CN108540033A - Compressor compensation apparatus and method - Google Patents
Compressor compensation apparatus and method Download PDFInfo
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- CN108540033A CN108540033A CN201810317238.5A CN201810317238A CN108540033A CN 108540033 A CN108540033 A CN 108540033A CN 201810317238 A CN201810317238 A CN 201810317238A CN 108540033 A CN108540033 A CN 108540033A
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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
- H02P21/14—Estimation or adaptation of machine parameters, e.g. flux, current or voltage
- H02P21/20—Estimation of torque
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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
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
- H02P27/08—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters with pulse width modulation
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Abstract
The application discloses a compressor compensation device and a method, which relate to the field of air conditioners and are used for compensating initial phase and amplitude in torque compensation of a single-rotor compressor.
Description
Technical field
The present invention relates to field of air conditioning more particularly to a kind of compressor compensation devices and method.
Background technology
The compensated torque of convertible frequency air-conditioner single-rotor compressor is to be most difficult to realize at present, has been look for optimal control algolithm,
So that compensated torque better adaptability, the vibration smaller of compressor.
Convertible frequency air-conditioner compensated torque strategy is mainly fixed using the start-phase of compensation at present, the variable mode of amplitude, with
Reduce torque ripple.But since there are mechanical deflections for the manufacture of compressor, alternatively, turning without the compressor under the conditions of location estimation
Sub- position or angle are there are deviation, and the compressor characteristics under different operating mode different loads are different, these deviations can cause
Actual compensation phase shifts.
Invention content
A kind of compressor compensation device of embodiments herein offer and method, for being mended to the torque of single-rotor compressor
Start-phase and amplitude in repaying compensate.
In order to achieve the above objectives, embodiments herein adopts the following technical scheme that：
In a first aspect, providing a kind of compressor compensation device, it is applied to single-rotor compressor, described device includes：The
One proportion integral control unit, the 2nd PI adjust unit, Parker PARK inverse transformation units, space vector pulse width modulation SVPWM
Unit, three-phase inverter, Clarke CLARKE converter units, PARK converter units, Attitude rate estimator unit, load calculate list
Member, amplitude-phase compensation adjust unit；
The input that first PI adjusts unit is reference angular velocities and the Attitude rate estimator unit as negative-feedback
Output signal；The input that 2nd PI adjusts unit is that the first PI adjusts the input signal of unit, the phase width
It is worth the output signal of compensation adjustment unit and the output signal of the PARK converter units as negative-feedback；The PARK is anti-
First input of converter unit is the output signal that the 2nd PI adjusts unit, the second input of the PARK inverse transformation units
For the output signal of the Attitude rate estimator unit；The input of the SVPWM units is the output signal of the PARK inverse transformations；
The input of the three-phase inverter is the output signal of the SVPWM units, and the output of the three-phase inverter controls the list
The three phase supply circuit of rotor compressor；The input of the CLARKE converter units connects the three phase supply circuit；It is described
First input of PARK converter units is the output signal of the CLARKE converter units, and the second of the PARK converter units is defeated
Enter for the output signal of the Attitude rate estimator unit；The input of the Attitude rate estimator unit is the PARK converter units
Output signal；The input of the load computing unit is the output signal of the PARK converter units；The amplitude-phase compensation
The input of unit is adjusted for the output signal of the load computing unit, the reference angular velocities and as described in negative-feedback
The output signal of Attitude rate estimator unit；
Wherein, the Attitude rate estimator unit is used to estimate the single-turn according to the output signal of the PARK converter units
The angular speed of sub- compressor；The load computing unit is used to calculate the single rotor according to the output signal of PARK converter units
The load of compressor；The amplitude-phase compensation adjusts unit and is used for according to the reference angular velocities, the angular speed and institute
State phase compensation and amplitude compensation of the load calculating to the single-rotor compressor.
Second aspect provides a kind of compressor compensation method, is applied to compressor compensation dress as described in relation to the first aspect
It sets, the method includes：
The angular speed of single-rotor compressor is estimated according to the output signal of PARK converter units；
The load of the single-rotor compressor is calculated according to the output signal of the PARK converter units；
The phase compensation to the single-rotor compressor is calculated according to reference angular velocities, the angular speed and the load
And amplitude compensation.
The third aspect, provides a kind of computer readable storage medium of the one or more programs of storage, it is one or
Multiple programs include instruction, and described instruction makes the computer execute the side as described in second aspect when executed by a computer
Method.
The compressor compensation device and method that embodiments herein provides, the angle speed to be rotated a circle by detecting compressor
Degree fluctuation, the starting point of definition compensation phase, carries out predictive compensation amplitude, by quickly feedovering by different velocity perturbations
Feedback directly affects rotating torque, forms dynamic balancing, allows compressor drum acceleration in rotary course to maintain zero, to subtract
The vibration of small compressor.The start-phase and amplitude realized in the compensated torque to single-rotor compressor compensates.
Description of the drawings
Fig. 1 is the structural schematic diagram for the compressor compensation device that embodiments herein provides；
Fig. 2 is a kind of flow diagram one for compressor compensation method that embodiments herein provides；
Fig. 3 is a kind of flow diagram two for compressor compensation method that embodiments herein provides；
Fig. 4 is a kind of flow diagram three for compressor compensation method that embodiments herein provides；
Fig. 5 is a kind of flow diagram four for compressor compensation method that embodiments herein provides.
Specific implementation mode
The angular speed of compressor described herein refers to the angular speed of compressor drum rotation.
Embodiment 1,
This application provides a kind of compressor compensation devices, are applied to single-rotor compressor compensation device, referring to Fig.1 middle institute
Show, which includes：First proportional integration (Proportional Integral, PI) adjusts unit 101, the 2nd PI adjusts list
Member 102, Parker (PARK) inverse transformation unit 103, space vector pulse width modulation (Space Vector Pulse Width
Modulation, SVPWM) unit 104, three-phase inverter 105, Clarke (CLARKE) converter unit 106, PARK converter units
107, Attitude rate estimator unit 108, load computing unit 109, amplitude-phase compensation adjust unit 110.
The input that first PI adjusts unit 101 is reference angular velocities and the Attitude rate estimator unit 108 as negative-feedback
Output signal.The input that 2nd PI adjusts unit 102 is that the first PI adjusts the input signal of unit 101, amplitude-phase compensation tune
Save the output signal of unit 110 and the output signal of the PARK converter units 107 as negative-feedback.PARK inverse transformation units
103 the first input is the output signal that the 2nd PI adjusts unit 102, and the second input of PARK inverse transformation units 103 is angle speed
Spend the output signal of estimation unit 108.The input of SVPWM units 104 is the output signal of PARK inverse transformations 103.Three-phase inversion
The input of device 105 is the output signal of SVPWM units 104, and the output of three-phase inverter 105 controls the three of single-rotor compressor 20
Phase power supply circuit.The input of CLARKE converter units 106 connects three phase supply circuit.First input of PARK converter units 107
The second input for the output signal of CLARKE converter units 106, PARK converter units 107 is Attitude rate estimator unit 108
Output signal.The input of Attitude rate estimator unit 108 is the output signal of PARK converter units 107.Load computing unit 109
Input is the output signal of PARK converter units 107.The input that amplitude-phase compensation adjusts unit 110 is load computing unit
109 output signal, the output signal of reference angular velocities and the Attitude rate estimator unit 108 as negative-feedback.
Wherein, Attitude rate estimator unit 108 is used to estimate single rotor compression according to the output signal of PARK converter units 107
The angular speed of machine 20.Computing unit 109 is loaded to be used to calculate single-rotor compressor according to the output signal of PARK converter units 107
20 load.Amplitude-phase compensation adjusts unit 110 for the angular speed according to reference angular velocities, the single-rotor compressor of estimation
And load calculates phase compensation and amplitude compensation to single-rotor compressor 20.
Specifically, Attitude rate estimator unit 108 estimates single rotor pressure according to the output current signal of PARK converter units 107
The difference of the position whithin a period of time of contracting machine 20, does differential to the difference of position and obtains the angular speed of single-rotor compressor.Wherein, electric current
It is not linear relationship with position.
Load computing unit 109 calculates single-rotor compressor according to the output current signal of PARK converter units 107 20
Load.Wherein, electric current and load are linear relationships,
Specifically, if the load for the single-rotor compressor that load computing unit 109 calculates is less than thresholding, phase-amplitude
The constantly regulate phase compensation within the scope of Φ ± ΔΦs of compensation adjustment unit 110, according to the single rotor of reference angular velocities and estimation
The difference (also referred to as speed ripple σ) of the angular speed of compressor is minimum to determine optimum phase compensation.Then determining optimum phase is used
Compensation, constantly regulate first amplitude compensating parameter, according to the difference of reference angular velocities and the angular speed of the single-rotor compressor of estimation
Minimum determines optimal magnitude compensation (i.e. amplitude coefficient A is variable, which is multiplied to compensate with open width value).Its
In, Φ is the starting point for compensating phase.If the load for the single-rotor compressor that load computing unit 109 calculates is greater than or equal to
Thresholding, then the amplitude-phase compensation adjusting constantly regulate phase compensation within the scope of Φ ± ΔΦs of unit 110, according to reference angular velocities
And the difference minimum of the angular speed of the single-rotor compressor of estimation determines optimum phase compensation.Then it is mended using determining optimum phase
It repays, constantly regulate the second amplitude compensation parameter, most according to reference angular velocities and the difference of the angular speed of the single-rotor compressor of estimation
Small determining optimal magnitude compensation.That is, in light load, amplitude is mended using first amplitude compensating parameter
It repays, in heavier loads, amplitude is compensated using the second amplitude compensation parameter, i.e., amplitude compensation parameter can be according to negative
The weight state of load is different and has different values, and uses same policy and parameter to the compensation of phase.
In addition, the application, which does not limit, must first compensate phase post-compensation amplitude, amplitude post-compensation phase can also be first compensated
Position.Specifically, if the load for the single-rotor compressor that load computing unit 109 calculates is less than thresholding, amplitude-phase compensation
110 constantly regulate first amplitude compensating parameter of unit is adjusted, according to the angle of reference angular velocities and the single-rotor compressor of estimation speed
The difference minimum of degree determines that optimal magnitude compensates.Then it using determining optimal magnitude compensation, is constantly adjusted within the scope of Φ ± ΔΦs
Phase compensation is saved, determines that optimum phase is mended according to the difference minimum of reference angular velocities and the angular speed of the single-rotor compressor of estimation
It repays.Wherein, Φ is the starting point for compensating phase.If the load for the single-rotor compressor that load computing unit 109 calculates is more than
Or be equal to thresholding, then amplitude-phase compensation adjust unit constantly regulate the second amplitude compensation parameter, according to reference angular velocities with estimate
The difference minimum of the angular speed of the single-rotor compressor of meter determines that optimal magnitude compensates.Then it is compensated using determining optimal magnitude,
The constantly regulate phase compensation within the scope of Φ ± ΔΦs, according to the angular speed of reference angular velocities and the single-rotor compressor of estimation it
Poor minimum determining optimum phase compensation.
Compressor compensation device and method provided by the present application, the angular velocity fluctuation to be rotated a circle by detecting compressor,
The starting point of definition compensation phase carries out predictive compensation amplitude by different velocity perturbations, straight by quick feedforward and feedback
Influence rotating torque is connect, dynamic balancing is formed, compressor drum acceleration in rotary course is allowed to maintain zero, to reduce compression
The vibration of machine.The start-phase and amplitude realized in the compensated torque to single-rotor compressor compensates.
Embodiment 2,
This application provides a kind of compressor compensation methodes, are applied to above-mentioned apparatus, with reference to shown in Fig. 2, this method packet
It includes：
S101, the angular speed that single-rotor compressor is estimated according to the output signal of PARK converter units.
S102, the load that single-rotor compressor is calculated according to the output signal of PARK converter units.
S103, the phase compensation according to reference angular velocities, angular speed and load calculating to single-rotor compressor and amplitude
Compensation.
Optionally, with reference to shown in Fig. 3, step S101 may include：
S1011, single-rotor compressor position whithin a period of time is estimated according to the output current signal of PARK converter units
Difference, differential is done to the difference of position and obtains the angular speed of single-rotor compressor.
Optionally, with reference to shown in Fig. 4, step S103 may include：
If S1031, load are less than thresholding, the constantly regulate phase compensation within the scope of Φ ± ΔΦs, according to reference angle
Speed and the difference minimum of angular speed determine optimum phase compensation.
S1032, using optimum phase compensation, constantly regulate first amplitude compensating parameter, according to reference angular velocities and angle speed
The difference minimum of degree determines that optimal magnitude compensates, wherein Φ is the starting point for compensating phase.
If S1033, load are more than or equal to thresholding, the constantly regulate phase compensation within the scope of Φ ± ΔΦs, according to
Reference angular velocities and the difference minimum of angular speed determine optimum phase compensation.
S1034, using optimum phase compensation, constantly regulate the second amplitude compensation parameter, according to reference angular velocities and angle speed
The difference minimum of degree determines that optimal magnitude compensates.
Optionally, with reference to shown in Fig. 5, step S103 may include：
If S1035, load are less than thresholding, constantly regulate first amplitude compensating parameter, according to reference angular velocities and angle
The difference minimum of speed determines that optimal magnitude compensates.
S1036, it is compensated using optimal magnitude, the constantly regulate phase compensation within the scope of Φ ± ΔΦs, according to reference angle speed
The difference minimum of degree and angular speed determines optimum phase compensation, wherein Φ is the starting point for compensating phase.
If S1037, load are greater than or equal to thresholding, constantly regulate the second amplitude compensation parameter, according to reference angle speed
The difference minimum of degree and angular speed determines that optimal magnitude compensates.
S1038, it is compensated using optimal magnitude, the constantly regulate phase compensation within the scope of Φ ± ΔΦs, according to reference angle speed
The difference minimum of degree and angular speed determines optimum phase compensation.
Since the method in the embodiment of the present application can be applied to above-mentioned apparatus, it can be obtained technique effect
Also above method embodiment is can refer to, details are not described herein for the embodiment of the present application.
The embodiment of the present invention provides a kind of computer readable storage medium of the one or more programs of storage, one or more
Program includes instruction, and instruction makes computer execute the method as described in Fig. 2-5 when executed by a computer.
It should be noted that above-mentioned each unit can be the processor individually set up, certain of controller can also be integrated in
It is realized in one processor, in addition it is also possible to be stored in the memory of controller in the form of program code, by controller
Some processor calls and executes the function of the above each unit.Processor described here can be a central processing unit
(Central Processing Unit, CPU) or specific integrated circuit (Application Specific
Integrated Circuit, ASIC), or be arranged to implement one or more integrated circuits of the embodiment of the present application.
It should be understood that in the various embodiments of the application, size of the sequence numbers of the above procedures is not meant to execute suitable
The execution sequence of the priority of sequence, each process should be determined by its function and internal logic, the implementation without coping with the embodiment of the present application
Process constitutes any restriction.
Those of ordinary skill in the art may realize that lists described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, depends on the specific application and design constraint of technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
Scope of the present application.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method, it can be with
It realizes by another way.For example, apparatus embodiments described above are merely indicative, for example, the unit
It divides, only a kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be the indirect coupling by some interfaces, equipment or unit
It closes or communicates to connect, can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple
In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the application can be integrated in a processing unit, it can also
It is that each unit physically exists alone, it can also be during two or more units be integrated in one unit.
In the above-described embodiments, can come wholly or partly by software, hardware, firmware or its arbitrary combination real
It is existing.When being realized using software program, can entirely or partly realize in the form of a computer program product.The computer
Program product includes one or more computer instructions.On computers load and execute computer program instructions when, all or
It partly generates according to the flow or function described in the embodiment of the present application.The computer can be all-purpose computer, special meter
Calculation machine, computer network or other programmable devices.The computer instruction can be stored in computer readable storage medium
In, or from a computer readable storage medium to the transmission of another computer readable storage medium, for example, the computer
Instruction can pass through wired (such as coaxial cable, optical fiber, number from a web-site, computer, server or data center
Word user line (Digital Subscriber Line, DSL)) or wireless (such as infrared, wireless, microwave etc.) mode to another
A web-site, computer, server or data center are transmitted.The computer readable storage medium can be computer
Any usable medium that can be accessed is either comprising numbers such as one or more server, data centers that can be integrated with medium
According to storage device.The usable medium can be magnetic medium (for example, floppy disk, hard disk, tape), optical medium (for example, DVD),
Or semiconductor medium (such as solid state disk (Solid State Disk, SSD)) etc..
The above, the only specific implementation mode of the application, but the protection domain of the application is not limited thereto, it is any
Those familiar with the art can easily think of the change or the replacement in the technical scope that the application discloses, and should all contain
It covers within the protection domain of the application.Therefore, the protection domain of the application should be based on the protection scope of the described claims.
Claims (9)
1. a kind of compressor compensation device, which is characterized in that be applied to single-rotor compressor, described device includes：First ratio
Integral PI adjusts unit, the 2nd PI adjusts unit, Parker PARK inverse transformation units, space vector pulse width modulation SVPWM units, three
Phase inverter, Clarke CLARKE converter units, PARK converter units, Attitude rate estimator unit, load computing unit, phase width
It is worth compensation adjustment unit；
The input that first PI adjusts unit is the defeated of reference angular velocities and the Attitude rate estimator unit as negative-feedback
Go out signal；The input that 2nd PI adjusts unit is that the first PI adjusts the input signal of unit, the phase-amplitude is mended
Repay the output signal for adjusting unit and the output signal of the PARK converter units as negative-feedback；The PARK inverse transformations
First input of unit is the output signal that the 2nd PI adjusts unit, and the second input of the PARK inverse transformation units is institute
State the output signal of Attitude rate estimator unit；The input of the SVPWM units is the output signal of the PARK inverse transformations；It is described
The input of three-phase inverter is the output signal of the SVPWM units, and the output of the three-phase inverter controls the single rotor
The three phase supply circuit of compressor；The input of the CLARKE converter units connects the three phase supply circuit；The PARK becomes
The first input for changing unit is the output signal of the CLARKE converter units, and the second input of the PARK converter units is institute
State the output signal of Attitude rate estimator unit；The input of the Attitude rate estimator unit is that the output of the PARK converter units is believed
Number；The input of the load computing unit is the output signal of the PARK converter units；The amplitude-phase compensation adjusts single
The input of member is output signal, the reference angular velocities and the angular speed as negative-feedback of the load computing unit
The output signal of estimation unit；
Wherein, the Attitude rate estimator unit is used to estimate the single rotor pressure according to the output signal of the PARK converter units
The angular speed of contracting machine；The load computing unit, which is used to calculate the single rotor according to the output signal of PARK converter units, to be compressed
The load of machine；The amplitude-phase compensation adjusts unit and is used for according to the reference angular velocities, the angular speed and described negative
Carry phase compensation and the amplitude compensation calculated to the single-rotor compressor.
2. the apparatus according to claim 1, which is characterized in that the Attitude rate estimator unit is specifically used for according to
The output current signals of PARK converter units estimates the difference of single-rotor compressor position whithin a period of time, to the position
Difference do differential and obtain the angular speed of the single-rotor compressor.
3. the apparatus according to claim 1, which is characterized in that the amplitude-phase compensation adjusts unit and is specifically used for：
If the load is less than thresholding, the constantly regulate phase compensation within the scope of Φ ± ΔΦs, according to reference angle speed
The difference minimum of degree and the angular speed determines optimum phase compensation；Using the optimum phase compensation, constantly regulate first amplitude
Compensating parameter determines that optimal magnitude compensates, wherein Φ is compensation according to the difference minimum of the reference angular velocities and the angular speed
The starting point of phase；
If the load is greater than or equal to the thresholding, the constantly regulate phase compensation within the scope of Φ ± ΔΦs, according to institute
The difference minimum for stating reference angular velocities and the angular speed determines optimum phase compensation；Using the optimum phase compensation, constantly adjust
The second amplitude compensation parameter is saved, determines that optimal magnitude compensates according to the difference minimum of the reference angular velocities and the angular speed.
4. the apparatus according to claim 1, which is characterized in that the amplitude-phase compensation adjusts unit and is specifically used for：
If it is described load be less than thresholding, constantly regulate first amplitude compensating parameter, according to the reference angular velocities with it is described
The difference minimum of angular speed determines that optimal magnitude compensates；It is compensated using the optimal magnitude, the constantly regulate within the scope of Φ ± ΔΦs
Phase compensation determines optimum phase compensation according to the difference minimum of the reference angular velocities and the angular speed, wherein Φ is compensation
The starting point of phase；
If the load is greater than or equal to thresholding, constantly regulate the second amplitude compensation parameter, according to the reference angular velocities
And the difference minimum of the angular speed determines that optimal magnitude compensates；It is compensated using the optimal magnitude, within the scope of Φ ± ΔΦs not
It is disconnected to adjust phase compensation, optimum phase compensation is determined according to the difference minimum of the reference angular velocities and the angular speed.
5. a kind of compressor compensation method, which is characterized in that be applied to compressor according to any one of claims 1-4 and compensate
Device, the method includes：
The angular speed of single-rotor compressor is estimated according to the output signal of PARK converter units；
The load of the single-rotor compressor is calculated according to the output signal of the PARK converter units；
Phase compensation and width to the single-rotor compressor are calculated according to reference angular velocities, the angular speed and the load
Value complement is repaid.
6. according to the method described in claim 5, it is characterized in that, described estimate list according to the output signal of PARK converter units
The angular speed of rotor compressor, including：
According to the output current signal of the PARK converter units estimate the single-rotor compressor whithin a period of time position it
Difference does differential to the difference of the position and obtains the angular speed of the single-rotor compressor.
7. according to the method described in claim 5, it is characterized in that, described according to reference angular velocities, the angular speed and institute
Phase compensation and amplitude compensation of the load calculating to the single-rotor compressor are stated, including：
If the load is less than thresholding, the constantly regulate phase compensation within the scope of Φ ± ΔΦs, according to reference angle speed
The difference minimum of degree and the angular speed determines optimum phase compensation；Using the optimum phase compensation, constantly regulate first amplitude
Compensating parameter determines that optimal magnitude compensates, wherein Φ is compensation according to the difference minimum of the reference angular velocities and the angular speed
The starting point of phase；
If the load is greater than or equal to the thresholding, the constantly regulate phase compensation within the scope of Φ ± ΔΦs, according to institute
The difference minimum for stating reference angular velocities and the angular speed determines optimum phase compensation；Using the optimum phase compensation, constantly adjust
The second amplitude compensation parameter is saved, determines that optimal magnitude compensates according to the difference minimum of the reference angular velocities and the angular speed.
8. according to the method described in claim 5, it is characterized in that, described according to reference angular velocities, the angular speed and institute
Phase compensation and amplitude compensation of the load calculating to the single-rotor compressor are stated, including：
If it is described load be less than thresholding, constantly regulate first amplitude compensating parameter, according to the reference angular velocities with it is described
The difference minimum of angular speed determines that optimal magnitude compensates；It is compensated using the optimal magnitude, the constantly regulate within the scope of Φ ± ΔΦs
Phase compensation determines optimum phase compensation according to the difference minimum of the reference angular velocities and the angular speed, wherein Φ is compensation
The starting point of phase；
If the load is greater than or equal to thresholding, constantly regulate the second amplitude compensation parameter, according to the reference angular velocities
And the difference minimum of the angular speed determines that optimal magnitude compensates；It is compensated using the optimal magnitude, within the scope of Φ ± ΔΦs not
It is disconnected to adjust phase compensation, optimum phase compensation is determined according to the difference minimum of the reference angular velocities and the angular speed.
9. a kind of computer readable storage medium of the one or more programs of storage, which is characterized in that one or more of journeys
Sequence includes instruction, and described instruction makes the computer execute such as claim 5-8 any one of them when executed by a computer
Method.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114517937A (en) * | 2022-03-03 | 2022-05-20 | 海信（山东）空调有限公司 | Air conditioner and method for suppressing low-frequency vibration of compressor |
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| CN103326659A (en) * | 2013-07-05 | 2013-09-25 | 合肥工业大学 | Control method for directionally correcting rotor field of asynchronous motor |
| CN103856140A (en) * | 2014-03-26 | 2014-06-11 | 西北工业大学 | Current signal error compensation method in alternating-current motor vector control |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114517937A (en) * | 2022-03-03 | 2022-05-20 | 海信（山东）空调有限公司 | Air conditioner and method for suppressing low-frequency vibration of compressor |
| CN114517937B (en) * | 2022-03-03 | 2023-08-01 | 海信空调有限公司 | Air conditioner and method for suppressing low-frequency vibration of compressor |
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| CN108540033B (en) | 2020-06-12 |
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