CN110360145A - Bearing control method and device, storage medium and processor - Google Patents
Bearing control method and device, storage medium and processor Download PDFInfo
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- CN110360145A CN110360145A CN201910667639.8A CN201910667639A CN110360145A CN 110360145 A CN110360145 A CN 110360145A CN 201910667639 A CN201910667639 A CN 201910667639A CN 110360145 A CN110360145 A CN 110360145A
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- bearing
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- 238000000034 method Methods 0.000 title claims abstract description 60
- 238000003860 storage Methods 0.000 title claims abstract description 22
- 239000000725 suspension Substances 0.000 claims abstract description 191
- 230000002159 abnormal effect Effects 0.000 claims description 28
- 230000035945 sensitivity Effects 0.000 claims description 14
- 238000007667 floating Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 12
- 238000004590 computer program Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 8
- 238000012545 processing Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 6
- 241000208340 Araliaceae Species 0.000 description 3
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 3
- 235000003140 Panax quinquefolius Nutrition 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 235000008434 ginseng Nutrition 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
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- 230000003044 adaptive effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/056—Bearings
- F04D29/058—Bearings magnetic; electromagnetic
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
The application discloses a bearing control method, a bearing control device, a storage medium and a processor. The method comprises the following steps: determining a target protection threshold value of the magnetic suspension bearing according to a gap between a rotor and a stator of the magnetic suspension bearing; acquiring position parameters of a rotor of the current magnetic suspension bearing; and adjusting the current running state of the magnetic suspension bearing based on the relation between the current position parameter of the rotor and the target protection threshold value. Through the application, the problem that the stable operation of the magnetic suspension compressor is influenced by setting a fixed protection threshold value for protecting the magnetic suspension bearing in the related art is solved.
Description
Technical field
This application involves field of bearings, in particular to a kind of bearing control method, apparatus, storage medium and processing
Device.
Background technique
Magnetic suspension bearing is a kind of novel high-performance bearing, can use controllable electric magnetic force for rotor suspension in rotor
Center, it is non-to the required precision of rotor operation control due to usually only several hundred μm of the gap of magnetic suspension bearing rotor
Chang Gao, therefore a fixed protection threshold value would generally be set in the control program of magnetic suspension bearing in the related technology, work as rotor
When running precision is more than this threshold value, that is, it can determine whether that magnetic suspension bearing rotor collides, magnetic suspension bearing control system will will do it
Software protection.
But in magnetic suspension centrifugal compressor, many components on rotor require hot charging, due to the material of components
Various factors such as matter, machining accuracy, rigging error, the rotor of the magnetic suspension bearing in different magnetic suspension centrifugal compressors
Gap can be variant, if using fixed protection threshold value, it would be possible to carry out to the operating status of magnetic suspension bearing control system
Erroneous judgement is unfavorable for the Stability and dependability operation of magnetic suspension compressor.
For fixed protection threshold value is set for protection magnetic suspension bearing in the related technology, the steady of magnetic suspension compressor is influenced
Surely the problem of running, currently no effective solution has been proposed.
Summary of the invention
The application provides a kind of bearing control method, apparatus, storage medium and processor, to solve in the related technology to protect
The problem of protecting magnetic suspension bearing and setting fixed protection threshold value, influence the stable operation of magnetic suspension compressor.
According to the one aspect of the application, a kind of bearing control method is provided.This method comprises: according to magnetic suspension bearing
Rotor and stator between gap determine the protection of goal threshold value of magnetic suspension bearing；Obtain the rotor of current magnetic suspension bearing
Location parameter；Relationship between location parameter based on current rotor and protection of goal threshold value adjusts current magnetic suspension bearing
Operating status.
Further, the relationship between the location parameter based on current rotor and protection of goal threshold value adjusts current magnetcisuspension
The operating status that floating axle is held includes: the relationship between the location parameter based on current rotor and protection of goal threshold value, and judgement is current
Whether the operating status of magnetic suspension bearing is abnormal；In the case where the operating status of current magnetic suspension bearing is abnormal,
It is out of service to control magnetic suspension bearing.
Further, the relationship between the location parameter based on current rotor and protection of goal threshold value judges current magnetcisuspension
It includes: to convert target voltage values for protection of goal threshold value that whether the operating status that floating axle is held, which is abnormal,；Obtain magnetic suspension shaft
The voltage value for being used to characterize rotor-position that the sensor held currently exports；Voltage value and target voltage values based on rotor-position
Between comparison result judge whether the operating status of current magnetic suspension bearing is abnormal.
Further, the gap between the rotor and stator according to magnetic suspension bearing determines that the target of magnetic suspension bearing is protected
Shield threshold value includes: to obtain the maximum voltage value and minimum amount of voltage that of the sensor output of magnetic suspension bearing, wherein maximum voltage value
For voltage value of rotor range sensor when farthest, minimum amount of voltage that is voltage value when rotor range sensor is nearest；It is based on
Maximum voltage value and minimum amount of voltage that determine the gap between stator and rotor；Gap between the stator and the rotor meets default
In the case where condition, protection of goal threshold value is determined according to the gap between stator and rotor.
Further, determine that the gap between stator and rotor includes: to obtain based on maximum voltage value and minimum amount of voltage that
The sensitivity parameter of sensor；The sensitivity parameter of difference and sensor based on maximum voltage value and minimum amount of voltage that calculates fixed
Gap between son and rotor.
Further, the protection of goal of magnetic suspension bearing is determined according to the gap between the rotor of magnetic suspension bearing and stator
Threshold value includes: the control precision parameter for obtaining magnetic suspension bearing；Based between stator and rotor gap and magnetic suspension bearing
Control precision parameter determines protection of goal threshold value.
According to the another aspect of the application, a kind of bearing control device is provided.The device comprises determining that unit, is used for
The protection of goal threshold value of magnetic suspension bearing is determined according to the gap between the rotor and stator of magnetic suspension bearing；First obtains list
Member, the location parameter of the rotor for obtaining current magnetic suspension bearing；Adjustment unit, for the location parameter based on current rotor
With the relationship between protection of goal threshold value, the operating status of current magnetic suspension bearing is adjusted.
Further, adjustment unit includes: first judgment module, is protected for the location parameter based on current rotor with target
The relationship between threshold value is protected, judges whether the operating status of current magnetic suspension bearing is abnormal；Control module, for current
In the case that the operating status of magnetic suspension bearing is abnormal, control magnetic suspension bearing is out of service.
To achieve the goals above, according to the another aspect of the application, a kind of storage medium is provided, storage medium includes
The program of storage, wherein program executes any one of the above bearing control method.
To achieve the goals above, according to the another aspect of the application, a kind of processor is provided, processor is for running
Program, wherein program executes any one of the above bearing control method when running.
By the application, using following steps: determining magnetcisuspension according to the gap between the rotor and stator of magnetic suspension bearing
The protection of goal threshold value that floating axle is held；Obtain the location parameter of the rotor of current magnetic suspension bearing；Position ginseng based on current rotor
Relationship between several and protection of goal threshold value, adjusts the operating status of current magnetic suspension bearing, solves in the related technology as guarantor
The problem of protecting magnetic suspension bearing and setting fixed protection threshold value, influence the stable operation of magnetic suspension compressor.According to magnetic suspension shaft
The protection threshold value of gap adjustment magnetic suspension bearing between the rotor and stator held, and then reached stable magnetic suspension compressor
The effect of operating status.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present application, the schematic reality of the application
Example and its explanation are applied for explaining the application, is not constituted an undue limitation on the present application.In the accompanying drawings:
Fig. 1 is the flow chart according to bearing control method provided by the embodiments of the present application；
Fig. 2 be according in bearing control method provided by the embodiments of the present application in magnetic suspension bearing rotor and sensor position
Set relation schematic diagram；
Fig. 3 be according in bearing control method provided by the embodiments of the present application in magnetic suspension bearing rotor and sensor position
Set relation schematic diagram；
Fig. 4 is according to the rotor of magnetic suspension bearing and the gap of stator in bearing control method provided by the embodiments of the present application
Schematic diagram
Fig. 5 is the location parameter and protection of goal according to current rotor in bearing control method provided by the embodiments of the present application
The comparison schematic diagram of threshold value；
Fig. 6 is the flow chart according to optional bearing control method provided by the embodiments of the present application；And
Fig. 7 is the schematic diagram according to bearing control device provided by the embodiments of the present application.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application
Attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is only
The embodiment of the application a part, instead of all the embodiments.Based on the embodiment in the application, ordinary skill people
Member's every other embodiment obtained without making creative work, all should belong to the model of the application protection
It encloses.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to embodiments herein described herein.In addition, term " includes " and " tool
Have " and their any deformation, it is intended that cover it is non-exclusive include, for example, containing a series of steps or units
Process, method, system, product or equipment those of are not necessarily limited to be clearly listed step or unit, but may include without clear
Other step or units listing to Chu or intrinsic for these process, methods, product or equipment.
According to an embodiment of the present application, a kind of bearing control method is provided.
Fig. 1 is the flow chart according to the bearing control method of the embodiment of the present application.As shown in Figure 1, this method includes following
Step:
Step S101 determines the protection of goal of magnetic suspension bearing according to the gap between the rotor and stator of magnetic suspension bearing
Threshold value.
It should be noted that the gap between the rotor and stator of different magnetic suspension bearings is different, according to rotor and determine
The protection threshold value of magnetic suspension bearing is neatly voluntarily corrected in gap between son, and obtained protection of goal threshold value is adapted to magnetcisuspension
The otherness of floating centrifugal compressor.
Gap between stator and rotor is determined by the position of rotor, optionally, in bearing provided by the embodiments of the present application
In control method, the gap between the rotor and stator according to magnetic suspension bearing determines the protection of goal threshold value of magnetic suspension bearing
It include: the maximum voltage value and minimum amount of voltage that for obtaining the sensor output of magnetic suspension bearing, wherein maximum voltage value is rotor
Voltage value when range sensor is farthest, minimum amount of voltage that are voltage value when rotor range sensor is nearest；Based on maximum electricity
Pressure value and minimum amount of voltage that determine the gap between stator and rotor；Gap between the stator and the rotor meets preset condition
In the case of, protection of goal threshold value is determined according to the gap between stator and rotor.
It should be noted that the position of sensor real-time detection rotor, rotor is in magnetic suspension bearing control system
Position in rotor gap is different, and sensor output voltage value is also different.
As shown in Fig. 2, when rotor range sensor is nearest, sensor output voltage value is minimum, such as in the past for X-direction
Shown in Fig. 3, for former X-direction, when rotor range sensor is farthest, sensor output voltage value is maximum.
Since the position of rotor is characterized by the output voltage of sensor, the sensitivity of sensor influences the essence of the position of rotor
Exactness optionally in bearing control method provided by the embodiments of the present application, is determined based on maximum voltage value and minimum amount of voltage that
Gap between stator and rotor includes: the sensitivity parameter for obtaining sensor；Based on maximum voltage value and minimum amount of voltage that
The sensitivity parameter of difference and sensor calculates the gap between stator and rotor.
Specifically, transducer sensitivity SensorEddy is first obtained, is fixed value.Magnetic suspension bearing rotor gap can
Is defined as: ugap=(Vmax-Vmin)/SensorEddy, wherein VmaxFor voltage of rotor range sensor when farthest, VminTo turn
Voltage when sub- range sensor is nearest, the μ of calculatinggapThe motion profile range of rotor up and down is represented, it represents rotor
Bilateral (upper and lower) gap, therefore unilateral (up or down) gap of rotor are as follows: ugaps=(Vmax-Vmin)/(2*SensorEddy), it needs
It is noted that as shown in figure 4, the unilateral limit of sports record of rotor is no more than μgaps, otherwise rotor will collide, serious
Magnetic suspension system can be damaged, thus by ugapsIt is determined as gap needed for calculating protection of goal threshold value.
In practical applications, different magnetic suspension centrifugal compressors is different to the control accuracy requirement of magnetic suspension bearing, can
Selection of land, in bearing control method provided by the embodiments of the present application, according to the gap between the rotor and stator of magnetic suspension bearing
The protection of goal threshold value for determining magnetic suspension bearing includes: the control precision parameter for obtaining magnetic suspension bearing；Based on stator and rotor
Between gap and the control precision parameter of magnetic suspension bearing determine protection of goal threshold value.
Specifically, the control precision parameter Prop of magnetic suspension bearing is obtained, generally 50%~90%, which gets over
Small, representing the stringenter value of magnetic suspension bearing control accuracy requirement can voluntarily adjust according to magnetic suspension compressor individual difference.
After obtaining control precision parameter Prop, magnetic suspension bearing protection threshold value: u is defined in main control MCU according to the following formulap=(Vmax-
Vmin)/(2*SensorEddy) * Prop, thus according to rotor gap and the protection threshold of control precision parameter adjustment bearing
Value, improves the adaptive ability of system.
Step S102 obtains the location parameter of the rotor of current magnetic suspension bearing.
Specifically, according to the voltage value exported using sensor as the location parameter of the rotor of magnetic suspension bearing.
Step S103, the relationship between the location parameter based on current rotor and protection of goal threshold value, adjusts current magnetcisuspension
The operating status that floating axle is held.
In order to protect suspension bearing system in the case where the operation exception of suspension bearing in time, optionally, in this Shen
Please embodiment provide bearing control method in, the relationship between the location parameter based on current rotor and protection of goal threshold value,
The operating status for adjusting current magnetic suspension bearing includes: pass between the location parameter based on current rotor and protection of goal threshold value
System, judges whether the operating status of current magnetic suspension bearing is abnormal；Occur in the operating status of current magnetic suspension bearing different
In the case where often, control magnetic suspension bearing is out of service.
Specifically, the parameter under Same Latitude is converted by the location parameter of current rotor and protection of goal threshold value, when
The location parameter of current rotor is more than protection of goal threshold value, illustrates the operating status starting hardware protection function of magnetic suspension bearing,
It is out of service to control magnetic suspension bearing, so that efficiently solving fixed protection threshold value adaptability difference causes control system erroneous judgement
The problem of.
Optionally, in bearing control method provided by the embodiments of the present application, location parameter and mesh based on current rotor
Relationship between mark protection threshold value, judging whether the operating status of current magnetic suspension bearing is abnormal includes: by protection of goal
Threshold value is converted into target voltage values；Obtain the voltage for being used to characterize rotor-position that the sensor of magnetic suspension bearing currently exports
Value；Comparison result between voltage value and target voltage values based on rotor-position judges the operating status of current magnetic suspension bearing
Whether it is abnormal.
As shown in figure 5, it is voltage value V that protection of goal threshold value, which is adjusted circuit conversion by DAC,1, sensor real-time monitoring
Rotor-position voltage value be V2, wherein V1Connect the positive input of comparator, V2Connect the negative sense input of comparator.Work as V2<V1
When, magnetic suspension compressor stable operation is represented, comparator exports high level；Work as V1<V2When, it is different to represent magnetic suspension compressor operation
Often, comparator exports low level, and low level can trigger bearing controller and carry out hardware protection, to protect magnetic suspension shaft in time
It holds, improves the Stability and dependability of system.
It should be noted that magnetic suspension bearing shares 5 freedom degrees, i.e., 5 sides such as preceding X, preceding Y, rear X, rear Y, axial direction Z
To magnetic suspension bearing guard method in each direction is identical.
Bearing control method provided by the embodiments of the present application, between the rotor and stator according to magnetic suspension bearing
Gap determines the protection of goal threshold value of magnetic suspension bearing；Obtain the location parameter of the rotor of current magnetic suspension bearing；Based on working as forward
Relationship between the location parameter and protection of goal threshold value of son, adjusts the operating status of current magnetic suspension bearing, solves correlation
The problem of fixed protection threshold value is set in technology for protection magnetic suspension bearing, influences the stable operation of magnetic suspension compressor.Root
According to the protection threshold value of the gap adjustment magnetic suspension bearing between the rotor and stator of magnetic suspension bearing, and then stable magnetcisuspension is reached
The effect of the operating status of floating compressor.
According to an embodiment of the present application, a kind of bearing control method is provided.
Fig. 6 is the flow chart according to the optional bearing control method of the embodiment of the present application.As shown in fig. 6, this method packet
Include following steps:
After the controller MCU of magnetic suspension compressor is powered on, the maximum voltage value and minimum that are exported automatically by sensor
Voltage value detects the gap of stator and rotor, and whether the gap for detecting stator and rotor is in normal condition, in abnormal feelings
Under condition, protection threshold value can not be adjusted according to it and protection of goal threshold value is determined according to gap, and pass through DAC under normal conditions
It adjusts circuit and converts voltage value for protection of goal threshold value, and by comparing the position of circuit and the rotor of current sensor output
Voltage value be compared, adjust the positive input of circuit connection comparator in DAC, sensor connects the negative sense input of comparator
In the case where, in the case where comparator device exports high level, illustrate that the rotor of magnetic suspension bearing works well, magnetic suspension compression
Machine normal operation illustrates that the rotor operating of magnetic suspension bearing is abnormal, magnetic suspension pressure in the case where comparator device exports low level situation
Contracting machine is operating abnormally, and starts hardware protection, and control magnetic suspension bearing shuts down, thus neatly voluntarily amendment magnetic suspension centrifugation
The protection threshold value of compressor, while hardware protection function is increased, it efficiently solves fixed protection threshold value adaptability difference and causes
The problem of control system erroneous judgement.
It should be noted that step shown in the flowchart of the accompanying drawings can be in such as a group of computer-executable instructions
It is executed in computer system, although also, logical order is shown in flow charts, and it in some cases, can be with not
The sequence being same as herein executes shown or described step.
The embodiment of the present application also provides a kind of bearing control devices, it should be noted that the bearing of the embodiment of the present application
Control device can be used for executing provided by the embodiment of the present application for bearing control method.The embodiment of the present application is mentioned below
The bearing control device of confession is introduced.
Fig. 7 is the schematic diagram according to the bearing control device of the embodiment of the present application.As shown in fig. 7, the device comprises determining that
Unit 10, first acquisition unit 20 and adjustment unit 30.
Specifically, it is determined that unit 10, determines magnetic suspension for the gap between the rotor and stator according to magnetic suspension bearing
The protection of goal threshold value of bearing.
First acquisition unit 20, the location parameter of the rotor for obtaining current magnetic suspension bearing.
Adjustment unit 30, for the relationship between the location parameter based on current rotor and protection of goal threshold value, adjustment is worked as
The operating status of preceding magnetic suspension bearing.
Optionally, in bearing control device provided by the embodiments of the present application, adjustment unit 30 includes: the first judgement mould
Block judges the fortune of current magnetic suspension bearing for the relationship between the location parameter based on current rotor and protection of goal threshold value
Whether row state is abnormal；Control module, for controlling in the case where the operating status of current magnetic suspension bearing is abnormal
Magnetic suspension bearing processed is out of service.
Optionally, in bearing control device provided by the embodiments of the present application, first judgment module includes: conversion submodule
Block, for converting target voltage values for protection of goal threshold value；First acquisition submodule, for obtaining the sensing of magnetic suspension bearing
The voltage value for being used to characterize rotor-position that device currently exports；Judging submodule, for voltage value and mesh based on rotor-position
Comparison result between mark voltage value judges whether the operating status of current magnetic suspension bearing is abnormal.
Optionally, in bearing control device provided by the embodiments of the present application, determination unit 10 includes: the first acquisition mould
Block, the maximum voltage value and minimum amount of voltage that the sensor for obtaining magnetic suspension bearing exports, wherein maximum voltage value is to turn
Voltage value when sub- range sensor is farthest, minimum amount of voltage that are voltage value when rotor range sensor is nearest；Second judgement
Module, for judging whether maximum voltage value and minimum amount of voltage that meet preset condition；First determining module, in maximum electricity
In the case that pressure value and minimum amount of voltage that meet preset condition, stator and rotor are determined based on maximum voltage value and minimum amount of voltage that
Between gap.
Optionally, in bearing control device provided by the embodiments of the present application, determining module includes: the second acquisition submodule
Block, for obtaining the sensitivity parameter of sensor；Computational submodule, for the difference based on maximum voltage value and minimum amount of voltage that
And the sensitivity parameter of sensor calculates the gap between stator and rotor.
Optionally, in bearing control device provided by the embodiments of the present application, determination unit 10 further include: second obtains mould
Block, for obtaining the control precision parameter of magnetic suspension bearing；Second determining module, for based on the gap between stator and rotor
Protection of goal threshold value is determined with the control precision parameter of magnetic suspension bearing.
Bearing control device provided by the embodiments of the present application according to the rotor of magnetic suspension bearing and is determined by determination unit 10
Gap between son determines the protection of goal threshold value of magnetic suspension bearing；First acquisition unit 20 obtains turning for current magnetic suspension bearing
The location parameter of son；Relationship between location parameter of the adjustment unit 30 based on current rotor and protection of goal threshold value, adjustment are worked as
The operating status of preceding magnetic suspension bearing solves and sets fixed protection threshold value, shadow for protection magnetic suspension bearing in the related technology
The problem of ringing the stable operation of magnetic suspension compressor adjusts magnetic suspension according to the gap between the rotor and stator of magnetic suspension bearing
The protection threshold value of bearing, and then achieved the effect that the operating status of stable magnetic suspension compressor.
The bearing control device includes processor and memory, above-mentioned determination unit 10, first acquisition unit 20 and tune
Whole units 30 etc. store in memory as program unit, execute above procedure list stored in memory by processor
Member realizes corresponding function.
Include kernel in processor, is gone in memory to transfer corresponding program unit by kernel.Kernel can be set one
Or more, protection threshold value, shadow are fixed by adjusting kernel parameter to solve to set in the related technology for protection magnetic suspension bearing
The problem of ringing the stable operation of magnetic suspension compressor.
Memory may include the non-volatile memory in computer-readable medium, random access memory (RAM) and/
Or the forms such as Nonvolatile memory, if read-only memory (ROM) or flash memory (flash RAM), memory include that at least one is deposited
Store up chip.
The embodiment of the invention provides a kind of storage mediums, are stored thereon with program, real when which is executed by processor
The existing bearing control method.
The embodiment of the invention provides a kind of processor, the processor is for running program, wherein described program operation
Bearing control method described in Shi Zhihang.
The embodiment of the invention provides a kind of equipment, equipment include processor, memory and storage on a memory and can
The program run on a processor, processor perform the steps of the rotor and stator according to magnetic suspension bearing when executing program
Between gap determine the protection of goal threshold value of magnetic suspension bearing；Obtain the location parameter of the rotor of current magnetic suspension bearing；Base
Relationship between the location parameter and protection of goal threshold value of current rotor, adjusts the operating status of current magnetic suspension bearing.
Relationship between location parameter based on current rotor and protection of goal threshold value adjusts the fortune of current magnetic suspension bearing
Row state includes: the relationship between the location parameter based on current rotor and protection of goal threshold value, judges current magnetic suspension bearing
Operating status whether be abnormal；In the case where the operating status of current magnetic suspension bearing is abnormal, magnetic suspension is controlled
Bearing is out of service.
Relationship between location parameter based on current rotor and protection of goal threshold value judges the fortune of current magnetic suspension bearing
It includes: to convert target voltage values for protection of goal threshold value that whether row state, which is abnormal,；Obtain the sensor of magnetic suspension bearing
What is currently exported is used to characterize the voltage value of rotor-position；Based on the voltage value of rotor-position compared between target voltage values
As a result judge whether the operating status of current magnetic suspension bearing is abnormal.
Gap between the rotor and stator according to magnetic suspension bearing determines the protection of goal threshold value packet of magnetic suspension bearing
Include: obtain magnetic suspension bearing sensor output maximum voltage value and minimum amount of voltage that, wherein maximum voltage value be rotor away from
From voltage value of sensor when farthest, minimum amount of voltage that is voltage value when rotor range sensor is nearest；Based on maximum voltage
Value and minimum amount of voltage that determine the gap between stator and rotor；Gap between the stator and the rotor meets the feelings of preset condition
Under condition, protection of goal threshold value is determined according to the gap between stator and rotor.
Determine that the gap between stator and rotor includes: the spirit for obtaining sensor based on maximum voltage value and minimum amount of voltage that
Sensitivity parameter；The sensitivity parameter of difference and sensor based on maximum voltage value and minimum amount of voltage that calculate stator and rotor it
Between gap.
The protection of goal threshold value for determining magnetic suspension bearing according to the gap between the rotor and stator of magnetic suspension bearing includes:
Obtain the control precision parameter of magnetic suspension bearing；Control precision ginseng based on gap and magnetic suspension bearing between stator and rotor
Number determines protection of goal threshold value.Equipment herein can be server, PC, PAD, mobile phone etc..
Present invention also provides a kind of computer program products, when executing on data processing equipment, are adapted for carrying out just
The program of beginningization there are as below methods step: magnetic suspension bearing is determined according to the gap between the rotor and stator of magnetic suspension bearing
Protection of goal threshold value；Obtain the location parameter of the rotor of current magnetic suspension bearing；Location parameter and target based on current rotor
The relationship between threshold value is protected, the operating status of current magnetic suspension bearing is adjusted.
Relationship between location parameter based on current rotor and protection of goal threshold value adjusts the fortune of current magnetic suspension bearing
Row state includes: the relationship between the location parameter based on current rotor and protection of goal threshold value, judges current magnetic suspension bearing
Operating status whether be abnormal；In the case where the operating status of current magnetic suspension bearing is abnormal, magnetic suspension is controlled
Bearing is out of service.
Relationship between location parameter based on current rotor and protection of goal threshold value judges the fortune of current magnetic suspension bearing
It includes: to convert target voltage values for protection of goal threshold value that whether row state, which is abnormal,；Obtain the sensor of magnetic suspension bearing
What is currently exported is used to characterize the voltage value of rotor-position；Based on the voltage value of rotor-position compared between target voltage values
As a result judge whether the operating status of current magnetic suspension bearing is abnormal.
Gap between the rotor and stator according to magnetic suspension bearing determines the protection of goal threshold value packet of magnetic suspension bearing
Include: obtain magnetic suspension bearing sensor output maximum voltage value and minimum amount of voltage that, wherein maximum voltage value be rotor away from
From voltage value of sensor when farthest, minimum amount of voltage that is voltage value when rotor range sensor is nearest；Based on maximum voltage
Value and minimum amount of voltage that determine the gap between stator and rotor；Gap between the stator and the rotor meets the feelings of preset condition
Under condition, protection of goal threshold value is determined according to the gap between stator and rotor.
Determine that the gap between stator and rotor includes: the spirit for obtaining sensor based on maximum voltage value and minimum amount of voltage that
Sensitivity parameter；The sensitivity parameter of difference and sensor based on maximum voltage value and minimum amount of voltage that calculate stator and rotor it
Between gap.
The protection of goal threshold value for determining magnetic suspension bearing according to the gap between the rotor and stator of magnetic suspension bearing includes:
Obtain the control precision parameter of magnetic suspension bearing；Control precision ginseng based on gap and magnetic suspension bearing between stator and rotor
Number determines protection of goal threshold value.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
In a typical configuration, calculating equipment includes one or more processors (CPU), input/output interface, net
Network interface and memory.
Memory may include the non-volatile memory in computer-readable medium, random access memory (RAM) and/
Or the forms such as Nonvolatile memory, such as read-only memory (ROM) or flash memory (flash RAM).Memory is computer-readable Jie
The example of matter.
Computer-readable medium includes permanent and non-permanent, removable and non-removable media can be by any method
Or technology come realize information store.Information can be computer readable instructions, data structure, the module of program or other data.
The example of the storage medium of computer includes, but are not limited to phase change memory (PRAM), static random access memory (SRAM), moves
State random access memory (DRAM), other kinds of random access memory (RAM), read-only memory (ROM), electric erasable
Programmable read only memory (EEPROM), flash memory or other memory techniques, read-only disc read only memory (CD-ROM) (CD-ROM),
Digital versatile disc (DVD) or other optical storage, magnetic cassettes, tape magnetic disk storage or other magnetic storage devices
Or any other non-transmission medium, can be used for storage can be accessed by a computing device information.As defined in this article, it calculates
Machine readable medium does not include temporary computer readable media (transitory media), such as the data-signal and carrier wave of modulation.
It should also be noted that, the terms "include", "comprise" or its any other variant are intended to nonexcludability
It include so that the process, method, commodity or the equipment that include a series of elements not only include those elements, but also to wrap
Include other elements that are not explicitly listed, or further include for this process, method, commodity or equipment intrinsic want
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including element
There is also other identical elements in process, method, commodity or equipment.
It will be understood by those skilled in the art that embodiments herein can provide as method, system or computer program product.
Therefore, complete hardware embodiment, complete software embodiment or embodiment combining software and hardware aspects can be used in the application
Form.It is deposited moreover, the application can be used to can be used in the computer that one or more wherein includes computer usable program code
The shape for the computer program product implemented on storage media (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
Formula.
The above is only embodiments herein, are not intended to limit this application.To those skilled in the art,
Various changes and changes are possible in this application.It is all within the spirit and principles of the present application made by any modification, equivalent replacement,
Improve etc., it should be included within the scope of the claims of this application.
Claims (10)
1. a kind of bearing control method characterized by comprising
The protection of goal threshold value of the magnetic suspension bearing is determined according to the gap between the rotor and stator of magnetic suspension bearing；
Obtain the location parameter of the rotor of presently described magnetic suspension bearing；
Relationship between location parameter and the protection of goal threshold value based on presently described rotor, adjusts presently described magnetic suspension
The operating status of bearing.
2. the method according to claim 1, wherein location parameter and the target based on presently described rotor
The relationship between threshold value is protected, the operating status for adjusting presently described magnetic suspension bearing includes:
Relationship between location parameter and the protection of goal threshold value based on presently described rotor, judges presently described magnetic suspension
Whether the operating status of bearing is abnormal；
In the case where the operating status of presently described magnetic suspension bearing is abnormal, controls the magnetic suspension bearing and stop fortune
Row.
3. according to the method described in claim 2, it is characterized in that, location parameter and the target based on presently described rotor
The relationship between threshold value is protected, judging whether the operating status of presently described magnetic suspension bearing is abnormal includes:
Target voltage values are converted by the protection of goal threshold value；
Obtain the voltage value for being used to characterize the rotor-position that the sensor of the magnetic suspension bearing currently exports；
Comparison result between voltage value and the target voltage values based on the rotor-position judges presently described magnetic suspension
Whether the operating status of bearing is abnormal.
4. the method according to claim 1, wherein according to the gap between the rotor and stator of magnetic suspension bearing
The protection of goal threshold value for determining the magnetic suspension bearing includes:
Obtain the maximum voltage value and minimum amount of voltage that of the sensor output of the magnetic suspension bearing, wherein the maximum voltage
Value is voltage value of the rotor apart from the sensor when farthest, and the minimum amount of voltage that is the rotor apart from the sensing
Voltage value when device is nearest；
The gap between the stator and the rotor is determined based on the maximum voltage value and the minimum amount of voltage that；
In the case that gap between the stator and the rotor meets preset condition, according to the rotor and the stator
Between gap determine the protection of goal threshold value.
5. according to the method described in claim 4, it is characterized in that, true based on the maximum voltage value and the minimum amount of voltage that
Gap between the fixed stator and the rotor includes:
Obtain the sensitivity parameter of the sensor；
Described in the sensitivity parameter of difference and the sensor based on the maximum voltage value and the minimum amount of voltage that calculates
Gap between stator and the rotor.
6. the method according to claim 1, wherein according to the gap between the rotor and stator of magnetic suspension bearing
The protection of goal threshold value for determining the magnetic suspension bearing includes:
Obtain the control precision parameter of the magnetic suspension bearing；
The mesh is determined based on the control precision parameter in gap and the magnetic suspension bearing between the stator and the rotor
Mark protection threshold value.
7. a kind of bearing control device characterized by comprising
Determination unit determines the target of the magnetic suspension bearing for the gap between the rotor and stator according to magnetic suspension bearing
Protect threshold value；
First acquisition unit, the location parameter of the rotor for obtaining presently described magnetic suspension bearing；
Adjustment unit, for the location parameter based on presently described rotor and the relationship between the protection of goal threshold value, adjustment
The operating status of presently described magnetic suspension bearing.
8. device according to claim 7, which is characterized in that adjustment unit includes:
First judgment module, for the location parameter based on presently described rotor and the relationship between the protection of goal threshold value,
Judge whether the operating status of presently described magnetic suspension bearing is abnormal；
Control module, for controlling the magnetcisuspension in the case where the operating status of presently described magnetic suspension bearing is abnormal
Floating axle holds out of service.
9. a kind of storage medium, which is characterized in that the storage medium includes the program of storage, wherein described program right of execution
Benefit require any one of 1 to 6 described in bearing control method.
10. a kind of processor, which is characterized in that the processor is for running program, wherein right of execution when described program is run
Benefit require any one of 1 to 6 described in bearing control method.
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| CN201910667639.8A CN110360145B (en) | 2019-07-23 | 2019-07-23 | Bearing control method and device, storage medium and processor |
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| CN201910667639.8A CN110360145B (en) | 2019-07-23 | 2019-07-23 | Bearing control method and device, storage medium and processor |
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| CN110360145A true CN110360145A (en) | 2019-10-22 |
| CN110360145B CN110360145B (en) | 2020-08-11 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111536054A (en) * | 2020-04-29 | 2020-08-14 | 佛山格尼斯磁悬浮技术有限公司 | Magnetic suspension centrifugal air compressor system and monitoring method thereof |
| CN112211909A (en) * | 2020-10-10 | 2021-01-12 | 珠海格力电器股份有限公司 | Current control method, device and system for magnetic bearing |
| CN112879429A (en) * | 2021-01-11 | 2021-06-01 | 珠海格力电器股份有限公司 | Magnetic suspension system, control method and device thereof, storage medium and processor |
| CN112959892A (en) * | 2021-04-14 | 2021-06-15 | 北京磁浮交通发展有限公司 | Suspension control method and system for magnetic suspension train |
| CN113014145A (en) * | 2021-03-17 | 2021-06-22 | 苏州保邦电气有限公司 | Control system and method of magnetic suspension motor and storage medium |
| CN114135580A (en) * | 2021-11-04 | 2022-03-04 | 珠海格力电器股份有限公司 | Position evaluation method and device for magnetic bearing rotor |
| CN114233751A (en) * | 2021-12-21 | 2022-03-25 | 珠海格力电器股份有限公司 | Control method and device of magnetic suspension bearing, magnetic suspension system and storage medium |
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| CN109630545A (en) * | 2018-12-17 | 2019-04-16 | 燕山大学 | A kind of Single Degree of Freedom Magnetic liquid dual suspension bearing double closed-loop control system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111536054A (en) * | 2020-04-29 | 2020-08-14 | 佛山格尼斯磁悬浮技术有限公司 | Magnetic suspension centrifugal air compressor system and monitoring method thereof |
| CN112211909A (en) * | 2020-10-10 | 2021-01-12 | 珠海格力电器股份有限公司 | Current control method, device and system for magnetic bearing |
| CN112211909B (en) * | 2020-10-10 | 2021-11-30 | 珠海格力电器股份有限公司 | Current control method, device and system for magnetic bearing |
| CN112879429A (en) * | 2021-01-11 | 2021-06-01 | 珠海格力电器股份有限公司 | Magnetic suspension system, control method and device thereof, storage medium and processor |
| CN112879429B (en) * | 2021-01-11 | 2021-12-24 | 珠海格力电器股份有限公司 | Magnetic suspension system, control method and device thereof, storage medium and processor |
| CN113014145A (en) * | 2021-03-17 | 2021-06-22 | 苏州保邦电气有限公司 | Control system and method of magnetic suspension motor and storage medium |
| CN112959892A (en) * | 2021-04-14 | 2021-06-15 | 北京磁浮交通发展有限公司 | Suspension control method and system for magnetic suspension train |
| CN114135580A (en) * | 2021-11-04 | 2022-03-04 | 珠海格力电器股份有限公司 | Position evaluation method and device for magnetic bearing rotor |
| CN114135580B (en) * | 2021-11-04 | 2022-07-26 | 珠海格力电器股份有限公司 | Position evaluation method and device for magnetic bearing rotor |
| CN114233751A (en) * | 2021-12-21 | 2022-03-25 | 珠海格力电器股份有限公司 | Control method and device of magnetic suspension bearing, magnetic suspension system and storage medium |
| CN114233751B (en) * | 2021-12-21 | 2022-09-09 | 珠海格力电器股份有限公司 | Control method and device of magnetic suspension bearing, magnetic suspension system and storage medium |
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| CN110360145B (en) | 2020-08-11 |
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