CN107272404A - A kind of combined integral controller - Google Patents
A kind of combined integral controller Download PDFInfo
- Publication number
- CN107272404A CN107272404A CN201710572404.1A CN201710572404A CN107272404A CN 107272404 A CN107272404 A CN 107272404A CN 201710572404 A CN201710572404 A CN 201710572404A CN 107272404 A CN107272404 A CN 107272404A
- Authority
- CN
- China
- Prior art keywords
- mrow
- controller
- msub
- combined integral
- combined
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000010354 integration Effects 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000006641 stabilisation Effects 0.000 claims description 4
- 230000004044 response Effects 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 6
- 230000009471 action Effects 0.000 abstract description 5
- 206010021703 Indifference Diseases 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 22
- 230000008569 process Effects 0.000 description 19
- 241000208125 Nicotiana Species 0.000 description 7
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 7
- 238000012546 transfer Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000011217 control strategy Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000012369 In process control Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 235000013339 cereals Nutrition 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010965 in-process control Methods 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- RSMUVYRMZCOLBH-UHFFFAOYSA-N metsulfuron methyl Chemical compound COC(=O)C1=CC=CC=C1S(=O)(=O)NC(=O)NC1=NC(C)=NC(OC)=N1 RSMUVYRMZCOLBH-UHFFFAOYSA-N 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000003375 selectivity assay Methods 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
- G05B11/00—Automatic controllers
- G05B11/01—Automatic controllers electric
- G05B11/36—Automatic controllers electric with provision for obtaining particular characteristics, e.g. proportional, integral, differential
- G05B11/42—Automatic controllers electric with provision for obtaining particular characteristics, e.g. proportional, integral, differential for obtaining a characteristic which is both proportional and time-dependent, e.g. P. I., P. I. D.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Feedback Control In General (AREA)
Abstract
The invention provides a kind of combined integral controller, combined integral system transter is made up of two or more integration Object with Time Delay, for combined integral system, is controlled with following combination integral controller：Wherein, E (s) represents the input of controller, and U (s) represents the output of controller, kiFor target gain, τ1i、τ2iFor time delay constant.General principle of the invention based on internal model control and Model Predictive Control, proposing a class has good, the practical novel compositions integral controller of simple in construction, dynamic property, the controller itself is a positive feedback controller, and the average value that the current output of controller was only exported before controller is determined with current input.The controller has good response speed, antijamming capability and robustness.Under the controller action, controlled device with indifference without poor, the characteristics of controlling more than stable state.And the controller also has good control effect to non-combined integrating system.
Description
Technical field
The present invention relates to technical field of industrial control, the first-order system commonly used more particularly in process control field, two
A kind of novel compositions integral controller of the linear systems such as level system, high order system, integrating system.
Background technology
Integral process is frequently run onto in industrial process, while some time constants can be also seen as than larger first order process
Integrating system.The control problem of integrating system is widely studied, and many advanced control algolithms are suggested.
The systematic function and stability of this class process are easily influenceed by time-delay uncertainties, and the robust performance requirement to control algolithm is compared
It is high.Many algorithms are in actual industrial process, it is difficult to obtain satisfied control effect.In recent years, many scholars are to practical application
Research done substantial amounts of work, no doubt also achieve abundant achievement.
Although a large amount of new control theories are continued to bring out, conventional PID and improved PID controller still extensively should
Used in industrial control field.Some new theory specificitys are strong, bad adaptability, robust performance is poor, algorithm is complicated, implements and safeguards into
This height, these all limit their popularization and development.Therefore, how to make that controller architecture is simple, implement easily, robust performance
Good, highly versatile, is the target that the technical staff of control field pursues always.
In process control field, what is often referred to is exactly the lines such as first-order system, second-order system, high order system, integrating system
Sexual system, most of controller is also to be designed according to these systems.However, have many industrial process be represented by it is multiple not
With the combination of time lag integral process, but few focus of attention this class processes.Such as the underlying process transmission function of destilling towerFor multiple time delay integral process, Morari proposes the control strategy based on internal model principle, and is tested by emulation
Its control performance is demonstrate,proved.
There is a class to contain the object that multiple integral terms are formed by stacking referred to as combined integral process in addition.This class process is in steel
It is widely present in the industry such as iron, petrochemical industry, cereal processing, tobacco.Combined integral process is inherently open loop stabilization, and can be led to
Cross that time lag item is approximate and be approximately single order object with single order Pade.Current most of combined integral objects are considered single order
Object with Time Delay uses common control strategy, such as：Pid control algorithm, Smith predictive algorithms or Internal Model Control Algorithm.These controls
The need for device processed meets industrial production to a certain extent, this is also the reason for this class process gets the brush-off.But with the modern times
The fast development of industry, product quality, energy resource consumption and environmental protection problem propose higher requirement to control accuracy.Tradition
Control be not suitable for the control of combined integral object gradually, it is therefore desirable to new control strategy and method are to instruct control
Design, regulation and the operation of system.
The content of the invention
The technical problem to be solved in the present invention is the first-order system for process industrial, second-order system, high order system, integration
How the combined integral object of the linear systems such as system, carry out high-precision control, whole system is reached demand of industrial production.
In order to solve the above-mentioned technical problem, the technical scheme is that providing a kind of combined integral controller, its feature
It is：In combined integral system, the transmission function of combined integral link is made up of two or more integration Object with Time Delay, is represented
For：
Wherein, Gi(s) it is the Stable Polynomials for not including integral element；It is included in combined integral system
Systems stabilisation in system；kiFor target gain, τ1i、τ2iFor time delay constant, equation is met：τ2i=τ2(i-1)+τ1(i-1)；1 ＜
I ＜ knives, n is positive integer；
For combinations thereof integrating system, it is controlled with following combination integral controller：
Wherein, E (s) represents the input of controller, and U (s) represents the output of controller, and k represents target gain, τ1、τ2Represent
Time delay constant.
Preferably, the output at the combined integral controller current time only has combined integral controller with for the previous period
The average value of interior output and the input at current time are determined, therefore have anti-hysteresis, so as to overcome combined integral system
The hysteresis quality of system.
In principle, combined integral controller has essence different with traditional controller, when going over one section according to controller
Between the method that is controlled of average value, provide a kind of new thinking for Control System Design.While combined integral controller
Different process objects are can adapt to, there is reference to one class general purpose controller of research.
General principle of the invention based on internal model control and Model Predictive Control a, it is proposed that class has simple in construction, dynamic
Good, the practical novel compositions integral controller of state property energy.The controller itself is a positive feedback controller, controller
The average value that current output was only exported before current input and controller is determined, overcomes traditional controller to combined integral system
Control defect.The controller has good response speed, antijamming capability and robustness.Importantly, in the control
Under device processed effect, controlled device with indifference without poor, the characteristics of controlling more than stable state.And the controller is to non-combined integrating system
Also there is good control effect.
Brief description of the drawings
Fig. 1 is original controller structure；
Fig. 2 is improved controller architecture；
Fig. 3 is anti-hysteresis controller structure；
Fig. 4 is combined integral controller principle schematic diagram of the present invention；
Fig. 5 be embodiment in, the step response of control system and anti-interference response schematic diagram during model-free mismatch；
Fig. 6 be embodiment in, the step response of control system and anti-interference response schematic diagram when having model mismatch；
Fig. 7 be embodiment in, model structure change when control system step response and anti-interference response schematic diagram.
Embodiment
With reference to specific embodiment, the present invention is expanded on further.
Combined integral system transter model in industrial process typically has following five kinds：
The first：
Second：
The third：
4th kind：
5th kind：
To sum up, the transmission function of combined integral link is made up of two or more integration Object with Time Delay, is expressed as：Wherein, Gi(s) it is the Stable Polynomials for not including integral element,It is to include
Systems stabilisation in combined integral system, kiFor target gain, τ1i、τ2iFor time delay constant.In order to ensure the process
Continuity, time delay constant, τ1i、τ2iMeet equation：τ2i=τ2(i-1)+τ1(i-1), 1 ＜ i ＜ n, n is positive integer.
The present invention principle be：Combined integral controller is on the basis of original combined integral system, based on internal model
A kind of new controller that principle and model prediction are proposed.It is specifically described as follows：
For the first combined integral system object：
Wherein, k is constant, and τ is time delay constant；
For the system, it is assumed that desired closed loop transfer function, is：
According to Design of Internal Model Controller principle, the transmission function for obtaining controller is：
The input E (s) of controller and the relation exported between U (s) are：
Above formula (2) is construed to：Current control action u (t) inputs e (t) by controller and is multiplied by proportionality coefficientDuring with t- τ
The control action u's (t- τ) at quarter is cumulative, sees Fig. 1 original controller structures.U ' (s) is u (t- τ) pull-type conversion in Fig. 1.
The controller itself is a positive feedback controller, and structure is very simple, and realization is also very easy to, it is only necessary to current
Input and former controller export.The controller has good response speed, antijamming capability and robustness.
Importantly, under the controller action, controlled device with indifference without poor, the characteristics of controlling more than stable state.
However, the controller is found after commercial Application, controller output vibration is than larger, the abrasion to executing agency
Than larger, its popularization in the industry is seriously limited.
In order to overcome the shortcoming of controller output vibration, it is necessary to the control action of smooth positive feedback part, it is contemplated that combination
Integral elementThe essence of average value filtering, by the delay component e in Fig. 1-τsReplace withAnd will
It is reduced toObtain improved controller architecture as shown in Figure 2.U ' (s) is the past period [t, t- τ] to export u in Fig. 2
(t) input of the controller in the pull-type conversion of average value, Fig. 2, output relation are：
The transmission function of controller is：
Closed loop transfer function, is：
The closed loop transfer function, is consistent with open-loop transfer function characteristic, the input of its discretization, output relation for (assuming that from
1) time of dissipating is：
In view of the convenience of implementation, by above formula proper transformation, approximate expression is obtained：
Above formula (7) is transformed to incremental form：
As can be seen from the above equation, input and past n- of the increment of controller output only with current time and previous moment
1 is relevant with the controller output at n- τ -1 moment.
For second of combined integral system object：
Wherein, k is constant, τ1、τ2For time delay constant；
System pure lag system more than the first system, according to the thinking of above controller design, it is contemplated that
Current controlled variable and [t- τ2, t- τ1-τ2] period controller output it is relevant, by controller positive feedback link in Fig. 2WithReplace, obtain controller architecture as shown in Figure 3.It is the inputting of controller in Fig. 3, defeated
Going out relation is：
The transmission function of the corresponding controller of above formula (9) is：
The corresponding closed loop transfer function, of above formula (9) is：
Equally, closed loop transfer function, is consistent with open-loop transfer function characteristic.The input of formula (11) discretization, output relation are
(assuming that time discretization is 1)：
Above formula is transformed to incremental form：
As can be seen from the above equation, formula (7) is using the approximate feasibility of formula (8).Inherently see, any process all has pure
Hysteresis characteristic, the completely process without purely retarded are non-existent.Formula (13) controller is implemented very simple, it is only necessary to when current
Carve the input with previous moment and past n- τ2With n- τ1-τ2The controller output at moment.
With reference to Fig. 4, according to derivation above, the definition of combined integral controller of the present invention is obtained：Combined integral controller
It is to contain combined integral link in a class formationController, the output of controller is by currently inputting and passing by one
The average value of section time controller output is constituted.Its formula can be expressed as：
Because formula (14) has anti-hysteresis, also referred to as resist delayed combined integral controller.Formula (3) is the one of above formula
Individual special case, referred to as basic combined integral controller.
In practice, there is substantial amounts of combined integral system, petrochemical industry, grease, chemical fibre, papermaking, pharmacy, grain in industry
The industrial process such as food processing all include combined integral system.The research of combined integral controller is to improving the control of the class object
Precision and economic benefit, there is important more practical value.
The present invention is further illustrated with a specific embodiment below.
Cut-tobacco drier is that cut tobacco is dried as the key equipment in tobacco cutting production line, its maximum effect, it is ensured that
Moisture content is to 11%~14%, and by moisture content precision controlling within 0.5%, to meet cigarette technological requirement.Dried in cut tobacco
While dry, pipe tobacco is produced obvious expansion, improve the filling power of pipe tobacco, to weaken cigarette list case consumption silk amount have significantly into
Effect.
The process object of pipe tobacco moisture content of outlet is second of combined integral system transter model, and parameter is τ1=
10, τ2=10, k=1.I.e.
This is a class Large Dead-time Process, is controlled using formula (14), its step response curve and noiseproof feature (
T=10s adds step, in the interference that T=45s is exported plus amplitude is 1) as shown in Figure 5.
Object parameters are changed to τ1=11, τ2=9, k=1.1, and controller parameter keeps constant, system still can
With good control performance, as shown in Figure 6.
If controlled device is become and turns to single order process with long time delayIn T=10s plus step, in T
=100s outputs plus the interference that amplitude is 1, equally, controller parameter keep constant.Although system response has slowed one
A bit, flatness has been short of, but system still has good control performance：Non-overshoot, without poor, interference free performance more than stable state
It is good, and controller output is more smooth, as shown in Figure 7.
It is described above, only presently preferred embodiments of the present invention, it is not any to the present invention in form and substantial limitation,
It should be pointed out that for those skilled in the art, on the premise of the inventive method is not departed from, can also make
Some improvement and supplement, these are improved and supplement also should be regarded as protection scope of the present invention.All those skilled in the art,
Without departing from the spirit and scope of the present invention, when made using disclosed above technology contents it is a little more
Dynamic, modification and the equivalent variations developed, are the equivalent embodiment of the present invention；Meanwhile, all substantial technologicals pair according to the present invention
The variation, modification and evolution for any equivalent variations that above-described embodiment is made, still fall within the scope of technical scheme
It is interior.
Claims (2)
1. a kind of combined integral controller, it is characterised in that：In combined integral system, the transmission function of combined integral link by
Two or more integration Object with Time Delay are constituted, and are expressed as：
<mrow>
<munderover>
<mo>&Sigma;</mo>
<mrow>
<mi>i</mi>
<mo>=</mo>
<mn>1</mn>
</mrow>
<mi>n</mi>
</munderover>
<mfrac>
<msub>
<mi>k</mi>
<mi>i</mi>
</msub>
<mrow>
<msub>
<mi>sG</mi>
<mi>i</mi>
</msub>
<mrow>
<mo>(</mo>
<mi>s</mi>
<mo>)</mo>
</mrow>
</mrow>
</mfrac>
<mrow>
<mo>(</mo>
<mn>1</mn>
<mo>-</mo>
<msup>
<mi>e</mi>
<mrow>
<mo>-</mo>
<msub>
<mi>&tau;</mi>
<mrow>
<mn>1</mn>
<mi>i</mi>
</mrow>
</msub>
<mi>s</mi>
</mrow>
</msup>
<mo>)</mo>
</mrow>
<msup>
<mi>e</mi>
<mrow>
<mo>-</mo>
<msub>
<mi>&tau;</mi>
<mrow>
<mn>2</mn>
<mi>i</mi>
</mrow>
</msub>
<mi>s</mi>
</mrow>
</msup>
</mrow>
Wherein, Gi(s) it is the Stable Polynomials for not including integral element；It is included in combined integral system
Systems stabilisation；kiFor target gain, τ1i、τ2iFor time delay constant, equation is met：τ2i=τ2(i-1)+τ1(i-1)；1 ＜ i ＜ n, n
For positive integer；
For combinations thereof integrating system, it is controlled with following combination integral controller：
<mrow>
<mi>U</mi>
<mrow>
<mo>(</mo>
<mi>s</mi>
<mo>)</mo>
</mrow>
<mo>=</mo>
<mfrac>
<mn>1</mn>
<msub>
<mi>k</mi>
<mi>i</mi>
</msub>
</mfrac>
<mi>E</mi>
<mrow>
<mo>(</mo>
<mi>s</mi>
<mo>)</mo>
</mrow>
<mo>+</mo>
<mfrac>
<mn>1</mn>
<mrow>
<msub>
<mi>&tau;</mi>
<mrow>
<mn>1</mn>
<mi>i</mi>
</mrow>
</msub>
<mi>s</mi>
</mrow>
</mfrac>
<mrow>
<mo>(</mo>
<mn>1</mn>
<mo>-</mo>
<msup>
<mi>e</mi>
<mrow>
<mo>-</mo>
<msub>
<mi>&tau;</mi>
<mrow>
<mn>1</mn>
<mi>i</mi>
</mrow>
</msub>
<mi>s</mi>
</mrow>
</msup>
<mo>)</mo>
</mrow>
<msup>
<mi>e</mi>
<mrow>
<mo>-</mo>
<msub>
<mi>&tau;</mi>
<mrow>
<mn>2</mn>
<mi>i</mi>
</mrow>
</msub>
<mi>s</mi>
</mrow>
</msup>
<mi>U</mi>
<mrow>
<mo>(</mo>
<mi>s</mi>
<mo>)</mo>
</mrow>
</mrow>
Wherein, E (s) represents the input of controller, and U (s) represents the output of controller, kiFor target gain, τ1i、τ2iProlong for the time
Slow constant.
2. a kind of combined integral controller as claimed in claim 1, it is characterised in that：When the combined integral controller is current
The output at quarter is only had combined integral controller and determined with the input at the average value of interior output and current time for the previous period, therefore
With anti-hysteresis, so as to overcome the hysteresis quality of combined integral system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710572404.1A CN107272404A (en) | 2017-07-13 | 2017-07-13 | A kind of combined integral controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710572404.1A CN107272404A (en) | 2017-07-13 | 2017-07-13 | A kind of combined integral controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107272404A true CN107272404A (en) | 2017-10-20 |
Family
ID=60073003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710572404.1A Pending CN107272404A (en) | 2017-07-13 | 2017-07-13 | A kind of combined integral controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107272404A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108021021A (en) * | 2017-12-14 | 2018-05-11 | 东华大学 | A kind of controller of double circle structure for integrator plus time delay object |
| CN109445275A (en) * | 2018-11-08 | 2019-03-08 | 广东电网有限责任公司 | A kind of ratio hysteretic control approach, device and equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020111758A1 (en) * | 2000-10-18 | 2002-08-15 | Qing-Guo Wang | Robust process identification and auto-tuning control |
| CN101382773A (en) * | 2008-10-17 | 2009-03-11 | 东华大学 | Anti-time lag flase-proportional integral control system and method |
| CN105334752A (en) * | 2015-11-30 | 2016-02-17 | 东华大学 | Control method with combined integrating link and predictive PI control algorithm combined |
| CN105337588A (en) * | 2015-11-30 | 2016-02-17 | 东华大学 | Combined integral filtering system |
| CN105529022A (en) * | 2015-12-18 | 2016-04-27 | 东华大学 | Self-adaptive combined integration filtering apparatus and noise control system and method |
-
2017
- 2017-07-13 CN CN201710572404.1A patent/CN107272404A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020111758A1 (en) * | 2000-10-18 | 2002-08-15 | Qing-Guo Wang | Robust process identification and auto-tuning control |
| CN101382773A (en) * | 2008-10-17 | 2009-03-11 | 东华大学 | Anti-time lag flase-proportional integral control system and method |
| CN105334752A (en) * | 2015-11-30 | 2016-02-17 | 东华大学 | Control method with combined integrating link and predictive PI control algorithm combined |
| CN105337588A (en) * | 2015-11-30 | 2016-02-17 | 东华大学 | Combined integral filtering system |
| CN105529022A (en) * | 2015-12-18 | 2016-04-27 | 东华大学 | Self-adaptive combined integration filtering apparatus and noise control system and method |
Non-Patent Citations (1)
| Title |
|---|
| 郑达，方建安: "组合积分系统的控制理论与应用研究", 《中国博士学位论文电子期刊网 信息科技辑》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108021021A (en) * | 2017-12-14 | 2018-05-11 | 东华大学 | A kind of controller of double circle structure for integrator plus time delay object |
| CN109445275A (en) * | 2018-11-08 | 2019-03-08 | 广东电网有限责任公司 | A kind of ratio hysteretic control approach, device and equipment |
| CN109445275B (en) * | 2018-11-08 | 2021-01-26 | 广东电网有限责任公司 | Proportional hysteresis control method, device and equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107168055B (en) | Ammonia desulphurization optimization control method based on multivariable predictive control | |
| CN104122797A (en) | Novel thermal power generating unit load multivariable predictive control method | |
| CN104089270B (en) | A kind of generating set boiler load control and optimize Adjustment Tests method | |
| CN104199299B (en) | Multivariable limited generalized prediction control method of gas turbine load regulation performance | |
| CN104901596A (en) | Improved fuzzy PID based excitation controller and method thereof | |
| CN103116283A (en) | Method for controlling dynamic matrix of non-self-balance object | |
| CN107272404A (en) | A kind of combined integral controller | |
| CN104102134A (en) | Method for realizing reheat steam temperature multivariable coordinate predictive control through performance indexes | |
| CN105334752A (en) | Control method with combined integrating link and predictive PI control algorithm combined | |
| CN103218531A (en) | Remote voltage control mode accounted node type extended continuous load flow algorithm | |
| CN100547504C (en) | Industrial process forecast Control Algorithm based on fuzzy object and fuzzy constraint | |
| CN101635553A (en) | Integrated intelligent decoupling control method for generator excitation system and steam valve system | |
| CN107367939A (en) | The control method being combined based on combined integral controller with dual control system | |
| CN205318259U (en) | Water temperature control system | |
| Ruikun et al. | Study of fractional order PI λ DM controller designing method | |
| Yan et al. | Application of Fuzzy Adaptive PID Control in Chlorine Flow Control System | |
| CN107968444A (en) | A kind of new energy cluster-coordinator optimal control method | |
| Sivaramakrishnan et al. | Design of Hybrid control for Isothermal Continuous stirred tank Reactor | |
| Xu et al. | Process control optimization for hydroelectric power based on neural network algorithm | |
| Shengwang et al. | The application of bp neural predictive fuzzy control in cement grate cooler system | |
| CN102736514B (en) | A kind of PIDT control technology and method thereof with optional Control architecture | |
| CN107065538A (en) | The fuzzy tracking control method of dum boiler Steam Turbine | |
| Wenmin et al. | Application of fuzzy-PID in control of FC furnace gypsum calcination temperature | |
| Hu et al. | Robust Controller Design for boiler system | |
| Wu | Generalized predictive and fuzzy control in 600MW supercritical unit coordinated control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171020 |