CN113395028B - Method for forming flux linkage observer based on voltage and current hybrid model - Google Patents
Method for forming flux linkage observer based on voltage and current hybrid model Download PDFInfo
- Publication number
- CN113395028B CN113395028B CN202110854236.1A CN202110854236A CN113395028B CN 113395028 B CN113395028 B CN 113395028B CN 202110854236 A CN202110854236 A CN 202110854236A CN 113395028 B CN113395028 B CN 113395028B
- Authority
- CN
- China
- Prior art keywords
- flux linkage
- voltage
- model
- current
- hybrid model
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000004907 flux Effects 0.000 title claims abstract description 80
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000004364 calculation method Methods 0.000 claims description 4
- 238000013178 mathematical model Methods 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 2
- 230000001131 transforming effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- H02P21/0017—Model reference adaptation, e.g. MRAS or MRAC, useful for control or parameter estimation
-
- 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
- H02P21/06—Rotor flux based control involving the use of rotor position or rotor speed sensors
- H02P21/08—Indirect field-oriented control; Rotor flux feed-forward control
-
- 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
- H02P21/13—Observer control, e.g. using Luenberger observers or Kalman filters
-
- 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
- H02P21/141—Flux estimation
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Ac Motors In General (AREA)
Abstract
The invention discloses a method for forming a voltage-current hybrid model flux linkage observer, which comprises the following steps of: step A: through the design of PI parameters of a voltage-current hybrid model flux linkage observer, the imaginary part of the characteristic function F(s) is reduced, and meanwhile, the real part of the characteristic function F(s) is ensured to gradually increase from 0 to 1 along with the increase of frequency; and B: and carrying out stability analysis on the improved voltage-current hybrid model flux linkage observer. The method can realize smooth switching of the current model and the voltage model and reduce flux linkage estimation errors, thereby solving the problem of poor robustness of the traditional mixed model flux linkage observer in a medium-speed region. When the motor parameters have errors, the improved hybrid model flux linkage observer can observe accurate rotor flux linkage in a full-speed range, and the problems of amplitude attenuation, phase offset and the like at different rotating speeds are solved.
Description
Technical Field
The invention belongs to the field of power electronics, and particularly relates to a method for forming a flux linkage observer based on a voltage-current hybrid model.
Background
The key in an induction motor control system is to accurately obtain the magnitude and spatial position of the rotor flux linkage vector. Direct detection of rotor flux linkage is difficult, and the existing literature indicates that flux linkage estimation mostly adopts a voltage model, a current model, a full-order flux linkage observation model and the like. Because the current model comprises a rotor time constant and mutual inductance parameters, the parameters are greatly influenced when the motor is heated and a magnetic circuit is saturated, and flux linkage observation errors are caused. But in summary, the current model does not need a voltage signal and has no influence of direct current bias, so that the current model is more suitable for a low-speed running state. The voltage model does not contain rotor resistance, and the motor parameter robustness is stronger, so the performance is superior to that of the current model at medium and high speed. However, the voltage model has two main problems in practical application: firstly, the low-speed occasion is sensitive to the resistance change of the stator; and secondly, a pure integration link in the model is easy to cause flux linkage observation errors. The former can reduce the influence of stator resistance parameters through online parameter self-adaptation; in practical application, the problems of direct current bias and integral saturation of a pure integral link caused by electromagnetic interference, sensor measurement and sampling errors and the like are more obvious.
In order to improve the estimation accuracy of the rotor flux linkage observer, a plurality of improved flux linkage observers are proposed in the prior literature. For example, a voltage-current hybrid model rotor flux linkage observer is proposed in document "a New Quick-response And High-efficiency Control structure of index Motor", which makes full use of the advantages of a current model in a low-speed region And the advantages of a voltage model in a High-speed region. In the medium-speed switching region, flux linkage estimation is sensitive to motor parameters due to the influence of factors such as a voltage dead zone, so that the problem of robustness in the medium-speed switching region becomes a key of research.
In order to solve the problem of poor robustness in the intermediate speed region, some scholars propose some solutions, but most of the solutions change the structure of a mixed model. For example, in the document "Novel Rotor-Flux Observer Using Observer guided performance Function in Complex Vector Space For Field-Oriented instruction Motor drivers", an angle compensation module is added based on a traditional hybrid model, which not only increases the calculated amount, but also increases the real-time operation capability of the control system because the expression includes on-line parameters. The inventor also proposes to improve the voltage model in the hybrid model, and add a high-pass filter on the basis of a pure integrator to eliminate the direct-current component in the back electromotive force, so as to solve the direct-current offset problem in the integration result. Although the observation performance of the flux linkage is improved at the medium and high speeds, the observation performance in the low speed region is not improved. At present, no better method can simultaneously meet the following requirements: 1) flux linkage estimation is accurate in a medium-speed switching region; 2) the calculated amount is small; 3) the structure of the hybrid model is not changed. Therefore, a simple and practical method needs to be designed to enable the hybrid model to obtain better flux linkage observation performance in the medium-speed switching region.
Disclosure of Invention
The invention provides an improved voltage-current hybrid model flux linkage observer, which aims at the problems that a traditional hybrid model flux linkage observer is sensitive to motor parameters in a medium-speed switching region and the like. Under the condition of not changing the structure of the hybrid model, through theoretical analysis of the hybrid model characteristic function in the frequency domain, a group of complex coefficient PI parameters are designed to replace the traditional real coefficient PI parameters, so that the imaginary part of the characteristic function is 0, and the real part is gradually increased from 0 to 1 along with the increase of the frequency. The current model and the voltage model are smoothly switched, and flux linkage estimation errors are reduced, so that the problem that the traditional mixed model flux linkage observer is poor in robustness in a medium-speed region is solved. The technical scheme adopted by the invention is as follows:
step A; based on the characteristic function of the traditional mixed model, the imaginary part of the characteristic function is made as small as possible by designing a group of complex coefficient PI parameters, and meanwhile, the real part of the characteristic function is ensured to gradually increase from 0 to 1 along with the increase of frequency;
and B: and C, performing stability analysis on the improved mixed model obtained according to the step A, so that the characteristic root of the improved mixed model is in the left half plane of the complex plane, and ensuring the stability of the system.
In some embodiments, the step a comprises:
According to the characteristic function of the voltage and current hybrid model flux linkage observer:
when the motor is in steady operation, let s equal to j omegaeObtaining:
order to
Wherein, Kp、KiIs the PI parameter, ωeIs the synchronous angular frequency;
in the medium and high frequency band, F (j omega)e) When the voltage-current hybrid model observer only functions as a voltage flux linkage observer, only a is 0, and the following results are obtained:
Ki＝-jωeKp
in the low frequency band, want F (j ωe) The real part of (a) rises slowly from 0 to 1, and the following design is made:
obtaining:
wherein, ω isbBoundary angular frequencies switched for the current model and the voltage model flux linkage observer.
In some embodiments, the step B comprises:
the mathematical model of the voltage-current hybrid model flux linkage observer under a static coordinate system is as follows:
wherein,
is the rotor time constant; l ism、Lr、Ls、Rs、Rr、ωr、σ、p、
Mutual inductance, rotor inductance, stator resistance, rotor angular velocity, leakage inductance, differential operator, current model rotor flux linkage estimation value and voltage model rotor flux linkage estimation value;
and transforming the formula (3-1), wherein the state space equation of the closed-loop voltage-current hybrid model flux linkage observer is as follows:
variable of state
State matrix
The state equation is:
the characteristic equation is as follows:
because of the fact that
Is in the left half plane of the complex plane, so that 
The root of the voltage-current hybrid model magnetic linkage observer is positioned on the left half plane of the complex plane, so that the stability of the improved voltage-current hybrid model magnetic linkage observer is ensured;
in the low frequency range (0 ≦ omega)e＜ωb),KpAnd KiThe relationship between them is:
combined vertical type (3-4) and (3-5) are obtained:
solving the following steps:
suppose KpA + b j, adding KpSubstituting into equation (3-7) yields:
as can be seen from the equations (3-8), the system is stable and the characteristic function F (j ω) is stable as long as a is guaranteed to be greater than 0e) In the low frequency band, the imaginary part is always 0, and the real part gradually increases from 0 to 1 along with the rise of frequency;
in the medium-high frequency band, KpAnd KiThe relationship between is:
Ki＝-jωeKp (3-9)
the combined vertical type (3-4) and (3-5) are as follows:
s2+Kps-jωeKp＝0
solving the following steps:
suppose KpA + b j, KpSubstituting into the formula (3-10) to ensure that the real part of the characteristic root is less than zero; for convenience of calculation, order
Values for a and b were obtained:
by adopting the values of a and b in the formula, the obtained characteristic root is in the left half plane of the complex plane, so that the closed-loop voltage-current mixed model system is stable.
The invention has the following characteristics and advantages: compared with the traditional improvement scheme, no additional module is needed, and the calculation amount is small. The current model and the voltage model of the improved mixed model can be smoothly switched in a medium-speed switching region, and flux linkage estimation errors are reduced. The advantages of the current model and the voltage model are fully utilized, so that the hybrid model has good robustness to the change of the motor parameters. When the motor parameters have errors, the improved hybrid model flux linkage observer can observe accurate rotor flux linkage in a full-speed range, and the problems of amplitude attenuation, phase offset and the like at different rotating speeds are solved.
Drawings
FIG. 1 is a real and imaginary part of an improved hybrid model feature function F(s);
FIG. 2 is a block diagram of a sensor model predictive flux linkage control architecture;
FIG. 3 is a comparison of flux linkage estimation waveforms when the rotor resistance is varied;
fig. 4a and 4b are a comparison of estimated rotor flux linkage waveforms at varying rotor resistance, where in fig. 4 a:
(300r/min no load); in FIG. 4 b:
(300r/min full load);
fig. 5a and 5b are a comparison of flux linkage estimation waveforms at a variable stator resistance, wherein in fig. 5 a:
(300r/min full load); in fig. 5 b:
(300r/min empty);
fig. 6a and 6b are the comparison of flux linkage estimation waveforms when the mutual inductance is changed, wherein, in fig. 6 a:
(300r/min empty); in fig. 6 b:
300r/min full load).
Detailed Description
The following examples are presented to enable those skilled in the art to more fully understand the present invention and are not intended to limit the invention in any way.
The invention provides an improved voltage-current hybrid model flux linkage observer, which comprises the following steps:
step A: through the design of PI parameters of a voltage-current hybrid model flux linkage observer, the imaginary part of a characteristic function F(s) is reduced as much as possible, and meanwhile, the real part of the characteristic function F(s) is ensured to be gradually increased from 0 to 1 along with the increase of frequency;
and B, performing stability analysis on the improved voltage-current hybrid model flux linkage observer.
In some embodiments, step a comprises:
according to the characteristic function of the voltage and current hybrid model flux linkage observer:
when the motor is in steady operation, let s equal to j omegaeAnd obtaining:
order to
Wherein, Kp、KiIs a PI parameter; omegaeIs the synchronous angular frequency.
In the medium and high frequency band, F (j omega)e) The voltage-current hybrid model observer having 1 only functions as a voltage flux linkage observer, and in this case, a may be set to 0. Obtaining:
Ki＝-jωeKp
in the low frequency band, want F (j ωe) The real part of (a) rises slowly from 0 to 1, and the following design is made:
obtaining:
wherein, ω isbBoundary angle for switching between current model and voltage model flux linkage observersFrequency.
In some embodiments, step B comprises:
the mathematical model of the voltage-current hybrid model flux linkage observer under a static coordinate system is as follows:
wherein,
is the rotor time constant; l ism、Lr、Ls、Rs、Rr、ωr、σ、p、
The rotor flux linkage estimation method comprises the following steps of mutual inductance, rotor inductance, stator resistance, rotor angular velocity, leakage inductance, differential operator, current model rotor flux linkage estimation value and voltage model rotor flux linkage estimation value.
And transforming the formula (3-1), wherein the state space equation of the closed-loop voltage-current hybrid model flux linkage observer is as follows:
variable of state
State matrix
The state equation is:
The characteristic equation is as follows:
because of the fact that
Root of (2) is in the left half plane of the complex plane, so that only the
The root of the voltage-current hybrid model flux linkage observer is positioned on the left half plane of the complex plane, so that the stability of the improved voltage-current hybrid model flux linkage observer can be ensured.
In the low frequency range (0 ≦ omega)e＜ωb),KpAnd KiThe relationship between is:
the combined vertical type (3-4) and (3-5) are as follows:
solving the following steps:
suppose KpA + b j, and KpSubstituting into equation (3-7) yields:
as can be seen from equation (18), as long as a is guaranteed to be greater than 0, the system is stable and the characteristic function F (j ω) is stablee) In the low frequency band, the imaginary part is always 0, and the real part gradually increases from 0 to 1 as the frequency rises.
In the medium-high frequency band, KpAnd KiThe relationship between is:
Ki＝-jωeKp (3-9)
the combined vertical type (3-4) and (3-5) are as follows:
s2+Kps-jωeKp＝0
solving the following steps:
suppose KpA + b j, KpAnd (5) substituting the real part of the characteristic root into the formula (3-10) to ensure that the real part of the characteristic root is less than zero. To facilitate the calculation, can be
Values for a and b were obtained:
the solutions of a and b are not unique. By adopting the values of a and b in the formula, the obtained characteristic root is in the left half plane of the complex plane, so that the closed-loop voltage-current mixed model system can be stable.
The invention is further described below in conjunction with the appended drawings, wherein the feasibility of the improved model is verified in conjunction with model predictive flux control, but is only used to illustrate the invention, and is not used to limit the scope of the invention.
FIG. 1 is a characteristic function F (j ω) of an improved hybrid model at steady state of the motore) Real and imaginary variation cases.
Fig. 2 is a block diagram of a voltage-current hybrid model structure. The voltage-current hybrid model consists of a current model, a voltage model and a PI regulator. The PI regulator is controlled to enable the current model to play a main role in a low-speed area and enable the voltage model to play a main role in a medium-speed area and a high-speed area, and therefore accurate rotor flux linkage is obtained in a full-speed range.
FIG. 3 is a block diagram of model predictive flux linkage control. The effectiveness of the proposed method can be derived by comparing the simulation results of fig. 4a, 4b, 5a, 5b, 6a and 6 b. As can be seen from fig. 4a and 4 b: when there is an error in the rotor resistance, the estimated flux linkage of the hybrid model and the new and improved hybrid model presented herein can follow the actual flux linkage in both the unloaded and fully loaded cases. But the improved hybrid model of the present invention has better observed performance compared to the two. As can be seen from fig. 5a and 5 b: when the stator resistance has errors, the estimated flux linkage of the hybrid model has errors in amplitude and phase compared with the actual flux linkage under the conditions of no load and full load. The estimated flux linkage of the improved hybrid model of the invention can keep up with the actual flux linkage and has better observation performance. As can be seen from fig. 6a and 6 b: in both the no-load and full-load conditions, when there is an error in the mutual inductance, the estimated flux linkage of the hybrid model has an error in both amplitude and phase compared to the actual flux linkage. And the estimated flux linkage of the improved hybrid model of the invention can keep up with the actual flux linkage.
Those skilled in the art will appreciate that the above embodiments are only exemplary embodiments and that various changes, substitutions, and alterations can be made without departing from the spirit and scope of the application.
Claims (1)
1. A forming method of a voltage and current hybrid model flux linkage observer is characterized by comprising the following steps:
step A: through the design of PI parameters of a voltage-current hybrid model flux linkage observer, the imaginary part of the characteristic function F(s) is reduced, and meanwhile, the real part of the characteristic function F(s) is ensured to gradually increase from 0 to 1 along with the increase of frequency;
and B, step B: performing stability analysis on the improved voltage-current hybrid model flux linkage observer;
wherein the step A comprises the following steps:
according to the characteristic function of the voltage-current hybrid model flux linkage observer:
when the motor is in steady operation, let s be j omegaeObtaining:
order to
Wherein, Kp、KiIs the PI parameter, ωeIs the synchronous angular frequency;
in the medium and high frequency band, F (j omega)e) When the voltage-current hybrid model observer only functions as a voltage flux linkage observer, only a is 0, and the following results are obtained:
Ki＝-jωeKp
in the low frequency band, want F (j ωe) The real part of (a) rises slowly from 0 to 1, and the following design is made:
obtaining:
wherein, ω isbBoundary angular frequency for switching of the current model and the voltage model flux linkage observer;
The step B comprises the following steps:
the mathematical model of the voltage and current mixed model flux linkage observer in a static coordinate system is as follows:
wherein,
is the rotor time constant; l ism、Lr、Ls、Rs、Rr、ωr、σ、p、
Mutual inductance, rotor inductance, stator resistance, rotor angular velocity, leakage inductance, differential operator, current model rotor flux linkage estimation value and voltage model rotor flux linkage estimation value;
and (3) converting the formula (3-1), wherein the state space equation of the closed-loop voltage-current hybrid model flux linkage observer is as follows:
variable of state
State matrix
The state equation is:
the characteristic equation is as follows:
because of the fact that
Is in the left half plane of the complex plane, so that
The root of the improved voltage-current hybrid model flux linkage observer is positioned on the left half plane of the complex plane, so that the stability of the improved voltage-current hybrid model flux linkage observer is ensured;
in the low frequency range (0 ≦ omega)e＜ωb),KpAnd KiThe relationship between is:
the combined vertical type (3-4) and (3-5) are as follows:
solving the following steps:
suppose KpA + b j, and KpSubstituting into equation (3-7) yields:
as can be seen from the equations (3-8), the system is stable and the characteristic function F (j ω) is stable as long as a is guaranteed to be greater than 0e) In the low frequency bandThe imaginary part is always 0, and the real part gradually increases from 0 to 1 along with the rise of the frequency;
in the medium-high frequency band, KpAnd KiThe relationship between is:
Ki＝-jωeKp (3-9)
Combined vertical type (3-4) and (3-5) are obtained:
s2+Kps-jωeKp＝0
solving the following steps:
suppose KpA + b j, KpSubstituting into the formula (3-10) to ensure that the real part of the characteristic root is less than zero; for convenience of calculation, order
Values for a and b were obtained:
by adopting the values of a and b in the formula, the obtained characteristic root is on the left half plane of the complex plane, so that the closed-loop voltage-current mixed model system is stable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110854236.1A CN113395028B (en) | 2021-07-28 | 2021-07-28 | Method for forming flux linkage observer based on voltage and current hybrid model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110854236.1A CN113395028B (en) | 2021-07-28 | 2021-07-28 | Method for forming flux linkage observer based on voltage and current hybrid model |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113395028A CN113395028A (en) | 2021-09-14 |
| CN113395028B true CN113395028B (en) | 2022-06-28 |
Family
ID=77622115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110854236.1A Expired - Fee Related CN113395028B (en) | 2021-07-28 | 2021-07-28 | Method for forming flux linkage observer based on voltage and current hybrid model |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113395028B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114389497B (en) * | 2022-03-24 | 2022-05-27 | 希望森兰科技股份有限公司 | Directional error compensation method for voltage and current hybrid flux linkage observer of asynchronous motor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6841969B1 (en) * | 2003-09-24 | 2005-01-11 | General Motors Corporation | Flux observer in a sensorless controller for permanent magnet motors |
| CN103338000A (en) * | 2013-05-08 | 2013-10-02 | 河南科技大学 | NPC (neutral point clamped) three-level inverter vector control system based on novel flux observer |
| WO2018069865A2 (en) * | 2016-10-12 | 2018-04-19 | 경북대학교 산학협력단 | Flux observer for induction motor and flux estimation method for induction motor |
| CN110429891A (en) * | 2019-07-26 | 2019-11-08 | 中国科学院电工研究所 | A kind of position-sensor-free magneto directly drives electricity-generating control method |
-
2021
- 2021-07-28 CN CN202110854236.1A patent/CN113395028B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6841969B1 (en) * | 2003-09-24 | 2005-01-11 | General Motors Corporation | Flux observer in a sensorless controller for permanent magnet motors |
| CN103338000A (en) * | 2013-05-08 | 2013-10-02 | 河南科技大学 | NPC (neutral point clamped) three-level inverter vector control system based on novel flux observer |
| WO2018069865A2 (en) * | 2016-10-12 | 2018-04-19 | 경북대학교 산학협력단 | Flux observer for induction motor and flux estimation method for induction motor |
| CN110429891A (en) * | 2019-07-26 | 2019-11-08 | 中国科学院电工研究所 | A kind of position-sensor-free magneto directly drives electricity-generating control method |
Non-Patent Citations (7)
| Title |
|---|
| 交流调速电机稳定性观测器设计研究;樊生文 等;《计算机仿真》;20170315;第34卷(第3期);第263-267页 * |
| 基于电压电流混合模型的新型磁链观测器;时维国 等;《控制与应用技术》;20190710;第46卷(第7期);第14-19页 * |
| 基于电磁转矩的永磁同步电机新型变结构PI控制方法;戴连盟 等;《控制技术与应用》;20200910;第47卷(第9期);第22-28页 * |
| 基于非线性磁链动态模型的无速度传感器矢量控制系统;刘和平 等;《电机与控制学报》;20151215;第19卷(第12期);第33-37页 * |
| 异步电机全阶磁链观测器反馈矩阵设计;邓歆 等;《电机与控制学报》;20151215;第19卷(第12期);第7-16页 * |
| 电励磁同步电机两种综合磁链模型观测器;戴鹏 等;《电气传动》;20111020;第41卷(第10期);第12-17页 * |
| 电压电流混合模型的感应电机无速度传感器矢量控制;李哲峰 等;《北京交通大学学报》;20070415;第31卷(第2期);第99-102页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113395028A (en) | 2021-09-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110429881B (en) | Active-disturbance-rejection control method of permanent magnet synchronous motor | |
| CN110289795B (en) | Permanent magnet synchronous motor control system and control method for electric automobile | |
| Ren et al. | Sensorless PMSM control with sliding mode observer based on sigmoid function | |
| WO2022134772A1 (en) | Control method for permanent magnet auxiliary synchronous reluctance motor | |
| WO2022100371A1 (en) | Spmsm sensorless compound control method for novel dual sliding mode observer | |
| CN112838797B (en) | Permanent magnet synchronous motor fuzzy sliding mode control method based on improved index reaching law | |
| CN113193809A (en) | Permanent magnet synchronous motor control method for improving second-order linear active disturbance rejection | |
| CN108964544B (en) | Double-time scale sliding mode control system and method for permanent magnet linear synchronous motor | |
| CN110995102A (en) | Direct torque control method and system for permanent magnet synchronous motor | |
| CN110466597B (en) | Energy optimization control system of alternating current permanent magnet motor for electric vehicle EPS | |
| CN106849812A (en) | A kind of asynchronous motor control method based on flux compensation | |
| CN108551285A (en) | Direct Torque Control System for Permanent Magnet Synchronous Motor and method based on double synovial membrane structures | |
| CN110601628A (en) | Model-free prediction current control method based on extended state observer | |
| CN108964563B (en) | Induction motor direct torque control method based on non-smooth control technology | |
| CN113395028B (en) | Method for forming flux linkage observer based on voltage and current hybrid model | |
| CN109510539B (en) | Model prediction flux linkage control system and method based on gain matrix | |
| Stănică et al. | A brief review of sensorless AC motors control | |
| CN114499307A (en) | Current loop decoupling control method for permanent magnet synchronous motor | |
| CN117895851A (en) | Full-speed domain control method for surface-mounted permanent magnet synchronous motor | |
| CN109617482A (en) | The L2 sliding-mode control of permanent magnet synchronous motor | |
| CN112928959B (en) | Permanent magnet synchronous motor position sensorless control method | |
| CN113067506B (en) | Permanent magnet synchronous motor periodic disturbance suppression method based on inner model equivalent input interference | |
| CN116317756A (en) | Permanent magnet synchronous linear motor sliding mode control method based on approach law and disturbance compensation | |
| CN108718165A (en) | A kind of induction machine zero-frequency stable control method based on error compensation | |
| CN115133828A (en) | Permanent magnet synchronous motor control method and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220628 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |