CN109305051A - Control method, power mechanism, electric vehicle and the readable storage medium storing program for executing of motor - Google Patents
Control method, power mechanism, electric vehicle and the readable storage medium storing program for executing of motor Download PDFInfo
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- CN109305051A CN109305051A CN201811143885.5A CN201811143885A CN109305051A CN 109305051 A CN109305051 A CN 109305051A CN 201811143885 A CN201811143885 A CN 201811143885A CN 109305051 A CN109305051 A CN 109305051A
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector 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
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/60—Controlling or determining the temperature of the motor or of the drive
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- 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
- Y02T10/72—Electric energy management in electromobility
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Control Of Ac Motors In General (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a kind of control method of motor, power mechanism, electric vehicle and readable storage medium storing program for executing, wherein the control method of motor includes: to receive adjustment torque command, and the adjustment torque command includes target torque；According to the calibration power of predetermined torque and calibration power mapping table inquiry control power device corresponding with the target torque；According to the calibration power, adjustment phase current and adjustment phase voltage is calculated, the adjustment phase current and the product for adjusting phase voltage are equal to or less than the calibration power；The control power device switching frequency is adjusted, to control the motor according to the adjustment phase current and adjustment phase voltage.The present invention can reduce existing power controller since electric current and voltage cycle fluctuation lead to the technical issues of generating heat.
Description
Technical field
The present invention relates to technical field of vehicle control, and in particular to a kind of control method of motor, power mechanism, electric vehicle
And readable storage medium storing program for executing.
Background technique
In pure electric automobile driving process, entire car controller calculates currently according to current speed and accelerator pedal aperture
Torque request needed for vehicle controls power device according to the input current and input voltage of torque request power controller, with control
Motor makes the function of required power.When using metal-oxide-semiconductor as power controller, is realized by switching frequency and change direct current
For alternating current, and then driving motor is operated.Power device carries out in switching process, due to electric current and voltage cycle wave
It is dynamic, output power is caused into periodic overload fluctuation, and it is unstable in turn result in output, causes power controller to generate unnecessary
Heat.
Above content is only used to facilitate the understanding of the technical scheme, and is not represented and is recognized that above content is existing skill
Art.
Summary of the invention
The main purpose of the present invention is to provide a kind of control method of motor, power mechanism, electric vehicle and readable deposit
Storage media, it is intended to solve existing power controller since electric current and voltage cycle fluctuation lead to the technical issues of generating heat.
To achieve the above object, the present invention provides a kind of control method of motor, comprising:
Adjustment torque command is received, the adjustment torque command includes target torque；
According to the standard of predetermined torque and calibration power mapping table inquiry control power device corresponding with the target torque
Power；
According to the calibration power, it is calculated adjustment phase current and adjustment phase voltage, the adjustment phase current and described
The product for adjusting phase voltage is equal to or less than the calibration power；
The control power device switching frequency is adjusted, to control the electricity according to the adjustment phase current and adjustment phase voltage
Machine.
Preferably, described that the corresponding calibration power of the target torque is inquired according to predetermined torque and calibration power mapping table
The step of before, further includes:
According to default phase current phase voltage table, the corresponding default phase voltage of the target torque and default phase current are inquired；
According to the product of the default phase voltage and the default phase current, the corresponding institute of the target torque is calculated
State calibration power.
Preferably, before the step of reception adjustment torque command, further includes:
Obtain the current vehicle speed of the vehicle and the accelerator pedal aperture of the vehicle；
Torque is calculated according to the current vehicle speed and the accelerator pedal aperture, and generates the adjustment torque and refers to
It enables.
Preferably, described according to the calibration power, adjustment phase current is calculated and includes: the step of adjusting phase voltage
The parameter of electric machine is obtained, and desired voltage is obtained according to the parameter of electric machine and the calibration power, the tune is set
Whole phase voltage is equal to the desired voltage；
According to the mechanical periodicity of the adjustment phase voltage, the input current of the control power device is adjusted, so that described defeated
The product of electric current and the adjustment phase voltage is less than or equal to the calibration power out, and it is described defeated that the adjustment phase current, which is arranged,
Electric current out.
Preferably, the adjustment control power device switching frequency, with mutually electric with adjustment according to the adjustment phase current
After the step of voltage-controlled system motor, comprising:
Whether the output voltage for detecting the control power device is equal to the adjustment phase voltage；
If the adjustment phase voltage is not equal to the output voltage, the adjustment phase voltage and the output voltage are calculated
Difference；
The input voltage is adjusted according to the difference.
In addition, to achieve the above object, the present invention also provides a kind of power mechanism, including multiple power controllers and
Motor, memory, processor and it is stored in the computer program that can be run on the memory and on the processor, it is described
Computer program realizes the step of control method of motor as the aforementioned when being executed by the processor.
Preferably, the power controller is metal-oxide-semiconductor, and the product of the output electric current of the output voltage sum of the metal-oxide-semiconductor is small
In or equal to the calibration power.
In addition, to achieve the above object, the present invention also provides a kind of electric vehicle, including power battery and as aforementioned
Power mechanism, the power mechanism include power controller, motor, memory, processor and are stored on the memory simultaneously
The computer program that can be run on the processor is realized as the aforementioned when the computer program is executed by the processor
The step of control method of motor.
Preferably, the power controller is metal-oxide-semiconductor, and the product of the output electric current of the output voltage sum of the metal-oxide-semiconductor is small
In or equal to the calibration power.
In addition, to achieve the above object, the present invention also provides a kind of readable storage medium storing program for executing, being deposited on the readable storage medium storing program for executing
Computer program is contained, the computer program realizes the control method of motor as the aforementioned when being executed by processor the step of.
Control method, power mechanism, electric vehicle and the readable storage medium storing program for executing for a kind of motor that the embodiment of the present invention proposes,
By calculating so that the product of the adjustment phase current and the adjustment phase voltage is equal to or less than the calibration power, and passes through
The control power device switching frequency is adjusted, to control the motor according to the adjustment phase current and adjustment phase voltage, thus
Changing the output of control power device to be periodically greater than calibration power is periodically to be less than calibration power, reduces control power device
Fever, while increasing the utilization rate of electric energy.
Detailed description of the invention
Fig. 1 is the power mechanism structural schematic diagram for the hardware running environment that the embodiment of the present invention is related to；
Fig. 2 is the flow diagram of the control method first embodiment of motor of the present invention；
Fig. 3 is the schematic illustration of one embodiment of control method of motor of the present invention；
Fig. 4 is the flow diagram of the control method second embodiment of motor of the present invention；
Fig. 5 is the flow diagram of the control method 3rd embodiment of motor of the present invention；
Fig. 6 is the flow diagram of the control method fourth embodiment of motor of the present invention；
Fig. 7 is the flow diagram of the 5th embodiment of control method of motor of the present invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
As shown in Figure 1, the intelligent mobile terminal structure that Fig. 1 is the hardware running environment that the embodiment of the present invention is related to is shown
It is intended to.
Power mechanism in the embodiment of the present invention is in electric vehicle.
As shown in Figure 1, the electric vehicle may include: processor 1001, such as CPU, communication bus 1002, motor
1003, memory 1004 controls power device 1005.Wherein, communication bus 1002 is logical for realizing the connection between these components
Letter.Memory 1004 can be high speed RAM memory, be also possible to stable memory (non-volatile memory), example
Such as magnetic disk storage.Memory 1004 optionally can also be the storage device independently of aforementioned processor 1001.Processor
Direct current is switched to alternating current by the 1001 control control power devices, and the alternating current is used for motor 1003 and is operated, motor
1003 driving vehicle wheel rotations.Optionally, power mechanism can also include drive shaft, driven shaft, suspension, shock absorber etc..Wherein,
Sensor such as optical sensor, motion sensor and other sensors, details are not described herein.
It will be understood by those skilled in the art that intelligent mobile terminal structure shown in Fig. 1 is not constituted to intelligent mobile
The restriction of terminal may include perhaps combining certain components or different component cloth than illustrating more or fewer components
It sets.
As shown in Figure 1, as may include operating system and realization in a kind of memory 1004 of computer storage medium
The computer program of the control method of motor of the present invention.
In intelligent mobile terminal shown in Fig. 1, processor 1001 can be used for calling the meter stored in memory 1004
When calculation machine program, and execute following operation:
Adjustment torque command is received, the adjustment torque command includes target torque；
According to the standard of predetermined torque and calibration power mapping table inquiry control power device corresponding with the target torque
Power；
According to the calibration power, it is calculated adjustment phase current and adjustment phase voltage, the adjustment phase current and described
The product for adjusting phase voltage is equal to or less than the calibration power；
The control power device switching frequency is adjusted, to control the electricity according to the adjustment phase current and adjustment phase voltage
Machine.
Further, it when processor 1001 can call the computer program stored in memory 1004, also executes following
Operation:
The described the step of corresponding calibration power of the target torque is inquired according to predetermined torque and calibration power mapping table
Before, further includes:
According to default phase current phase voltage table, the corresponding default phase voltage of the target torque and default phase current are inquired；
According to the product of the default phase voltage and the default phase current, the corresponding institute of the target torque is calculated
State calibration power.
Further, it when processor 1001 can call the computer program stored in memory 1004, also executes following
Operation:
Before the step of reception adjustment torque command, further includes:
Obtain the current vehicle speed of the vehicle and the accelerator pedal aperture of the vehicle；
Torque is calculated according to the current vehicle speed and the accelerator pedal aperture, and generates the adjustment torque and refers to
It enables.
Further, it when processor 1001 can call the computer program stored in memory 1004, also executes following
Operation:
It is described according to the calibration power, the step of adjustment phase current and adjustment phase voltage is calculated includes:
The parameter of electric machine is obtained, and desired voltage is obtained according to the parameter of electric machine and the calibration power, the tune is set
Whole phase voltage is equal to the desired voltage；
According to the mechanical periodicity of the adjustment phase voltage, the input current of the control power device is adjusted, so that described defeated
The product of electric current and the adjustment phase voltage is less than or equal to the calibration power out, and it is described defeated that the adjustment phase current, which is arranged,
Electric current out.
Further, it when processor 1001 can call the computer program stored in memory 1004, also executes following
Operation:
The adjustment control power device switching frequency, to control institute according to the adjustment phase current and adjustment phase voltage
After the step of stating motor, comprising:
Whether the output voltage for detecting the control power device is equal to the adjustment phase voltage；
If the adjustment phase voltage is not equal to the output voltage, the adjustment phase voltage and the output voltage are calculated
Difference；
The input voltage is adjusted according to the difference.
The specific embodiment of power mechanism of the present invention and each embodiment of control method of following motors are essentially identical, herein not
It repeats.
It is the flow diagram of the control method first embodiment of motor of the present invention referring to Fig. 2, Fig. 2.
First embodiment of the invention provides a kind of control method of motor, and the control method of the motor includes:
Step S100 receives adjustment torque command, and the adjustment torque command includes target torque；
Specifically, in the process of moving, entire car controller is according to current speed and accelerator pedal aperture for pure electric vehicle
Torque needed for current vehicle is calculated, adjustment torque command is generated according to the required torque, then by the adjustment torque command
It is sent to power mechanism, the processor in power mechanism receives the adjustment torque command, and according to the adjustment torque command
Corresponding component is controlled to be operated.
Step S200 inquires control power corresponding with the target torque according to predetermined torque and calibration power mapping table
The calibration power of device；
Predetermined torque and calibration power mapping table are the pre-set tables of data of those skilled in the art, including each
The corresponding calibration power of torque.Control power device is metal-oxide-semiconductor in this embodiment, and metal-oxide-semiconductor is metal (metal)-oxide
(oxide)-semiconductor (semiconductor) field effect transistor, the switch by controlling metal-oxide-semiconductor, which is realized, changes direct current
For alternating current, and then driving motor is operated.
Adjustment phase current and adjustment phase voltage is calculated according to the calibration power in step S300, and the adjustment is mutually electric
The product of stream and the adjustment phase voltage is equal to or less than the calibration power；
Generally, it is corresponding according to the prespecified each torque of the relevant parameter of control power device to control the producer of power device
Phase voltage and phase current.The phase voltage is not the voltage value of ceiling voltage utilization rate under normal conditions, that is, compares ceiling voltage
The ideal phase voltage value of utilization rate is low so that phase current also than highest phase voltage utilization rate when it is big, cause power mechanism to imitate
Rate is relatively low.Adjustment phase voltage is in the case where meeting calibration power, and the corresponding voltage of ceiling voltage utilization rate adjusts phase current
It is obtained for tool standard power and adjustment phase voltage calculation.Specifically, adjustment phase current I* adjusts phase voltage U=calibration power P.
Step S400 adjusts the control power device switching frequency, according to the adjustment phase current and adjustment phase voltage
Control the motor.
Referring to Fig. 3, wherein Fig. 3 a is the schematic diagram of default phase voltage and default phase current, presets phase voltage U1 and preset
Phase current I1 is that the producer of control power device presets, and presets phase voltage U1 and default phase current I1 product is power P 1；Figure
3b is the schematic diagram for adjusting phase voltage U2 and adjusting phase current I2, and adjustment phase voltage U2 and the product for adjusting phase current I2 are power
P2.Power device is controlled to carry out, due to electric current I1 and voltage U1 cyclic fluctuation, power P 1 being caused to generate periodicity in switching process
Overload fluctuation, i.e., the phenomenon that product of electric current I1 and voltage U1 are periodically greater than calibration power, show as in fig. 3 a convex
Wave crest out.The control power device switching frequency is adjusted, so that the output electric current and output voltage point of control power device
It is inequal with adjustment phase current I2 and adjustment phase voltage U2, so that control power device is to be equal to or less than the calibration power
P2 controls motor, in fig 3b shows as the trough of protrusion, i.e., is periodically less than calibration power, and the short time is less than standard
Power control motor movement not will cause power mechanism and be short of power, and can reduce the fever phenomenon of control power device instead.
In the present embodiment, by calculating so that the product of the adjustment phase current and the adjustment phase voltage is equal to or small
In the calibration power, and by adjusting the control power device switching frequency, according to the adjustment phase current and adjustment phase
Voltage controls the motor, so that changing the output of control power device to be periodically greater than calibration power is periodically to be less than standard
Power reduces control power device fever, while increasing the utilization rate of electric energy.
Further, referring to Fig. 4, second embodiment of the invention provides a kind of control method of motor, is based on above-mentioned implementation
, before the step S200, further includes:
Step S500 inquires the corresponding default phase voltage of the target torque and pre- according to default phase current phase voltage table
If phase current；
Default phase current phase voltage table is the pre-set tables of data of those skilled in the art, generally, presets phase current
Phase voltage table is that the producer of control power device is set according to the relevant parameter of control power device, presets phase current phase voltage table
In define the corresponding phase voltage of each torque and phase current.
Step S600 is calculated the target and turns round according to the product of the default phase voltage and the default phase current
The corresponding calibration power of square.
Further, referring to Fig. 5, third embodiment of the invention provides a kind of control method of motor, is based on above-mentioned implementation
, before the step S100, further includes:
Step S700 obtains the current vehicle speed of the vehicle and the accelerator pedal aperture of the vehicle；
Step S800 is calculated torque according to the current vehicle speed and the accelerator pedal aperture, and generates the tune
Whole torque command.
Specifically, when the revolution that front truck number is motor, motor speed can be inquired by two-dimensional data table and acceleration is stepped on
The corresponding torque coefficient of plate records motor speed, accelerator pedal aperture and output torque coefficient in two-dimensional data table therein
Between corresponding relationship can directly and accurately be obtained corresponding after motor speed and accelerator pedal aperture has been determined
Output torque coefficient.Algorithm can also be prestored in memory, be calculated by processor more preset formula.According to being
The factors such as the maximum permissible torque of motor, the maximum discharge power of battery and maximum charge power determine that system maximum is available in system
Torque, output torque coefficient is multiplied with system maximum available torque can determine required torque, generate the adjustment torque command.
Further, referring to Fig. 6, fourth embodiment of the invention provides a kind of control method of motor, is based on above-mentioned implementation
Example, the step S300 include:
Step S310 obtains the parameter of electric machine, and obtains desired voltage according to the parameter of electric machine and the calibration power, if
The adjustment phase voltage is set equal to the desired voltage；
Specifically, the parameter of electric machine is the revolving speed of motor, the resistance of motor harness and inductance, rotor magnetic linkage etc.,
Desired voltage, the i.e. voltage value of ceiling voltage utilization rate can be calculated according to the parameter of electric machine and calibration power
Step S320 adjusts the input current of the control power device, makes according to the mechanical periodicity of the adjustment phase voltage
The product for obtaining the output electric current and the adjustment phase voltage is less than or equal to the calibration power, and the adjustment phase current is arranged
For the output electric current.
Since adjustment phase voltage is in cyclically-varying, to guarantee that calibration power is constant, the corresponding phase current that adjusts is in the period
Property variation.B referring to figure 3., generally, electric current rise, voltage decline；Electric current decline, voltage rise, ideally, voltage
When U2 declines, electric current I2 is remained unchanged, and voltage U2 drops to when presetting minimum numerical value, i.e. L1 dotted portion in Fig. 3 b, control electricity
Stream I2 instantaneously rises, to guarantee to maintain to export with calibration power by high current, i.e., the described output electric current and institute at low voltage
The product for stating adjustment phase voltage is equal to the calibration power；It is described in the period that electric current I2 is remained unchanged when voltage U2 declines
The product for exporting electric current I2 and the adjustment phase voltage U2 is less than the calibration power.When voltage U2 rises from minimum numerical value, control
Electric current I2 processed instantaneously declines, i.e. L2 dotted portion in Fig. 3 b, and the product of the output electric current I2 and the adjustment phase voltage U2 are small
In the calibration power.When voltage U2 rises, in the period that electric current I2 is remained unchanged, the output electric current I2 and the adjustment
The product of phase voltage U2 is less than the calibration power.
Further, referring to Fig. 7, fifth embodiment of the invention provides a kind of control method of motor, is based on above-mentioned implementation
Example, the step S400 include: later
Whether step S410, the output voltage for detecting the control power device are equal to the adjustment phase voltage；
Step S420 calculates the adjustment phase voltage and institute if the adjustment phase voltage is not equal to the output voltage
State the difference of output voltage；
Step S430 adjusts the input voltage according to the difference.
Preferably, according to the preset difference value threshold value preestablished, to determine whether the difference is greater than preset difference value threshold value, from
And corresponding adjustment output voltage period of change.Such as difference can not then adjust input voltage in tolerance range.
In addition, the embodiment of the present invention also proposes a kind of electric vehicle, which is characterized in that including power battery and as before
Power mechanism is stated, the power mechanism includes power controller, motor, memory, processor and is stored on the memory
And the computer program that can be run on the processor, it realizes when the computer program is executed by the processor as above-mentioned
Motor control method the step of.
Further, the power controller is metal-oxide-semiconductor, the product of the output electric current of the output voltage sum of the metal-oxide-semiconductor
Less than or equal to the calibration power.
The specific embodiment of electric vehicle of the present invention and each embodiment of control method of above-mentioned motor are essentially identical, herein not
It repeats.
In addition, the embodiment of the present invention also proposes a kind of readable storage medium storing program for executing, calculating is stored on the readable storage medium storing program for executing
Machine program, the computer program realize the control method of motor as described above when being executed by processor.
The specific embodiment of readable storage medium storing program for executing of the present invention and each embodiment of control method of above-mentioned motor are essentially identical,
This is not repeated.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the system that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or system institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or system.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of control method of motor characterized by comprising
Adjustment torque command is received, the adjustment torque command includes target torque；
According to the calibration power of predetermined torque and calibration power mapping table inquiry control power device corresponding with the target torque；
According to the calibration power, adjustment phase current and adjustment phase voltage, the adjustment phase current and the adjustment is calculated
The product of phase voltage is equal to or less than the calibration power；
The control power device switching frequency is adjusted, to control the motor according to the adjustment phase current and adjustment phase voltage.
2. the control method of motor as described in claim 1, which is characterized in that described to be reflected according to predetermined torque and calibration power
Firing table was inquired before the step of target torque corresponding calibration power, further includes:
According to default phase current phase voltage table, the corresponding default phase voltage of the target torque and default phase current are inquired；
According to the product of the default phase voltage and the default phase current, the corresponding mark of the target torque is calculated
Quasi- power.
3. the control method of motor as described in claim 1, which is characterized in that the step of reception adjustment torque command it
Before, further includes:
Obtain the current vehicle speed of the vehicle and the accelerator pedal aperture of the vehicle；
Torque is calculated according to the current vehicle speed and the accelerator pedal aperture, and generates the adjustment torque command.
4. the control method of motor as described in claim 1, which is characterized in that it is described according to the calibration power, it calculates
Include: to the step of adjustment phase current and adjustment phase voltage
The parameter of electric machine is obtained, and desired voltage is obtained according to the parameter of electric machine and the calibration power, the adjustment phase is set
Voltage is equal to the desired voltage；
According to the mechanical periodicity of the adjustment phase voltage, the input current of the control power device is adjusted, so that the output is electric
The product of stream and the adjustment phase voltage is less than or equal to the calibration power, and it is the output electricity that the adjustment phase current, which is arranged,
Stream.
5. the control method of motor as described in claim 1, which is characterized in that the adjustment control power device switch frequency
Rate, with according to the adjustment phase current and adjustment phase voltage control the motor the step of after, comprising:
Whether the output voltage for detecting the control power device is equal to the adjustment phase voltage；
If the adjustment phase voltage is not equal to the output voltage, the difference of the adjustment phase voltage and the output voltage is calculated
Value；
The input voltage is adjusted according to the difference.
6. a kind of power mechanism, which is characterized in that including multiple power controllers and motor, memory, processor and storage
On the memory and the computer program that can run on the processor, the computer program are held by the processor
The step of control method of the motor as described in any one of claims 1 to 5 is realized when row.
7. power mechanism as claimed in claim 6, which is characterized in that the power controller is metal-oxide-semiconductor, the metal-oxide-semiconductor
The product of the output electric current of output voltage sum is less than or equal to the calibration power.
8. a kind of electric vehicle, which is characterized in that including power battery and the power as described in any one of claim 6 or 7
Mechanism.
9. electric vehicle as claimed in claim 8, which is characterized in that the power controller is metal-oxide-semiconductor, the metal-oxide-semiconductor
The product of the output electric current of output voltage sum is less than or equal to the calibration power.
10. a kind of readable storage medium storing program for executing, which is characterized in that be stored with computer program, the meter on the readable storage medium storing program for executing
The step of control method of the motor as described in any one of claims 1 to 5 is realized when calculation machine program is executed by processor.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020177594A1 (en) * | 2019-03-01 | 2020-09-10 | 深圳市道通智能航空技术有限公司 | Temperature protection method and apparatus, and unmanned aerial vehicle |
| CN113665372A (en) * | 2021-09-14 | 2021-11-19 | 上汽通用五菱汽车股份有限公司 | Vehicle battery power management method, apparatus and computer readable storage medium |
| CN114312488A (en) * | 2021-12-29 | 2022-04-12 | 臻驱科技（上海）有限公司 | Heating control method and system for electric drive system and vehicle |
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