CN102778600A - Method and device for calibrating current measurement in a driving system with a plurality of driving motors - Google Patents
Method and device for calibrating current measurement in a driving system with a plurality of driving motors Download PDFInfo
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- CN102778600A CN102778600A CN2012102032629A CN201210203262A CN102778600A CN 102778600 A CN102778600 A CN 102778600A CN 2012102032629 A CN2012102032629 A CN 2012102032629A CN 201210203262 A CN201210203262 A CN 201210203262A CN 102778600 A CN102778600 A CN 102778600A
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- current
- measurement device
- driver element
- phase
- phasor measurement
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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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/005—Calibrating; Standards or reference devices, e.g. voltage or resistance standards, "golden" references
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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
- H02P5/00—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors
- H02P5/74—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors controlling two or more ac dynamo-electric motors
-
- 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
- B60L2220/00—Electrical machine types; Structures or applications thereof
- B60L2220/40—Electrical machine applications
- B60L2220/46—Wheel motors, i.e. motor connected to only one wheel
-
- 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
- B60L2240/423—Torque
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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
- B60L2260/00—Operating Modes
- B60L2260/20—Drive modes; Transition between modes
- B60L2260/28—Four wheel or all wheel drive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/005—Testing of electric installations on transport means
- G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
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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
- Y02T10/64—Electric machine technologies in electromobility
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Multiple Motors (AREA)
Abstract
The invention refers to a method and device for calibrating current measurement in a driving system with a plurality of motor driving units (2R,2L), wherein the driving units (2R,2L) are respectively provided with a multiphase driving motor (4R, 4L) and are supplied with power through a common feeder line (6), wherein a phase current measurement device (9) is arranged for measuring phase current in a phase branch (8) of each driving motor (4R, 4L), wherein a motor current measuring device (10) which can both be used in a current path of a first driving unit (2R) and in a current path of a second driving unit (2L) is used as a reference measuring device to respectively relatively adjust the phase current measurement device (9) of the driving units (2R,2L).
Description
Technical field
The present invention relates to drive system, wherein driving wheel is through the motor of single drive unit drives.The present invention relates in addition through adjusting motor current and the torque of the special measure regulation driving motor of the driver element that is used to harmonize, so that identical motor current is provided.
Background technology
In electric vehicle, drive system can be provided, wherein each driving wheel drives with driving motor separately.For stablizing and going safely, in this drive system, need accurately to control single driving motor, make them that predetermined torque is provided.Particularly under the situation of the driving motor that drives a driving wheel left side of wanting driven vehicle day and the right side, accurately the torque that provided by driving motor of adjustment is important, because otherwise can not guarantee safe going.
The motor of electronic commutation is controlled by driving circuit, and this circuit is dc voltage conversion an alternating voltage, and the rotating magnetic field of motor is provided like this.The torque adjustment of this motor is by the adjusting towards magnetic field, and it is at first based on the measurement of the measurement of the phase current in the phase branch road and total motor current.Except that the motor current of accurately stipulating to provide to driving motor, the torque that is provided by driving motor also influences with other structure tolerance through the version of motor.
The current measurement of phase current or motor current is undertaken by current measuring device usually, yet these devices have the tolerance that is determined by making.Be the tolerance of balanced balanced current measurement mechanism, regulation provides a kind of band edge to harmonize so far, wherein, after driver element is accomplished, single current measuring device is calibrated.Optional in addition scheme is that for current measurement provides high-precision structural detail, particularly measuring resistance, but its manufacturing costs a lot of money.But two kinds of measures all can not balance because the tolerance of the aging electric current present measurement mechanism of structural detail.
The adjustment of phase current and total motor current is undertaken by Current Regulation usually, and this is adjusted in rated current of predesignating of storage in the corresponding phase branch road.If current measurement has tolerance, then the phase current of actual flow departs from from the phase current of measuring, and phase current that departs from from the phase current of hope of Current Regulation adjustment.Its result is, the driving torque that is provided by driving motor departs from from the driving torque of hope.
Summary of the invention
Successively connect the unbranched current path of the phase branch road of the driving motor that passes through first driver element;
Be used in the corrected value of each phase current data that provided by the current phasor measurement device of calibration through branch, harmonizing is arranged in the current phasor measurement device of unbranched current path;
-corrected value through distributing one to be used to calibrate the electric electromechanics flow data that provides by the electric electromechanics flow measuring apparatus, adjustment electric electromechanics flow measuring apparatus;
Current phasor measurement device in-second driver element of harmonizing, mode is
Successively connect unbranched current path through the driving motor of second driver element;
Be used in the corrected value of each phase current data that provided by the current phasor measurement device of calibration through branch, harmonizing is arranged in the current phasor measurement device of unbranched current path, makes the phase current data that are calibrated corresponding to the electric electromechanics flow data that is calibrated.
According to a kind of embodiment; When unbranched current path when only the phase branch road of the driving motor through first driver element is connected; Can carry out the adjustment of the electric electromechanics flow measuring apparatus that is arranged in common feeder, make the electric current that passes through the phase branch road corresponding to electric current through the electric electromechanics flow measuring apparatus.
Can stipulate; Before adjustment current phasor measurement device, pass through the adjustment of calibration electric electromechanics flow measuring apparatus operating motor current measuring device separately; Wherein so confirm corrected value, make the phase current data that are calibrated corresponding to the electric electromechanics flow data that is calibrated to the distribution of current phasor measurement device.
Can be arranged in the current phasor measurement device of unbranched current path through distributing corrected value to harmonize especially, make the phase current data self that are calibrated adapt to.
According to another aspect; A kind of equipment that is used at the drive system adjustment current phasor measurement device with a plurality of electronic driver elements is provided; Wherein a heterogeneous driving motor is provided respectively and passes through a public feeder line supply of electrical energy to driver element; The current phasor measurement device wherein is set,, wherein constructs this equipment in order to the phase current in the phase branch road of measuring each driving motor; In order to through using an electric electromechanics flow measuring apparatus that both in the current path of first driver element, also in the current path of second driver element, can insert as a reference, the current phasor measurement device of first and second driver elements of harmonizing against each other.
According on the other hand; Drive system with a plurality of electronic driver elements is provided; A heterogeneous driving motor is provided respectively and passes through a public feeder line supply of electrical energy to driver element, drive system also has top equipment, in order to adjustment current phasor measurement device.The current phasor measurement device is set, in order to the phase current in the phase branch road of measuring each driving motor.
According on the other hand, a kind of computer program is provided, it comprises program code, and it top method when on data processing unit, carrying out.
Therefore task of the present invention is; Guarantee for a plurality of driver element regulation phase current of the electric drive system of driving motor the time, can adjust identical torque, perhaps avoid because the deviation of controlled phase current appears in the tolerance of the current measuring device that uses between driving motor.
This task is through being used in the method for the drive system adjustment current phasor measurement device with a plurality of electric drive units and through equipment, drive system and computer program solution according to claim arranged side by side according to claim 1.
Other favourable structures of the present invention are explained in the dependent claims.
According to first aspect; A kind of method that is used at the drive system adjustment current phasor measurement device with a plurality of electronic driver elements is provided, wherein a heterogeneous driving motor is provided respectively and through a public feeder line supply of electrical energy to driver element.The current phasor measurement device is set, in order to the phase current in the phase branch road of measuring each driving motor.Through using the electric electromechanics flow measuring apparatus that both in the current path of first driver element, also in the current path of second driver element, can connect as a reference, the current phasor measurement device of first and second driver elements of harmonizing against each other.
The thought of top method is; Its such setting in drive system with a plurality of driving motors that each have the current phasor measurement device; Make the electric electromechanics flow measuring apparatus of electric current that can measure through each of these a plurality of driver elements by one, calibration against each other is useful on the current phasor measurement device of the phase current in the measurement driver element.This can carry out as follows, the electric electromechanics flow measuring apparatus current measuring device use as a reference that can measure through the electric current of each driver element, in order to calibrate the current phasor measurement device of distributing for each driving motor against each other.
Top method regulation through using the electric electromechanics flow measuring apparatus, is carried out the relative adjustment each other of current phasor measurement device.Can calibrate current phasor measurement against each other by the electric electromechanics flow measuring apparatus, make and to represent the identical phase current in the phase branch road of driving motor through identical current data.Can guarantee thus, provide motor current can adjust identical torque in as the torque adjustment of adjustment amount being based upon driver element.
A bit promptly enough for below the absolute pin-point accuracy that realizes current measurement: be merely the electric electromechanics flow measuring apparatus that is used for measuring public motor current and use one for measuring the current measuring device that the precise current value is calibrated at related driving motor.Top method makes it possible to use the current measuring device with less precision as the current phasor measurement device that is used to measure phase current.
In addition following step can be provided:
Current phasor measurement device in-first driver element of harmonizing, mode is:
Description of drawings
Specify preferred embodiment of the present invention according to accompanying drawing below.In the accompanying drawing:
Fig. 1 representes to have the synoptic diagram of the drive system of two driver elements, and these two driver elements are through a public power supply supply of electrical energy;
Fig. 2 representes to be used for explaining and is used for harmonizing relatively the process flow diagram of method of current measuring device of driver element.
Embodiment
Fig. 1 representes to have the synoptic diagram of the drive system 1 of two driver element 2R, 2L, and two driver elements respectively have a driving circuit 3R, 3L and one through respective drive circuit 3R, the driving motor 4R of 3L supply of electrical energy, 4L.Driving motor 4R, 4L for example can be used to drive the left side of automobile and the driving wheel right side (not shown).
Driving motor 4R, 4L are corresponding to the motor of the heterogeneous electronic commutation with a plurality of phase branch roads, and these phase branch roads are through the terminal energising that is connected accordingly.Driving motor 4R, 4L have stator winding for this reason, and wherein a plurality of phase branch roads for example can be connected to each other with star circuit or delta circuit.
Each driving circuit 3R, 3L can have a plurality of inverter circuits, for example H bridge or B6 circuit.Inverter circuit has one respectively by corresponding two series circuits that semiconductor switch 5 is formed, and they can be by independent triggering, and wherein the number of the inverter circuit of each driving circuit 3R, 3L is corresponding to the number of the phase branch road of relevant driving motor 4R, 4L.Semiconductor switch 5 for example can be used as for example formations such as thyristor, IGBT, IGCT, power MOSFET of power semiconductor switch.
The driving motor 4R of driver element 2R, 2L, each of 4L terminal that is connected is connected through corresponding intermediate node UR, VR, WR, UL, VL, the WL of phase line 8 with the wherein series circuit of affiliated driving circuit 3R, 3L.Each intermediate node UR, VR, WR, UL, VL, WL are between two relevant semiconductor switchs 5 of the inverter circuit of distributing to relevant phase branch road.The series circuit of semiconductor switch 5 is positioned at high power supply current potential V
HWith low power supply current potential V
LBetween, these current potentials can provide use for drive system 1 through corresponding supply line 6.
Be loaded with high power supply current potential V
HWith low power supply current potential V
LFeeder line 6 between intermediate circuit 7 can be set so that the current fluctuation on the filtering circuit 6, these current fluctuations can be in the generation in service of driving motor 4R, 4L.
The phase line 8 that intermediate node UR, VR, WR, UL, VL, the WL of the series circuit of driving circuit 3R, 3L linked to each other with the terminal that is connected accordingly of driving motor 4R, 4L has phase current sensor 9 (current phasor measurement device), in order to measure phase current IRU, IRV, IRW, ILU, ILV, the ILW that on corresponding phase line 8, flows and corresponding phase current data are provided.On a feeder line 6 motor current sensor 10 (electric electromechanics flow measuring apparatus) is provided therein in addition, in order to detect the total motor current IG that in driver element 2R, 2L, flows and corresponding electric electromechanics flow data is provided.
A control module 11 is provided in addition, and it is for triggering single semiconductor switch 5 structures.Trigger and carry out like this, each driving circuit 3R, 3L provide a corresponding rotating magnetic field for relevant driving motor 4R, the corresponding motor of 4L.Generally can in each driving circuit 3R, 3L, carry out triggering like this, closure is closed and high power supply current potential V respectively
HOne and low power supply current potential V of the semiconductor switch 5 that connects and another series circuit of closed semiconductor switch
LThe semiconductor switch 5 that connects, and remaining semiconductor switch 5 is opened.Phase current flows into driving motor 4R, 4L through phase line 8 wherein and flows out from driving motor 4R, 4L through another phase line 8 by this way, thereby constitutes the current path of a regulation.
When driving automobile and use this drive system 1, when the identical torque of needs, often need driver element 2R, 2L that identical torque is provided.Particularly this situation when driver element 2R, 2L construct for driving a driving wheel left side and the right side.Need trigger driving motor 4R, 4L with the phase current of predesignating or with the motor current that identical motor current is perhaps stipulated, making provides identical electric energy or the electric energy of predesignating through them for this reason.
The adjustment of phase current IRU, IRV, IRW, ILU, ILV or motor current IGR, IGL or regulation can be undertaken by Current Regulation, and this can realize in control module 11.Current Regulation can stipulate that phase current will be adjusted by the voltage (through intermediate node UR, VR, WR, UL, VL, WL) that driving circuit 3R, 3L apply through one of suitable adjustment.Through triggering semiconductor switch 5 by pulse-length modulation, can pass through driving circuit 3R, 3L adjusts voltage, make it possible to apply variable voltage at intermediate node UR, VR, WR, UL, VL, the WL place of respective drive circuit 3R, 3L.Yet this Current Regulation need be about the return messages of the electric current that in the phase branch road of driving motor 2R, 2L, flows through.
Therefore control module 11 has input, in order to receive about the phase current of measurement and the data of motor current.Phase current sensor 9 is connected with control module 11 and such return messages is provided for this reason, and phase current sensor 9 has by the tolerance of making decision here, therefore can cause producing measured deviation.That is to say, between current value of measuring and actual current value, have deviation.
For guaranteeing that driver element 2R, 2L provide identical driving torque to supply to use, need to harmonize relatively between the phase current sensor 9, especially between the phase current sensor 9 of distributing for different driver element 2R, 2L.Control module 11 has memory element in addition; Be used to store the corrected value that distributes to single current sensor 9,10; So that can in control module 11, proofread and correct the current data that provides by current sensor 9,10, for example through on corresponding current data, adding this corrected value.
Flowcharting among Fig. 2 is used for the method for harmonizing current sensor 9,10 relatively.This method is carried out as follows, in step S1 driving power 2R with one in same the connection and high power supply current potential V
HThe semiconductor switch 5 that connects and another and low power supply current potential V
LThe semiconductor switch 5 that connects, remaining semiconductor switch 5 is opened.Yet this o'clock preferably carries out with nonessential mode when the first driving motor 4R is static.Constitute thus from feeder line 6 through first the electric current road defile that gets into the first driving motor 4R and flow out from the first driving motor 4R the phase line 8 through second phase line 8.
The semiconductor switch 5 of remaining driver element 2L stays open, and does not flow so that do not produce electric current there.The current path that in the first driver element 2R, constitutes causes, and must flow through identical electric current through motor current sensor 10 with two phase current sensors 9 wherein.Current sensor 9,10 provides the data about the electric current of the measurement of control module 11, and control module 11 at step S2 with measured current data mutually relatively and be that each current sensor 9,10 is stipulated corresponding corrected values.This corrected value is so selected, and making provides the identical current data that is corrected after the correcting current data in control module 11.
Can be one of them phase current sensor 9 current sensor regulation as a reference, and the corrected value that obtains a regulation thus 0 or other value for example.Optional in addition scheme be motor current sensor 10 as a reference, it can be calibrated to an absolute current measurement in an independent calibration process.Through confirming corrected value, make that the current data after the correction that in control module 11, provides is identical, now corresponding to motor current sensor 10 corrected value of phase current sensor 9 of phase of the energising that is used for driving motor 4R, 4L of harmonizing.
Make up a current path through another phase branch road of one of them driving motor 4R, 4L in the above described manner at step S3 now, in order to give corresponding phase current sensor 9 loading currents, this electric current is corresponding to the electric current through motor current sensor 10.For that is to say of harmonizing as yet to its still the phase current sensor 9 of unallocated corrected value corrected value confirm carry out as follows, make the phase current data that are corrected accordingly electric electromechanics flow data corresponding to corresponding correction.This point repeats according to the inquiry at step S4 always, has distributed corrected value up to all phase current sensors 9 of giving the first driver element 2R.
If distributed corrected value for all phase current sensors 9 of the first driver element 2R; Then can harmonize the in the corresponding way now phase current sensor 9 (step S5) of the second driver element 2L; That is to say that the corresponding switch through semiconductor switch 5 makes up a current path through corresponding two phase current sensors 9 wherein on phase line 8; And confirm so and distribution corrected value (step S6) that the phase current data that are corrected that make the phase current sensor 9 that must harmonize are corresponding to the electric electromechanics flow data that is corrected.
Be the second driver element 2L also passes through motor 4R, 4L always corresponding to the inquiry of step S7 the current path of structure mutually, up to distributing corresponding correction value for all phase current sensors 9.The phase current sensor 9 that can harmonize all against each other by this way; Make the phase current of when predesignating a definite driving torque, in control module 11, realizing regulate and correspondingly to adjust the phase current ratings; So that two driver element 2R, 2L provide the driving torque of hope, particularly identical driving torque.
For realizing a bit promptly enough below the absolute pin-point accuracy: be merely motor current sensor 10 and use one to have the precision of improvement or have the sensor of less tolerance, and can use sensor with less accuracy as phase current sensor 9.
Phase current both can during the alignment procedure at driver element 2R, measure when 2L is static; Also can measure at run duration; Here when run duration, to note; The time migration of current measurement is as far as possible little in phase current sensor 9 and motor current sensor 10, so that make because the deviation that produces the time lapse of electric current is reduced to minimum.
Measurement can be carried out during initial phase, during middle circuit capacitor 7 is recharged.Can stipulate that for this reason supply voltage is connected on the feeder line 6 through the preposition resistance 12 that can connect.Driver element 2R, 2L can be connected with supply voltage through preposition resistance 12 thus.The resistance value of preposition resistance 12 and the Pirani gauge of the branch road mutually accurate electric current of setting the tone.The resistance value of preposition resistance should design like this, makes that the remainder error on the measurement zone that all uses is minimum.
In the optional embodiment of another kind; The phase current that in the relevant terminal that is connected that phase current sensor 9 is not provided, flows can save one of them phase current sensor 9 of each driver element 2R, 2L, because can be confirmed from the current data of remaining current sensor 9,10.Can further reduce system cost thus.
Claims (8)
1. be used for method at drive system adjustment current phasor measurement device with a plurality of electronic driver elements (2R, 2L); Wherein heterogeneous driving motor (4R, 4L) is set respectively and passes through a public feeder line (6) supply of electrical energy to driver element (2R, 2L); Current phasor measurement device (9) wherein is set; In order to the phase current in the phase branch road (8) of measuring respective drive motor (4R, 4L); Wherein through using the electric electromechanics flow measuring apparatus (10) both in the current path of first driver element (2R), also in the current path of second driver element (2L), can insert measurement mechanism as a reference, the current phasor measurement device (9) of first and second driver elements in the driver element of harmonizing against each other (2R, 2L).
2. method according to claim 1 has following step:
Current phasor measurement device (9) in-first driver element (2R) of harmonizing, mode is:
Successively connect the unbranched current path of the phase branch road (8) of the driving motor (4R) that passes through first driver element (2R);
Be used in the corrected value of the corresponding phase current data that provided by current phasor measurement device (9) of calibration through branch, harmonizing is arranged in the current phasor measurement device (9) of unbranched current path;
-corrected value through distributing one to be used for the electric electromechanics flow data that calibration provides by electric electromechanics flow measuring apparatus (10), adjustment electric electromechanics flow measuring apparatus (10);
Current phasor measurement device (9) in-second driver element (2R) of harmonizing, mode is:
Successively connect unbranched current path through the driving motor (4L) of second driver element (2L);
Be used in the corrected value of the corresponding phase current data that provide by current phasor measurement device (9) of calibration through branch; Adjustment is arranged in the current phasor measurement device (9) of unbranched current path, makes the phase current data that are calibrated corresponding to the electric electromechanics flow data that is calibrated.
3. method according to claim 2; Wherein, When unbranched current path when only the phase branch road (8) of the driving motor (4R) through first driver element (2R) is connected; Execution is arranged in the adjustment of the electric electromechanics flow measuring apparatus (10) of common feeder, makes the electric current that passes through phase branch road (8) corresponding to the electric current through electric electromechanics flow measuring apparatus (10).
4. method according to claim 2; Wherein, Pass through the adjustment of calibration electric electromechanics flow measuring apparatus (10) operating motor current measuring device (10) separately before at adjustment current phasor measurement device (9); Wherein so confirm corrected value, make the phase current data that are calibrated corresponding to the electric electromechanics flow data that is calibrated to current phasor measurement device (9) distribution.
5. according to the described method of one of claim 2 to 4, wherein, be arranged in the current phasor measurement device (9) of unbranched current path, make that the phase current data self that are calibrated are corresponding through distributing corrected value to harmonize.
6. one kind is used for harmonizing at the equipment of the current phasor measurement device (9) of the drive system (1) with a plurality of electronic driver elements (2R, 2L); Wherein heterogeneous driving motor (4R, 4L) is set respectively and passes through public feeder line (6) supply of electrical energy to driver element (2R, 2L); Current phasor measurement device (9) wherein is set; In order to the phase current in the phase branch road (8) of measuring respective drive motor (4R, 4L); Wherein construct this equipment; In order to through using the electric electromechanics flow measuring apparatus (10) both in the current path of first driver element (2R), also in the current path of second driver element (2L), can insert as a reference, the current phasor measurement device (9) of first and second driver elements in the driver element of harmonizing against each other (4R, 4L).
7. the drive system (1) that has a plurality of electronic driver elements (2R, 2L); Heterogeneous driving motor (4R, 4L) is set respectively and passes through public feeder line (6) supply of electrical energy to driver element (2R, 2L); Has equipment according to claim 6; In order to adjustment current phasor measurement device (9), this current phasor measurement device (9) is set, in order to the phase current in the phase branch road (8) of measuring respective drive motor (4R, 4L).
8. computer program, it comprises program code, and it according to the described method of one of claim 1 to 5 when on data processing unit, carrying out.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011075382A DE102011075382A1 (en) | 2011-05-06 | 2011-05-06 | Method for adjusting phase current measuring units in drive system with multiple electric-motor drive units, involves adding drive units with multi-phase drive motor and supplying common supply line with electrical energy |
| DE102011075382.6 | 2011-05-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102778600A true CN102778600A (en) | 2012-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102032629A Pending CN102778600A (en) | 2011-05-06 | 2012-05-04 | Method and device for calibrating current measurement in a driving system with a plurality of driving motors |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN102778600A (en) |
| DE (1) | DE102011075382A1 (en) |
| FR (1) | FR2974912B1 (en) |
| IT (1) | ITMI20120743A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104393732A (en) * | 2014-10-24 | 2015-03-04 | 无锡格林波特科技有限公司 | Maglev DC radial motor |
| CN106291424A (en) * | 2015-06-29 | 2017-01-04 | 大陆汽车有限公司 | For the method measuring measured current actual value and the deviation of current rating |
| CN111044964A (en) * | 2019-12-31 | 2020-04-21 | 惠州市蓝微电子有限公司 | Voltage and current reference debugging method and device |
| CN111181448A (en) * | 2020-02-13 | 2020-05-19 | 西北工业大学 | Error coordination system and correction method for double-motor group phase current sensor |
| CN111181447A (en) * | 2020-02-13 | 2020-05-19 | 西北工业大学 | Motor group current sensor cooperation system based on self-generated detection signal and correction method |
| CN111313767A (en) * | 2020-02-13 | 2020-06-19 | 西北工业大学 | Orthogonal dual-motor current sensor cooperation system based on chopping period and correction method |
| CN111404428A (en) * | 2020-02-13 | 2020-07-10 | 西北工业大学 | Phase-shift motor group current sensor cooperation system based on chopping period and correction method |
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- 2011-05-06 DE DE102011075382A patent/DE102011075382A1/en not_active Withdrawn
-
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- 2012-05-04 IT IT000743A patent/ITMI20120743A1/en unknown
- 2012-05-04 CN CN2012102032629A patent/CN102778600A/en active Pending
- 2012-05-04 FR FR1254103A patent/FR2974912B1/en not_active Expired - Fee Related
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| GB213980A (en) * | 1923-01-10 | 1924-04-10 | Gen Electric | Improvements in and relating to speed controlling mechanism for paper making or the like machines |
| JP2008160915A (en) * | 2006-12-21 | 2008-07-10 | Matsushita Electric Ind Co Ltd | Inverter controller for driving motor and apparatus employing the same |
| CN101902185A (en) * | 2009-05-28 | 2010-12-01 | 通用汽车环球科技运作公司 | Control method of operating, system and the equipment of two interchanges (AC) motor |
| CN101951212A (en) * | 2009-07-10 | 2011-01-19 | 株式会社捷太格特 | Control device of electric motor and electric power-assisted steering apparatus |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104393732B (en) * | 2014-10-24 | 2018-01-16 | 艾德斯汽车电机无锡有限公司 | Magnetic suspension direct current radial direction motor |
| CN104393732A (en) * | 2014-10-24 | 2015-03-04 | 无锡格林波特科技有限公司 | Maglev DC radial motor |
| US11009533B2 (en) | 2015-06-29 | 2021-05-18 | Vitesco Techologies GmbH | Method for determining deviations between actual measured current values and setpoint current values in a plurality of parallel-connected current-regulated circuit paths |
| CN106291424B (en) * | 2015-06-29 | 2019-06-18 | 大陆汽车有限公司 | Method for measuring the deviation of measured current actual value and current rating |
| CN106291424A (en) * | 2015-06-29 | 2017-01-04 | 大陆汽车有限公司 | For the method measuring measured current actual value and the deviation of current rating |
| CN111044964A (en) * | 2019-12-31 | 2020-04-21 | 惠州市蓝微电子有限公司 | Voltage and current reference debugging method and device |
| CN111181448A (en) * | 2020-02-13 | 2020-05-19 | 西北工业大学 | Error coordination system and correction method for double-motor group phase current sensor |
| CN111181447A (en) * | 2020-02-13 | 2020-05-19 | 西北工业大学 | Motor group current sensor cooperation system based on self-generated detection signal and correction method |
| CN111313767A (en) * | 2020-02-13 | 2020-06-19 | 西北工业大学 | Orthogonal dual-motor current sensor cooperation system based on chopping period and correction method |
| CN111404428A (en) * | 2020-02-13 | 2020-07-10 | 西北工业大学 | Phase-shift motor group current sensor cooperation system based on chopping period and correction method |
| CN111181448B (en) * | 2020-02-13 | 2022-02-18 | 西北工业大学 | Error coordination system and correction method for double-motor group phase current sensor |
| CN111404428B (en) * | 2020-02-13 | 2022-06-14 | 西北工业大学 | Phase-shifting motor group current sensor cooperation system based on chopped wave period and correction method |
| CN111313767B (en) * | 2020-02-13 | 2022-06-14 | 西北工业大学 | Orthogonal dual-motor current sensor cooperation system based on chopping period and correction method |
Also Published As
| Publication number | Publication date |
|---|---|
| ITMI20120743A1 (en) | 2012-11-07 |
| FR2974912B1 (en) | 2013-10-18 |
| FR2974912A1 (en) | 2012-11-09 |
| DE102011075382A1 (en) | 2012-11-08 |
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