CN106982019A - A kind of method and apparatus for controlling compressor behavior - Google Patents
A kind of method and apparatus for controlling compressor behavior Download PDFInfo
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- CN106982019A CN106982019A CN201710380371.0A CN201710380371A CN106982019A CN 106982019 A CN106982019 A CN 106982019A CN 201710380371 A CN201710380371 A CN 201710380371A CN 106982019 A CN106982019 A CN 106982019A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P21/00—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
- H02P21/0003—Control strategies in general, e.g. linear type, e.g. P, PI, PID, using robust control
- H02P21/001—Control strategies in general, e.g. linear type, e.g. P, PI, PID, using robust control using fuzzy control
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Abstract
The invention provides a kind of method and apparatus for controlling compressor behavior, wherein, this method includes：Fuzzy polling list is created, the fuzzy polling list includes the corresponding relation of at least one speed error value, velocity error rate of change value and adjusted value three；Also include：Determine the present speed error amount formed during compressor operating；According to the present speed error amount, it is determined that the present speed error rate value within the default time cycle；The current Fitting Values corresponding with the present speed error amount and the present speed error rate value are searched in the fuzzy polling list；Using the current Fitting Values, present speed ring proportional gain parameter is adjusted；Using the present speed ring proportional gain parameter after adjustment, the running status of the compressor is controlled.The scheme that the present invention is provided can shorten the adjustment time of velocity loop proportional gain parameter.
Description
Technical field
The present invention relates to technical field of motors, more particularly to a kind of method and apparatus for controlling compressor behavior.
Background technology
In recent years, permanent magnet synchronous DC motor-drive technique is widely used on frequency conversion refrigerator.Compressor system
System is made up of under closed loop electric current loop, position ring and speed ring, wherein, speed ring is to influence the key factor of the stability of a system,
Therefore, how to be skill by ring proportional gain state modulator compressor behavior of regulating the speed during compressor operating
Art personnel concern always.
At present, it is general to be regulated the speed ring proportional gain parameter, and then the fortune of control compressor using the method for artificially trying to gather
Row state.For example, the velocity loop proportional gain parameter of determination is inputted compressor by technical staff, so that compressor is according to input
Velocity loop proportional gain parameter adjustment running status, technical staff determines new velocity loop proportional according to the running status of compressor
Gain parameter, by that analogy, until compressor reaches speed command value and stable operation.
But, artificial trial and error procedure, which carries out once adjustment, needs longer time.
The content of the invention
The embodiments of the invention provide a kind of method and apparatus for controlling compressor behavior, speed ring ratio can be shortened
The adjustment time of example gain parameter.
In a first aspect, the embodiments of the invention provide a kind of method for controlling compressor behavior, creating fuzzy control
Inquiry table, the fuzzy polling list includes at least one speed error value, velocity error rate of change value and adjusted value three
The corresponding relation of person；Also include：
Determine the present speed error amount formed during compressor operating；
According to the present speed error amount, it is determined that the present speed error rate value within the default time cycle；
Searched and the present speed error amount and the present speed error change in the fuzzy polling list
Rate is worth corresponding current Fitting Values；
Using the current Fitting Values, present speed ring proportional gain parameter is adjusted；
Using the present speed ring proportional gain parameter after adjustment, the running status of the compressor is controlled.
Preferably,
In the fuzzy polling list, the speed error value is in the velocity error pre-set is interval；It is described
Velocity error rate of change value is in the velocity error rate of change pre-set is interval；
Searched and the present speed error amount and the present speed error change in the fuzzy polling list
Rate is worth before corresponding current Fitting Values, further comprises：
The present speed error amount is judged whether in the velocity error is interval, if it is, judging the current speed
Error rate value is spent whether in the velocity error rate of change is interval, if it is, being looked into described in performing in the fuzzy control
Ask and the current Fitting Values corresponding with the present speed error amount and the present speed error rate value are searched in table.
Preferably,
Further comprise：
When the present speed error amount is not in the velocity error is interval, judge that the present speed error amount is
The no minimum value less than the velocity error in interval, if it is, using predetermined first adjusted value, to the current speed
Degree ring proportional gain parameter is adjusted, and performs the present speed ring proportional gain parameter using after adjustment, controls institute
State the running status of compressor；Otherwise, using predetermined second adjusted value, to the present speed ring proportional gain parameter
It is adjusted, and performs the present speed ring proportional gain parameter using after adjustment, controls the operation shape of the compressor
State.
Preferably,
When the present speed error rate value is not interval in the velocity error rate of change, the current speed is judged
Spend error rate value whether be less than the velocity error rate of change it is interval in minimum value, if it is, using predetermined
3rd adjusted value, is adjusted to the present speed ring proportional gain parameter, and performs the current speed using after adjustment
Ring proportional gain parameter is spent, the running status of the compressor is controlled；Otherwise, using predetermined 4th adjusted value, to institute
State present speed ring proportional gain parameter to be adjusted, and perform the present speed ring proportional gain ginseng using after adjustment
Number, controls the running status of the compressor.
Preferably,
The current Fitting Values are utilized described, after being adjusted to present speed ring proportional gain parameter, described
Using the present speed ring proportional gain parameter after adjustment, before the running status for controlling the compressor, further comprise：
Judge the present speed ring proportional gain parameter after adjustment whether not less than the first boundary value pre-set
And it is not more than the second boundary value pre-set, if it is, performing the present speed ring proportional gain ginseng using after adjustment
Number, controls the running status of the compressor.
Preferably,
Further comprise：
When the present speed ring proportional gain parameter after adjustment is less than the first boundary value pre-set, institute is utilized
State the running status that first boundary value controls the compressor.
Or,
Further comprise：
When the present speed ring proportional gain parameter after adjustment is more than the second boundary value pre-set, institute is utilized
State the running status that the second boundary value controls the compressor.
Second aspect, the embodiments of the invention provide a kind of device of control compressor behavior, including：
Creating unit, for creating fuzzy polling list, the fuzzy polling list is missed including at least one speed
The corresponding relation of difference, velocity error rate of change value and adjusted value three；
Determining unit, for the present speed error amount for determining to be formed during compressor operating；According to the current speed
Error amount is spent, it is determined that the present speed error rate value within the default time cycle；
Query unit, list is determined for being searched in the fuzzy polling list that the creating unit is created with described
The present speed error amount and the corresponding current Fitting Values of the present speed error rate value that member is determined；
Adjustment unit, for the current Fitting Values searched using the query unit, is increased to present speed ring ratio
Beneficial parameter is adjusted；
Control unit, for using the present speed ring proportional gain parameter after adjustment unit adjustment, control to be described
The running status of compressor.
Preferably,
In the fuzzy polling list, the speed error value is in the velocity error pre-set is interval；It is described
Velocity error rate of change value is in the velocity error rate of change pre-set is interval；
Further comprise：
First judging unit, for judging the present speed error amount of the determining unit determination whether in the speed
Spend in error burst, if it is, judging the present speed error rate value of the determining unit determination whether described
In velocity error rate of change is interval, if it is, triggering the query unit.
Preferably,
First judging unit, is further used for when the present speed error amount that the determining unit is determined does not exist
When in the velocity error is interval, the minimum whether the present speed error amount is less than in velocity error interval is judged
Value, if it is, using predetermined first adjusted value, being adjusted to the present speed ring proportional gain parameter, and touch
Send out described control unit；Otherwise, using predetermined second adjusted value, the present speed ring proportional gain parameter is carried out
Adjustment, and trigger described control unit.
Preferably,
First judging unit, is further used for when the present speed error rate value is not in the velocity error
When rate of change is interval, judge whether the present speed error rate value is less than in velocity error rate of change interval most
Small value, if it is, using predetermined 3rd adjusted value, the present speed ring proportional gain parameter is adjusted, and
Trigger described control unit；Otherwise, using predetermined 4th adjusted value, the present speed ring proportional gain parameter is entered
Row adjustment, and trigger described control unit.
Preferably,
Further comprise：
Second judging unit, for judging that the present speed ring proportional gain parameter after adjustment unit adjustment is
It is no not less than the first boundary value pre-set and to be not more than the second boundary value that pre-sets, if it is, the triggering control
Unit.
Preferably,
Second judging unit, be further used for when adjustment after the present speed ring proportional gain parameter be less than set in advance
During the first boundary value put, the running status of the compressor is controlled using the first boundary value；
Or,
Second judging unit, be further used for when adjustment after the present speed ring proportional gain parameter be more than set in advance
During the second boundary value put, the running status of the compressor is controlled using the second boundary value.
The embodiments of the invention provide it is a kind of control compressor behavior method and apparatus, wherein, this method according to
The present speed error amount formed during compressor operating, determines present speed error rate value, and according to present speed
The fuzzy polling list that error amount and the inquiry of present speed error rate value are created, determines current Fitting Values, and utilize tune
The running status of present speed ring proportional gain state modulator compressor after whole.This method can using the time cycle as interval,
Automatically present speed ring proportional gain parameter is adjusted, until the speed of compressor reaches speed command value and stable fortune
OK, compared with artificial trial and error procedure, shorten the adjustment time of velocity loop proportional gain parameter, improve compressor control efficiency.
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 the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is a kind of method flow diagram for control compressor behavior that one embodiment of the invention is provided；
Fig. 2 is a kind of method flow diagram for control compressor behavior that another embodiment of the present invention is provided；
Fig. 3 is a kind of apparatus structure schematic diagram for control compressor behavior that one embodiment of the invention is provided；
Fig. 4 is a kind of apparatus structure schematic diagram for control compressor behavior that another embodiment of the present invention is provided；
Fig. 5 is a kind of apparatus structure schematic diagram for control compressor behavior that another embodiment of the invention is provided.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments, based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained on the premise of creative work is not made, belongs to the scope of protection of the invention.
As shown in figure 1, the embodiments of the invention provide a kind of method for controlling compressor behavior, this method can be wrapped
Include following steps：
Step 101：Fuzzy polling list is created, fuzzy polling list includes at least one speed error value, speed
Error rate value and the corresponding relation of adjusted value three；
Step 102：Determine the present speed error amount formed during compressor operating；
Step 103：According to present speed error amount, it is determined that the present speed error rate within the default time cycle
Value；
Step 104：Searched and present speed error amount and present speed error rate value in fuzzy polling list
Corresponding current Fitting Values；
Step 105：Using current Fitting Values, present speed ring proportional gain parameter is adjusted；
Step 106：Using the present speed ring proportional gain parameter after adjustment, the running status of compressor is controlled.
In the embodiment of the present invention shown in Fig. 1, this method is missed according to the present speed formed during compressor operating
Difference, determines present speed error rate value, and inquire about according to present speed error amount and present speed error rate value
The fuzzy polling list of establishment, determines current Fitting Values, and utilize the present speed ring proportional gain state modulator after adjustment
The running status of compressor.This method can be carried out to present speed ring proportional gain parameter automatically using the time cycle as interval
Adjustment, until the speed of compressor reaches speed command value and stable operation, compared with artificial trial and error procedure, shortens velocity loop proportional
The adjustment time of gain parameter, improves compressor control efficiency.
Using speed error value as row/column, using velocity error rate of change value as column/row, using adjusted value as cell content, wound
Fuzzy polling list is built, in practical application scene, target velocity error amount A, target velocity error rate value B are corresponding
Adjusted value can be determined according to compressor history data.
In one embodiment of the invention, in order to ensure compressor stable operation, prevent adjusted value is excessive from causing compression
Machine failure, in fuzzy polling list, speed error value is in the velocity error pre-set is interval；Velocity error rate of change
Value is in the velocity error rate of change pre-set is interval；
Searched in fuzzy polling list corresponding with present speed error amount and present speed error rate value
Before current Fitting Values, in addition to：
Present speed error amount is judged whether in velocity error is interval, if it is, judging present speed error rate
Whether value searches and present speed error in velocity error rate of change is interval if it is, performing in fuzzy polling list
Value and the corresponding current Fitting Values of present speed error rate value.
Wherein, when it is determined that present speed error amount is in the velocity error that pre-sets is interval and present speed error becomes
When rate value is in the velocity error rate of change pre-set is interval, it can be determined currently by inquiring about fuzzy polling list
Adjusted value.
In one embodiment of the invention, there is a situation where two kinds can not inquire about fuzzy polling list：
Situation 1：This method also includes：When present speed error amount is not in velocity error is interval, present speed is judged
Whether error amount is less than the minimum value in velocity error interval, if it is, using predetermined first adjusted value, to current speed
Degree ring proportional gain parameter is adjusted, and is performed using the present speed ring proportional gain parameter after adjustment, controls compressor
Running status；Otherwise, using predetermined second adjusted value, present speed ring proportional gain parameter is adjusted, and
Perform the running status that compressor is controlled using the present speed ring proportional gain parameter after adjustment.
Situation 2：This method also includes：When present speed error rate value is not interval in velocity error rate of change, sentence
Whether disconnected present speed error rate value is less than the minimum value in velocity error rate of change interval, if it is, utilizing true in advance
The 3rd fixed adjusted value, is adjusted to present speed ring proportional gain parameter, and performs the present speed ring after utilization adjustment
Proportional gain parameter, controls the running status of compressor；Otherwise, using predetermined 4th adjusted value, to present speed ring
Proportional gain parameter is adjusted, and performs the fortune that compressor is controlled using the present speed ring proportional gain parameter after adjustment
Row state.
For example, velocity error interval be [- 1800,1800], when it is determined that present speed error amount be more than 1800 when, second
Adjusted value be -500, when it is determined that speed error value be less than -1800 when, the first adjusted value be 500.Due to velocity error interval one
As with origin symmetry, therefore, the absolute value of the first adjusted value and the second adjusted value is typically identical.Present speed error rate value
Processing it is similar with the processing procedure of present speed error amount, here is omitted.
In one embodiment of the invention, in order to ensure compressor stable operation, it is necessary to limit velocity loop proportional gain
The size of parameter.Current Fitting Values are being utilized, after being adjusted to present speed ring proportional gain parameter, after using adjustment
Present speed ring proportional gain parameter, control compressor running status before, further comprise：
Judge the present speed ring proportional gain parameter after adjustment whether not less than the first boundary value that pre-sets and not
More than the second boundary value pre-set, the present speed ring proportional gain parameter after adjustment, control pressure are utilized if it is, performing
The running status of contracting machine.
For example, first boundary value is 1000, the second boundary value is 10000, the present speed ring proportional gain ginseng after adjustment
When numerical digit is in interval [1000,10000], according to the operation of the present speed ring proportional gain parameter adjustment compressor after adjustment
State.
In one embodiment of the invention, present speed ring proportional gain parameter after adjustment is not in first boundary value
When in the interval determined with the second boundary value, there are two kinds of situations：
Situation A：This method also includes：Present speed ring proportional gain parameter after adjustment is less than first pre-set
During boundary value, the running status of compressor is controlled using first boundary value；
Situation B：This method also includes：Present speed ring proportional gain parameter after adjustment is more than second pre-set
During boundary value, the running status of compressor is controlled using the second boundary value.
For example, based on upper one embodiment, when the present speed ring proportional gain parameter after adjustment is less than 1000, utilizing
The running status of 1000 control compressors, when the present speed ring proportional gain parameter after adjustment is more than 10000, is utilized
The running status of 10000 control compressors.
As shown in Fig. 2 the embodiment of the present invention is interval interior, current in the velocity error pre-set with present speed error amount
Exemplified by velocity error rate of change value is in the velocity error rate of change pre-set is interval, the side to controlling compressor behavior
Method is described in detail, and this method comprises the following steps：
Step 201：Fuzzy polling list is created, fuzzy polling list includes at least one speed error value, speed
The corresponding relation of error rate value and adjusted value three, setting first boundary value, the second boundary value.
It is that 1000, the second boundary value is 10000 to determine first boundary value.
The fuzzy polling list of establishment is as shown in table 1 below：
Wherein, B represents that speed error value, A velocity errors rate of change value, C represent adjusted value.
The fuzzy polling list of table 1
Step 202：Determine the present speed error amount formed during compressor operating.
The speed actual value for obtaining two time points that time interval is 10ms is 1000,1500, wherein, 1500 be current
The speed actual value at moment, 1000 be the speed actual value before current time during 10ms；When speed command value is 2000, when
Preceding speed error value is -500.
Step 203：According to present speed error amount, it is determined that the present speed error rate within the default time cycle
Value.
Present speed error rate value is 50.
Step 204：Searched and present speed error amount and present speed error rate value in fuzzy polling list
Corresponding current Fitting Values.
Fuzzy polling list is searched according to present speed error amount -500 and present speed error rate value 50, it is determined that
Current Fitting Values are -100.
If it should be noted that when present speed error amount is not equal to any one in speed error value, using with working as
The minimum speed error value of the difference of preceding speed error value is inquired about, for example, present speed error amount is -500, then utilizes speed
Degree error amount -600 is inquired about.Present speed error rate value is similar with the querying method of present speed error amount, herein
Repeat no more.
Step 205：Using current Fitting Values, present speed ring proportional gain parameter is adjusted.
Present speed ring proportional gain parameter is kp=1600, the present speed ring proportional gain parameter after adjustment is kp=
1500。
Step 206：Judge the present speed ring proportional gain parameter after adjustment whether not less than the first side pre-set
Dividing value and the second boundary value no more than pre-set, if it is, performing step 207, otherwise, perform step 208.
Velocity loop proportional gain parameter 1500 after adjustment is more than first boundary value and is less than the second boundary value, performs step
207。
Step 207：Using the present speed ring proportional gain parameter after adjustment, the running status of compressor is controlled, and eventually
Only current process.
Using the velocity loop proportional gain parameter 1500 after adjustment, the running status of compressor is controlled.
Step 208：Judge whether the present speed ring proportional gain parameter after adjustment is less than the first border pre-set
Value, if it is, performing step 209, otherwise, performs step 210.
In the present embodiment, if the velocity loop proportional gain parameter after adjustment is less than 1000 (for example, 900), perform
Step 209, otherwise, illustrate that the velocity loop proportional gain parameter after adjustment is more than 10000 (for example, 10020), perform step 210.
Step 209：The running status of compressor is controlled using first boundary value.
Velocity loop proportional gain parameter after by the use of 1000 as adjustment, controls the running status of compressor.
Step 210：The running status of compressor is controlled using the second boundary value.
Velocity loop proportional gain parameter after by the use of 10000 as adjustment, controls the running status of compressor.
As shown in figure 3, the embodiments of the invention provide a kind of device of control compressor behavior, including：
Creating unit 301, for creating fuzzy polling list, fuzzy polling list includes at least one velocity error
Value, velocity error rate of change value and the corresponding relation of adjusted value three；
Determining unit 302, for the present speed error amount for determining to be formed during compressor operating；According to present speed
Error amount, it is determined that the present speed error rate value within the default time cycle；
Query unit 303, for being searched and determining unit 302 in the fuzzy polling list that creating unit 301 is created
The present speed error amount and the corresponding current Fitting Values of present speed error rate value of determination；
Adjustment unit 304, for the current Fitting Values searched using query unit 303, to present speed ring proportional gain
Parameter is adjusted；
Control unit 305, for utilizing the present speed ring proportional gain parameter after the adjustment of adjustment unit 304, control pressure
The running status of contracting machine.
In one embodiment of the invention, in fuzzy polling list, speed error value is in the speed pre-set
In error burst；Velocity error rate of change value is in the velocity error rate of change pre-set is interval；
As shown in figure 4, the device also includes：First judging unit 306, for judging that it is current that determining unit 302 is determined
Whether speed error value is in velocity error is interval, if it is, judging the present speed error rate that determining unit 302 is determined
Whether value is in velocity error rate of change is interval, if it is, triggering query unit 303.
In one embodiment of the invention, the first judging unit 306, is further used for what is determined when determining unit 302
When present speed error amount is not in velocity error is interval, judge whether present speed error amount is less than in velocity error interval
Minimum value, if it is, using predetermined first adjusted value, being adjusted to present speed ring proportional gain parameter, and touch
Send out control unit 305；Otherwise, using predetermined second adjusted value, present speed ring proportional gain parameter is adjusted,
And trigger control unit 305；
In one embodiment of the invention, the first judging unit 306, is further used for what is determined when determining unit 302
Present speed error rate value when velocity error rate of change is interval, does not judge whether present speed error rate value is less than
Minimum value during velocity error rate of change is interval, if it is, using predetermined 3rd adjusted value, to present speed ring ratio
Gain parameter is adjusted, and trigger control unit 305；Otherwise, using predetermined 4th adjusted value, to present speed ring
Proportional gain parameter is adjusted, and trigger control unit 305.
In one embodiment of the invention, as shown in figure 5, the device also includes：
Second judging unit 307, for whether judging the present speed ring proportional gain parameter after the adjustment of adjustment unit 304
The second boundary value pre-set not less than the first boundary value pre-set and no more than, if it is, trigger control unit
305。
In one embodiment of the invention, the second judging unit 307, is further used for present speed ring after adjustment
When proportional gain parameter is less than the first boundary value pre-set, the running status of compressor is controlled using first boundary value；
Or,
Second judging unit 307, be further used for when adjustment after present speed ring proportional gain parameter be more than set in advance
During the second boundary value put, the running status of compressor is controlled using the second boundary value.
The contents such as the information exchange between each unit, implementation procedure in said apparatus, due to implementing with the inventive method
Example is based on same design, and particular content can be found in the narration in the inventive method embodiment, and here is omitted.
To sum up, each embodiment of the invention at least has the effect that：
1st, in embodiments of the present invention, this method is according to the present speed error amount formed during compressor operating, really
Settled preceding velocity error rate of change value, and the mould created is inquired about according to present speed error amount and present speed error rate value
Control query table is pasted, current Fitting Values are determined, and utilize the present speed ring proportional gain state modulator compressor after adjustment
Running status.This method can be adjusted to present speed ring proportional gain parameter automatically using the time cycle as interval, until
The speed of compressor reaches speed command value and stable operation, compared with artificial trial and error procedure, shortens velocity loop proportional gain parameter
Adjustment time, improve compressor control efficiency.
2nd, in embodiments of the present invention, if present speed error amount is not in the interval interior or present speed error of velocity error
When rate of change value is not in velocity error rate of change is interval, can by predetermined first adjusted value, the second adjusted value or
3rd adjusted value, the 4th adjusted value are adjusted to present speed ring proportional gain parameter, to ensure the stable operation of compressor.
3rd, in embodiments of the present invention, view picture degree can be exchanged by the first boundary value and the second boundary value pre-set
It is defined, the adjustment amplitude to ensure velocity loop proportional gain parameter maintains the stable fortune of compressor in controllable scope
OK, it is to avoid adjustment amplitude is excessive to cause compressor fault.
It should be noted that herein, such as first and second etc relational terms are used merely to an entity
Or operation makes a distinction with another entity or operation, and not necessarily require or imply exist between these entities or operation
Any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant be intended to it is non-
It is exclusive to include, so that process, method, article or equipment including a series of key elements not only include those key elements,
But also other key elements including being not expressly set out, or also include solid by this process, method, article or equipment
Some key elements.In the absence of more restrictions, the key element limited by sentence " including one ", is not arranged
Except also there is other identical factor in the process including the key element, method, article or equipment.
It is last it should be noted that：Presently preferred embodiments of the present invention is the foregoing is only, the skill of the present invention is merely to illustrate
Art scheme, is not intended to limit the scope of the present invention.Any modification for being made within the spirit and principles of the invention,
Equivalent substitution, improvement etc., are all contained in protection scope of the present invention.
Claims (10)
1. a kind of method for controlling compressor behavior, it is characterised in that create fuzzy polling list, the fuzzy control
Inquiry table includes the corresponding relation of at least one speed error value, velocity error rate of change value and adjusted value three；Also include：
Determine the present speed error amount formed during compressor operating；
According to the present speed error amount, it is determined that the present speed error rate value within the default time cycle；
Searched and the present speed error amount and the present speed error rate value in the fuzzy polling list
Corresponding current Fitting Values；
Using the current Fitting Values, present speed ring proportional gain parameter is adjusted；
Using the present speed ring proportional gain parameter after adjustment, the running status of the compressor is controlled.
2. according to the method described in claim 1, it is characterised in that
In the fuzzy polling list, the speed error value is in the velocity error pre-set is interval；The speed
Error rate value is in the velocity error rate of change pre-set is interval；
Searched and the present speed error amount and the present speed error rate value in the fuzzy polling list
Before corresponding current Fitting Values, further comprise：
The present speed error amount is judged whether in the velocity error is interval, if it is, judging that the present speed is missed
Whether poor rate of change value is in the velocity error rate of change is interval, if it is, performing described in the fuzzy polling list
It is middle to search the current Fitting Values corresponding with the present speed error amount and the present speed error rate value.
3. method according to claim 2, it is characterised in that further comprise：
When the present speed error amount is not in the velocity error is interval, judge whether the present speed error amount is small
Minimum value in the velocity error is interval, if it is, using predetermined first adjusted value, to the present speed ring
Proportional gain parameter is adjusted, and performs the present speed ring proportional gain parameter using after adjustment, controls the pressure
The running status of contracting machine；Otherwise, using predetermined second adjusted value, the present speed ring proportional gain parameter is carried out
Adjustment, and the present speed ring proportional gain parameter using after adjustment is performed, control the running status of the compressor；
And/or,
When the present speed error rate value is not interval in the velocity error rate of change, judge that the present speed is missed
Whether poor rate of change value is less than the minimum value in velocity error rate of change interval, if it is, utilizing the predetermined 3rd
Adjusted value, is adjusted to the present speed ring proportional gain parameter, and performs the present speed ring using after adjustment
Proportional gain parameter, controls the running status of the compressor；Otherwise, using predetermined 4th adjusted value, work as to described
Preceding velocity loop proportional gain parameter is adjusted, and performs the present speed ring proportional gain parameter using after adjustment, control
Make the running status of the compressor.
4. according to the method described in claim 1, it is characterised in that
The current Fitting Values are utilized described, after being adjusted to present speed ring proportional gain parameter, are utilized described
Before present speed ring proportional gain parameter after adjustment, the running status for controlling the compressor, further comprise：
Judge the present speed ring proportional gain parameter after adjustment whether not less than the first boundary value that pre-sets and not
More than the second boundary value pre-set, if it is, performing the present speed ring proportional gain parameter using after adjustment, control
Make the running status of the compressor.
5. method according to claim 4, it is characterised in that further comprise：
When the present speed ring proportional gain parameter after adjustment is less than the first boundary value pre-set, described the is utilized
One boundary value controls the running status of the compressor；
Or,
Further comprise：
When the present speed ring proportional gain parameter after adjustment is more than the second boundary value pre-set, described the is utilized
Two boundary values control the running status of the compressor.
6. a kind of device of control compressor behavior, it is characterised in that including：
Creating unit, for creating fuzzy polling list, the fuzzy polling list include at least one speed error value,
Velocity error rate of change value and the corresponding relation of adjusted value three；
Determining unit, for the present speed error amount for determining to be formed during compressor operating；Missed according to the present speed
Difference, it is determined that the present speed error rate value within the default time cycle；
Query unit, it is true with the determining unit for being searched in the fuzzy polling list that the creating unit is created
The fixed present speed error amount and the corresponding current Fitting Values of the present speed error rate value；
Adjustment unit, for the current Fitting Values searched using the query unit, is joined to the proportional gain of present speed ring
Number is adjusted；
Control unit, for using the present speed ring proportional gain parameter after adjustment unit adjustment, controlling the compression
The running status of machine.
7. device according to claim 6, it is characterised in that
In the fuzzy polling list, the speed error value is in the velocity error pre-set is interval；The speed
Error rate value is in the velocity error rate of change pre-set is interval；
Further comprise：
First judging unit, for judging whether the present speed error amount that the determining unit is determined misses in the speed
It is poor interval interior, if it is, judging the present speed error rate value of the determining unit determination whether in the speed
In error rate is interval, if it is, triggering the query unit.
8. device according to claim 7, it is characterised in that
First judging unit, is further used for the present speed error amount when determining unit determination not described
When in velocity error is interval, the minimum value whether the present speed error amount is less than in velocity error interval is judged, such as
Fruit is, using predetermined first adjusted value, the present speed ring proportional gain parameter to be adjusted, and triggers described
Control unit；Otherwise, using predetermined second adjusted value, the present speed ring proportional gain parameter is adjusted,
And trigger described control unit；
And/or,
First judging unit, is further used for when the present speed error rate value does not change in the velocity error
When rate is interval, the minimum whether the present speed error rate value is less than in velocity error rate of change interval is judged
Value, if it is, using predetermined 3rd adjusted value, being adjusted to the present speed ring proportional gain parameter, and touch
Send out described control unit；Otherwise, using predetermined 4th adjusted value, the present speed ring proportional gain parameter is carried out
Adjustment, and trigger described control unit.
9. device according to claim 6, it is characterised in that further comprise：
Second judging unit, for whether not to judge the present speed ring proportional gain parameter after the adjustment unit adjustment
The second boundary value pre-set less than the first boundary value pre-set and no more than, if it is, triggering described control unit.
10. device according to claim 9, it is characterised in that
Second judging unit, is further used for present speed ring proportional gain parameter after adjustment and is less than what is pre-set
During first boundary value, the running status of the compressor is controlled using the first boundary value；
Or,
Second judging unit, is further used for present speed ring proportional gain parameter after adjustment and is more than what is pre-set
During the second boundary value, the running status of the compressor is controlled using the second boundary value.
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| CN111371378A (en) * | 2020-04-08 | 2020-07-03 | 迈克医疗电子有限公司 | Method and apparatus for speed control |
| CN113162498A (en) * | 2021-04-27 | 2021-07-23 | 谷芯(广州)技术有限公司 | Permanent magnet synchronous motor vector control method and system based on fuzzy PI control |
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Address after: 621050 No. 303 Jiuzhou Road, Fucheng District, Mianyang, Sichuan. Applicant after: Sichuan Hongmei Intelligent Technology Co., Ltd. Address before: 621050 No. 303 Jiuzhou Road, Fucheng District, Mianyang, Sichuan. Applicant before: Mianyang MeiLing Software Technology Co., Ltd. |
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Application publication date: 20170725 |