CN114039458A - Permanent magnet synchronous motor rotation transformation decoding method and system - Google Patents
Permanent magnet synchronous motor rotation transformation decoding method and system Download PDFInfo
- Publication number
- CN114039458A CN114039458A CN202111195038.5A CN202111195038A CN114039458A CN 114039458 A CN114039458 A CN 114039458A CN 202111195038 A CN202111195038 A CN 202111195038A CN 114039458 A CN114039458 A CN 114039458A
- Authority
- CN
- China
- Prior art keywords
- rotary transformer
- feedback signal
- decoding
- module
- fault
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 32
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 22
- 230000009466 transformation Effects 0.000 title description 3
- 230000005284 excitation Effects 0.000 claims abstract description 50
- 230000003750 conditioning effect Effects 0.000 claims description 18
- 230000003321 amplification Effects 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 6
- 230000002159 abnormal effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
-
- 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
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/06—Arrangements for speed regulation of a single motor wherein the motor speed is measured and compared with a given physical value so as to adjust the motor speed
-
- 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
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/14—Electronic commutators
- H02P6/16—Circuit arrangements for detecting position
-
- 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
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/14—Electronic commutators
- H02P6/16—Circuit arrangements for detecting position
- H02P6/17—Circuit arrangements for detecting position and for generating speed information
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The application discloses a method and a device for decoding a permanent magnet synchronous motor resolver, which comprise the following steps: the rotary transformer decoding chip outputs a first excitation signal to the rotary transformer so as to excite the rotary transformer to output a first feedback signal to the rotary transformer decoding chip, and the rotary transformer decoding chip performs hardware decoding according to the first feedback signal and judges whether a fault exists or not based on the first feedback signal; if a fault exists, the SPI module in the single chip microcomputer reads fault information from the rotary transformer decoding chip, the DSADC module in the single chip microcomputer starts and outputs a second excitation signal to the rotary transformer to excite the rotary transformer to output a second feedback signal to the DSADC module, the DSADC module performs software decoding according to the second feedback signal to obtain angle information, software decoding is started when the rotary transformer wire harness or the decoding circuit has an abnormal fault in the hardware decoding process, the reliability of a rotary transformer decoding system is improved, the safety level of the system is improved, and the safety of production and property of drivers and passengers is guaranteed.
Description
Technical Field
The application relates to the technical field of automobile safety, in particular to a permanent magnet synchronous motor rotation transformation decoding method and system.
Background
With the continuous development of electric vehicles, people have higher requirements on the reliability of the electric vehicles. The motor controller of the electric automobile is a core safety component of the electric automobile, and the rotary transformer decoding mode of the existing permanent magnet synchronous motor cannot decode the angular position of a motor rotor when a rotary transformer wire harness or a decoding circuit has an abnormal fault, so that the rotary transformer fault is reported by the whole automobile, the safety accident is easily caused by the loss of the power of the automobile, and the life safety of drivers and passengers is endangered. Therefore, it is very important to provide a decoding method that can use software decoding as a backup scheme in time when the original hardware decoding fails abnormally.
Disclosure of Invention
The application mainly aims to provide a permanent magnet synchronous motor rotation transformer decoding method and system, and aims to solve the technical problem that when hardware decoding fails, the whole vehicle failure is reported immediately, so that the vehicle loses power.
In a first aspect, the present application provides a method for decoding a resolver of a permanent magnet synchronous motor, the method comprising the steps of:
the rotary transformer decoding chip outputs a first excitation signal to a rotary transformer so as to excite the rotary transformer to output a first feedback signal to the rotary transformer decoding chip, and the rotary transformer decoding chip performs hardware decoding according to the first feedback signal and judges whether a fault exists or not based on the first feedback signal;
if no fault exists, the rotary transformer decoding chip obtains angle information through hardware decoding;
if a fault exists, the SPI module in the single chip microcomputer reads the fault information from the rotary transformer decoding chip, the DSADC module in the single chip microcomputer starts and outputs a second excitation signal to the rotary transformer so as to excite the rotary transformer to output a second feedback signal to the DSADC module, and the DSADC module performs software decoding according to the second feedback signal to obtain angle information.
In some embodiments, said detecting whether there is a fault comprises:
the rotary transformer decoding chip judges whether a fault exists by detecting whether the voltage, the phase and the deviation of the first feedback signal reach a set value.
In some embodiments, the detecting, by the rotation decoding chip, whether the first feedback signal voltage reaches a set value includes:
when the voltage of the first feedback signal is detected to be 0V or 5V, determining that the fault is an open-circuit fault;
and when the voltage of the first feedback signal is detected to be 2.5V, determining that the fault is a short-circuit fault.
In some embodiments, before the resolver outputs the first feedback signal to the resolver decoding chip, the method further includes:
bias filtering the first feedback signal using a first conditioning circuit.
In some embodiments, before the starting DSADC module outputs the second excitation signal to the resolver, the method further includes:
and performing power amplification on the second excitation signal by using an excitation amplification circuit.
In some embodiments, before the resolver outputs the second feedback signal to the DSADC module, the method further includes:
bias filtering the second feedback signal using a second conditioning circuit.
In a second aspect, the present application also provides a permanent magnet synchronous motor resolver decoding system, the system comprising: the device comprises a rotary transformer decoding chip, a rotary transformer and a single chip microcomputer, wherein the single chip microcomputer comprises an SPI module and a DASDC module;
the rotary transformer decoding chip is used for outputting a first excitation signal;
the rotary transformer is used for receiving the first excitation signal and outputting a first feedback signal according to the first excitation signal;
the rotary transformer decoding chip is also used for receiving the first feedback signal, performing hardware decoding according to the first feedback signal, and judging whether a fault exists or not based on the first feedback signal;
if no fault exists, the rotary transformer decoding chip obtains angle information through hardware decoding;
if a fault exists, the SPI module is used for reading fault information from the rotary transformer decoding chip, the DASDC module is used for outputting a second excitation signal to the rotary transformer, the rotary transformer is used for outputting a second feedback signal to the DSADC module according to the second excitation signal, and the DSADC module is used for performing software decoding according to the second feedback signal to obtain angle information.
In some embodiments, the rotation-change decoding chip is further configured to detect whether the voltage, the phase and the deviation of the first feedback signal reach set values to determine whether a fault exists.
In some embodiments, the system further comprises: a first conditioning circuit for bias filtering the first feedback signal before the rotary transformer outputs the first feedback signal to the rotary transformer decoding chip.
In some embodiments, the system further comprises: and the excitation amplifying circuit is used for performing power amplification on the second excitation signal before the starting DSADC module outputs the second excitation signal to the rotary transformer.
In some embodiments, the system further comprises: a second conditioning circuit: the second feedback signal is offset filtered before the resolver outputs the second feedback signal to the DSADC module.
The application provides a method and a system for decoding a permanent magnet synchronous motor resolver, wherein a resolver decoding chip outputs a first excitation signal to a resolver so as to excite the resolver to output a first feedback signal to the resolver decoding chip, and the resolver decoding chip performs hardware decoding according to the first feedback signal and judges whether a fault exists or not based on the first feedback signal; if no fault exists, the rotary transformer decoding chip obtains angle information through hardware decoding; if a fault exists, the SPI module in the single chip microcomputer reads the fault information from the rotary transformer decoding chip, the DSADC module in the single chip microcomputer starts and outputs a second excitation signal to the rotary transformer so as to excite the rotary transformer to output a second feedback signal to the DSADC module, and the DSADC module performs software decoding according to the second feedback signal to obtain angle information, so that in the process of hardware decoding, the software decoding is started when an abnormal fault occurs in a rotary transformer wire harness or a decoding circuit, the reliability of a rotary transformer decoding system is improved, the safety level of the system is improved, and the safety of production and property of drivers and passengers is ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic flowchart of a permanent magnet synchronous motor rotation decoding method according to an embodiment of the present disclosure;
fig. 2 is a schematic block diagram of a permanent magnet synchronous motor resolver decoding system according to an embodiment of the present disclosure.
The implementation, functional features and advantages of the objectives of the present application will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The flow diagrams depicted in the figures are merely illustrative and do not necessarily include all of the elements and operations/steps, nor do they necessarily have to be performed in the order depicted. For example, some operations/steps may be decomposed, combined or partially combined, so that the actual execution sequence may be changed according to the actual situation.
Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
Referring to fig. 1, fig. 1 is a schematic flow chart of a permanent magnet synchronous motor resolver decoding method according to an embodiment of the present disclosure.
As shown in fig. 1, the method includes steps S1 through S3.
And step S1, the resolver decoding chip outputs a first excitation signal to the resolver to excite the resolver to output a first feedback signal to the resolver decoding chip, the resolver decoding chip performs hardware decoding according to the first feedback signal, and detects the first feedback signal to judge whether a fault exists.
It is worth mentioning that before the rotary transformer outputs the first feedback signal to the rotary transformer decoding chip, the first feedback signal also passes through the first conditioning circuit, the first conditioning circuit comprises a bias circuit and a filter, the bias circuit performs bias processing on the first feedback signal, and the filter removes interference frequency in the first feedback signal, so that when the first feedback signal enters the rotary transformer decoding chip for decoding, more accurate angle information can be obtained.
After the resolver decoding chip detects that the first feedback signal has faults, the faults can trigger fault bits of a register in the resolver decoding chip, and the register can store the faults.
It should be noted that detecting the first feedback signal to determine whether there is a fault specifically includes detecting whether the voltage, the phase and the deviation of the first feedback signal reach a set value, where the deviation refers to the deviation of data.
As a preferred embodiment, it is determined that the open fault has occurred in the process of performing step S1 when the voltage of the first feedback signal is detected to be 0V or 5V, and it may be determined that the short fault has occurred in the process of performing step S1 when the voltage of the first feedback signal is detected to be 2.5V.
And step S2, if the fault does not exist, the rotary transformer decoding chip obtains accurate angle information through hardware decoding.
Step S3, if the fault exists, the SPI module in the single chip reads the fault information from the rotary transformer decoding chip and reports the fault information to the single chip, the single chip receives the information after the fault and starts the DSADC module to output a second excitation signal to the rotary transformer so as to excite the rotary transformer to output a second feedback signal to the DSADC module, and the DSADC module performs software decoding according to the second feedback signal.
It should be noted that, when the single chip reads the failure information from the rotation decoding chip, it reads from the register of the rotation decoding chip.
Preferably, the DSADC module is started to output the second excitation signal, and before the second excitation signal reaches the resolver, the second excitation signal further passes through an excitation amplifying circuit, and the excitation amplifying circuit is configured to amplify the power of the second excitation signal, so that the power of the second excitation signal is sufficient to excite the resolver to generate the second feedback signal.
Furthermore, before the resolver outputs a second feedback signal to the DSADC module, the second feedback signal also passes through a second conditioning circuit, the second conditioning circuit includes a bias circuit and a filter, the bias circuit performs bias processing on the second feedback signal, and the filter removes interference frequency in the second feedback signal, so that when the second feedback signal enters the resolver decoding chip for decoding, more accurate angle information can be obtained.
Referring to fig. 2, fig. 2 is a schematic block diagram of a permanent magnet synchronous motor resolver decoding system according to an embodiment of the present disclosure.
As shown in fig. 2, the system includes: the device comprises a rotary transformer decoding chip, a rotary transformer and a single chip microcomputer, wherein the single chip microcomputer comprises an SPI module and a DASDC module;
the rotary transformer decoding chip is used for outputting a first excitation signal;
the rotary transformer is used for receiving the first excitation signal and outputting a first feedback signal according to the first excitation signal;
the rotary transformer decoding chip is also used for receiving the first feedback signal, performing hardware decoding according to the first feedback signal, and judging whether a fault exists or not based on the first feedback signal;
if no fault exists, the rotary transformer decoding chip obtains angle information through hardware decoding;
if a fault exists, the SPI module is used for reading fault information from the rotary transformer decoding chip, the DASDC module is used for outputting a second excitation signal to the rotary transformer, the rotary transformer is used for outputting a second feedback signal to the DSADC module according to the second excitation signal, and the DSADC module is used for performing software decoding according to the second feedback signal to obtain angle information.
As a preferred implementation manner, the system further includes a first conditioning circuit, the first conditioning circuit includes a bias circuit and a filter, the first conditioning circuit is configured to, before the resolver outputs the first feedback signal to the resolver decoding chip, perform bias processing on the first feedback signal by the bias circuit in the first conditioning circuit, and remove an interference frequency in the first feedback signal by the filter in the first conditioning circuit, so that when the first feedback signal enters the resolver decoding chip for decoding, more accurate angle information can be obtained.
Furthermore, a register is arranged in the resolver decoding chip, when the resolver decoding chip detects that the first feedback signal has a fault, the fault triggers a fault bit of the register, the register is used for storing information of the faults, and the singlechip is used for reading the fault information from the resolver decoding chip when the singlechip is used for reading the fault information from the resolver decoding chip.
It should be noted that the system further includes an excitation amplifying circuit and a second conditioning circuit, where the excitation amplifying circuit is configured to amplify the power of the second excitation signal before the DSADC module is started to output the second excitation signal and the second excitation signal reaches the resolver, so that the power of the second excitation signal is sufficient to excite the resolver to generate the second feedback signal. The second conditioning circuit comprises a bias circuit and a filter, wherein the bias circuit is used for carrying out bias processing on the second feedback signal, and the filter is used for removing interference frequency in the second feedback signal, so that more accurate angle information can be obtained when the second feedback signal enters a rotary-change decoding chip for decoding.
Exemplarily, the rotation-change decoding chip is further configured to determine a type of the fault according to a specific situation after detecting the fault, and specifically, to detect whether a voltage, a phase, and a deviation of the first feedback signal reach a set value, where the deviation refers to a deviation of data. And when the voltage of the first feedback signal is detected to be 0V or 5V, it is determined that an open fault has occurred in the line, and when the voltage of the first feedback signal is detected to be 2.5V, it is determined that a short fault has occurred in the line.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present application are merely for description and do not represent the merits of the embodiments. While the invention has been described with reference to specific embodiments, the scope of the invention is not limited thereto, and those skilled in the art can easily conceive various equivalent modifications or substitutions within the technical scope of the invention. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A permanent magnet synchronous motor rotary transformer decoding method is characterized by comprising the following steps:
the rotary transformer decoding chip outputs a first excitation signal to a rotary transformer so as to excite the rotary transformer to output a first feedback signal to the rotary transformer decoding chip, and the rotary transformer decoding chip performs hardware decoding according to the first feedback signal and judges whether a fault exists or not based on the first feedback signal;
if no fault exists, the rotary transformer decoding chip obtains angle information through hardware decoding;
if a fault exists, the SPI module in the single chip microcomputer reads the fault information from the rotary transformer decoding chip, the DSADC module in the single chip microcomputer starts and outputs a second excitation signal to the rotary transformer so as to excite the rotary transformer to output a second feedback signal to the DSADC module, and the DSADC module performs software decoding according to the second feedback signal to obtain angle information.
2. The pm synchronous motor resolver decoding method according to claim 1, wherein the detecting whether there is a fault comprises:
the rotary transformer decoding chip judges whether a fault exists by detecting whether the voltage, the phase and the deviation of the first feedback signal reach a set value.
3. The pm-electric synchronous motor resolver decoding method according to claim 2, wherein the resolver decoding chip detects whether the voltage of the first feedback signal reaches a set value, comprising:
when the voltage of the first feedback signal is detected to be 0V or 5V, determining that the fault is an open-circuit fault;
and when the voltage of the first feedback signal is detected to be 2.5V, determining that the fault is a short-circuit fault.
4. The rotating transformer decoding method of the permanent magnet synchronous motor according to claim 1, wherein the rotating transformer outputs the first feedback signal to a front of a rotating transformer decoding chip, further comprising:
bias filtering the first feedback signal using a first conditioning circuit.
5. The permanent magnet synchronous motor resolver decoding method according to claim 1,
before the starting DSADC module outputs the second excitation signal to the rotary transformer, the method further includes: and performing power amplification on the second excitation signal by using an excitation amplification circuit.
6. The PMSM resolver decoding method of claim 1, wherein before the resolver outputs the second feedback signal to the DSADC module, further comprising:
bias filtering the second feedback signal using a second conditioning circuit.
7. A permanent magnet synchronous motor rotary transformer decoding system is characterized by comprising: the device comprises a rotary transformer decoding chip, a rotary transformer and a single chip microcomputer, wherein the single chip microcomputer comprises an SPI module and a DASDC module;
the rotary transformer decoding chip is used for outputting a first excitation signal;
the rotary transformer is used for receiving the first excitation signal and outputting a first feedback signal according to the first excitation signal;
the rotary transformer decoding chip is also used for receiving the first feedback signal, performing hardware decoding according to the first feedback signal, and judging whether a fault exists or not based on the first feedback signal;
if no fault exists, the rotary transformer decoding chip obtains angle information through hardware decoding;
if a fault exists, the SPI module is used for reading fault information from the rotary transformer decoding chip, the DASDC module is used for outputting a second excitation signal to the rotary transformer, the rotary transformer is used for outputting a second feedback signal to the DSADC module according to the second excitation signal, and the DSADC module is used for performing software decoding according to the second feedback signal to obtain angle information.
8. The pm synchronous motor resolver decoding system according to claim 7, wherein the resolver decoding chip is further configured to detect whether the voltage, phase and deviation of the first feedback signal reach a set value to determine whether there is a fault.
9. The pm synchronous motor resolver decoding system according to claim 7, further comprising:
a first conditioning circuit for bias filtering the first feedback signal before the rotary transformer outputs the first feedback signal to the rotary transformer decoding chip.
10. The pm synchronous motor resolver decoding system according to claim 7, further comprising:
and the excitation amplifying circuit is used for performing power amplification on the second excitation signal before the starting DSADC module outputs the second excitation signal to the rotary transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111195038.5A CN114039458A (en) | 2021-10-12 | 2021-10-12 | Permanent magnet synchronous motor rotation transformation decoding method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111195038.5A CN114039458A (en) | 2021-10-12 | 2021-10-12 | Permanent magnet synchronous motor rotation transformation decoding method and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114039458A true CN114039458A (en) | 2022-02-11 |
Family
ID=80141385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111195038.5A Pending CN114039458A (en) | 2021-10-12 | 2021-10-12 | Permanent magnet synchronous motor rotation transformation decoding method and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114039458A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108988706A (en) * | 2018-07-30 | 2018-12-11 | 山东理工大学 | A kind of electric car driving permanent magnet synchronous motor rotation change decoding redundant apparatus and control method |
| CN110233588A (en) * | 2019-06-18 | 2019-09-13 | 山东理工大学 | A kind of electric car driving permanent-magnet synchronous motor rotor position detection redundant apparatus and control method |
| CN111030551A (en) * | 2019-10-24 | 2020-04-17 | 中冶南方（武汉）自动化有限公司 | Electric automobile software and hardware decoding redundancy circuit and switching method |
| CN112583307A (en) * | 2020-12-15 | 2021-03-30 | 潍柴动力股份有限公司 | Permanent magnet synchronous motor and soft decoding method and system of rotary transformer of permanent magnet synchronous motor |
-
2021
- 2021-10-12 CN CN202111195038.5A patent/CN114039458A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108988706A (en) * | 2018-07-30 | 2018-12-11 | 山东理工大学 | A kind of electric car driving permanent magnet synchronous motor rotation change decoding redundant apparatus and control method |
| CN110233588A (en) * | 2019-06-18 | 2019-09-13 | 山东理工大学 | A kind of electric car driving permanent-magnet synchronous motor rotor position detection redundant apparatus and control method |
| CN111030551A (en) * | 2019-10-24 | 2020-04-17 | 中冶南方（武汉）自动化有限公司 | Electric automobile software and hardware decoding redundancy circuit and switching method |
| CN112583307A (en) * | 2020-12-15 | 2021-03-30 | 潍柴动力股份有限公司 | Permanent magnet synchronous motor and soft decoding method and system of rotary transformer of permanent magnet synchronous motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110650878B (en) | Abnormality determination device, abnormality determination method, and computer-readable storage medium | |
| CN111030551B (en) | Electric automobile software and hardware decoding redundancy circuit and switching method | |
| CN106911122B (en) | A kind of motor controller overcurrent protective device, electric machine controller and electric car | |
| KR20110041034A (en) | Method and apparatus for detecting trouble of steering angle sensor initialization | |
| KR20170131584A (en) | Method for protecting configuration data from a data bus transceiver, data bus transceiver and data bus system | |
| JP2006226805A (en) | On-vehicle failure diagnosis system | |
| JP2006253921A (en) | Network system for vehicle | |
| CN111919127B (en) | Method for testing a bridge of output stages in a rotating machine | |
| CN114039458A (en) | Permanent magnet synchronous motor rotation transformation decoding method and system | |
| CN111130935A (en) | Method, device and equipment for testing fast and slow recovery time of CAN Bus off and storage medium | |
| JP2005041273A (en) | Method and device for collecting diagnostic data | |
| JP2007049835A (en) | Device and method for controlling rotating electric machine | |
| CN111636955B (en) | Heavy diesel vehicle and engine aftertreatment anti-cheating method and system thereof | |
| CN117749029A (en) | Rotary decoding redundancy processing method and device, electronic equipment and storage medium | |
| CN113548028B (en) | Method and system for guaranteeing reliability of braking system of formula racing car without man | |
| JP2016135657A (en) | Vehicle data storage device | |
| JP3251038B2 (en) | Measuring device | |
| US20110266985A1 (en) | Method and device for monitoring the startup of an electric drive | |
| JPH1148908A (en) | Failure detecting device for air bag device | |
| CN110635725A (en) | Method for determining an offset of a rotor position sensor, control device for an inverter, and electric machine for a vehicle | |
| CN110661473A (en) | Hardware redundancy method for EPS motor phase current detection | |
| CN104767450B (en) | motor control system and method | |
| JP2006261730A (en) | Network system to which option node is connected | |
| KR102494391B1 (en) | Motor Position Sensor Fault Finding and Compensation Method | |
| KR20130003976A (en) | Electronic control power steering electronic control unit and running reset processing method using the same |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220211 |