CN111797495A - Simulink modeling method for single-winding magnetic suspension switched reluctance motor - Google Patents
Simulink modeling method for single-winding magnetic suspension switched reluctance motor Download PDFInfo
- Publication number
- CN111797495A CN111797495A CN202010423413.6A CN202010423413A CN111797495A CN 111797495 A CN111797495 A CN 111797495A CN 202010423413 A CN202010423413 A CN 202010423413A CN 111797495 A CN111797495 A CN 111797495A
- Authority
- CN
- China
- Prior art keywords
- winding
- model
- switched reluctance
- reluctance motor
- torque
- 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.)
- Granted
Links
- 238000004804 winding Methods 0.000 title claims abstract description 111
- 239000000725 suspension Substances 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000004088 simulation Methods 0.000 claims abstract description 21
- 230000004907 flux Effects 0.000 claims abstract description 8
- 238000006073 displacement reaction Methods 0.000 claims abstract description 7
- 238000004364 calculation method Methods 0.000 claims description 7
- 238000005339 levitation Methods 0.000 claims 1
- 238000009795 derivation Methods 0.000 abstract description 3
- 238000013178 mathematical model Methods 0.000 abstract 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004422 calculation algorithm Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
- G06F17/11—Complex mathematical operations for solving equations, e.g. nonlinear equations, general mathematical optimization problems
Abstract
The invention relates to a single-winding magnetic suspension switched reluctance motor simulink modeling method, which solves winding current by establishing a model through analyzing the relation among bus voltage of each winding, winding current, winding inductance, winding resistance and flux linkage. Introducing simulation data of a single-winding magnetic suspension switched reluctance motor in ANSOFT (ANSOFT), and establishing a relation model of winding current A1, a rotor position angle and winding inductance through a two-dimensional interpolation module in simulink; and respectively establishing a relation model of winding current, in-phase coaxial tooth pole winding current, rotor position angle, suspension force and torque through a three-dimensional interpolation module. Finally, parameters such as winding current, suspension force, torque, motor rotating speed, rotor radial displacement and the like of the single-winding magnetic suspension switched reluctance motor can be solved through the model. The single-winding magnetic suspension switched reluctance motor simulink modeling method disclosed by the invention avoids the derivation of a complex single-winding magnetic suspension switched reluctance motor mathematical model, and has the advantages of high modeling precision and wide simulation parameter range.
Description
Technical Field
The invention relates to a single-winding magnetic suspension switched reluctance motor simulink modeling method.
Background
The magnetic suspension switched reluctance motor combines the magnetic bearing and switched reluctance motor technology, can simultaneously realize two-degree-of-freedom suspension and electromagnetic torque generation of the motor, shortens the axial length of the motor and effectively improves the critical rotating speed of the motor on the basis of keeping the characteristics of no friction and no mechanical wear of the magnetic bearing. The speed regulation device has the advantages of excellent speed regulation performance, strong fault tolerance performance, simple structure, low cost and the like. The single-winding magnetic suspension switched reluctance motor only has one set of winding on each stator tooth pole, controls the torque and the suspension force simultaneously, and has the 12 sets of windings controlled independently, so that under the same excitation current, the suspension force and the torque value are larger, the slot filling rate and the power density are high, and the control is more flexible.
At present, mathematical modeling methods of a single-winding magnetic suspension switched reluctance motor mainly include a Maxwell stress method and a virtual displacement method, and the Maxwell stress method and the virtual displacement method have the problems of difficult derivation, strong limitation on winding current range, inaccurate model and the like, and bring difficulty to control research and simulation of the motor.
Disclosure of Invention
The invention aims to provide a single-winding magnetic suspension switched reluctance motor simulink modeling method which can effectively solve the problems of complex derivation process, difficult modeling, low accuracy, strong limitation of winding current range and weak algorithm adaptability of the current motor simulation model.
In order to solve the technical problems, the invention is realized by the following technical scheme: a single-winding magnetic suspension switched reluctance motor simulink modeling method comprises the following steps:
A. acquiring the relation among the bus voltage, the winding current, the winding resistance and the flux linkage of each winding of the single-winding magnetic suspension switched reluctance motor, and establishing a winding current solving model;
B. introducing ANSOFT winding inductance simulation values at different winding currents and rotor position angles, introducing the two-dimensional data table into a two-dimensional interpolation table of a simulink platform, and establishing an inductance model with the input of the winding currents and the output of the rotor position angles as the winding inductances;
C. obtaining the value of the winding current through the winding current solving model in the step A and the inductance model in the step B;
D. importing ANSOFT (analog-to-digital converter) suspension force simulation values at different winding currents and different rotor position angles, importing a three-dimensional data table into a three-dimensional interpolation table of a simulink platform, and establishing a suspension force model with the input of the two tooth pole winding currents and the output of the rotor position angles as suspension force;
E. introducing ANSOFT torque simulation values at different winding currents and rotor position angles, introducing the three-dimensional data table into a three-dimensional interpolation table of a simulink platform, and establishing a torque model with the input of two tooth pole winding currents and the output of the rotor position angle as torque;
F. a single-phase motor model is established based on a simulink platform, a single-phase winding current solving model, an inductance model, a suspension force model and a torque model are input, single-phase torque, suspension force and current can be solved, and the obtained current value can provide signal support for control research of a motor;
G. an integral motor model is established based on a simulink platform, and the suspension force and the torque of each phase in the three phases are respectively input into a displacement calculation module and an angle calculation module to output the rotating speed, the rotating angle and the radial displacement of the motor.
Preferably, the voltage relationship of the single tooth pole is as follows:
ψ＝L(i,θ)×i
wherein U is the bus voltage, R is the winding resistance, and psi is the flux linkage.
Compared with the prior art, the invention has the advantages that: the simulation model is suitable for simulation of the nonlinear and linear intervals of the single-winding magnetic suspension switched reluctance motor, the problem that the control simulation research of the single-winding magnetic suspension switched reluctance motor is only limited to the linear interval is solved, the motor operation interval is widened, the accuracy of the model is greatly improved, the simulation model is more suitable for real objects, some extreme conditions under the operation of the single-winding magnetic suspension switched reluctance motor can be simulated, and the operation accuracy and the system robustness can be effectively enhanced by applying the simulation model to an actual single-winding magnetic suspension switched reluctance motor control system.
Compared with the traditional modeling method of the single-winding magnetic suspension switched reluctance motor, the modeling method considers the magnetic saturation characteristic, and the two-dimensional interpolation table module of the simulink platform is utilized, so that the complicated inductance analysis and calculation are avoided, and the accurate modeling of the inductance is realized.
Compared with the traditional modeling method, the suspension force model considers the magnetic saturation characteristic of the magnetic group motor, breaks through the limitation that the torque current component of a single tooth pole is necessarily larger than the current component of the suspension force, and can simulate the suspension force of the motor under any value of the winding current.
And step E, compared with the traditional modeling method, the magnetic saturation characteristic of the magnetic group motor is considered in the suspension force model, the limitation that the torque current component of a single tooth pole must be larger than the current component of the suspension force is broken through, and the motor torque under any value of the winding current can be simulated.
Drawings
FIG. 1 is a structural diagram of a single-winding magnetic suspension switched reluctance motor;
FIG. 2 is a modeling flow chart of a single-winding magnetic suspension switched reluctance motor simulink modeling method provided by the invention;
FIG. 3 is an A-phase model of the single-winding magnetic suspension switched reluctance motor simulink modeling method provided by the invention;
fig. 4 is an overall model of the single-winding magnetic suspension switched reluctance motor simulink modeling method provided by the invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
As shown in figure 1, the stator consists of A, B, C phases, each stator tooth pole is wound with independently controlled windings, and four tooth poles which are separated by 90 degrees form one phase and have three phases. The A-phase winding consists of four windings A1, A2, A3 and A4, the B-phase winding and the C-phase winding are respectively placed at the positions of the A-phase winding, which are 30 degrees and 60 degrees anticlockwise, the A2 and A4, and the A1 and A3 are coaxial in-phase windings, and the rotor position angle is defined as the included angle between the rotor teeth and the stator teeth.
A single-winding magnetic suspension switched reluctance motor simulink modeling method comprises the following steps:
A. performing single-winding magnetic suspension switched reluctance motor simulink modeling according to a flow chart shown in fig. 2, and analyzing the relationship among the bus voltage, the winding current, the winding inductance, the winding resistance and the flux linkage of each winding of the single-winding magnetic suspension switched reluctance motor to obtain the following relationship:
ψ＝L(i,θ)×i
wherein U is the bus voltage, R is the winding resistance, and psi is the flux linkage. And aiming at the relational expression, establishing a winding current solving model based on a simulink platform.
B. And importing ANSOFT winding inductance simulation values at different winding currents and rotor position angles, importing the two-dimensional data table into a two-dimensional interpolation table of a simulink platform, and establishing an inductance model with the input of the winding current and the output of the rotor position angle as the winding inductance.
C. And the winding current value can be obtained through a winding current solving model and an inductance model.
D. And importing ANSOFT (analog-to-digital converter) suspension force simulation values at different winding currents and different rotor position angles, importing the three-dimensional data table into a three-dimensional interpolation table of a simulink platform, and establishing a suspension force model with the input of the two tooth pole winding currents and the output of the rotor position angles as suspension force.
E. Introducing ANSOFT torque simulation values at different winding currents and rotor position angles, introducing the three-dimensional data table into a three-dimensional interpolation table of a simulink platform, and establishing a torque model with the input of two tooth pole winding currents and the output of the rotor position angle as torque.
According to the principle of mechanics vector synthesis, the suspension force of the alpha axis and the beta axis is obtained through conversion:
and summing the torque values of the teeth to obtain the motor torque.
The radial position of the rotor can be obtained by the equation of motion as follows:
according to the torque mechanical equation, the rotor speed can be obtained:
wherein
To be a friction coefficient, ω represents the motor angular velocity.
F. According to the flow chart, modeling is carried out based on a simlink platform, fig. 3 is a motor model of a motor phase A, a rotor angle, a winding A1, a winding A2, a winding A3 and a winding A4 are input, and a winding current solving model, an inductance model, a suspension force model and a torque model are input, so that torque, suspension force and current of the phase A can be solved.
G. Fig. 4 is an integral model, an B, C-phase motor is established by referring to the motor model of the a-phase, and the suspension force and the torque are respectively input into the displacement calculation module and the angle calculation module to output the rotation speed, the rotation angle and the radial displacement of the motor.
The modeling method is suitable for the nonlinear and linear interval simulation of the single-winding magnetic suspension switched reluctance motor, the problem that the control simulation research of the single-winding magnetic suspension switched reluctance motor is only limited to the linear interval is solved, the accuracy of the model is greatly improved, the simulation model is more suitable for real objects, and some extreme conditions of the single-winding magnetic suspension switched reluctance motor under operation can be simulated.
The above description is only an embodiment of the present invention, but the technical features of the present invention are not limited thereto, and any changes or modifications within the technical field of the present invention by those skilled in the art are covered by the claims of the present invention.
Claims (2)
1. A single-winding magnetic suspension switched reluctance motor simulink modeling method is characterized by comprising the following steps: the method comprises the following steps:
A. acquiring the relation among the bus voltage, the winding current, the winding resistance and the flux linkage of each winding of the single-winding magnetic suspension switched reluctance motor, and establishing a winding current solving model;
B. introducing ANSOFT winding inductance simulation values at different winding currents and rotor position angles, introducing the two-dimensional data table into a two-dimensional interpolation table of a simulink platform, and establishing an inductance model with the input of the winding currents and the output of the rotor position angles as the winding inductances;
C. obtaining the value of the winding current through the winding current solving model in the step A and the inductance model in the step B;
D. importing ANSOFT (analog-to-digital converter) suspension force simulation values at different winding currents and different rotor position angles, importing a three-dimensional data table into a three-dimensional interpolation table of a simulink platform, and establishing a suspension force model with the input of the two tooth pole winding currents and the output of the rotor position angles as suspension force;
E. introducing ANSOFT torque simulation values at different winding currents and rotor position angles, introducing the three-dimensional data table into a three-dimensional interpolation table of a simulink platform, and establishing a torque model with the input of two tooth pole winding currents and the output of the rotor position angle as torque;
F. a single-phase motor model is established based on a simulink platform, and a single-phase winding current solving model, an inductance model, a suspension force model and a torque model are input to solve to obtain single-phase torque, suspension force and current;
G. an integral motor model is established based on a simulink platform, and the suspension force and the torque of each phase in the three phases are respectively input into a displacement calculation module and an angle calculation module to output the rotating speed, the rotating angle and the radial displacement of the motor.
2. The single-winding magnetic levitation switched reluctance motor simulink modeling method as claimed in claim 1, wherein: in the step A, the bus voltage, the winding current, the winding resistance and the flux linkage relation of each winding of the single-winding magnetic suspension switch reluctance are as follows:
ψ＝L(i,θ)×i
wherein U is the bus voltage, R is the winding resistance, and psi is the flux linkage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010423413.6A CN111797495B (en) | 2020-05-19 | 2020-05-19 | Single-winding magnetic suspension switch reluctance motor simulink modeling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010423413.6A CN111797495B (en) | 2020-05-19 | 2020-05-19 | Single-winding magnetic suspension switch reluctance motor simulink modeling method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111797495A true CN111797495A (en) | 2020-10-20 |
| CN111797495B CN111797495B (en) | 2024-02-20 |
Family
ID=72806127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010423413.6A Active CN111797495B (en) | 2020-05-19 | 2020-05-19 | Single-winding magnetic suspension switch reluctance motor simulink modeling method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111797495B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5525886A (en) * | 1994-06-23 | 1996-06-11 | General Electric Company | Low speed position estimator for switched reluctance machine using flux/current model |
| CN104283393A (en) * | 2014-09-25 | 2015-01-14 | 南京工程学院 | Method for optimizing structure parameter of single-winding magnetic suspension switch reluctance machine |
| US20150220484A1 (en) * | 2012-10-22 | 2015-08-06 | China University Of Mining And Technology | Memristor linear modeling method for switched reluctance motor |
| CN106059425A (en) * | 2016-02-16 | 2016-10-26 | 国家电网公司 | Control method for dual-winding magnetic suspension switched reluctance generator |
-
2020
- 2020-05-19 CN CN202010423413.6A patent/CN111797495B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5525886A (en) * | 1994-06-23 | 1996-06-11 | General Electric Company | Low speed position estimator for switched reluctance machine using flux/current model |
| US20150220484A1 (en) * | 2012-10-22 | 2015-08-06 | China University Of Mining And Technology | Memristor linear modeling method for switched reluctance motor |
| CN104283393A (en) * | 2014-09-25 | 2015-01-14 | 南京工程学院 | Method for optimizing structure parameter of single-winding magnetic suspension switch reluctance machine |
| CN106059425A (en) * | 2016-02-16 | 2016-10-26 | 国家电网公司 | Control method for dual-winding magnetic suspension switched reluctance generator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111797495B (en) | 2024-02-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108880358A (en) | Method for controlling permanent magnet synchronous motor and device based on angular displacement without Time Delay Observer | |
| CN112380670B (en) | Modeling method and system for sectional power supply linear induction motor based on virtual rotor | |
| CN108512473B (en) | Direct torque control method for three-phase four-switch permanent magnet synchronous motor speed regulation system | |
| CN112468038B (en) | Permanent magnet synchronous motor MTPA control current track searching method and online control method | |
| CN110112974A (en) | Motor control method, controller, storage medium and motor driven systems | |
| CN108983099B (en) | Control method of load simulation system of permanent magnet synchronous motor | |
| CN112910359A (en) | Improved permanent magnet synchronous linear motor model prediction current control method | |
| Zhang et al. | Optimization design of halbach permanent magnet motor based on multi-objective sensitivity | |
| CN114142774A (en) | PMSM phase current reconstruction method based on sine curve fitting observer | |
| CN111797495B (en) | Single-winding magnetic suspension switch reluctance motor simulink modeling method | |
| CN110661463B (en) | Design method of fractional order PID sliding-mode observer suitable for magnetic suspension spherical motor | |
| CN110765581B (en) | Modeling method of twelve-phase permanent magnet synchronous motor | |
| CN101902192B (en) | Direct automatic control method of hybrid stepper motor | |
| CN104022707B (en) | Based on asynchronous machine speed control device and the implementation method of rotor flux observer | |
| CN112468037B (en) | Permanent magnet synchronous motor MTPV control current track searching method and online control method | |
| CN112468032B (en) | Full-speed domain efficiency MAP graph generation method of permanent magnet synchronous motor | |
| CN115001335A (en) | Bearing-free flux switching motor rotor suspension control method based on neural network | |
| CN109995296B (en) | Method for optimally controlling torque and suspension force of bearingless switched reluctance motor | |
| CN113761819A (en) | Method and system for controlling linear induction motor with unequal length segmented power supply | |
| CN107733310B (en) | Speed-sensor-free control method suitable for large-torque starting of asynchronous motor | |
| CN111562750A (en) | Permanent magnet synchronous motor simulator based on fourth-order diagonal implicit RK algorithm | |
| CN111865164A (en) | Control method for permanent magnet semi-direct-drive wind turbine generator without position sensor | |
| Zhiyong et al. | UML modeling for dynamic logistics system based on DEVS | |
| CN111510045B (en) | Construction method of position-sensor-free controller of hub motor | |
| CN113098349B (en) | Discrete space vector modulation permanent magnet synchronous motor model prediction control method |
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 |