric meter: S ₃(t ₁₁₅)=94.015 (kWh); By search, station W ₃the moment that a upper power consumption event occurs is t ₁₀₆and the reading of this moment digital electric meter is: S ₃(t ₁₀₆)=93.964 (kWh); Calculating is at time interval [t ₁₀₆, t ₁₁₅] in, material M ₃at station W ₃power consumption: △ E ₃₃=S ₃(t ₁₁₅)-S ₃(t ₁₀₆)=94.015-93.964=0.051 (kWh).To calculate power consumption numerical value assignment to power consumption event respective attributes △ E _lkupper, the power consumption event after assignment is: E _e(t ₁₁₅)={ M ₃, W ₃, 0.051, t ₁₁₅.Thereby know from station W ₃during the generation of a upper power consumption event, be carved into t ₁₁₅constantly, material M ₃at station W ₃power consumption value be 0.051 (kWh).

Step 3, according to the corresponding relation of step 1, utilizes step 2 gained power consumption event to be structured in and reads production task power consumption matrix constantly;

First build and initialization production task power consumption matrix, as the carrier of power consumption event data storage.In current embodiment, production task T ₃the material quantity that has power consumption comprising is 5 (K=5), and the station quantity that has power consumption is 4 (L=4).Production task T so ₃power consumption matrix E (t) be 5 row 4 column matrix, the row of matrix represents stock number M _k, matrix column represents station numbering W _l, the capable l column element of k E in matrix ^(kl)(t) (1≤k≤5,1≤l≤4) represent to be carved into when order is assigned t constantly till, k material is at the power consumption numerical value of l station.

Next, to production task T ₃power consumption matrix E (t) in all elements E ^(kl)(t) (1≤k≤5,1≤l≤4) carry out assignment, and assignment is 0, and make assignment complete the moment for t _nand time sequence number n=0, has so far completed production task T ₃the initialization of power consumption matrix E (t).

$E\left(t_0\right)={\left[\begin{array}{cccc}0& 0& 0& 0\\ 0& 0& 0& 0\\ 0& 0& 0& 0\\ 0& 0& 0& 0\\ 0& 0& 0& 0\end{array}\right]}_{(5\×4)}.$

Then,, according to station numbering and stock number, determine the production task code T at place _a, power consumption event data is loaded into t _n-1moment production task T _apower consumption matrix, the matrix after substitution completes is t _nmoment production task T _apower consumption matrix.The power consumption event that processing obtains is E _e(t ₁₁₅)={ M ₃, W ₃, 0.051, t ₁₁₅, the production task at place is numbered T ₃, and known t ₁₁₄moment production task T ₃power consumption matrix be:

$E\left(t_{114}\right)={\left[\begin{array}{cccc}0.059& 0.043& 0.050& 0.064\\ 0.058& 0.042& 0.052& 0\\ 0.060& 0.043& 0& 0\\ 0.059& 0.044& 0& 0\\ 0.061& 0& 0& 0\end{array}\right]}_{(5\×4)}.$

By t ₁₁₅power consumption event { M constantly ₃, W ₃, 0.051, t ₁₁₅substitution is to t ₁₁₄moment production task T ₃the step of power consumption matrix as follows:

Step 3-1, according to power consumption event E _e(t _n) the stock number M that provides _kk value, station numbering W _ll value and power consumption numerical value △ E _lkif k=k1 and l=l1, so to t _n-1moment production task T _apower consumption matrix E (t _n-1) the capable l1 column element of k1 E ^{(k1, l1)}(t _n-1) according to formula (2), make following assignment:

E ^(k1,l1)(t _n)＝E ^(k1,l1)(t _n-1)+△E _lk (2)

E wherein ^{(k1, l1)}(t _n) be t _nmoment production task T _apower consumption matrix E (t _n) the capable l1 column element of k1 value.

In this example, according to power consumption event E _e(t _n) the stock number M that provides ₃with station numbering W ₃, obtain k=3 and l=3, so to t ₁₁₄moment production task T ₃power consumption matrix E (t ₁₁₄) the 3rd row the 3rd column element E ^(3,3)(t ₁₁₄) make following assignment:

E ^(3,3)(t ₁₁₅)＝E ^(3,3)(t ₁₁₄)+△E ₃₃＝0+0.051＝0.051(kWh) (3)，

E wherein ^(3,3)(t ₁₁₅) be t ₁₁₅moment production task T ₃power consumption matrix E (t ₁₁₅) the 3rd row the 3rd column element value.

Step 3-2, to t _n-1moment production task T _apower consumption matrix E (t _n-1) in except element E ^{(k1, l1)}(t _n-1) the i.e. capable l column element of the k E of outer other element ^{(k, l)}(t _n-1) (k ≠ k1 or l ≠ l1) make following assignment according to formula (4):

E ^(k,l)(t _n)＝E ^(k,l)(t _n-1) (4)，

E wherein ^{(k, l)}(t _n) be t _nmoment production task T _apower consumption matrix E (t _n) the capable l row of k (k ≠ k1 or l ≠ l1) element value.

In this example, need be to t ₁₁₄moment production task T ₃power consumption matrix E (t ₁₁₄) in except element E ^(3,3)(t ₁₁₄) the i.e. capable l column element of the k E of outer other element ^{(k, l)}(t ₁₁₄) (k ≠ 3 or l ≠ 3 are 3 when k is different with l) make following assignment:

E ^(k,l)(t ₁₁₅)＝E ^(k,l)(t ₁₁₄) (5)，

E wherein ^{(k, l)}(t ₁₁₅) be t ₁₁₅moment production task T ₃power consumption matrix E (t ₁₁₅) the capable l row of k (k ≠ k1 or l ≠ l1) element value.

Step 3-3, to t _n-1moment production task T _apower consumption matrix E (t _n-1) in the matrix of all elements after according to step 3-2 assignment be t _nmoment production task T _apower consumption matrix.In this example, to t ₁₁₄moment production task T ₃power consumption matrix E (t ₁₁₄) in the matrix of all elements after according to step 3-2 assignment be t ₁₁₅moment production task T ₃power consumption matrix, assigned result is:

$E\left(t_{115}\right)={\left[\begin{array}{cccc}0.059& 0.043& 0.050& 0.064\\ 0.058& 0.042& 0.052& 0\\ 0.060& 0.043& 0.051& 0\\ 0.059& 0.044& 0& 0\\ 0.061& 0& 0& 0\end{array}\right]}_{(5\×4)}.$

By above step, completed power consumption matrix to t ₁₁₅the storage of the power consumption event data constantly generating, obtains and gets ready for order implementation power consumption information.

Step 4, obtains the power consumption value of each several part in order implementation according to production task power consumption matrix.

The t that step 3 is obtained _nmoment production task T _apower consumption matrix in element value do summation operation, just can obtain t _nmoment production task T _apower consumption information, comprise the power consumption value of the power consumption value of material, the power consumption value of station and production task, its concrete steps are as follows:

Step 4-1, to t _nmoment production task T _athe value of power consumption matrix k row element according to formula (6), do summation operation, obtain production task T _ak material M _kpower consumption value:

${\mathrm{EM}}_k\left(t_n\right)=\underset{l=1}{\overset{L}{\mathrm{\Σ}}}{E}^{(k,l)}\left(t_n\right)---\left(6\right);$

EM wherein _k(t _n) for be carved into t when order is assigned _nconstantly, production task T _ak material M _kpower consumption value.

For example, t step 3-3 being obtained ₁₁₅moment production task T ₃power consumption matrix E (t ₁₁₅) value of the 1st row element does summation operation, obtains the 1st material M of this production task ₁power consumption value:

${\mathrm{EM}}_1\left(t_{115}\right)=\underset{l=1}{\overset{4}{\mathrm{\Σ}}}{E}^{(1,l)}\left(t_{13}\right)=0.059+0.043+0.050+0.064=0.216\left(\mathrm{kWh}\right)---\left(7\right);$

EM wherein ₁(t ₁₁₅) for be carved into t when order is assigned ₁₁₅constantly, production task T ₃the 1st material M ₁power consumption value.

Step 4-2, to t _nmoment production task T _apower consumption matrix in the value of l column element according to formula (8), do summation operation, obtain production task T _al station W _lpower consumption value:

${\mathrm{EW}}_l\left(t_n\right)=\underset{k=1}{\overset{K}{\mathrm{\Σ}}}{E}^{(k,l)}\left(t_n\right)---\left(8\right);$

EW wherein _l(t _n) be to be carved into t when order is assigned _nconstantly, production task T _al station W _lpower consumption value.

For example, t step 3-3 being obtained ₁₁₅power consumption matrix E (t constantly ₁₁₅) value of the 1st column element does summation operation, must the 1st station W of this production task ₁power consumption value:

${\mathrm{EW}}_1\left(t_{115}\right)=\underset{k=1}{\overset{5}{\mathrm{\Σ}}}{E}^{(k,1)}\left(t_{115}\right)=0.059+0.058+0.060+0.059+0.061=0.297\left(\mathrm{kWh}\right)---\left(9\right);$

EW wherein ₁(t ₁₁₅) for be carved into t when order is assigned ₁₁₅constantly, production task T ₃the 1st station W ₁power consumption value.

Step 4-3, to t _nmoment production task T _apower consumption matrix in the value of all elements according to formula (10), do summation operation, obtain production task T _apower consumption value:

${\mathrm{ET}}_a\left(t_n\right)=\underset{k=1}{\overset{K}{\mathrm{\Σ}}}\underset{l=1}{\overset{L}{\mathrm{\Σ}}}{E}^{(k,l)}\left(t_n\right)---\left(10\right);$

ET wherein _a(t _n) for be carved into t when order is assigned _nconstantly, production task T _apower consumption value.

For example, t step 3-3 being obtained ₁₁₅power consumption matrix E (t constantly ₁₁₅) value of all elements does summation operation, obtains production task T ₃power consumption value:

${\mathrm{ET}}_3\left(t_{115}\right)=\underset{k=1}{\overset{5}{\mathrm{\Σ}}}\underset{l=1}{\overset{4}{\mathrm{\Σ}}}{E}^{(k,l)}\left(t_{115}\right)=0.686\left(\mathrm{kWh}\right)---\left(11\right);$

ET wherein ₃(t ₁₁₅) for be carved into t when order is assigned ₁₁₅constantly, production task T ₃power consumption value.

Step 4-4, the binding relationship of the production task of setting up according to step 1-2 numbering and subprocess numbering, determines production task code T _aaffiliated subprocess numbering P _c, the power consumption value of the production task that this subprocess is comprised is done summation operation according to formula (12), obtains subprocess P _cpower consumption value:

${\mathrm{EP}}_c\left(t_n\right)=\underset{a=1}{\overset{A}{\mathrm{\Σ}}}{\mathrm{ET}}_a\left(t_n\right)---\left(12\right);$

Wherein A represents subprocess P _cthe production task number comprising, EP _c(t _n) for be carved into t when order is assigned _nconstantly, subprocess P _cpower consumption value.

In the present embodiment, according to the production task code T of step 2 gained ₃affiliated subprocess is numbered P ₂, subprocess P ₂the production task comprising is T ₁, T ₂, T ₃and T ₄.From order D ₈while assigning, be carved into t ₁₁₅constantly, according to step 4-3 production task T ₃power consumption value ET ₃(t ₁₁₅) be 0.686 (kWh), and known ET ₁(t ₁₁₅)=1.032 (kWh), ET ₂(t ₁₁₅)=0.865 (kWh), ET ₄(t ₁₁₅)=0 (kWh), to ET ₁, ET ₂, ET ₃and ET ₄do summation operation, obtain subprocess P ₂(P _c=P ₂) power consumption value:

${\mathrm{EP}}_2\left(t_{115}\right)=\underset{a=1}{\overset{4}{\mathrm{\Σ}}}{\mathrm{ET}}_a\left(t_{115}\right)=1.032+0.865+0.686+0=2.583\left(\mathrm{kWh}\right)---\left(13\right)$

EP wherein ₂(t ₁₁₅) for be carved into t when order is assigned ₁₁₅constantly, subprocess P ₂power consumption value.

Step 4-5, the binding relationship of the subprocess of setting up according to step 1-1 numbering and O/No., determines subprocess numbering P _caffiliated O/No. D _r, the power consumption value of the subprocess that this order is comprised is done summation operation according to formula (14), obtains order D _rpower consumption value:

${\mathrm{ED}}_r\left(t_n\right)=\underset{c=1}{\overset{C}{\mathrm{\Σ}}}{\mathrm{EP}}_c\left(t_n\right)---\left(14\right);$

Wherein C represents order D _rthe subprocess number comprising, ED _r(t _n) for be carved into t when order is assigned _nconstantly, order D _rpower consumption value.

In this example, according to step 1-1, subprocess P ₂affiliated O/No. is D ₈, order D ₈the subprocess comprising is P ₁, P ₂, P ₃, P ₄and P ₅.From order D ₈while assigning, be carved into t ₁₁₅constantly, according to step 4-4, subprocess P ₂power consumption value EP ₂(t ₁₁₅) be 2.583 (kWh), and known EP ₁(t ₁₁₅)=4.260 (kWh), EP ₃(t ₁₁₅)=1.516 (kWh), EP ₄(t ₁₁₅)=0.493 (kWh) and EP ₅(t ₁₁₅)=0 (kWh), to EP ₁, EP ₂, EP ₃, EP ₄and EP ₅do summation operation, obtain order D ₈power consumption value:

${\mathrm{ED}}_8\left(t_{115}\right)=\underset{c=1}{\overset{5}{\mathrm{\Σ}}}{\mathrm{EP}}_c\left(t_{115}\right)=4.260+2.583+1.516+0.493+0=8.852\left(\mathrm{kWh}\right)---\left(15\right)$

ED wherein ₈(t ₁₁₅) for be carved into t when order is assigned ₁₁₅constantly, order D ₈power consumption value.

Step 5, judges whether to occur that according to the power consumption value of step 4 gained power consumption is abnormal: abnormal, to occurring that abnormal part carries out correspondence adjustment; Otherwise, enter step 6.

By t _nmoment production task T _ain the power consumption value EM of each material _k(t _n) with the power consumption upper limit of similar material compare, wherein 1<k<K: if meet relational expression show production task T _athe power consumption of each material is normal, does not generate early warning information; Otherwise generation early warning information, early warning information prompting power consumption value surpasses the abnormal material of threshold value, and by the stock number M of abnormal material _kpower consumption value EM with material _k(t _n) feedback be sent to terminal presentation facility, such as display, electronic board.

The material power consumption upper limit of the current embodiment of the present invention set basis enterprise historical data set.In this example, according to enterprise's historical data, material M ₁the power consumption upper limit be 0.285 (kWh), from the result of calculation of step 4-1, to t ₁₁₅constantly, production task T ₃the 1st material M ₁power consumption value EM ₁(t ₁₁₅) be 0.216 (kWh), meet formula show the 1st material M ₁power consumption normal at present, do not generate early warning information.

By t _nmoment production task T _ain the power consumption value EW of each station _l(t _n) with the power consumption upper limit of the similar material of similar station processing equal number compare, wherein 1<l<L: if meet relational expression the power consumption that shows each station is normal, does not generate early warning information; Otherwise generation early warning information, early warning information prompting power consumption value surpasses the abnormal station of threshold value, and by the station numbering W of abnormal station _lwith power consumption value EW _l(t _n) feedback be sent to terminal presentation facility, such as display, electronic board.

The station power consumption upper limit of the current embodiment of the present invention set basis enterprise historical data set.In this example, according to enterprise's historical data, the similar material that setting quantity is 5 is in the power consumption upper limit of the 1st station W1 be 0.361 (kWh), from the result of calculation of step 4-2, to t ₁₁₅constantly, production task T ₃the 1st station W ₁power consumption value EW ₁(t ₁₁₅) be 0.297 (kWh), meet formula show the 1st station W ₁power consumption normal at present, do not generate early warning information.

By t _nmoment production task T _apower consumption value ET _a(t _n) with the power consumption upper limit of carrying out similar production task compare: if meet relational expression production task T _apower consumption normal, do not generate early warning information; Otherwise generation early warning information, the power consumption value of early warning information prompting production task surpasses threshold value, and by the code T of abnormal production task _awith power consumption value T _a(t _n) feedback be sent to terminal presentation facility, such as display, electronic board.

The production task power consumption upper limit of the current embodiment of the present invention set basis enterprise historical data set.In this example, according to enterprise's historical data, set the power consumption upper limit of the similar production task that is in batches 5 be 1.427 (kWh), from the result of calculation of step 4-3, to t ₁₁₅constantly, production task T ₃power consumption value ET ₃(t ₁₁₅) be 0.686 (kWh), meet formula: show production task T ₃power consumption normal at present, do not generate early warning information.

By t _nmoment subprocess P _cpower consumption value EP _c(t _n) with the power consumption upper limit of carrying out similar subprocess compare: if meet relational expression subprocess P _cpower consumption normal, do not generate early warning information; Otherwise generation early warning information, the power consumption value of early warning information prompting subprocess surpasses threshold value, and by the numbering P of abnormal subprocess _cwith power consumption value EP _c(t _n) feedback be sent to terminal presentation facility, such as display, electronic board.

The power consumption upper limit of subprocess of the present invention set basis enterprise historical data set.In this example, according to enterprise's historical data, the power consumption upper limit of the similar subprocess that setting demand is 20 be 5.708 (kWh), from the result of calculation of step 4-4, to t ₁₁₅constantly, subprocess P ₂power consumption value EP ₂(t ₁₁₅) be 2.583 (kWh), meet formula show subprocess P ₂power consumption normal at present, do not generate early warning information.

By t _norder power consumption value ED constantly _r(t _n) with the power consumption upper limit of carrying out like product order compare: if meet relational expression order D _rpower consumption normal, do not generate early warning information; Otherwise generation early warning information, the power consumption value of early warning information prompting order surpasses threshold value, and by abnormal O/No. D _rwith power consumption value ED _r(t _n) feedback be sent to terminal presentation facility, such as display, electronic board.The power consumption upper limit of the order of the current embodiment of the present invention set basis enterprise historical data set.In this routine current embodiment, according to enterprise's historical data, the power consumption upper limit of the like product order that setting demand is 20 be 30.173 (kWh), from the result of calculation of step 4-5, to t ₁₁₅constantly, order D ₈power consumption value ED ₈(t ₁₁₅) be 8.852 (kWh), meet formula show order D ₈power consumption normal at present, do not generate early warning information.

Early warning information and be presented at the abnormal station W on terminal device _l, abnormal material M _k, abnormal production task T _a, abnormal subprocess P _cor abnormal order D _r, by adjust the abnormal station of power consumption production equipment, change the abnormal material of power consumption, rearrange production task or adjust production lot, make order power consumption recover normal.For example, when the production equipment of the abnormal station of power consumption is adjusted, can check abnormal station W _lthe machined parameters (speed of mainshaft, tool type, chipping allowance, etc.) of equipment whether wrong, if wrong, reset, make power consumption recover normal.To t ₁₁₅constantly, each station W _l, material M _k, production task T ₃, subprocess T ₂with order D ₈power consumption all normal, therefore do not need order D ₈relevant production equipment, material or production task are adjusted.

Step 6, judges whether order execution completes: do not complete, carry out next RFID tag constantly and read, return to step 2; Otherwise, finish order and carry out.

The order that judgement is assigned is at t _nconstantly whether complete, judge that the method whether order complete is as follows: inquire about product that order is corresponding at t _nquantity performed constantly, if product quantity performed reaches order demand, order completes.

If order completes, process ends; Otherwise sequence number n is assignment n=n+1 to the time, and get back to step 2, obtain next t constantly _n+1(in current embodiment, should be t ₁₁₆) radio-frequency (RF) identification raw data, start next t constantly _n+1order power consumption calculate and control, detailed process is the same, repeats no more.In the present embodiment, by inquiry order D ₈corresponding final products are at t ₁₁₅quantity performed constantly, completed product quantity is 0, and order demand is 20, so order do not complete, and need go to step 2, obtains t ₁₁₆(t constantly ₁₁₆value be " 2014-02-0610:35:30 ") radio-frequency (RF) identification raw data, and to t ₁₁₆order power consumption constantly calculates and controls.

The present invention contributes to understand all sidedly in real time order implementation power consumption information; power consumption that order implementation is occurred is abnormal or depart from fast and judge, locate and recover; effectively improve the power consumption monitoring level of Discrete Manufacturing Enterprise, thereby guarantee that enterprise electrical energy efficiently utilizes.

Claims (9)

1. obtaining and an energy-saving control method of order implementation power consumption, is characterized in that, comprises the steps:

Step 1, obtains order, and obtains the numbering between each several part and corresponding relation in order implementation;

Step 2, reads and constantly obtains radio-frequency (RF) identification raw data in current RFID tag, and be converted to corresponding power consumption event, comprises power consumption value in power consumption event;

Step 3, according to the corresponding relation of step 1, utilizes step 2 gained power consumption event to be structured in and reads production task power consumption matrix constantly;

Step 4, obtains the power consumption value of each several part in order implementation according to production task power consumption matrix;

Step 5, judges whether to occur that according to the power consumption value of step 4 gained power consumption is abnormal: abnormal, to occurring that abnormal part carries out correspondence adjustment; Otherwise, enter step 6;

Step 6, judges whether order execution completes: do not complete, carry out next RFID tag constantly and read, return to step 2; Otherwise, finish order and carry out.

2. obtaining and energy-saving control method of order implementation power consumption as claimed in claim 1, is characterized in that, in step 1, in order implementation, the corresponding relation of each several part is as follows:

The numbering of the numbering of an order to a plurality of subprocess that should order comprise;

The numbering of the numbering of each subprocess to a plurality of production tasks that should subprocess comprise;

The numbering of each production task is to the station numbering and the stock number that should production task comprise;

Each station numbering is corresponding with a digital electric meter numbering and a radio-frequency identification reader/writer numbering;

Each stock number is corresponding with a RFID tag numbering.

3. obtaining and energy-saving control method of order implementation power consumption as claimed in claim 1, it is characterized in that, in step 2, in RFID tag, reading the method for constantly obtaining corresponding radio-frequency (RF) identification raw data is: when being arranged in radio-frequency identification reader/writer on station and responding to and read the RFID tag on material, obtain t _nconstantly read the radio-frequency (RF) identification raw data { o of event _x, r _y, t _n, radio-frequency (RF) identification raw data is radio-frequency identification reader/writer numbering r _y, RFID tag numbering o _xwith read time t _n.

4. obtaining and energy-saving control method of order implementation power consumption as claimed in claim 3, is characterized in that, in step 2, RFID tag is read to the radio-frequency (RF) identification raw data of constantly obtaining, and to be converted to the mode of corresponding power consumption event as follows:

According to radio-frequency identification reader/writer numbering and the corresponding relation of station numbering and the corresponding relation of RFID tag numbering and stock number, radio-frequency (RF) identification raw data is converted to power consumption event, and each power consumption event comprises: stock number, station numbering, power consumption numerical value and time of origin; Wherein, in RFID tag, read material M constantly _kat station W _lpower consumption numerical value △ E _lkacquisition methods be:

Step 2-1, reads t constantly in current RFID tag _nread station W _lon digital electric meter numerical value S _k(t _n);

Step 2-2, sets m=n-1, inquires about the station numbering W that reads generation for the m time _l(t _m), judge and read the station numbering W that event occurs for the m time _l(t _m) number W with the station of reading event generation for the n time _l(t _n) whether identical: if different, time sequence number m is done to assignment: m=m-1, judges W again _l(t _m) and W _l(t _n) between relation, until W _l(t _m)=W _l(t _n); Work as W _l(t _m) equal first W _l(t _n) or during m=0, read t _mmoment station W _lon digital electric meter numerical value S _k(t _m);

Step 2-3, calculates at time interval [t _m, t _n] in, material M _kat station W _lpower consumption numerical value: △ E _lk=S _k(t _n)-S _k(t _m).

5. obtaining and energy-saving control method of order implementation power consumption as claimed in claim 1, is characterized in that, in step 3, for setting production task T _a, the material quantity that includes power consumption is K, and to have the station quantity of power consumption be L, production task T _aproduction task power consumption matrix E (t) be expressed as follows:

$E\left(t\right)=\left[\begin{array}{ccccc}{E}^{\left(11\right)}\left(t\right)& ...& E^{\left(1l\right)}\left(t\right)& ...& E^{\left(1L\right)}\left(t\right)\\ .& .& .& .& .\\ .& .& .& .& .\\ .& .& .& .& .\\ E^{\left(k1\right)}\left(t\right)& ...& E^{\left(\mathrm{kl}\right)}\left(t\right)& ...& E^{\left(\mathrm{kL}\right)}\left(t\right)\\ .& .& .& .& .\\ .& .& .& .& .\\ .& .& .& .& .\\ E^{\left(K1\right)}\left(t\right)& ...& E^{\left(\mathrm{Kl}\right)}\left(t\right)& ...& E^{\left(\mathrm{KL}\right)}\left(t\right)\end{array}\right]$

The capable l column element of k E in matrix ^(kl)(t) represent to be carved into when order is assigned t constantly till, k material is at the power consumption numerical value of l station; At t=t ₀constantly, all elements E in production task power consumption matrix E (t) ^(kl)(t) be 0.

6. obtaining and energy-saving control method of order implementation power consumption as claimed in claim 5, is characterized in that, step 3 is specific as follows:

Step 3-1, according to the corresponding relation of the station numbering of setting up in step 1 and stock number and production task numbering, determines station numbering W _lwith stock number M _kthe production task code T at place _a;

Step 3-2, according to power consumption event E _e(t _n) the stock number M that provides _kk value, station numbering W _ll value and power consumption numerical value △ E _lk, calculate accordingly:

If k=k1 and l=l1, so to t _n-1moment production task T _apower consumption matrix E (t _n-1) the capable l1 column element of k1 E ^{(k1, l1)}(t _n-1) carrying out assignment, formula is as follows:

E ^(k1,l1)(t _n)＝E ^(k1,l1)(t _n-1)+△E _lk

Wherein, E ^{(k1, l1)}(t _n) be t _nmoment production task T _apower consumption matrix E (t _n) the capable l1 column element of k1 value;

To t _n-1moment power consumption matrix E (t _n-1) in meet the element E of k ≠ k1 or l ≠ l1 ^{(k, l)}(t _n-1) according to following formula, carry out assignment:

E ^(k,l)(t _n)＝E ^(k,l)(t _n-1)

Wherein, E ^{(k, l)}(t _n) be t _nmoment production task T _apower consumption matrix E (t _n) the capable l column element of k value;

Step 3-3, according to step 3-2, to t _n-1moment power consumption matrix E (t _n-1) middle all elements assignment, gained matrix is t _nmoment production task T _apower consumption matrix.

7. obtaining and energy-saving control method of order implementation power consumption as claimed in claim 6, is characterized in that, in step 4, obtains the power consumption value of each several part in order implementation according to production task power consumption matrix, specific as follows:

Step 4-1, sues for peace to the value of power consumption matrix k row element, obtains production task T _ak material M _kpower consumption value, sum formula is:

${\mathrm{EM}}_k\left(t_n\right)=\underset{l=1}{\overset{L}{\mathrm{\&Sigma;}}}{E}^{(k,l)}\left(t_n\right)$

Wherein, EM _k(t _n) for be carved into t when order is assigned _nconstantly, production task T _ak material M _kpower consumption value;

Step 4-2, sues for peace to the value of l column element in power consumption matrix, obtains production task T _al station W _lpower consumption value, sum formula is:

${\mathrm{EW}}_l\left(t_n\right)=\underset{k=1}{\overset{K}{\mathrm{\&Sigma;}}}{E}^{(k,l)}\left(t_n\right)$

Wherein, EW _l(t _n) for be carved into t when order is assigned _nconstantly, production task T _al station W _lpower consumption value;

Step 4-3, sues for peace to the value of all elements in power consumption matrix, obtains production task T _apower consumption value, sum formula is:

${\mathrm{ET}}_a\left(t_n\right)=\underset{k=1}{\overset{K}{\mathrm{\&Sigma;}}}\underset{l=1}{\overset{L}{\mathrm{\&Sigma;}}}{E}^{(k,l)}\left(t_n\right)$

ET wherein _a(t _n) for be carved into t when order is assigned _nconstantly, production task T _apower consumption value;

Step 4-4, the corresponding relation according to production task numbering with subprocess numbering, determines production task code T _aaffiliated subprocess numbering P _c, the power consumption value of the production task that this subprocess is comprised is sued for peace, and obtains subprocess P _cpower consumption value, sum formula is:

${\mathrm{EP}}_c\left(t_n\right)=\underset{a=1}{\overset{A}{\mathrm{\&Sigma;}}}{\mathrm{ET}}_a\left(t_n\right)$

Wherein A represents subprocess P _cthe production task number comprising, EP _c(t _n) for be carved into t when order is assigned _nconstantly, subprocess P _cpower consumption value;

Step 4-5, the corresponding relation according to subprocess numbering with O/No., determines subprocess numbering P _caffiliated O/No. D _r, the power consumption value of the subprocess that this order is comprised is sued for peace, and obtains order D _rpower consumption value, sum formula is:

${\mathrm{ED}}_r\left(t_n\right)=\underset{c=1}{\overset{C}{\mathrm{\&Sigma;}}}E{P}_c\left(t_n\right)$

Wherein, C represents order D _rthe subprocess number comprising, ED _r(t _n) for be carved into t when order is assigned _nconstantly, order D _rpower consumption value.

8. obtaining and energy-saving control method of order implementation power consumption as claimed in claim 1, is characterized in that, in step 5, judges whether to occur that the abnormal mode of power consumption is as follows:

At t _nconstantly, each order, each subprocess, each production task, each material and each station are compared with the corresponding power consumption value upper limit: as surpassed the power consumption value upper limit, power consumption is abnormal, otherwise normal.

9. obtaining and energy-saving control method of order implementation power consumption as claimed in claim 1, is characterized in that, in step 6, judges that the method whether order complete is as follows: product corresponding to inquiry order is at t _nquantity performed constantly, if product quantity performed reaches order demand, order completes.