CN107357169A - A kind of Automated condtrol model for shielding interference signal - Google Patents
A kind of Automated condtrol model for shielding interference signal Download PDFInfo
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- CN107357169A CN107357169A CN201710554886.8A CN201710554886A CN107357169A CN 107357169 A CN107357169 A CN 107357169A CN 201710554886 A CN201710554886 A CN 201710554886A CN 107357169 A CN107357169 A CN 107357169A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B13/00—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
- G05B13/02—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
- G05B13/04—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators
- G05B13/042—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators in which a parameter or coefficient is automatically adjusted to optimise the performance
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Abstract
The present invention relates to a kind of Automated condtrol model for shielding interference signal, including Temperature pre-treatment block, alarming block, comparison block, connection delay 5S timers, the Temperature pre-treatment block is connected with alarming block, connection back off timer successively, Temperature pre-treatment block is connected with comparison block, Temperature pre-treatment block pre-processes to temperature signal, temperature signal numerical value is obtained, pretreated temperature signal numerical value is contrasted, then performed according to different program-controlled models by comparison block with setting value.The present invention ensures signal accurately and reliably, ensures identification while interlocking is timely and effective, sign mutation caused by shielding interference；Through live practical application, shielding rate reaches 100%；The present invention is a kind of transplantable model, can be successfully applied in the robot control system(RCS) of all kinds, producer, model；The present invention can be established on former control system platform, " 0 " input.
Description
Technical field
The present invention relates to metallurgical automation control technology field, and in particular to a kind of Automated condtrol for shielding interference signal
Model.
Background technology
In the Automated condtrol of equipment, temperature is an important detection parameters.In actually controlling, loop design is only examined
Consider general filter preprocessing, do not account for influence of the extraneous factors such as vibration, electromagnetic interference to signal, be to cause temperature
Abnormal interlock device band carries the main reason for parking.Especially at putting equipment in service initial stage, because site environment is severe, electromagnetism is done
Disturb, vibrate the extraneous factor such as big, cause temperature the anomalies such as spike or square wave occur, frequently cause equipment belt to carry and stop
Car, equipment was both damaged or had leveraged production efficiency.In conventional technical scheme, temperature signal only does simple filtering,
" burr " of electric signal itself is handled, and it is helpless to the spike or square wave of extraneous interference burst.
The content of the invention
To overcome the deficiency, it is an object of the invention to provide it is a kind of shield interference signal Automated condtrol model,
Effectively solve temperature anomaly measurement using program development model and cause mistakenly stop, reduce production suspension induced losses.
The technical solution adopted for the present invention to solve the technical problems is：A kind of Automated condtrol mould for shielding interference signal
Type, including Temperature pre-treatment block, alarming block, comparison block, connect delay 5S timers, the Temperature pre-treatment block successively with alarm
Block, connection back off timer are connected, and Temperature pre-treatment block is connected with comparison block, and Temperature pre-treatment block pre-processes to temperature signal,
Temperature signal numerical value is obtained, comparison block is contrasted pretreated temperature signal numerical value with setting value, then according to difference
Program-controlled model performed, program perform see below：
Specifically, described program Controlling model is as follows：When RTD breaks, temperature signal numerical value is more than parking value (i.e.
Setting value), variable TE-HHM and TE-D2 simultaneously it is electric, T2 is obtained electric immediately, and 1 second is delayed just due to connecting delay 5S timers T1
Can trigger TE-HHM obtain it is electric, therefore T2 prior to TE-HHM obtain it is electric before disconnect, TRIP-ZJ just will not be set, and program effectively avoids
Trouble of shutdown under RTD broken string situation.
Specifically, described program Controlling model is as follows：If temperature signal numerical fluctuations value surpasses only parking value all the time, no
It can cause to stop, if temperature signal numerical fluctuations value exceedes parking value (i.e. setting value) or runs maximum, program-controlled model
It is as follows：
(1) if temperature signal numerical fluctuations value exceedes parking value (i.e. setting value) or runs maximum, temperature signal numerical value
Peak hour, then variable TE-HH, TE-HHM must not be electric less than 1 second, and so as to which TRIP-ZJ must not be electric, parking event will not occur
Barrier, Temperature numerical wave pattern are shown in 11.
(2) if temperature signal numerical fluctuations value exceedes parking value (i.e. setting value) or runs maximum, temperature signal numerical value
Peak hour is more than 1 second, square wave occurs, variable TE-HHM and TE-D2 simultaneously it is electric, T2 is obtained electric immediately, fixed due to connecting delay
When device T1 be delayed 1 second can just trigger TE-HHM obtain it is electric, T2 prior to TE-HHM obtain it is electric before disconnect, TRIP-ZJ just will not be set, when
When numerical value returns to normal value, TE-HHM dead electricity, T2 be delayed 1 second after dead electricity, so TRIP-ZJ can not still obtain it is electric, so not
Trouble of shutdown can be caused.
The invention has the advantages that：The present invention ensures signal accurately and reliably, while ensureing that interlocking is timely and effective
Sign mutation caused by identification, shielding interference；Through live practical application, shielding rate reaches 100%；The present invention is a kind of portable
Model, can be successfully applied in the robot control system(RCS) of all kinds, producer, model；The present invention can establish to be put down in former control system
On platform, " 0 " input.
Brief description of the drawings
Fig. 1 is temperature wave cardon when a RTD breaks in the prior art.
Fig. 2 is Temperature numerical wave pattern caused by external disturbance in the prior art, situation a.
Fig. 3 is Temperature numerical wave pattern caused by external disturbance in the prior art, situation b.
Fig. 4 is Temperature numerical wave pattern caused by external disturbance in the prior art, situation c.
Fig. 5 is Temperature numerical wave pattern caused by external disturbance in the prior art, situation d.
Fig. 6 is that temperature is slowly smoothly increased beyond the temperature of parking value caused by machinery or technological reason in the prior art
Wave pattern.
Fig. 7 is the flow chart of the present invention.
Fig. 8 is the program principle figure of the present invention.
Fig. 9 is the numerical fluctuations figure that the present invention removes improper temperature signal situation one in the prior art.
Figure 10 be the present invention remove occur situation a, situation c improper temperature signal situation numerical fluctuations figure.
Figure 11 be the present invention remove occur situation b, situation d improper temperature signal situation numerical fluctuations figure.
Embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.
In the prior art, improper temperature signal includes following several situations：
Improper temperature signal situation one：RTD broken string, displays temperature signal numerical value run maximum, as shown in Figure 1；
Improper temperature signal situation two：Temperature signal numerical fluctuations caused by external disturbance, displays temperature signal numerical value
It is irregular, there is spike or square wave at random, as shown in Fig. 2,3,4,5；
Improper temperature signal situation three：Temperature signal numerical value slowly smoothly rises super caused by machinery or technological reason
Parking value is crossed, as shown in Figure 6.
To solve the problems, such as improper temperature signal in the prior art, the present invention devises oneself of a kind of shielding interference signal
Dynamicization Controlling model, its main purpose are exactly to remove improper temperature signal situation one, 2 two kinds of improper temperature signal situation
Situation, the situation in improper temperature signal situation three need normal chain parking, including Temperature pre-treatment block, alarming block, ratio
Compared with block, delay 5S timers are connected, the Temperature pre-treatment block is connected with alarming block, connection back off timer successively, and temperature is pre-
Process block is connected with comparison block, and Temperature pre-treatment block pre-processes to temperature signal, obtains temperature signal numerical value, comparison block will be located in advance
Temperature signal numerical value after reason is contrasted with setting value, is then performed according to different program-controlled models, program is held
Row is seen below：
First, for improper temperature signal situation one, program-controlled model is as follows：When RTD breaks, variable TE-
HHM and TE-D2 simultaneously it is electric, T2 is obtained electric immediately, and TE-HHM can just be triggered and obtain by being delayed 1 second due to connecting delay 5S timers T1
Electricity, therefore T2 obtains electric preceding disconnection prior to TE-HHM, TRIP-ZJ just will not be set, and program effectively prevent RTD broken string feelings
Trouble of shutdown under shape, Temperature numerical wave pattern are shown in Figure 10.
2nd, for spectral artifacts situation two, if temperature signal numerical fluctuations value surpasses only parking value all the time, will not make
Into parking, if temperature signal numerical fluctuations value exceedes parking value or runs maximum, program-controlled model is as follows：
(1) if there is situation a, situation c, temperature signal numerical value peak hour is less than 1 second, then variable TE-HH, TE-
HHM must not be electric, so as to which TRIP-ZJ must not be electric, trouble of shutdown will not occur, Temperature numerical wave pattern is shown in 10.
(2) it is more than 1 second if there is situation b, situation d, temperature signal numerical value peak hour, square wave, variable TE- occurs
HHM and TE-D2 simultaneously it is electric, T2 is obtained electric immediately, due to connect back off timer T1 be delayed can just trigger within 1 second TE-HHM obtain it is electric,
T2 obtains electric preceding disconnection prior to TE-HHM, and TRIP-ZJ just will not be set, when temperature signal numerical value returns to normal value, TE-
HHM dead electricity, dead electricity after T2 is delayed 1 second, so TRIP-ZJ can not still obtain it is electric, so trouble of shutdown will not be caused, Temperature numerical ripple
Cardon is shown in 11.
Combined specific illustrative embodiment describes the present invention above, but the implementation not limited to this of the present invention.
In the spirit and scope of the present invention, those skilled in the art can carry out various modifications and variations, and these modifications and variations will fall
Within the protection domain for entering claim restriction.
The present invention is not limited to the embodiment, and anyone should learn that the structure made under the enlightenment of the present invention becomes
Change, the technical schemes that are same or similar to the present invention, each fall within protection scope of the present invention.
The present invention be not described in detail technology, shape, construction part be known technology.
Claims (4)
- A kind of 1. Automated condtrol model for shielding interference signal, it is characterised in that：Including Temperature pre-treatment block, alarming block, ratio Compared with block, delay 5S timers are connected, the Temperature pre-treatment block is connected with alarming block, connection back off timer successively, and temperature is pre- Process block is connected with comparison block, Temperature pre-treatment block to temperature signal pre-process, comparison block by pretreated temperature signal with Setting value is contrasted, and is then performed according to different program-controlled models.
- A kind of 2. Automated condtrol model for shielding interference signal according to claim 1, it is characterised in that：Described program Controlling model is as follows：When RTD breaks, temperature signal numerical value is more than parking value, and variable TE-HHM and TE-D2 simultaneously must be electric, T2 is obtained electric immediately, and TE-HHM can just be triggered and obtain electric by being delayed 1 second due to connecting delay 5S timers T1, therefore T2 obtains prior to TE-HHM Disconnected before electric, TRIP-ZJ just will not be set, and program effectively prevent the trouble of shutdown under RTD broken string situation.
- A kind of 3. Automated condtrol model for shielding interference signal according to claim 1, it is characterised in that：Described program Controlling model is as follows：If temperature signal numerical fluctuations value exceedes parking value or run maximum, temperature signal numerical value peak hour Less than 1 second, then variable TE-HH, TE-HHM must not be electric, and so as to which TRIP-ZJ must not be electric, trouble of shutdown will not occur.
- A kind of 4. Automated condtrol model for shielding interference signal according to claim 1, it is characterised in that：Described program Controlling model is as follows：If temperature signal numerical fluctuations value exceedes parking value or run maximum, temperature signal numerical value peak hour More than 1 second, there is square wave, variable TE-HHM and TE-D2 simultaneously must be electric, and T2 is obtained electric immediately, prolongs due to connecting back off timer T1 When can just trigger within 1 second TE-HHM obtain it is electric, T2 prior to TE-HHM obtain it is electric before disconnect, TRIP-ZJ just will not be set, and work as temperature signal When numerical value returns to normal value, TE-HHM dead electricity, T2 be delayed 1 second after dead electricity, so TRIP-ZJ can not still obtain it is electric, so not Trouble of shutdown can be caused.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710554886.8A CN107357169B (en) | 2017-07-10 | 2017-07-10 | Automatic control model for shielding interference signals |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710554886.8A CN107357169B (en) | 2017-07-10 | 2017-07-10 | Automatic control model for shielding interference signals |
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| CN107357169A true CN107357169A (en) | 2017-11-17 |
| CN107357169B CN107357169B (en) | 2020-07-21 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203224730U (en) * | 2013-04-09 | 2013-10-02 | 国家电网公司 | Temperature measurement signal saltation processing system for thermal power generating unit |
| CN204668921U (en) * | 2015-04-27 | 2015-09-23 | 宝钢不锈钢有限公司 | Temperature interference screening arrangement |
| CN204938775U (en) * | 2015-09-21 | 2016-01-06 | 邯钢集团邯宝钢铁有限公司 | A kind of overhead traveling crane electric beam temperature disturbance rejection delay alarming device |
| CN106292581A (en) * | 2016-08-12 | 2017-01-04 | 浙江智海化工设备工程有限公司 | A kind of DCS configuration method preventing temperature survey value mutation |
-
2017
- 2017-07-10 CN CN201710554886.8A patent/CN107357169B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203224730U (en) * | 2013-04-09 | 2013-10-02 | 国家电网公司 | Temperature measurement signal saltation processing system for thermal power generating unit |
| CN204668921U (en) * | 2015-04-27 | 2015-09-23 | 宝钢不锈钢有限公司 | Temperature interference screening arrangement |
| CN204938775U (en) * | 2015-09-21 | 2016-01-06 | 邯钢集团邯宝钢铁有限公司 | A kind of overhead traveling crane electric beam temperature disturbance rejection delay alarming device |
| CN106292581A (en) * | 2016-08-12 | 2017-01-04 | 浙江智海化工设备工程有限公司 | A kind of DCS configuration method preventing temperature survey value mutation |
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| CN107357169B (en) | 2020-07-21 |
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Address after: 276800 Shandong Province, Rizhao City Arashiyama District Shugang Avenue Applicant after: SHANDONG IRON AND STEEL GROUP RIZHAO CO., LTD. Address before: 276800 Ji'nan Road, Donggang District, Shandong, No. 396, No. Applicant before: SHANDONG IRON AND STEEL GROUP RIZHAO CO., LTD. |
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