CN106227072B - A kind of Intelligence Regulator and its adjusting method - Google Patents
A kind of Intelligence Regulator and its adjusting method Download PDFInfo
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- CN106227072B CN106227072B CN201610774242.5A CN201610774242A CN106227072B CN 106227072 B CN106227072 B CN 106227072B CN 201610774242 A CN201610774242 A CN 201610774242A CN 106227072 B CN106227072 B CN 106227072B
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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
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
Abstract
The invention discloses a kind of adjusting methods of Intelligence Regulator, pass through the collection value PV to this calculating collection value PV and previous calculating0, this calculate collection value PV be compared with control targe value SP, and calculate this calculating collection value PV and control targe value SP between real-time offsets value EkAccording to above-mentioned result of calculation, corresponding excitation is applied to executing agency, without the fixed control parameter about controlled industrial signal in calculating process, avoid replace different executing agency or operating mode change or change control targe value when, the case where needing manually to debug again because of the change of control parameter, i.e., it is live to be suitable for changeable Industry Control without manual intervention for it, manual labor amount is greatly reduced, and according to real-time offsets value EkValue, determines the control output quantity P of executing agencyk, quantitative control is carried out to the output of executing agency, degree of regulation is high.
Description
Technical field
The present invention relates to the automation control area of industrial process, a kind of Intelligence Regulator and its adjusting are particularly related to
Method.
Background technology
Industrial regulator is mainly used for realizing the adjusting control of industrial signal such as temperature, pressure, liquid level, flow etc., so that
Controlled industry signal constant is scheduled in fixed desired value.Existing industrial regulator, usually need to be by regulating and controlling personnel previously according to controlled
The relevant executing agency of industrial signal and the multiple pilot scale study of field working conditions obtain under the executing agency operating mode about controlled
The control parameter of industrial signal only need to be to controlled industrial signal such as electric thermo-couple temperature in the adjustment process of later industrial regulator
Signal is acquired, and collection value and control parameter are substituted into and calculated, and obtains corresponding output signal, which is conveyed
To executing agency, you can realize that the industrial physical signal such as dut temperature is constant in fixed desired value.This kind of industrial regulator
Adjusting method, because need to manually determine control parameter, therefore it is good to require regulation and control personnel to have executing agency and operating mode
Solution and enough commissioning experience, it is high to artificial requirement threshold, and replace different executing agency or operating mode change or
When changing control targe value, adjusting control parameter need to be reset, adjusts complexity, and it is inclined that control easily occurs in adjustment process
Difference then easily further results in the generation of industrial accident in the case where tolerance is not excessive for operating mode.
Invention content
The purpose of the present invention one is to provide a kind of adjusting method of Intelligence Regulator.
A kind of adjusting method of Intelligence Regulator, includes the following steps：
1）Executing agency is debugged before starting, it is execution machine to make the lower output of executing agency's normal work or dwell time Q, i.e. Q
The output period of structure corresponds to the time used in controlled device variation unit quantity；
2）Determine control targe value SP, the effective deviation m of controlled device and upper and lower effectively control boundary value（SP+
M, SP- m）, industrial signal is corresponded to controlled device with collection period t and is acquired in real time；
3）While to industrial signal acquisition, the collection value before and after calculating cycle twice is carried out with calculating cycle T real-time
Compare, wherein T=n* collection period t, n is a positive integer, and when a calculating cycle, this calculates collection value PV and previous calculating
Collection value PV0While being compared, also this calculating collection value PV is compared with control targe value SP, and calculate this
Calculate the real-time offsets value E between collection value PV and control targe value SPk；
4）According to the collection value PV of this calculating collection value PV and previous calculating0Between, this calculate collection value PV with control
Comparison result between desired value SP and real-time offsets value EkValue applies corresponding excitation to executing agency, makes executing agency in defeated
Go out in period S to have corresponding control output quantity Pk, wherein output period S and calculating cycle T and the lower execution machine of normal work
Output period Q when structure corresponding controlled device variation unit quantity is equal；
Work as PV-PV0>=0 and PV≤SP, Ek>=m, the control output quantity P of executing agencykTo be exported S seconds in output period S,
So cycle waits for that controlled device waveform rises；
Work as PV-PV0>=0 and PV≤SP, Ek=m-A ＜ m, the control output quantity P of executing agencykTo be exported in output period S
（m-A）* S/m seconds, disconnect A*S/m second, so recycle, wait for controlled device waveform rise, wherein A be integer, 0 ＜ A ＜ m；
Work as PV-PV0>=0 and PV>SP, the control output quantity P of executing agencykTo be disconnected S seconds in output period S, so follow
Ring declines after the rising of controlled device waveform；
Work as PV-PV0＜ 0 and PV>SP、Ek>=m, the control output quantity P of executing agencykTo disconnect S seconds in output period S, such as
This cycle waits for that controlled device waveform declines；
Work as PV-PV0＜ 0 and PV>SP、Ek=m-B ＜ m, the control output quantity P of executing agencykTo export B* in output period S
S/m seconds, disconnection（m-B）* it S/m seconds, so recycles, waits for that controlled device waveform declines, wherein B is integer, 0 ＜ B ＜ m；
Work as PV-PV0＜ 0 and PV≤SP, the control output quantity P of executing agencykTo be exported S seconds in output period S, so follow
Ring rises after the decline of controlled device waveform.
Further, PV-PV0>=0 and PV≤SP, Ek>=m, executing agency is in control output quantity PkIt is defeated in output period S
After going out a S seconds output periods,（PV-PV0）More than controlled device unit quantity is waited for, so cycle waits for that controlled device waveform rises
Afterwards, work as PV-PV0>=0 and PV≤SP, Ek=m-A ＜ m, the control output quantity P of executing agencykTo be exported in output period S（m-A）*
S/m-C seconds, disconnect A*S/m+C second, so recycle, wait for controlled device waveform rise, wherein A, C be integer, 0 ＜ A ＜ m, 0≤C
＜ m, offset-C with（PV-PV0）It is directly proportional.The adjustment process of industrial signal such as temperature, PV-PV0In >=0 temperature-rise period, when working as
The temperature value of preceding acquisition in the lower section of effective control range, executing agency when standard-sized sheet output in individually output period S,（PV-
PV0）More than controlled device unit quantity is waited for, i.e., executing agency's heating rate changes（Become larger）, when temperature value rises to effective control
After range, by increasing offset-C, change control output quantity Pk, after balancing the single output period, the variation of temperature value is realized
Fine tuning avoids changing because of heating rate, and temperature dramatically changes, and is unable to control in effective control range.
Further, PV-PV0＜ 0 and PV>SP、Ek>=m, executing agency is in control output quantity PkTo break in output period S
After an output period for opening S seconds,（PV0-PV）More than controlled device unit quantity is waited for, so cycle waits for that controlled device waveform declines
Afterwards, work as PV-PV0＜ 0 and PV>SP、Ek=m-B ＜ m, the control output quantity P of executing agencykTo export B*S/m+ in output period S
C1Second disconnects（m-B）*S/m- C1Second, wherein B, C1For integer, 0 ＜ B ＜ m, 0≤C ＜ m, offset C1With（PV0-PV）Cheng Zheng
Than.The adjustment process of industrial signal such as temperature, PV-PV0In 0 temperature-fall periods of ＜, when the temperature value currently acquired is in effective control
The top of range, executing agency in individually output period S in entirely break output when,（PV0-PV）More than-unit quantity, i.e. executing agency
Rate of temperature fall changes（Become larger）, after temperature value drops to effective control range, by increasing offset C1, change control output
Measure Pk, after balancing the single output period, fine tuning is realized in the variation of temperature value, avoids changing because of heating rate, the big amplitude variation of temperature
It is dynamic, and be unable to control in effective control range.
The purpose of the present invention two is to provide a kind of Intelligence Regulator.
A kind of Intelligence Regulator to realize the adjusting method of work intelligent regulator of the present invention, including is sequentially connected
Filter, signal picker, data amplifier, A/D converter and controller, button mould is also respectively connected in the controller
Block, sequence controller, display module, memory and output module, the sequence controller respectively with signal picker and data
Amplifier connects, and the output module connect with actuating mechanism controls, when work, filter and the industrial signal that need to be adjusted
Corresponding sensor connection, filter are filtered the industrial signal that sensor obtains；Signal picker receives timing control
The control signal of device transmission opens corresponding acquisition channel, the filtered industrial signal of acquisition；Data amplifier receives timing control
The control signal of device transmission opens corresponding amplification channel, is amplified to the industrial signal of acquisition；After A/D converter will amplify
Industrial signal be converted into digital signal；The corresponding type signal of the industrial signal of key-press module input and control targe value；Control
Device reads the corresponding type signal of industrial signal that key-press module inputs and control targe value, reception A/D converter are transformed
Collection value, send the corresponding type signal of industrial signal, control targe value and collection value to display module, to control targe value and
Collection value carries out from calculating, sends control instruction to sequence controller and output module and deposit reading data to memory；Display
The corresponding type signal of the industrial signal of module display, control targe value and collection value；Data during memory stored adjustment；
Sequence controller receives the control instruction that control controller is sent, and sends relevant control and instruct to signal picker and data and put
Big device；Output module receives the control instruction that control controller is sent, and sends associated control signal to executing agency.
Further, sequence controller is connect with A/D converter.For different industrial signals such as temperature, pressure, liquid
Position, flow etc., sequence controller send different control to A/D converter, A/D converter are made to open different ALT-CH alternate channels,
Different work signals, which can be achieved, has different conversion accuracies.
The adjusting method of Intelligence Regulator of the present invention acquires industrial signal such as temperature signal in real time, according to
This calculates the collection value PV of collection value PV and previous calculating0Between, this calculate collection value PV and control targe value SP between ratio
Compared with as a result, the output of adjustment actuating mechanism is avoided without the fixed control parameter about controlled industrial signal in calculating process
Replacement different executing agency or operating mode change or change control targe value when, needed because of the change of control parameter artificial
Again the case where debugging, i.e., it is to be suitable for changeable Industry Control scene without manual intervention, greatly reduces hand labor
Amount, and according to real-time offsets value EkValue, determines the control output quantity P of executing agencyk, quantitative is carried out to the output of executing agency
System, degree of regulation are high.
Description of the drawings
Fig. 1 is a kind of flow chart of embodiment of adjusting method of Intelligence Regulator of the present invention；
Fig. 2 is the illustrative view of functional configuration of Intelligence Regulator of the present invention.
Specific implementation mode
The specific implementation mode of Intelligence Regulator of the present invention and its adjusting method is made below in conjunction with the accompanying drawings detailed
Explanation：
The adjusting method of Intelligence Regulator of the present invention, includes the following steps：
1）Executing agency is debugged before starting, it is execution machine to make the lower output of executing agency's normal work or dwell time Q, i.e. Q
The output period of structure corresponds to the time used in controlled device variation unit quantity；
2）Determine control targe value SP, the effective deviation m of controlled device and upper and lower effectively control boundary value（SP+
M, SP- m）, industrial signal is corresponded to controlled device with collection period t and is acquired in real time；
3）While to industrial signal acquisition, the collection value before and after calculating cycle twice is carried out with calculating cycle T real-time
Compare, wherein T=n* collection period t, n is a positive integer, and when a calculating cycle, this calculates collection value PV and previous calculating
Collection value PV0While being compared, also this calculating collection value PV is compared with control targe value SP, and calculate this
Calculate the real-time offsets value E between collection value PV and control targe value SPk；
4）According to the collection value PV of this calculating collection value PV and previous calculating0Between, this calculate collection value PV with control
Comparison result between desired value SP and real-time offsets value EkValue applies corresponding excitation to executing agency, makes executing agency in defeated
Go out in period S to have corresponding control output quantity Pk, wherein output period S and calculating cycle T and the lower execution machine of normal work
Output period Q when structure corresponding controlled device variation unit quantity is equal；
Work as PV-PV0>=0 and PV≤SP, Ek>=m, the control output quantity P of executing agencykTo be exported S seconds in output period S,
So cycle waits for that controlled device waveform rises；
Work as PV-PV0>=0 and PV≤SP, Ek=m-A ＜ m, the control output quantity P of executing agencykTo be exported in output period S
（m-A）* S/m seconds, disconnect A*S/m second, so recycle, wait for controlled device waveform rise, wherein A be integer, 0 ＜ A ＜ m；
Work as PV-PV0>=0 and PV>SP, the control output quantity P of executing agencykTo be disconnected S seconds in output period S, so follow
Ring declines after the rising of controlled device waveform；
Work as PV-PV0＜ 0 and PV>SP、Ek>=m, the control output quantity P of executing agencykTo disconnect S seconds in output period S, such as
This cycle waits for that controlled device waveform declines；
Work as PV-PV0＜ 0 and PV>SP、Ek=m-B ＜ m, the control output quantity P of executing agencykTo export B* in output period S
S/m seconds, disconnection（m-B）* it S/m seconds, so recycles, waits for that controlled device waveform declines, wherein B is integer, 0 ＜ B ＜ m；
Work as PV-PV0＜ 0 and PV≤SP, the control output quantity P of executing agencykTo be exported S seconds in output period S, so follow
Ring rises after the decline of controlled device waveform.
PV-PV0>=0 and PV≤SP, Ek>=m, executing agency is in control output quantity PkTo export the one of S seconds in output period S
After a output period,（PV-PV0）More than controlled device unit quantity is waited for, so cycle works as PV- after the rising of controlled device waveform
PV0>=0 and PV≤SP, Ek=m-A ＜ m, the control output quantity P of executing agencykTo be exported in output period S（m-A）* S/m-C seconds,
It disconnects A*S/m+C seconds, so recycles, wait for that controlled device waveform rises, wherein A, C are integer, 0 ＜ A ＜ m, 0≤C ＜ m, compensation
Value-C with（PV-PV0）It is directly proportional.
PV-PV0＜ 0 and PV>SP、Ek>=m, executing agency is in control output quantity PkTo disconnect the one of S seconds in output period S
After a output period,（PV0-PV）More than controlled device unit quantity is waited for, so cycle works as PV- after the decline of controlled device waveform
PV0＜ 0 and PV>SP、Ek=m-B ＜ m, the control output quantity P of executing agencykTo export B*S/m+C in output period S1Second disconnects
（m-B）*S/m- C1Second, wherein B, C1For integer, 0 ＜ B ＜ m, 0≤C ＜ m, offset C1With（PV0-PV）It is directly proportional.
The adjusting method of Intelligence Regulator of the present invention, when being used for the adjusting of temperature, if effectively deviation m=8 DEG C,
Collection period t is 1s, positive integer n 8, corresponding temperature change the lower output of 1 DEG CShi executing agencies normal work or dwell time Q,
Calculating cycle T and output period S is 8s, then adjustment process is specifically as shown in Figure 1：
Work as PV-PV0>=0 and PV≤SP, Ek>=8 DEG C, the control output quantity P of executing agencykTo be exported in output period 8s
8s is so recycled, and waits for that temperature output waveform rises；
Work as PV-PV0>=0, PV≤SP, if at this point, Ek=7 DEG C, the control output quantity P of executing agencykTo export period 8s
Interior output 7s, 1s is disconnected；If Ek=6 DEG C, the control output quantity P of executing agencykFor output 6s, disconnection 2s in output period 8s；
If Ek=5 DEG C, the control output quantity P of executing agencykFor output 5s, disconnection 3s in output period 8s；If Ek=4 DEG C, execute machine
The control output quantity P of structurekFor output 4s, disconnection 4s in output period 8s；If Ek=3 DEG C, the control output quantity P of executing agencyk
For output 3s, disconnection 5s in output period 8s；If Ek=2 DEG C, the control output quantity P of executing agencykIt is defeated in output period 8s
Go out 2s, disconnect 6s；If Ek=1 DEG C, the control output quantity P of executing agencykTo export 1s in output period 8s, disconnecting 7s, so
Cycle waits for that temperature output waveform rises；
Work as PV-PV0>=0 and PV>SP, the control output quantity P of executing agencykTo be disconnected 8 seconds in output period 8s, so follow
Ring declines after the rising of temperature output waveform；
Work as PV-PV0＜ 0 and PV>SP、Ek>=8, the control output quantity P of executing agencykTo be disconnected 8 seconds in output period 8s,
So cycle waits for that temperature output waveform declines；
Work as PV-PV0＜ 0, PV>SP, if at this point, Ek=7 DEG C, the control output quantity P of executing agencykFor in output period 8s
It exports 1s, disconnect 7s；If Ek=6 DEG C, the control output quantity P of executing agencykFor output 2s, disconnection 6s in output period 8s；Such as
If Ek=5 DEG C, the control output quantity P of executing agencykFor output 3s, disconnection 5s in output period 8s；If Ek=4 DEG C, executing agency
Control output quantity PkFor output 4s, disconnection 4s in output period 8s；If Ek=3 DEG C, the control output quantity P of executing agencykFor
It exports output 5s in period 8s, disconnect 3s；If Ek=2 DEG C, the control output quantity P of executing agencykTo be exported in output period 8s
6s, 2s is disconnected；If Ek=1 DEG C, the control output quantity P of executing agencykFor output 7s, disconnection 1s in output period 8s, so follow
Ring waits for that temperature output waveform declines；
Work as PV-PV0＜ 0 and PV≤SP, the control output quantity P of executing agencykTo export 8s in output period 8s, so follow
Ring rises after the decline of temperature output waveform.
In above-mentioned temperature adjustment process, PV-PV0>=0 and PV≤SP, Ek>=8 DEG C, executing agency is in control output quantity PkFor
It exports in period 8s after an output period of output 8s seconds, PV-PV0=2℃>1 DEG C, so cycle waits on controlled device waveform
After rising, work as PV-PV0>=0, PV≤SP, at this point, offset-C is set as -1s, if i.e. Ek=7 DEG C, the control output quantity of executing agency
PkFor output 6s, disconnection 2s in output period 8s；If Ek=6 DEG C, the control output quantity P of executing agencykFor in output period 8s
It exports 5s, disconnect 3s；If Ek=5 DEG C, the control output quantity P of executing agencykFor output 4s, disconnection 4s in output period 8s；Such as
If Ek=4 DEG C, the control output quantity P of executing agencykFor output 3s, disconnection 5s in output period 8s；If Ek=3 DEG C, executing agency
Control output quantity PkFor output 2s, disconnection 6s in output period 8s；If Ek=2 DEG C, the control output quantity P of executing agencykFor
It exports output 1s in period 8s, disconnect 7s；If Ek=1 DEG C, the control output quantity P of executing agencykTo be disconnected in output period 8s
8s.The adjustment process of temperature, PV-PV0In >=0 temperature-rise period, when the temperature value currently acquired is in the lower section of effective control range,
Executing agency is when standard-sized sheet output in individually output period 8s, PV-PV0=2℃>1 DEG C, i.e. executing agency's heating rate changes（Become
Greatly）, after temperature value rises to effective control range, by increasing offset-C, change control output quantity Pk, balance single defeated
After going out the period, fine tuning is realized in the variation of temperature value, avoids changing because of heating rate, and temperature dramatically changes, and is unable to control in having
It imitates in control range.
In above-mentioned temperature adjustment process, PV-PV0>=0 and PV≤SP, Ek>=8 DEG C, executing agency is in control output quantity PkFor
It exports in period 8s after an output period of output 8s seconds, PV0-PV=2℃>1 DEG C, so cycle waits on controlled device waveform
After rising, work as PV-PV0>=0, PV≤SP, at this point, offset C1It is set as 1s, if i.e. Ek=7 DEG C, the control output quantity of executing agency
PkFor output 8s, disconnection 0s in output period 8s；If Ek=6 DEG C, the control output quantity P of executing agencykFor in output period 8s
It exports 7s, disconnect 1s；If Ek=5 DEG C, the control output quantity P of executing agencykFor output 6s, disconnection 2s in output period 8s；Such as
If Ek=4 DEG C, the control output quantity P of executing agencykFor output 5s, disconnection 3s in output period 8s；If Ek=3 DEG C, executing agency
Control output quantity PkFor output 4s, disconnection 4s in output period 8s；If Ek=2 DEG C, the control output quantity P of executing agencykFor
It exports output 3s in period 8s, disconnect 5s；If Ek=1 DEG C, the control output quantity P of executing agencykTo be disconnected in output period 2s
6s.The adjustment process of temperature, PV-PV0In 0 temperature-fall periods of ＜, when the temperature value currently acquired is in the top of effective control range,
Executing agency is when disconnected output entirely in individually output period S, PV0-PV=2℃>1 DEG C, i.e. executing agency's rate of temperature fall changes（Become
Greatly）, after temperature value drops to effective control range, by increasing offset C1, change control output quantity Pk, balance single defeated
After going out the period, fine tuning is realized in the variation of temperature value, avoids changing because of heating rate, and temperature dramatically changes, and is unable to control in having
It imitates in control range.
The adjusting method of Intelligence Regulator of the present invention acquires industrial signal such as temperature signal in real time, according to
This calculates the collection value PV of collection value PV and previous calculating0Between, this calculate collection value PV and control targe value SP between ratio
Compared with as a result, the output of adjustment actuating mechanism is avoided without the fixed control parameter about controlled industrial signal in calculating process
Replacement different executing agency or operating mode change or change control targe value when, needed because of the change of control parameter artificial
Again the case where debugging, i.e., it is to be suitable for changeable Industry Control scene without manual intervention, greatly reduces hand labor
Amount, and according to real-time offsets value EkValue, determines the control output quantity P of executing agencyk, quantitative is carried out to the output of executing agency
System, degree of regulation are high.
The present invention also provides a kind of Intelligence Regulators.
As shown in Fig. 2, a kind of Intelligence Regulator, to realize the adjusting method of work intelligent regulator of the present invention, packet
Sequentially connected filter 2, signal picker 3, data amplifier 4, A/D converter 5 and controller 6 are included, the controller 6 is also
It is connected separately with key-press module 7, sequence controller 8, display module 9, memory 10 and output module 11, the sequence controller
8 connect with signal picker 3 and data amplifier 4 respectively, the output module 11 and the control connection of executing agency 12, work
When, the sensor 1 corresponding with the industrial signal that need to be adjusted of filter 2 connects, the industry that filter 2 obtains sensor 1
Signal is filtered；Signal picker 3 receives the control signal of the transmission of sequence controller 8, opens corresponding acquisition channel, acquisition filter
Industrial signal after wave；Data amplifier 4 receives the control signal of the transmission of sequence controller 8, opens corresponding amplification channel, to adopting
The industrial signal of collection is amplified；Amplified industrial signal is converted into digital signal by A/D converter 5；Key-press module 7 inputs
The corresponding type signal of industrial signal and control targe value；Controller 6 reads the corresponding class of industrial signal that key-press module 7 inputs
Type signal and control targe value receive 5 transformed collection value of A/D converter, send the corresponding type signal of industrial signal, control
Desired value and collection value processed carry out from calculating to display module, to control targe value and collection value, send control instruction to sequential
It controller 8 and output module 11 and deposits and reads data to memory；Display module 9 show the corresponding type signal of industrial signal,
Control targe value and collection value；Data during 10 stored adjustment of memory；Sequence controller 8 receives control controller 6 and sends out
The control instruction sent, and send relevant control and instruct to signal picker 3 and data amplifier；Output module 11 receives control control
The control instruction that device 6 processed is sent, and associated control signal is sent to executing agency 12.
The sequence controller 8 is connect with A/D converter 5.For different industrial signals such as temperature, pressure, liquid level, stream
Amount etc., sequence controller 8 sends different control to A/D converter 5, and A/D converter 5 is made to open different ALT-CH alternate channels, can
Realize that different work signals have different conversion accuracies.
Intelligence Regulator of the present invention, key-press module 7 input the type signal of industrial signal to controller 6, controller 6
Corresponding control is sent to sequence controller 8, sequence controller 8 receives the control signal that controller 6 is sent and sends relevant control
For signal to signal picker 3 and data amplifier 4, the control signal of the reception transmission of sequence controller 8 of signal picker 3 is simultaneously open-minded
Corresponding acquisition channel, data amplifier 4 receives the control signal that sequence controller 8 is sent and opens corresponding amplification channel, described
After the filtered device 2 of industrial signal that sensor 1 obtains filters, successively through the acquisition of signal picker 3, the amplification of data amplifier 4, A/
D converters 5 are delivered to controller 6 after being converted into digital signal, and controller 6 is defeated by key-press module 7 by collection value and before adjusting
Control targe value SP, the effective deviation m entered is stored to memory 10, while collection value is sent to display module 9 and is carried out
Simultaneous display, collection value PV of the controller 6 also to this calculating collection value PV and previous calculating0, this calculate collection value PV with
Control targe value SP is compared judgement and calculates real-time offsets value EkValue, according to compare, result of calculation, send corresponding control
Signal processed is to output module 11, and output module 11 sends associated control signal to executing agency 12, and executing agency 12 receives control
Signal simultaneously does corresponding action.
Intelligence Regulator of the present invention is provided with sequence controller 8, according to the type signal of the industrial signal of adjusting,
Sequence controller 8 sends associated control signal to signal picker 3 and data amplifier 4, so that signal picker 3 is opened and accordingly adopts
Collection channel is acquired corresponding industrial signal, and data amplifier 4 is opened corresponding amplification channel and put to corresponding industry signal
Greatly, and then individually Intelligence Regulator has the adjusting of a variety of different industrial signals, and simple in structure, application range is wider.
Claims (5)
1. a kind of adjusting method of Intelligence Regulator, it is characterised in that：Include the following steps：
1) executing agency is debugged before starting, it is executing agency to make the lower output of executing agency's normal work or dwell time Q, i.e. Q
The period is exported, the time used in controlled device variation unit quantity is corresponded to；
2) control targe value SP, the effective deviation m of controlled device and upper and lower effectively control boundary value (SP+m, SP- are determined
M), industrial signal is corresponded to controlled device with collection period t to be acquired in real time；
3) while to industrial signal acquisition, the collection value before and after calculating cycle twice is compared in real time with calculating cycle T,
Wherein T=n* collection period t, n are a positive integer, and current calculation cycle, this calculates the acquisition of collection value PV and previous calculating
Value PV0While being compared, also this calculating collection value PV is compared with control targe value SP, and calculate this calculating
Real-time offsets value E between collection value PV and control targe value SPk；
4) according to the collection value PV of this calculating collection value PV and previous calculating0Between, this calculate collection value PV and control targe value
Comparison result between SP and real-time offsets value EkValue applies corresponding excitation to executing agency, makes executing agency in the output period
There is corresponding control output quantity P in Sk, wherein output period S is corresponding with calculating cycle T and the lower executing agency of normal work
Controlled device variation unit quantity when output period Q it is equal；
Work as PV-PV0>=0 and PV≤SP, Ek>=m, the control output quantity P of executing agencykTo export S seconds in output period S, so
Cycle waits for that controlled device waveform rises；
Work as PV-PV0>=0 and PV≤SP, Ek=m-A ＜ m, the control output quantity P of executing agencykTo export (m- in output period S
A) * S/m seconds, disconnect A*S/m second, so recycle, wait for controlled device waveform rise, wherein A be integer, 0 ＜ A ＜ m；
Work as PV-PV0>=0 and PV>SP, the control output quantity P of executing agencykTo be disconnected S seconds in output period S, so recycles, wait for
Controlled device waveform declines after rising；
Work as PV-PV0＜ 0 and PV>SP、Ek>=m, the control output quantity P of executing agencykTo be disconnected S seconds in output period S, so follow
Ring waits for that controlled device waveform declines；
Work as PV-PV0＜ 0 and PV>SP、Ek=m-B ＜ m, the control output quantity P of executing agencykTo export B*S/m in output period S
Second disconnects (m-B) * S/m seconds, so recycles, and waits for that controlled device waveform declines, and wherein B is integer, 0 ＜ B ＜ m；Work as PV-PV0＜
0 and PV≤SP, the control output quantity P of executing agencykTo be exported S seconds in output period S, so recycles, wait for controlled device waveform
Rise after decline.
2. the adjusting method of Intelligence Regulator according to claim 1, it is characterised in that：PV-PV0>=0 and PV≤
SP、Ek>=m, executing agency is in control output quantity PkAfter exporting an output period for exporting S seconds in period S, (PV-PV0) big
In waiting for controlled device unit quantity, so cycle works as PV-PV after the rising of controlled device waveform0>=0 and PV≤SP, Ek=m-A ＜
M, the control output quantity P of executing agencykTo export (m-A) * S/m-C seconds in output period S, disconnecting A*S/m+C seconds, so follow
Ring waits for that controlled device waveform rises, and wherein A, C are integer, 0 ＜ A ＜ m, 0≤C ＜ m, offset C and (PV-PV0) directly proportional.
3. the adjusting method of Intelligence Regulator according to claim 1, it is characterised in that：PV-PV0＜ 0 and PV>SP、
Ek>=m, executing agency is in control output quantity PkAfter exporting an output period for disconnecting S seconds in period S, (PV0- PV) it is more than
Wait for controlled device unit quantity, so cycle works as PV-PV after the decline of controlled device waveform0＜ 0 and PV>SP、Ek=m-B ＜ m, hold
The control output quantity P of row mechanismkTo export B*S/m+C in output period S1Second disconnects (m-B) * S/m-C1Second, wherein B, C1For
Integer, 0 ＜ B ＜ m, 0≤C ＜ m, offset C1With (PV0- PV) it is directly proportional.
4. a kind of Intelligence Regulator, for realizing the artificial intelligence tune described in any one of claim 1 to claim 3
The adjusting method of device is saved, including is sequentially connected filter, signal picker, data amplifier, A/D converter and controller,
It is characterized in that：Key-press module, sequence controller, display module, memory and output module is also respectively connected in the controller,
The sequence controller is connect with signal picker and data amplifier respectively, and the output module connects with actuating mechanism controls
It connects, when work, filter sensor connection corresponding with the industrial signal that need to be adjusted, the work that filter obtains sensor
Industry signal is filtered；Signal picker receives the control signal of sequence controller transmission, opens corresponding acquisition channel, acquisition filter
Industrial signal after wave；Data amplifier receives the control signal of sequence controller transmission, opens corresponding amplification channel, to acquisition
Industrial signal be amplified；Amplified industrial signal is converted into digital signal by A/D converter；Key-press module input industry
The corresponding type signal of signal and control targe value；Controller reads the corresponding type signal of industrial signal of key-press module input
With control targe value, the transformed collection value of reception A/D converter, the corresponding type signal of the industrial signal of transmission, control targe
Value and collection value carry out from calculating to display module, to control targe value and collection value, send control instruction to sequence controller
With output module and deposit and read data to memory；The corresponding type signal of the industrial signal of display module display, control targe value
And collection value；Data during memory stored adjustment；Sequence controller receives the control instruction that control controller is sent, and
Relevant control is sent to instruct to signal picker and data amplifier；Output module receives the control that control controller is sent and refers to
It enables, and sends associated control signal to executing agency.
5. Intelligence Regulator according to claim 4, it is characterised in that：Sequence controller is connect with A/D converter.
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| CN111459118A (en) * | 2020-05-12 | 2020-07-28 | 东方电气自动控制工程有限公司 | Closed-loop control method based on stepping superposition |
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