CN106809050B - A kind of method and apparatus of control electric vehicle operation - Google Patents
A kind of method and apparatus of control electric vehicle operation Download PDFInfo
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- CN106809050B CN106809050B CN201710019040.4A CN201710019040A CN106809050B CN 106809050 B CN106809050 B CN 106809050B CN 201710019040 A CN201710019040 A CN 201710019040A CN 106809050 B CN106809050 B CN 106809050B
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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
- B60L15/02—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles characterised by the form of the current used in the control circuit
- B60L15/025—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles characterised by the form of the current used in the control circuit using field orientation; Vector control; Direct Torque Control [DTC]
-
- 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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/42—Drive Train control parameters related to electric machines
- B60L2240/429—Current
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- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention belongs to control technology fields, provide a kind of method and apparatus of control electric vehicle operation.It is handled for the electric signal to control electric vehicle, to export corresponding direct-axis current information and quadrature axis current information to electric current loop, wherein, if the method for control electric vehicle operation passes through the electric signal for detecting triggering electric vehicle speed change, current phasor information corresponding with the electric signal is determined according to electric signal；Hysteresis loop tracking is carried out to current phasor information, to obtain the target value information of current phasor information；The sliding average value information of the target value information of current phasor is obtained, and new current phasor information is obtained according to sliding average value information；The new current phasor information is exported to the electric current loop, to control the electric vehicle operation, simplifies the process of the working mode change of motor, and then the control efficiency to electric vehicle has been turned up.
Description
Technical field
The present invention relates to control technology field more particularly to a kind of method and apparatus of control electric vehicle operation.
Background technique
With the promotion and popularization of new-energy automobile, more and more electric vehicles are pursued by consumer.Existing electricity
Motor-car requires to be driven by motor, i.e., when electric vehicle is when accelerating to certain threshold value, electric motor operation is in weak magnetic shape
Under state, therefore, electric vehicle usually carries out working condition between the area Hui Jisu and weak magnetic hypervelocity area during by use
Conversion.
Although can realize the self adaptive control of motor by voltage close loop in the prior art, introducing is needed to open flat
The calculating process such as square operation thereby reduce so that the time needed for converting to the working condition of motor is elongated to electric vehicle
Control efficiency.
Summary of the invention
The purpose of the present invention is to provide a kind of method and apparatus of control electric vehicle operation, to improve the control to electric vehicle
Efficiency processed.
The invention is realized in this way a method of control electric vehicle operation, for the electric signal to control electric vehicle
It is handled, to export corresponding direct-axis current information and quadrature axis current information to electric current loop, which comprises
If detecting the electric signal for triggering the electric vehicle speed change, determination is corresponding with the electric signal according to the electric signal
Current phasor information；
Hysteresis loop tracking is carried out to the current phasor information, to obtain the target value information of the current phasor information；
The sliding average value information of the target value information of the current phasor is obtained, and according to the sliding average value information
Obtain new current phasor information；
The new current phasor information is exported to the electric current loop, to control the electric vehicle operation.
Another object of the present invention is to provide a kind of devices of control electric vehicle operation, for the electricity to control electric vehicle
Signal is handled, to include: to the corresponding direct-axis current information of electric current loop output and quadrature axis current information, described device
Determination unit, if for detecting the electric signal for triggering the electric vehicle speed change, according to the electric signal determine with
The corresponding current phasor information of the electric signal；
Hysteresis loop tracking unit, for carrying out hysteresis loop tracking to the current phasor information, to obtain the current phasor letter
The target value information of breath；
Target value information unit, the sliding average value information of the target value information for obtaining the current phasor, and root
New current phasor information is obtained according to the sliding average value information；
Output unit, for exporting the new current phasor information to the electric current loop, to control the electric vehicle
Operation.
The method and apparatus of a kind of control electric vehicle operation of the invention, at the electric signal to control electric vehicle
Reason, to export corresponding direct-axis current information and quadrature axis current information to electric current loop, if by detecting triggering electric vehicle speed change
Electric signal, corresponding with electric signal current phasor information is determined according to electric signal；Stagnant ring is carried out to current phasor information
Tracking, to obtain the target value information of current phasor information；The sliding average value information of the target value information of current phasor is obtained,
And new current phasor information is obtained according to sliding average value information；The new current phasor information is exported to the electric current
Ring simplifies the process of the working mode change of motor, and then be turned up to electric vehicle to control the electric vehicle operation
Control efficiency.
Detailed description of the invention
Fig. 1 is a kind of method flow diagram of control electric vehicle operation provided in an embodiment of the present invention；
Fig. 2 be another embodiment of the present invention provides a kind of control electric vehicle operation method flow diagram；
Fig. 3 is a kind of structure chart of the device of control electric vehicle operation provided in an embodiment of the present invention；
Fig. 4 be another embodiment of the present invention provides a kind of control electric vehicle operation device structure chart.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
The purpose of the present invention is to provide a kind of method and apparatus of control electric vehicle operation, to improve the control to electric vehicle
Efficiency processed.
Realization of the invention is described in detail below in conjunction with specific attached drawing:
Fig. 1 shows a kind of method flow of control electric vehicle operation provided in an embodiment of the present invention, for ease of description,
Part related to the present embodiment is only shown.
A method of control electric vehicle operation, comprising the following steps:
S110: it if detecting the electric signal for triggering the electric vehicle speed change, determines and the telecommunications according to the electric signal
Number corresponding current phasor information.
When detecting the electric signal for triggering the electric vehicle speed change, that is, can determine that the current operation of electric vehicle speed or
Current motion state will be changed.
In step s 110, the electric signal for triggering the electric vehicle speed change can be by operating to electric vehicle throttle
The signal inputted, or by being operated inputted signal to electric vehicle brake.Current phasor information includes: electric current
Amplitude of the vector or current phasor angle.
It should be noted that the electric signal of the electric vehicle speed change is triggered, the acceleration for describing to move electric vehicle
Control, current phasor information corresponding with the electric signal are to control the information of electric vehicle built-in motor speed change.
It is understood that motor may include induction conductivity or permanent magnet motor, it can be asynchronous motor
Or synchronous motor.
S120: carrying out hysteresis loop tracking to the current phasor information, to obtain the target value letter of the current phasor information
Breath.
In the step s 120, hysteresis loop tracking is carried out to current phasor information, i.e., controlled current phasor information in some model
It encloses in section, avoids the amplitude of current phasor or angle excessive or too small.
Filtering can also be played the role of except trembling, i.e., to the interference of moment or wink by carrying out hysteresis loop tracking to current phasor information
Between overreaction filtered out or inhibited.
It should be noted that the target value information of current phasor information is not to be the control for being directly used in control electric vehicle speed change
Entrained information in system instruction or control instruction.
Due to triggering the electric signal of electric vehicle speed change, for describing the Acceleration Control to electric vehicle movement, the i.e. telecommunications
The acceleration magnitude value or acceleration change amount for describing electric vehicle movement are carried in number.That is, current phasor information
Target value information, for describing above-mentioned acceleration magnitude or acceleration change.
S130: the sliding average value information of the target value information of the current phasor is obtained, and according to the sliding average
Value information obtains new current phasor information.
In step s 130, the sliding average value information for obtaining the target value information of the current phasor is dynamic acquisition,
The sliding average value information of the target value information of the current phasor is obtained in real time.
It should be noted that sliding average value information is to take the target value information of continuous N number of current phasor for a circulation
List, wherein N is positive integer, and the length of the list is always the corresponding length of target value information of N number of current phasor.When
When collecting the target value of next current phasor, last position of list is placed it in, and by the electricity of the most previous position of list
The target value of flow vector is rejected, then in calculations list the target value information of N number of current phasor average value.
For example, including: X in circular list1、X2、X3、X4、X5And X6, wherein N 6 is sweared when collecting next electric current
When the target value of amount, i.e. X7Place it in last position of list, and by the target value of the current phasor of the most previous position of list
It rejects, at this point, including: X in circular list2、X3、X4、X5、X6And X7。
S140: the new current phasor information is exported to the electric current loop, to control the electric vehicle operation.
In step S140, new current phasor information is that the target value of current phasor is limited in the sliding of current phasor
Obtained information near average value.
It should be noted that being by measuring and controlling motor stator currents when carrying out vector controlled to motor
Vector respectively controls the exciting current of motor and torque current according to field orientation principle, to reach control electricity
The purpose of motivation torque.
It is understood that due to power=torque × revolving speed, under the conditions of invariable power, by controlling motor torque phase
When in the revolving speed for controlling motor, the even more big then revolving speed of torque is smaller, and revolving speed is bigger if torque is smaller.
In above scheme, if the electric signal by detecting triggering electric vehicle speed change, according to electric signal determination and the electricity
The corresponding current phasor information of signal；Hysteresis loop tracking is carried out to current phasor information, to obtain the target value of current phasor information
Information；The sliding average value information of the target value information of current phasor is obtained, and new electricity is obtained according to sliding average value information
Flow vector information；The new current phasor information is exported to the electric current loop, to control the electric vehicle operation, is simplified
The process of the working mode change of motor, and then the control efficiency to electric vehicle has been turned up.
Fig. 2 shows another embodiment of the present invention provides a kind of operation of control electric vehicle method flow, for the ease of
Illustrate, part related to the present embodiment is only shown.
As shown in Fig. 2, a kind of method of control electric vehicle operation, comprising the following steps:
S210: if detecting the electric signal for triggering the electric vehicle speed change, the finger of current phasor according to the electric signal
Amplitude is enabled, determines the first current phasor amplitude corresponding with the electric signal and the first current phasor angle.
When detecting the electric signal for triggering the electric vehicle speed change, that is, can determine that the current operation of electric vehicle speed or
Current motion state will be changed.
In step S210, the electric signal for triggering the electric vehicle speed change be can be by operating to electric vehicle throttle
The signal inputted, or by being operated inputted signal to electric vehicle brake.
It should be noted that the electric signal of the electric vehicle speed change is triggered, the acceleration for describing to move electric vehicle
Control, current phasor information corresponding with the electric signal are to control the information of electric vehicle built-in motor speed change.
It is understood that motor may include induction conductivity or permanent magnet motor, it can be asynchronous motor
Or synchronous motor.
S220: the quadrature-axis voltage value that the electric current loop is sent is obtained.
In step S220, quadrature-axis voltage value is the information of electric current loop feedback.
It should be noted that electric current loop can be existing electric current loop, it is that the electric current of output is used into positive feedback or is born
The mode of feedback is sent to processor, for improving the stability of electric current.
S230: hysteresis loop tracking is carried out to the first current phasor amplitude according to the first current phasor angle, according to described
Quadrature-axis voltage value carries out hysteresis loop tracking to the first current phasor angle, to obtain the target value letter of the current phasor information
Breath.
In step S230, hysteresis loop tracking can also play the role of filtering except trembling, i.e., to the interference of moment or moment
Overreaction is filtered out or is inhibited.
In conjunction with step S220, step S230 is specifically included: if the first current phasor angle within the scope of predetermined angle,
And the quadrature-axis voltage value is in predetermined voltage range, by the first current phasor amplitude and the first current phasor angle
As the target value information.
If the first current phasor angle is not within the scope of predetermined angle, according to the first default adjusting parameter to described
One current phasor amplitude is adjusted, and by the first current phasor amplitude adjusted and the first current phasor angle
As the target value information；If the quadrature-axis voltage value is joined not in predetermined voltage range according to the second default adjustment
It is several that the first current phasor angle is adjusted and the first current phasor amplitude and adjusted described first is electric
Stray arrow measuring angle is as the target value information.
It should be noted that the first default adjusting parameter for being adjusted to the first current phasor amplitude, that is, is used as and adds
Several or subtrahend and summed or asked poor to the first current phasor amplitude.Equally, the second default adjusting parameter is used for the first electricity
Stray arrow measuring angle is adjusted, that is, is used as addend or subtrahend and is summed or asked poor to the first current phasor angle.
It is understood that in practical applications, the numerical value of the first default adjusting parameter and the second default adjusting parameter is big
It is small can be depending on the specification of motor.
For example, if the first current phasor angle is greater than 69 ° or less than 68 °, according to the first default adjusting parameter pair
The first current phasor amplitude is adjusted, wherein the first default adjusting parameter is 10, i.e., subtracts the first default adjusting parameter
Less or increase by 10 unit amplitudes.
S240: the sliding average value information of the target value information of the current phasor is obtained, and according to the sliding average
Value information obtains new current phasor information.
In step S240, the sliding average value information of the target value information of the current phasor is obtained, and according to described
Sliding average value information obtains new current phasor information, specifically: it obtains in the target value information of the current phasor, it is described
The sliding average of first current phasor amplitude, and using the sliding average of the first current phasor amplitude as median, it will
The first current phasor amplitude is limited in the default floating range of the median；Obtain the target value letter of the current phasor
In breath, the sliding average of the first current phasor angle, and be with the sliding average of the first current phasor angle
The first current phasor angle is limited in the default floating range of the median by median；
It should be noted that default floating range is the amplitude range or angular range of the median plus-minus 1%.
S250: the new current phasor information is exported to the electric current loop, to control the electric vehicle operation.
In step s 250, the new current phasor information is exported can be to the electric current loop to new electric current arrow
It measures information and carries out polar coordinates conversion, direct-axis current value corresponding with new current phasor information and quadrature axis current value are exported to electricity
Flow ring.
It should be noted that carrying out polar coordinates conversion to new current phasor information according to following formula:
Wherein, IdRef is direct-axis current value, and IqRef is direct-axis current value, and IsLen is the first electricity in target value information
Stray arrow discharge amplitude, IsAngle are the first current phasor angle in target value information.
It should be noted that being by measuring and controlling motor stator currents when carrying out vector controlled to motor
Vector respectively controls the exciting current of motor and torque current according to field orientation principle, to reach control electricity
The purpose of motivation torque.
It is understood that under the conditions of invariable power, passing through control motor torque due to power=torque × revolving speed
It is equivalent to the revolving speed for controlling motor, the even more big then revolving speed of torque is smaller, and revolving speed is bigger if torque is smaller.
In above scheme, if the electric signal by detecting triggering electric vehicle speed change, according to electric signal determination and the electricity
The corresponding current phasor information of signal；Hysteresis loop tracking is carried out to current phasor information, to obtain the target value of current phasor information
Information；The sliding average value information of the target value information of current phasor is obtained, and new electricity is obtained according to sliding average value information
Flow vector information；The new current phasor information is exported to the electric current loop, to control the electric vehicle operation, is simplified
The process of the working mode change of motor, and then the control efficiency to electric vehicle has been turned up.
In order to realize a kind of method of control electric vehicle operation provided by the embodiment of the present invention 1, present embodiments provide
A kind of device of control electric vehicle operation.Fig. 3 shows a kind of knot of the device of control electric vehicle operation provided in this embodiment
Structure only shows part related to the present embodiment for ease of description.
As shown in figure 3, a kind of device 300 of control electric vehicle operation, comprising: determination unit 301, hysteresis loop tracking unit
302, target value information unit 303 and output unit 304.Specifically:
Determination unit 301, if being determined according to the electric signal for detecting the electric signal for triggering the electric vehicle speed change
Current phasor information corresponding with the electric signal.
If being determined according to the electric signal for example, determination unit 301 detects the electric signal for triggering the electric vehicle speed change
Current phasor information corresponding with the electric signal, and current phasor information is sent to hysteresis loop tracking unit 302.
Hysteresis loop tracking unit 302 is sweared for receiving the current phasor information of the transmission of determination unit 301, and to the electric current
It measures information and carries out hysteresis loop tracking, to obtain the target value information of the current phasor information, and by the current phasor information
Target value information is sent to target value information unit 303.
For example, hysteresis loop tracking unit 302 receives the current phasor information that determination unit 301 is sent, and the electric current is sweared
It measures information and carries out hysteresis loop tracking, to obtain the target value information of the current phasor information, and by the current phasor information
Target value information is sent to target value information unit 303.
Target value information unit 303, the sliding average value information of the target value information for obtaining the current phasor, and
New current phasor information is obtained according to the sliding average value information, and new current phasor information is exported to output unit
304。
For example, target value information unit 303 obtains the sliding average value information of the target value information of the current phasor, and
New current phasor information is obtained according to the sliding average value information, and new current phasor information is exported to output unit
304。
Output unit 304, for receiving the new current phasor information of the transmission of target value information unit 303, and will be described
New current phasor information is exported to the electric current loop, to control the electric vehicle operation.
For example, output unit 304 receives the new current phasor information that target value information unit 303 is sent, and will be described
New current phasor information is exported to the electric current loop, to control the electric vehicle operation.
In above scheme, if the electric signal by detecting triggering electric vehicle speed change, according to electric signal determination and the electricity
The corresponding current phasor information of signal；Hysteresis loop tracking is carried out to current phasor information, to obtain the target value of current phasor information
Information；The sliding average value information of the target value information of current phasor is obtained, and new electricity is obtained according to sliding average value information
Flow vector information；The new current phasor information is exported to the electric current loop, to control the electric vehicle operation, is simplified
The process of the working mode change of motor, and then the control efficiency to electric vehicle has been turned up.
In order to realize a kind of method of control electric vehicle operation provided by another embodiment of the present invention, the present embodiment provides
A kind of device of control electric vehicle operation.Fig. 4 shows a kind of dress for control electric vehicle operation that this another embodiment provides
The structure set only shows part related to the present embodiment for ease of description.
As shown in figure 4, a kind of device 400 of control electric vehicle operation, comprising: determination unit 401, quadrature-axis voltage obtain single
Member 402, hysteresis loop tracking unit 403, target value information unit 404 and output unit 405.Specifically:
Determination unit 401 is specifically used for, if detecting the electric signal for triggering the electric vehicle speed change, according to the electric signal
Current phasor instruction amplitude, determine corresponding with the electric signal the first current phasor amplitude and the first current vector angle
Degree.
For example, if determination unit 401 detects the electric signal for triggering the electric vehicle speed change, electricity according to the electric signal
The instruction amplitude of flow vector determines the first current phasor amplitude corresponding with the electric signal and the first current phasor angle, and
First current phasor amplitude and the first current phasor angle are sent to hysteresis loop tracking unit 403.
Quadrature-axis voltage acquiring unit 402, the quadrature-axis voltage value sent for obtaining the electric current loop, and by quadrature-axis voltage value
It is sent to hysteresis loop tracking unit 403.
For example, quadrature-axis voltage acquiring unit 402 obtains the quadrature-axis voltage value that the electric current loop is sent, and by quadrature-axis voltage value
It is sent to hysteresis loop tracking unit 403.
Hysteresis loop tracking unit 403, for receiving the first current phasor amplitude and the first electric current arrow of the transmission of determination unit 401
Measuring angle receives the quadrature-axis voltage value that quadrature-axis voltage acquiring unit 402 is sent, according to the first current phasor angle to first
Current phasor amplitude carries out hysteresis loop tracking, according to the quadrature-axis voltage value to the first current phasor angle carry out stagnant ring with
Target value information to obtain the target value information of the current phasor information, and is sent to target value information unit 404 by track.
For example, hysteresis loop tracking unit 403 receives the first current phasor amplitude that determination unit 401 is sent and the first electric current arrow
Measuring angle receives the quadrature-axis voltage value that quadrature-axis voltage acquiring unit 402 is sent, according to the first current phasor angle to first
Current phasor amplitude carries out hysteresis loop tracking, according to the quadrature-axis voltage value to the first current phasor angle carry out stagnant ring with
Target value information to obtain the target value information of the current phasor information, and is sent to target value information unit 404 by track.
Further, hysteresis loop tracking unit 403 specifically includes: first object value information unit and the second target value information list
Member or third target value information unit.Specifically:
First object value information unit, if for the first current phasor angle within the scope of predetermined angle, and it is described
Quadrature-axis voltage value is in predetermined voltage range, using the first current phasor amplitude and the first current phasor angle as institute
State target value information.
If for example, first object value information unit the first current phasor angle is within the scope of predetermined angle, and described
Quadrature-axis voltage value is in predetermined voltage range, using the first current phasor amplitude and the first current phasor angle as institute
State target value information.
Second target value information unit, if for the first current phasor angle not within the scope of predetermined angle, according to
First default adjusting parameter is adjusted the first current phasor amplitude, and by the first current phasor width adjusted
Degree is with the first current phasor angle as the target value information.
If for example, the second target value information unit the first current phasor angle is within the scope of predetermined angle, according to
First default adjusting parameter is adjusted the first current phasor amplitude, and by the first current phasor width adjusted
Degree is with the first current phasor angle as the target value information.
Third target value information unit, if for the quadrature-axis voltage value not in predetermined voltage range, it is pre- according to second
If adjusting parameter is adjusted the first current phasor angle, and by the first current phasor amplitude and institute adjusted
The first current phasor angle is stated as the target value information.
If pre- according to second for example, the third target value information unit quadrature-axis voltage value is in predetermined voltage range
If adjusting parameter is adjusted the first current phasor angle, and by the first current phasor amplitude and institute adjusted
The first current phasor angle is stated as the target value information.
Target value information unit 404, the sliding average value information of the target value information for obtaining the current phasor, and
New current phasor information is obtained according to the sliding average value information, and new current phasor information is exported to output unit
405。
For example, target value information unit 404 obtains the sliding average value information of the target value information of the current phasor, and
New current phasor information is obtained according to the sliding average value information, and new current phasor information is exported to output unit
405。
Output unit 405, for receiving the new current phasor information of the transmission of target value information unit 404, and will be described
New current phasor information is exported to the electric current loop, to control the electric vehicle operation.
For example, output unit 405 receives the new current phasor information that target value information unit 404 is sent, and will be described
New current phasor information is exported to the electric current loop, to control the electric vehicle operation.
In above scheme, if the electric signal by detecting triggering electric vehicle speed change, according to electric signal determination and the electricity
The corresponding current phasor information of signal；Hysteresis loop tracking is carried out to current phasor information, to obtain the target value of current phasor information
Information；The sliding average value information of the target value information of current phasor is obtained, and new electricity is obtained according to sliding average value information
Flow vector information；The new current phasor information is exported to the electric current loop, to control the electric vehicle operation, is simplified
The process of the working mode change of motor, and then the control efficiency to electric vehicle has been turned up.
Those of ordinary skill in the art will appreciate that: the step of realizing above method embodiment or part steps can pass through
The relevant hardware of program instruction is completed, and program above-mentioned can store in computer-readable storage medium, which exists
When execution, step including the steps of the foregoing method embodiments is executed, and storage medium above-mentioned includes: ROM, RAM, magnetic or disk
Etc. the various media that can store program code.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (4)
1. a kind of method of control electric vehicle operation, is handled for the electric signal to control electric vehicle, with defeated to electric current loop
Corresponding direct-axis current information and quadrature axis current information out, which is characterized in that the described method includes:
If detecting the electric signal for triggering the electric vehicle speed change, electricity corresponding with the electric signal is determined according to the electric signal
Flow vector information；
Hysteresis loop tracking is carried out to the current phasor information, to obtain the target value information of the current phasor information；
The sliding average value information of the target value information of the current phasor information is obtained, and according to the sliding average value information
Obtain new current phasor information；
The new current phasor information is exported to the electric current loop, to control the electric vehicle operation；
If described detect the electric signal for triggering the electric vehicle speed change, determination is corresponding with the electric signal according to the electric signal
Current phasor information, comprising:
If detecting the electric signal for triggering the electric vehicle speed change, the instruction amplitude of current phasor according to the electric signal, really
Fixed the first current phasor amplitude corresponding with the electric signal and the first current phasor angle；
It is described to the current phasor information carry out hysteresis loop tracking, with obtain the current phasor information target value information it
Before, comprising:
Obtain the quadrature-axis voltage value that the electric current loop is sent；
It is described that hysteresis loop tracking is carried out to the current phasor information, to obtain the target value information of the current phasor information, packet
It includes:
Hysteresis loop tracking is carried out to the first current phasor amplitude according to the first current phasor angle, according to the quadrature-axis voltage value
Hysteresis loop tracking is carried out to the first current phasor angle, to obtain the target value information of the current phasor information.
2. the method for control electric vehicle operation as described in claim 1, which is characterized in that described according to first current phasor
Angle to the first current phasor amplitude carry out hysteresis loop tracking, according to the quadrature-axis voltage value to the first current phasor angle into
Row hysteresis loop tracking, to obtain the target value information of the current phasor information, further includes:
If the first current phasor angle is within the scope of predetermined angle, and the quadrature-axis voltage value is in predetermined voltage range,
Using the first current phasor amplitude and the first current phasor angle as the target value information；
If the first current phasor angle is not within the scope of predetermined angle, according to the first default adjusting parameter to first electricity
Stray arrow discharge amplitude is adjusted, and using the first current phasor amplitude adjusted and the first current phasor angle as
The target value information；Or
If the quadrature-axis voltage value is not in predetermined voltage range, according to the second default adjusting parameter to first current phasor
Angle is adjusted, and using the first current phasor amplitude and the first current phasor angle adjusted as the mesh
Scale value information.
3. a kind of device of control electric vehicle operation, is handled for the electric signal to control electric vehicle, with defeated to electric current loop
Corresponding direct-axis current information and quadrature axis current information out, which is characterized in that described device includes:
Determination unit, if for detecting the electric signal for triggering the electric vehicle speed change, according to the electric signal determine with it is described
The corresponding current phasor information of electric signal；
Hysteresis loop tracking unit, for carrying out hysteresis loop tracking to the current phasor information, to obtain the current phasor information
Target value information；
Target value information unit, the sliding average value information of the target value information for obtaining the current phasor information, and root
New current phasor information is obtained according to the sliding average value information；
Output unit, for exporting the new current phasor information to the electric current loop, to control the electric vehicle operation；
The determination unit is specifically used for, if detecting the electric signal for triggering the electric vehicle speed change, according to the electric signal
The instruction amplitude of current phasor determines the first current phasor amplitude corresponding with the electric signal and the first current phasor angle；
Described device further include:
Quadrature-axis voltage acquiring unit, the quadrature-axis voltage value sent for obtaining the electric current loop；
The hysteresis loop tracking unit is specifically used for, and is carried out according to the first current phasor angle to the first current phasor amplitude stagnant
Ring tracking carries out hysteresis loop tracking to the first current phasor angle according to the quadrature-axis voltage value, to obtain the electric current arrow
Measure the target value information of information.
4. device as claimed in claim 3, which is characterized in that the hysteresis loop tracking unit specifically includes:
First object value information unit, if for the first current phasor angle within the scope of predetermined angle, and the quadrature axis
Voltage value is in predetermined voltage range, using the first current phasor amplitude and the first current phasor angle as the mesh
Scale value information；
Second target value information unit, if for the first current phasor angle not within the scope of predetermined angle, according to first
Default adjusting parameter is adjusted the first current phasor amplitude, and will the first current phasor amplitude adjusted and
The first current phasor angle is as the target value information；Or
Third target value information unit, if for the quadrature-axis voltage value not in predetermined voltage range, according to the second default tune
Whole parameter is adjusted the first current phasor angle, and by the first current phasor amplitude and adjusted described the
One current phasor angle is as the target value information.
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| CN1976211A (en) * | 2006-12-12 | 2007-06-06 | 浙江大学 | Mixed speed regulating method for permanent magnetic synchronous motor |
| CN103684179A (en) * | 2013-12-17 | 2014-03-26 | 清华大学 | Compensation device and compensation method of current filtering and dead zone of permanent magnet synchronous motor |
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| CN104160612A (en) * | 2011-02-28 | 2014-11-19 | 迪尔公司 | System for controlling a motor |
| CN104280682A (en) * | 2014-05-09 | 2015-01-14 | 浙江大学 | Motor rotor fault diagnosis method based on field-orientated control |
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| CN102224672A (en) * | 2008-09-23 | 2011-10-19 | 威罗门飞行公司 | Sensorless optimum torque control for high efficiency ironless permanent magnet machine |
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| CN1976211A (en) * | 2006-12-12 | 2007-06-06 | 浙江大学 | Mixed speed regulating method for permanent magnetic synchronous motor |
| CN104160612A (en) * | 2011-02-28 | 2014-11-19 | 迪尔公司 | System for controlling a motor |
| CN103743961A (en) * | 2013-12-10 | 2014-04-23 | 广东威灵电机制造有限公司 | Open-phase detection method and detection apparatus for three-phase permanent magnet synchronous motor |
| CN103684179A (en) * | 2013-12-17 | 2014-03-26 | 清华大学 | Compensation device and compensation method of current filtering and dead zone of permanent magnet synchronous motor |
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