CN107092191A - A kind of method and apparatus for obtaining pseudo- ratio link - Google Patents
A kind of method and apparatus for obtaining pseudo- ratio link Download PDFInfo
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- CN107092191A CN107092191A CN201710495105.2A CN201710495105A CN107092191A CN 107092191 A CN107092191 A CN 107092191A CN 201710495105 A CN201710495105 A CN 201710495105A CN 107092191 A CN107092191 A CN 107092191A
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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
Abstract
The embodiment of the invention discloses a kind of method and apparatus for obtaining pseudo- ratio link, the technical problem for solving to be converted to Higher-order inertia link object pseudo- ratio link.The method of the pseudo- ratio link of acquisition of the embodiment of the present invention includes：The present count parameter of Higher-order inertia link object is acquired by various identification Methods；Wave filter is combined to form junction filter successively；Higher-order inertia link object is in parallel with junction filter progress, pseudo- ratio link is obtained, junction filter is used for the pure integration control of Higher-order inertia link object.
Description
Technical field
The present invention relates to process control field, more particularly to a kind of method and apparatus for obtaining pseudo- ratio link.
Background technology
In process control, PID (Proportion integration differentiation) controller has extensively
Application.
More serious in some noise jammings, noise jamming amplitude is even above the occasion of process signal amplitude, and differential is made
With with significant interference enlarge-effect, ratio P (Proportion) controls be also it is unsuitable, at this moment can be in using pure integration
I (Integration) is controlled, and has significant filtration to noise jamming.But with respect to PID or PI (Proportion
Integration) control, the inferior quality of pure integration I controls.For the pure integration I controls of Higher-order inertia link object, preferably solution
Certainly Higher-order inertia link object is exactly converted to pseudo- proportional component by method.
The content of the invention
The embodiments of the invention provide a kind of method and apparatus for obtaining pseudo- ratio link, solve Higher-order inertia link object
Be converted to the technical problem of pseudo- ratio link.
A kind of method for obtaining pseudo- ratio link provided in an embodiment of the present invention, including：
S1：Pass through the present count inertia constant of Model Distinguish acquisition Higher-order inertia link object, present count gain, present count rank
Number, the Higher-order inertia link object representation is formula：
Wherein, IO (s) is the transmission function of the Higher-order inertia link object；TαIt is used to for the present count of the Higher-order inertia link object
Property constant, unit is s；KαFor the present count gain of the Higher-order inertia link object；N is the present count rank of the Higher-order inertia link object
Number；
S2：Uniform filtering time constant, the first filter gain of first wave filter, the first wave filter expression are set
For formula：
Wherein, F1 (s) is the transmission function of first wave filter；TFFor the uniform filtering time constant, unit is
s；KF1For first filter gain；First wave filter is first differential device；
S3：Second wave filter is set to the uniform filtering time constant of present count filter order, the present count
Filter order is expressed as formula：
Wherein, Fm (s) is the described second transmission function for arriving the present count filter order；M arrives for described second
The numbering of the present count filter order, 2≤m≤n；N is the present count exponent number, 1<n<8；TFFor the uniform filtering
Time constant, unit is s；Second wave filter to the present count filter order be ratio wave filter；
S4：First wave filter is connected to the present count filter order, and first wave filter is arrived
The output result of the present count filter order is sequentially overlapped output, forms junction filter, the junction filter table
Up to for formula：
Wherein, F (s) is the transmission function of the junction filter；KF1For first filter gain；TFFor the system
One time constant filter, unit is s；N is the present count exponent number, n<8, n>1；
S5：Set first filter gain to be equal to the present count gain, the uniform filtering time constant is set
It is equal to the present count inertia constant, the Higher-order inertia link object is in parallel with the junction filter, pseudo- ratio link is obtained,
The pseudo- ratio link is expressed as formula：
Wherein, FP (s) is the transmission function of the pseudo- ratio link；IO (s) is the transmission letter of the Higher-order inertia link object
Number；F (s) is the transmission function of the junction filter；TαFor the present count inertia constant, unit is s；KαPreset to be described
Number gain；N is the present count exponent number, n<8, n>1；KF1For first filter gain；TFFor the uniform filtering time
Constant, unit is s.
A kind of device of the pseudo- ratio link of acquisition for being provided in the embodiment of the present invention, including predetermined Higher-order inertia link object,
Model Distinguish unit, the first digital filter device, the second wave filter to present count filter order, pure integral controller, it is described
First wave filter is first differential device, and described second to present count filter order is ratio wave filter.
First wave filter is connected to the present count filter order and first wave filter is pre- to described
If the output result of number filter order is sequentially overlapped output and forms junction filter, the junction filter is used to the high-order
Sex object parallel connection forms pseudo- ratio link, the output end and the input phase of the pure integral controller of the pseudo- ratio link
Even.
First wave filter is expressed as formula：
Wherein, F1 (s) is the transmission function of first wave filter；TFFor the uniform filtering time constant, unit is
s；KF1For first filter gain；
The present count filter order is expressed as formula：
Wherein Fn (s) is the transmission function of the present count filter order；N is the present count exponent number, n<8, n>
1；TFFor the uniform filtering time constant, unit is s；
The junction filter is expressed as formula：
Wherein, F (s) is the transmission function of the junction filter；KF1For first filter gain,；TFTo be described
Uniform filtering time constant, unit is s；N is the present count exponent number, n<8, n>1；
The pseudo- ratio link is expressed as formula：
Wherein, FP (s) is the transmission function of the pseudo- ratio link；IO (s) is the transmission letter of the Higher-order inertia link object
Number；F (s) is the transmission function of the junction filter；TαFor the present count inertia constant, unit is s；KαPreset to be described
Number gain；N is the present count exponent number, n<8, n>1；KF1For first filter gain；TFFor the uniform filtering time
Constant, unit is s.
As can be seen from the above technical solutions, the present invention has advantages below：
The present count parameter of inertial object is obtained by various identification Methods；Wave filter is combined to form combination successively
Wave filter；Inertial object is in parallel with junction filter progress, pseudo- ratio link is obtained, the pure integration of pseudo- ratio link input is controlled
Device processed, solves the technical problem for the pseudo- ratio link for obtaining Higher-order inertia link object.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is median filter combination process schematic diagram of the embodiment of the present invention；
Fig. 2 is junction filter schematic diagram in parallel with Higher-order inertia link object in the embodiment of the present invention；
Fig. 3 is pure integration control schematic diagram of the junction filter for Higher-order inertia link object in the embodiment of the present invention；
Fig. 4 is junction filter schematic diagram in parallel with second-order inertia object in the embodiment of the present invention；
Fig. 5 (a) is used for second-order inertia object and the contrast test of present technology for junction filter in the embodiment of the present invention
As a result；
Fig. 5 (b) is used for second-order inertia object and the contrast test of present technology for junction filter in the embodiment of the present invention
As a result.
Embodiment
The embodiments of the invention provide a kind of method and apparatus for obtaining pseudo- ratio link, for solving Higher-order inertia link pair
Technical problem as being converted to pseudo- ratio link.
To enable goal of the invention, feature, the advantage of the present invention more obvious and understandable, below in conjunction with the present invention
Accompanying drawing in embodiment, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that disclosed below
Embodiment be only a part of embodiment of the invention, and not all embodiment.Based on the embodiment in the present invention, this area
All other embodiment that those of ordinary skill is obtained under the premise of creative work is not made, belongs to protection of the present invention
Scope.
A kind of one implementation of the method for the pseudo- ratio link of the acquisition provided in Fig. 1-Fig. 3, the embodiment of the present invention is provided
Example, including：
S1：Pass through the present count inertia constant of Model Distinguish acquisition Higher-order inertia link object, present count gain, present count rank
Number, the Higher-order inertia link object representation is formula：
Wherein, IO (s) is the transmission function of the Higher-order inertia link object；TαIt is used to for the present count of the Higher-order inertia link object
Property constant；KαFor the present count gain of the Higher-order inertia link object；N is the present count exponent number of the Higher-order inertia link object；
The present count parameter of inertial object is obtained by various identification Methods, can be obtained by various identification Methods
Obtain the present count parameter of Higher-order inertia link object.Higher-order inertia link object representation is formula:
In formula (1), IO (s) is the transmission function of inertial object；TαFor present count inertia constant, unit s；KαIt is default
Number gain, unit dimensionless；N is present count exponent number, unit dimensionless；The present count exponent number n>1, the present count exponent number n
Can not be infinitely great, limit the present count exponent number n<8.
S2：Uniform filtering time constant, the first filter gain of first wave filter, the first wave filter expression are set
For formula：
Wherein, F1 (s) is the transmission function of first wave filter；TFFor the uniform filtering time constant；KF1For institute
State the first filter gain；First wave filter is first differential device；
First wave filter is set, and the first wave filter is expressed as formula:
In formula (2), F1 (s) is the transmission function of first wave filter；TFFor uniform filtering time constant, unit s；
KF1For first filter gain, unit dimensionless；The substantially first differential device of first wave filter.
S3：Second wave filter is set to the uniform filtering time constant of present count filter order, second filtering
Device is expressed as formula to the present count filter order：
Wherein, Fm (s) is the described second transmission function for arriving the present count filter order；M arrives for described second
The numbering of the present count filter order, 2≤m≤n；N is the present count exponent number；TFIt is normal for the uniform filtering time
Number；Second wave filter to the present count filter order be ratio wave filter；
Set the second wave filter to the present count filter order, be expressed as formula:
In formula (3), F2 (s) is the transmission function of the second wave filter；F3 (s) is the transmission function of the 3rd wave filter；F4
(s) it is the transmission function of the 4th wave filter；Fn (s) is the transmission function of present count filter order；N is the present count rank
Number, unit dimensionless, the present count exponent number n>1, the present count exponent number n can not be infinitely great, limit the present count exponent number n
<8；TFFor uniform filtering time constant, unit s；Second wave filter is substantially to the present count filter order
One order inertia wave filter.
S4：First wave filter is connected to the present count filter order, and first wave filter is arrived
The output result of the present count filter order is sequentially overlapped output, forms junction filter, the junction filter table
Up to for formula：
Wherein, F (s) is the transmission function of the junction filter；KF1For first filter gain；TFFor the system
One time constant filter；N is the present count rank；
As shown in figure 1, first wave filter is connected to the present count filter order, and described first is filtered
The output result of ripple device to the present count filter order is sequentially overlapped output, forms junction filter, the combination filter
Ripple device is expressed as formula：
Wherein, F (s) is the transmission function of the junction filter；KF1For first filter gain；TFFor the system
One time constant filter, unit is s；N is the present count exponent number, n<8, n>1；
S5：Set first filter gain to be equal to the present count gain, the uniform filtering time constant is set
It is equal to the present count inertia constant, the Higher-order inertia link object is in parallel with the junction filter, pseudo- ratio link is obtained,
The pseudo- ratio link is expressed as formula：
Wherein, FP (s) is the transmission function of the pseudo- ratio link；IO (s) is the transmission letter of the Higher-order inertia link object
Number；F (s) is the transmission function of the junction filter；TαFor the present count inertia constant；KαFor the present count gain；n
For the present count exponent number；KF1For first filter gain；TFFor the uniform filtering time constant.
First filter gain is set to be equal to the present count gain；The uniform filtering time constant is set to be equal to
The present count inertia constant；It is expressed as formula:
In formula (5), KF1For first filter gain, unit dimensionless；KαFor the present count gain, unit without
Dimension；TF1For the uniform filtering time constant, unit s；KαFor the inertia constant, unit s.
As shown in Fig. 2 the Higher-order inertia link object is in parallel with the junction filter, pseudo- ratio link is obtained, it is described
Pseudo- ratio link is expressed as formula：
Wherein, FP (s) is the transmission function of the pseudo- ratio link；IO (s) is the transmission letter of the Higher-order inertia link object
Number；F (s) is the transmission function of the junction filter；TαFor the present count inertia constant, unit is s；KαPreset to be described
Number gain；N is the present count exponent number, n<8, n>1；KF1For first filter gain；TFFor the uniform filtering time
Constant, unit is s.
As shown in figure 3, junction filter to be used for the pure integration control of Higher-order inertia link object, realize Higher-order inertia link object
Be converted to pseudo- ratio link.
In the present embodiment, the present count parameter of Higher-order inertia link object is acquired by various identification Methods；Will filtering
Device combines to form junction filter successively；Higher-order inertia link object is in parallel with junction filter progress, pseudo- ratio link is obtained, will
Higher-order inertia link object is converted to the pseudo- ratio link, and junction filter is used for the pure integration control of Higher-order inertia link object, solution
Determine and Higher-order inertia link object is converted to the technical problem of pseudo- ratio link.
A kind of one implementation of the device of the pseudo- ratio link of the acquisition provided in Fig. 1-Fig. 5, the embodiment of the present invention is provided
Example, including second-order inertia object, Model Distinguish unit, the first digital filter device, the second wave filter to present count order filtration
Device, pure integral controller, first wave filter are first differential device, second wave filter to present count filter order
For ratio wave filter；
As shown in figure 1, first wave filter is connected and first wave filter to the present count filter order
Output result to the present count filter order is sequentially overlapped output and forms junction filter；
As shown in Fig. 2 junction filter and Higher-order inertia link object parallel connection form pseudo- ratio link；
As shown in figure 3, the output end of the pseudo- ratio link is connected with the input of the pure integral controller；
First wave filter is expressed as formula：
Wherein, F1 (s) is the transmission function of first wave filter；TFFor the uniform filtering time constant, unit is
s；KF1For first filter gain；
Second wave filter is expressed as formula to present count filter order：
Wherein, Fn (s) is the transmission function of the present count filter order；N is the present count exponent number, n<8, n>
1；TFFor the uniform filtering time constant, unit is s；Reality of second wave filter to the present count filter order
Matter is one order inertia wave filter.
The junction filter is expressed as formula：
Wherein, F (s) is the transmission function of the junction filter；KF1For first filter gain,；TFTo be described
Uniform filtering time constant, unit is s；N is the present count exponent number, n<8, n>1；
The pseudo- ratio link is expressed as formula：
Wherein, FP (s) is the transmission function of the pseudo- ratio link；IO (s) is the transmission letter of the Higher-order inertia link object
Number；F (s) is the transmission function of the junction filter；TαFor the present count inertia constant, unit is s；KαPreset to be described
Number gain；N is the present count exponent number, n<8, n>1；KF1For first filter gain；TFFor the uniform filtering time
Constant, unit is s.
As shown in figure 4, as T α=100s, K α=1, when applying the white noise of amplitude 0.5 in the output of process, with CO (t)
Expression control output signal obtains contrast and experiment, and such as Fig. 5 (a) PID anti-white noise disturbances experimental result and Fig. 5 (b) are anti-white
Shown in noise jamming experimental result.
In the present embodiment, the present count parameter of inertial object is acquired by various identification Methods；By wave filter according to
Secondary combination forms junction filter；Inertial object is in parallel with junction filter progress, pseudo- ratio link is obtained, by the inertia
Object is converted to the pseudo- ratio link, when solving automatic disturbance rejection controller for across rank control, there is Immunity Performance decline
Technical problem, show the present invention anti-outer immunity can on good advantage.
It is apparent to those skilled in the art that, for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, may be referred to the corresponding process in preceding method embodiment, will not be repeated here.
Described above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to before
Embodiment is stated the present invention is described in detail, it will be understood by those within the art that：It still can be to preceding
State the technical scheme described in each embodiment to modify, or equivalent substitution is carried out to which part technical characteristic；And these
Modification is replaced, and the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (2)
1. a kind of method for obtaining pseudo- ratio link, it is characterised in that including step：
S1：Pass through the present count inertia constant of Model Distinguish acquisition Higher-order inertia link object, present count gain, present count exponent number, institute
Higher-order inertia link object representation is stated for formula：
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Wherein, IO (s) is the transmission function of the Higher-order inertia link object；TαPresent count inertia for the Higher-order inertia link object is normal
Number；KαFor the present count gain of the Higher-order inertia link object；N is the present count exponent number of the Higher-order inertia link object；
S2：Uniform filtering time constant, the first filter gain of first wave filter are set, and first wave filter is expressed as public affairs
Formula：
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Wherein, F1 (s) is the transmission function of first wave filter；TFFor the uniform filtering time constant；KF1For described
One filter gain；First wave filter is first differential device；
S3：Second wave filter is set to the uniform filtering time constant of present count filter order, second wave filter is arrived
The present count filter order is expressed as formula：
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Wherein, Fm (s) is the described second transmission function for arriving the present count filter order；M is described second described in
The numbering of present count filter order, 2≤m≤n；N is the present count exponent number；TFFor the uniform filtering time constant；
Second wave filter to the present count filter order be ratio wave filter；
S4：First wave filter is connected to the present count filter order, and by first wave filter described in
The output result of present count filter order is sequentially overlapped output, forms junction filter, and the junction filter is expressed as
Formula：
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Wherein, F (s) is the transmission function of the junction filter；KF1For first filter gain；TFFor the unified filter
Ripple time constant；N is the present count rank；
S5：Set first filter gain to be equal to the present count gain, set the uniform filtering time constant to be equal to
The present count inertia constant, the Higher-order inertia link object is in parallel with the junction filter, pseudo- ratio link is obtained, it is described
Pseudo- ratio link is expressed as formula：
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Wherein, FP (s) is the transmission function of the pseudo- ratio link；IO (s) is the transmission function of the Higher-order inertia link object；F
(s) it is the transmission function of the junction filter；TαFor the present count inertia constant；KαFor the present count gain；N is institute
State present count exponent number；KF1For first filter gain；TFFor the uniform filtering time constant.
2. a kind of device for obtaining pseudo- ratio link, it is characterised in that including predetermined Higher-order inertia link object, Model Distinguish list
Member, the first wave filter, second to present count filter order, pure integral controller, first wave filter are first differential
Device, described second to present count filter order is ratio wave filter；
First wave filter is connected to the present count filter order and first wave filter is to the present count
The output result of filter order is sequentially overlapped output and forms junction filter, the junction filter and the Higher-order inertia link pair
As the pseudo- ratio link of parallel connection formation, the output end of the pseudo- ratio link is connected with the input of the pure integral controller；
First wave filter is expressed as formula：
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<mi>F</mi>
<mn>1</mn>
<mrow>
<mo>(</mo>
<mi>s</mi>
<mo>)</mo>
</mrow>
<mo>=</mo>
<mfrac>
<mrow>
<msub>
<mi>K</mi>
<mrow>
<mi>F</mi>
<mn>1</mn>
</mrow>
</msub>
<msub>
<mi>T</mi>
<mi>F</mi>
</msub>
<mi>s</mi>
</mrow>
<mrow>
<mn>1</mn>
<mo>+</mo>
<msub>
<mi>T</mi>
<mi>F</mi>
</msub>
<mi>s</mi>
</mrow>
</mfrac>
</mrow>
Wherein, F1 (s) is the transmission function of first wave filter；TFFor the uniform filtering time constant；KF1For described
One filter gain；
Second wave filter is expressed as formula to present count filter order：
<mrow>
<mi>F</mi>
<mi>m</mi>
<mrow>
<mo>(</mo>
<mi>s</mi>
<mo>)</mo>
</mrow>
<mo>=</mo>
<mfrac>
<mn>1</mn>
<mrow>
<mn>1</mn>
<mo>+</mo>
<msub>
<mi>T</mi>
<mi>F</mi>
</msub>
<mi>s</mi>
</mrow>
</mfrac>
</mrow>
Wherein, Fm (s) is the described second transmission function for arriving the present count filter order；M is described second described in
The numbering of present count filter order, 2≤m≤n；N is the present count exponent number；TFFor the uniform filtering time constant；
Second wave filter to the present count filter order be ratio wave filter；
The junction filter is expressed as formula：
<mrow>
<munder>
<mrow>
<mi>F</mi>
<mrow>
<mo>(</mo>
<mi>s</mi>
<mo>)</mo>
</mrow>
</mrow>
<mrow>
<mi>n</mi>
<mo>></mo>
<mn>1</mn>
</mrow>
</munder>
<mo>=</mo>
<mfrac>
<mrow>
<msub>
<mi>K</mi>
<mrow>
<mi>F</mi>
<mn>1</mn>
</mrow>
</msub>
<msub>
<mi>T</mi>
<mi>F</mi>
</msub>
<mi>s</mi>
</mrow>
<mrow>
<mn>1</mn>
<mo>+</mo>
<msub>
<mi>T</mi>
<mi>F</mi>
</msub>
<mi>s</mi>
</mrow>
</mfrac>
<munderover>
<mo>&Sigma;</mo>
<mrow>
<mi>i</mi>
<mo>=</mo>
<mn>0</mn>
</mrow>
<mrow>
<mi>i</mi>
<mo>=</mo>
<mi>n</mi>
<mo>-</mo>
<mn>1</mn>
</mrow>
</munderover>
<mfrac>
<mn>1</mn>
<msup>
<mrow>
<mo>(</mo>
<mn>1</mn>
<mo>+</mo>
<msub>
<mi>T</mi>
<mi>F</mi>
</msub>
<mi>s</mi>
<mo>)</mo>
</mrow>
<mi>i</mi>
</msup>
</mfrac>
</mrow>
Wherein, F (s) is the transmission function of the junction filter；KF1For first filter gain,；TFFor the unification
Time constant filter；N is the present count exponent number；
The pseudo- ratio link is expressed as formula：
<mfenced open = "" close = "">
<mtable>
<mtr>
<mtd>
<mrow>
<mi>F</mi>
<mi>P</mi>
<mrow>
<mo>(</mo>
<mi>s</mi>
<mo>)</mo>
</mrow>
<mo>=</mo>
<mi>I</mi>
<mi>O</mi>
<mrow>
<mo>(</mo>
<mi>s</mi>
<mo>)</mo>
</mrow>
<mo>+</mo>
<mi>F</mi>
<mrow>
<mo>(</mo>
<mi>s</mi>
<mo>)</mo>
</mrow>
</mrow>
</mtd>
</mtr>
<mtr>
<mtd>
<mrow>
<mo>=</mo>
<mfrac>
<msub>
<mi>K</mi>
<mi>&alpha;</mi>
</msub>
<msup>
<mrow>
<mo>(</mo>
<mn>1</mn>
<mo>+</mo>
<msub>
<mi>T</mi>
<mi>&alpha;</mi>
</msub>
<mi>s</mi>
<mo>)</mo>
</mrow>
<mi>n</mi>
</msup>
</mfrac>
<mo>+</mo>
<mfrac>
<mrow>
<msub>
<mi>K</mi>
<mrow>
<mi>F</mi>
<mn>1</mn>
</mrow>
</msub>
<msub>
<mi>T</mi>
<mi>F</mi>
</msub>
<mi>s</mi>
</mrow>
<mrow>
<mn>1</mn>
<mo>+</mo>
<msub>
<mi>T</mi>
<mi>F</mi>
</msub>
<mi>s</mi>
</mrow>
</mfrac>
<munderover>
<mo>&Sigma;</mo>
<mrow>
<mi>i</mi>
<mo>=</mo>
<mn>0</mn>
</mrow>
<mrow>
<mi>i</mi>
<mo>=</mo>
<mi>n</mi>
<mo>-</mo>
<mn>1</mn>
</mrow>
</munderover>
<mfrac>
<mn>1</mn>
<msup>
<mrow>
<mo>(</mo>
<mn>1</mn>
<mo>+</mo>
<msub>
<mi>T</mi>
<mi>F</mi>
</msub>
<mi>s</mi>
<mo>)</mo>
</mrow>
<mi>i</mi>
</msup>
</mfrac>
</mrow>
</mtd>
</mtr>
<mtr>
<mtd>
<mrow>
<mo>=</mo>
<msub>
<mi>K</mi>
<mi>&alpha;</mi>
</msub>
</mrow>
</mtd>
</mtr>
</mtable>
</mfenced>
Wherein, FP (s) is the transmission function of the pseudo- ratio link；IO (s) is the transmission function of the Higher-order inertia link object；F
(s) it is the transmission function of the junction filter；TαFor the present count inertia constant；KαFor the present count gain；N is institute
State present count exponent number；KF1For first filter gain；TFFor the uniform filtering time constant.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109932898A (en) * | 2019-03-29 | 2019-06-25 | 广东电网有限责任公司 | A kind of adjustable look-ahead device |
| CN110069013A (en) * | 2019-03-19 | 2019-07-30 | 广东电网有限责任公司 | A kind of Advanced Process control method and device |
-
2017
- 2017-06-26 CN CN201710495105.2A patent/CN107092191A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110069013A (en) * | 2019-03-19 | 2019-07-30 | 广东电网有限责任公司 | A kind of Advanced Process control method and device |
| CN110069013B (en) * | 2019-03-19 | 2022-03-29 | 广东电网有限责任公司 | High-order process control method and device |
| CN109932898A (en) * | 2019-03-29 | 2019-06-25 | 广东电网有限责任公司 | A kind of adjustable look-ahead device |
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