CN110190796A - Pass through the method for rotating electric machine auxiliary adjustment Thermal Motor - Google Patents

Pass through the method for rotating electric machine auxiliary adjustment Thermal Motor Download PDF

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Publication number
CN110190796A
CN110190796A CN201910131900.2A CN201910131900A CN110190796A CN 110190796 A CN110190796 A CN 110190796A CN 201910131900 A CN201910131900 A CN 201910131900A CN 110190796 A CN110190796 A CN 110190796A
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China
Prior art keywords
torque
electric machine
rotating electric
rotor
stator
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Granted
Application number
CN201910131900.2A
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Chinese (zh)
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CN110190796B (en
Inventor
A.布柴尔
W.卡雷罗
A.德里恩
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Valeo Equipements Electriques Moteur SAS
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Valeo Equipements Electriques Moteur SAS
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Classifications

    • 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
    • H02P3/00—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters
    • H02P3/06—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter
    • H02P3/08—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter for stopping or slowing a dc motor
    • H02P3/12—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter for stopping or slowing a dc motor by short-circuit or resistive braking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/48—Parallel type
    • B60K6/485—Motor-assist type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
    • B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
    • B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W20/00—Control systems specially adapted for hybrid vehicles
    • B60W20/10—Controlling the power contribution of each of the prime movers to meet required power demand
    • B60W20/15—Control strategies specially adapted for achieving a particular effect
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
    • B60W30/18—Propelling the vehicle
    • B60W30/192—Mitigating problems related to power-up or power-down of the driveline, e.g. start-up of a cold engine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
    • B60W30/18—Propelling the vehicle
    • B60W30/20—Reducing vibrations in the driveline
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/08—Circuits or control means specially adapted for starting of engines
    • F02N11/0814—Circuits or control means specially adapted for starting of engines comprising means for controlling automatic idle-start-stop
    • 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
    • H02P23/14—Estimation or adaptation of motor parameters, e.g. rotor time constant, flux, speed, current or voltage
    • 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
    • H02P3/00—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters
    • H02P3/06—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter
    • H02P3/18—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter for stopping or slowing an ac motor
    • H02P3/22—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter for stopping or slowing an ac motor by short-circuit or resistive braking
    • 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
    • H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
    • H02P9/08—Control of generator circuit during starting or stopping of driving means, e.g. for initiating excitation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
    • B60W30/18—Propelling the vehicle
    • B60W30/20—Reducing vibrations in the driveline
    • B60W2030/206—Reducing vibrations in the driveline related or induced by the engine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W2050/0001—Details of the control system
    • B60W2050/0002—Automatic control, details of type of controller or control system architecture
    • B60W2050/0008—Feedback, closed loop systems or details of feedback error signal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2710/00—Output or target parameters relating to a particular sub-units
    • B60W2710/08—Electric propulsion units
    • B60W2710/083—Torque
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N2200/00—Parameters used for control of starting apparatus
    • F02N2200/04—Parameters used for control of starting apparatus said parameters being related to the starter motor
    • F02N2200/042—Starter torque
    • 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
    • H02P29/40—Regulating or controlling the amount of current drawn or delivered by the motor for controlling the mechanical load
    • 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
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems
    • 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
    • Y02T10/62—Hybrid vehicles

Abstract

Resistive torque is generated come the method for auxiliary adjustment Thermal Motor (11) by rotating electric machine (10) the invention mainly relates to a kind of, it is characterized in that the described method includes :-receive Resistance Setting torque (Tcons) the step of, especially from computer in the engine (15) obtain Resistance Setting torque；The step of measuring or estimating resistive torque (Tem) applied by rotating electric machine (10)；The step of Resistance Setting torque is compared with the resistive torque (Tem) applied, to determine torque difference；The step of correction torque difference, to obtain the exciting current of setting；With-as the phase (U of multi phase stator (18), V, W when) short-circuit, the step of exciting current for corresponding to the exciting current (lexc_cons) of setting is applied to wound rotor (19), so that rotating electric machine (10) generates resistive torque.

Description

Pass through the method for rotating electric machine auxiliary adjustment Thermal Motor
Technical field
The present invention relates to a kind of methods for the Thermal Motor by rotating electric machine auxiliary adjustment motor vehicles.
Background technique
In known manner, reversible electric machine can be connected to Thermal Motor, especially via auxiliary equipment appearance (accessories facade)。
The motor is commonly known as alternator-starter, can be operated with generator mode, so as to the electricity for vehicle Battery recharge, and operate in a motor mode, to provide torque for vehicle.
Generator mode can be used for regenerative braking capability, allow motor during the deboost phase to battery supplied electricity Energy.
Motoring mode is particularly useful for: stopping and restart automatically the function of Thermal Motor according to traffic condition It is (so-called for stopping and the STT of start-up function)；The function of auxiliary adjustment Thermal Motor；So-called function of increasing pressure is permitted Perhaps motor intermittently assists Thermal Motor during heat pattern downward driving；And it is known as the freewheel function of sliding, this makes Haulage chain can be disconnected in the case where the clearly action of not driver automatically by obtaining, to reduce the speed of engine or stop hair Motivation, to minimize fuel consumption and pollutant emission.
Implement auxiliary adjustment Thermal Motor function during, to setting torque it is poorly controlled can cause it is various Problem.Therefore, the acquisition of insufficient torque causes the vibration of Thermal Motor and therefore causes the vibration of vehicle, and excessive The unit of the auxiliary equipment of the easily damaged Thermal Motor of acquisition of torque in appearance.
Summary of the invention
The purpose of the present invention is during improving the stage of auxiliary adjustment Thermal Motor via the moment of torsion control in closed loop Moment of torsion control, while limitation expends the time and occupies the drawing of big memory headroom using developing as much as possible (cartographies)。
More specifically, subject of the present invention is that one kind is started by rotating electric machine generation resistive torque come auxiliary adjustment heating power The method of machine, the rotating electric machine include:
Wound rotor is designed as with the exciting current across it；With
Multi phase stator including multiple phases, which is characterized in that the described method includes:
The step of receiving Resistance Setting torque, the Resistance Setting torque especially obtained from computer in the engine；
The step of measuring or estimating the resistive torque for the crankshaft that Thermal Motor is applied to by rotating electric machine；
The step of Resistance Setting torque is compared with the resistive torque applied, to determine torque difference；
The step of correction torque difference, to obtain the exciting current of setting；With
When the phase short circuit of multi phase stator, the exciting current for corresponding to the exciting current of setting is applied to wound rotor The step of, so that rotating electric machine generates resistive torque.
According to one embodiment, estimated according to the internal resistance of the rotation speed of rotor, the exciting current of measurement and multi phase stator Resistive torque.
According to one embodiment, internal resistance is determined according to the temperature of the stator measured or estimated.
According to one embodiment, the method includes the magnetic flux square of rotor, orthogonal is determined from the exciting current of stator The step of product of stator inductance square and DC stator inductance and orthogonal stator inductance.
According to one embodiment, following data: the magnetic flux square of rotor, orthogonal stator inductance square and direct current are fixed The product of sub- inductance and orthogonal stator inductance each by corresponding drawing determine, particularly there is dimension.
According to one embodiment, the method includes determining electrical speed according to the rotation speed of rotor.
According to one embodiment, resistive torque is estimated by following formula:
- Tem is the resistive torque of estimation；
- ω is the electrical speed of rotating electric machine；
- Rs is the internal resistance of multi phase stator；
-Φ0It is the magnetic flux of rotor；
- Lq is orthogonal stator inductance；
- Ld is DC stator inductance；
- npp is quantity extremely pair；With
-It is the number of phases of rotating electric machine.
According to one embodiment, the rotation speed of rotor is measured by Hall effect analog sensor.
The invention further relates to a kind of control modules comprising memory, memory storage is for implementing such as previous definition Method software instruction.
The invention further relates to a kind of control modules for rotating electric machine, which is characterized in that it includes being configured as implementing The programmable logic circuit or integrated circuit of the method for the foregoing DC current for estimating to be generated by rotating electric machine.
Detailed description of the invention
The present invention may be better understood by reading to be described below and consult accompanying drawing.These attached drawings be purely with The mode of explanation and provide, and be in no way intended to limit the present invention.In the accompanying drawings:
Fig. 1 is to implement the torque according to the present invention for being used to estimate to apply during the stage of auxiliary adjustment Thermal Motor Method alternating current generator functional schematic；
Fig. 2 is estimating for the torque applied during the stage of auxiliary adjustment Thermal Motor by rotating electric machine according to the present invention The schematic diagram of gauge；
Fig. 3 is the functional schematic of the main modular of torque estimator according to the present invention；
Fig. 4 is the functional schematic of module, which allows to handle the torque applied for estimating rotating electric machine Formula；
Fig. 5 is the torque of the rotating electric machine during the stage of auxiliary adjustment Thermal Motor in the closed according to the present invention The schematic diagram of control.
Specific embodiment
Identical, similar or similar element retains identical reference from a figure to another figure.
Fig. 1 schematically shows alternator-starter 10 according to the present invention.Alternator-starter 10 is set Count into installation in the car, which includes the onboard power system for being connected to battery 12.In-vehicle networking can be 12V, 24V or 48V Type.Alternator-starter 10 by means of the chain with implantation auxiliary equipment appearance or system with 11' with itself The mode known is connected to Thermal Motor 11.
In addition, alternator-starter 10 can be according to such as LIN (Local Interconnect Network) type or CAN (controller Local Area Network) communication protocol of type (it is train bus) communicates with computer in the engine 15.
Alternator-starter 10 can be grasped with alternator mode (also referred to as generator mode) or motoring mode Make.
Particularly, alternator-starter 10 includes electronic technology component 13 and control module 14.
More specifically, electronic technology component 13 includes armature component 18 and inductor element 19.According to an example, armature 18 be stator, and inductor 19 is the rotor for including excitation coil 20.Stator 18 includes multiple phasesShow related In example, stator 18 includes three phases U, V and W.As modification, for five phase machines, the number of phases5 can be equal to, for six phases or Double three-phase machines, the number of phases6 can be equal to, for seven phase machines, the number of phases7 can be equal to.The phase of stator 18 can be with three Angular or star-shaped form connection.It is also contemplated that triangle and Y-connected combination.
Control module 14 includes exciting circuit 141 comprising to generate exciting current, which is injected chopper Into excitation coil 20.Exciting current can be measured for example by hall effect sensor.
The measurement of the Angle Position and angular speed of rotor 19 can by Hall effect analog sensor H1, H2, H3 and with Associated magnetic target 25 that rotor 19 rotates integrally executes.
Control module 14 further includes control circuit 142, control circuit 142 according to obtained from computer in the engine 15 and via The received control signal of signal connector 24 controls inverter 26.
Inverter 26 has arm, and each arm includes two switch elements, this allows to the open or close according to them Corresponding phase U, V, W of stator 18 are used to selectively connect to the supply voltage B+ of ground connection or battery 12 by state.Switch element is excellent Selection of land is the power transistor of MOSFET type.
The rank according to the present invention for estimating in auxiliary adjustment Thermal Motor 11 is described hereinafter with reference to Fig. 2 and 3 The method of the resistive torque Tem of the crankshaft of Thermal Motor 11 is applied to during section by rotating electric machine 10.Control module 14 can be with The software instruction realized including memory, storage for it.As modification, control module 14 includes being configured to realize basis Method of the invention: programmable logic circuit, such as (complex programmable is patrolled with FPGA (field programmable gate array) or CPLD Volume device) form；Or integrated circuit, such as ASIC (specific integrated circuit).
More specifically, module 14 according to the rotation speed Wmel_mes of measurement, the exciting current lexc_mes of measurement and The internal resistance estimated resistance torque T em of multi phase stator 18.Rotation speed is measured by above-mentioned hall effect sensor H1, H2, H3 Wmel_mes.Exciting current lexc_mes is measured by corresponding hall effect sensor.Internal resistance Rs is according to measuring or estimating The temperature of stator 18 determines.
For this purpose, determining the magnetic flux square Φ of rotor according to the exciting current lexc_mes of rotor0 2, orthogonal stator inductance is flat Square Lq2And the product of DC stator inductance Ld and orthogonal stator inductance Lq.
Therefore, exciting current lexc_mes is applied to the input terminal of drawing C1, and dimension allows to obtain in output end Obtain the magnetic flux phi of rotor0 2.Exciting current lexc_mes is applied to the input terminal of drawing C2, and dimension allows to exporting End obtains orthogonal stator inductance square Lq2.Exciting current lexc_mes is applied to the input terminal of drawing C3, and dimension makes can To obtain the product Ld*Lq of DC stator inductance and orthogonal stator inductance in output end.
Module M2 allows to determine electrical speed according to the rotation speed Wmel_mes of rotor.
Module M3 shown in Fig. 4 allows to according to above-mentioned input estimated resistance torque T em.
For this purpose, functional block B1 allows to obtain following formula:
Rs2+ω2.Lq2
Functional block B2, B3, B4, B5 allow to obtain following formula:
Rs2+ω2.Lq2
Functional block B6, B7 and B8 allow to obtain following formula:
(Rs2+ω2.LdLq)2
Then, module B9 and B10 can derive resistive torque Tem from following formula:
- ω is the electrical speed of rotating electric machine；
- Rs is the internal resistance of multi phase stator 18；
-Φ0It is the magnetic flux of rotor 19；
- Lq is orthogonal stator inductance；
- Ld is DC stator inductance；
- npp is quantity extremely pair；With
-It is the number of phases of rotating electric machine 10.
Regulating loop 30 is described hereinafter with reference to Fig. 5, which allows to start in auxiliary adjustment heating power Control is applied to the resistive torque Tem of the crankshaft of Thermal Motor by motor 10 during the stage of machine 11.
For this purpose, Resistance Setting torque T cons is compared by comparator Comp with the resistive torque Tem that motor applies, with Determine torque difference E.
The Resistance Setting torque Tcons received by rotating electric machine 10 is especially obtained from computer in the engine 15.As Modification, setting torque T cons can be generated by motor 10.
In the example shown, estimated to be applied to Thermal Motor by rotating electric machine 10 by means of previously described module M1 Crankshaft resistive torque Tem.As modification, resistive torque Tem can be measured by torquemeter, or by other kinds of Algorithm estimation.
Module M4 ensures correction torque difference E, to obtain the exciting current lexc_cons of setting.Correction can be such as It is PI type (ratio and integral) or PID type (proportional integration and differential).
Then, the exciting current corresponding to setting exciting current lexc_cons is applied to wound rotor 19, and multiphase is fixed Son 18 is mutually short-circuited, so that motor generates resistive torque Tem.
For this purpose, the exciting current lexc_cons of setting is applied to adjustment module, the adjustment module is with known side Formula includes comparator, is carried out to be applied to the value of exciting current lexc_mes of rotor 19 with setting electric current lexc_cons Compare, to determine difference.The current difference is applied to the input terminal of corrector, corrector such as PI type (ratio and integral) Or PID type (proportional integration and differential), so as to therefrom derive the coil for being transferred to rotor 19 exciting circuit 141 duty Than.
It is understood that the description of front purely provides in an illustrative manner, it does not limit the scope of the invention, The deviation from the scope of the present invention will not be made up of any other equivalent replacement different elements.
In addition, different characteristic of the invention, variant and/or embodiment can be associated with each other according to various combinations, as long as They are not incompatible or mutually exclusive.

Claims (10)

1. a kind of generate resistive torque by rotating electric machine (10) come the method for auxiliary adjustment Thermal Motor (11), the rotation Motor (10) includes:
Wound rotor (19) is designed as with the exciting current (lexc_mes) across it；With
Multi phase stator (18) including multiple phases (U, V, W),
It is characterized in that, which comprises
The step of receiving Resistance Setting torque (Tcons), the Resistance Setting torque especially obtained from computer in the engine (15)；
The step of measuring or estimating resistive torque (Tem) for the crankshaft that Thermal Motor (11) is applied to by rotating electric machine (10)；
The step of Resistance Setting torque (Tcons) is compared with the resistive torque (Tem) applied, to determine torque difference (E)；
The step of correction torque difference (E), to obtain the exciting current (lexc_cons) of setting；With
When phase (U, V, W) when multi phase stator (18) is short-circuit, the excitation electricity of the exciting current (lexc_cons) of setting will be corresponded to Stream is applied to the step of wound rotor (19), so that rotating electric machine (10) generates resistive torque.
2. the method according to claim 1, wherein according to the rotation speed (Wmel_mes) of rotor, measurement Internal resistance (Rs) the estimated resistance torque (Tem) of exciting current (lexc_mes) and multi phase stator (18).
3. according to the method described in claim 2, it is characterized in that, the temperature for the stator (18) that internal resistance (Rs) basis measures or estimates Degree determines.
4. according to the method in claim 2 or 3, which is characterized in that the method includes the exciting currents from stator (lexc_mes) magnetic flux (Φ of rotor is determined0) square, orthogonal stator inductance (Lq) square and DC stator inductance (Ld) and the step of the product of orthogonal stator inductance (Lq).
5. according to the method described in claim 4, it is characterized in that, each of following data by it is corresponding draw (C1, C2, C3) it determines, drawing particularly has dimension: rotor magnetic flux (Φ0) square, orthogonal stator inductance (Lq) square, with And the product of DC stator inductance (Ld) and orthogonal stator inductance (Lq).
6. the method according to any one of claim 2 to 5, which is characterized in that the method includes the rotations according to rotor Rotary speed (Wmel_mes) determines the step of electrical speed (ω).
7. the rotor according to claim 4 to 6, which is characterized in that resistive torque (Tem) is estimated from following formula:
- Tem is the resistive torque of estimation；
- ω is the electrical speed of rotating electric machine (10)；
- Rs is the internal resistance of multi phase stator (18)；
-Φ0It is the magnetic flux of rotor (19)；
- Lq is orthogonal stator inductance；
- Ld is DC stator inductance；
- npp is quantity extremely pair；With
-It is the number of phases of rotating electric machine (10).
8. method according to any one of claim 1 to 6, which is characterized in that pass through Hall effect analog sensor The rotation speed (Wmel_mes) of (H1, H2, H3) measurement rotor.
9. a kind of control module refers to including storing for implementing the software of method according to any one of claim 1 to 8 The memory of order.
10. a kind of control module (14) for rotating electric machine, which is characterized in that the control module includes being configured as implementing As method programmable described in any item of the claim 1 to 8 for estimating the DC current generated by rotating electric machine is patrolled Collect circuit or integrated circuit.
CN201910131900.2A 2018-02-22 2019-02-22 Method for auxiliary regulation of a heat engine by means of a rotating electric machine Active CN110190796B (en)

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