CN112186998A - Driving system based on double-rotor motor and control method of driving system - Google Patents

Driving system based on double-rotor motor and control method of driving system Download PDF

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Publication number
CN112186998A
CN112186998A CN202010838776.6A CN202010838776A CN112186998A CN 112186998 A CN112186998 A CN 112186998A CN 202010838776 A CN202010838776 A CN 202010838776A CN 112186998 A CN112186998 A CN 112186998A
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CN
China
Prior art keywords
motor
rotor
driven unit
output shaft
dual
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010838776.6A
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Chinese (zh)
Inventor
李宁
桂经良
李加军
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Weichai Power Co Ltd
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Weichai Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Weichai Power Co Ltd filed Critical Weichai Power Co Ltd
Priority to CN202010838776.6A priority Critical patent/CN112186998A/en
Publication of CN112186998A publication Critical patent/CN112186998A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K16/00—Machines with more than one rotor or stator
    • 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
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/61—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles
    • B60L50/62—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles charged by low-power generators primarily intended to support the batteries, e.g. range extenders
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/17—Stator cores with permanent magnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/11—Structural association with clutches, brakes, gears, pulleys or mechanical starters with dynamo-electric clutches
    • 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
    • H02P5/46—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors for speed regulation of two or more dynamo-electric motors in relation to one another
    • 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
    • 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
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

Abstract

The invention belongs to the technical field of motors, and provides a driving system based on a double-rotor motor.

Description

Driving system based on double-rotor motor and control method of driving system
Technical Field
The invention belongs to the technical field of motors, and particularly relates to a driving system based on a dual-rotor motor. The invention also relates to a control method of the drive system.
Background
This section provides background information related to the present disclosure only and is not necessarily prior art.
The existing double-rotor motor only has one stator and two rotors, the windings of the inner and outer rotors are connected in a reverse phase sequence, the whole motor is a synchronous-asynchronous motor, the output power cannot realize combined driving, the driving motor is mainly a synchronous motor, and the asynchronous motor cannot meet the driving requirement.
Disclosure of Invention
The invention aims to at least solve the problem that the power output by a double-rotor motor in the prior art cannot realize combined driving, and the aim is realized by the following technical scheme:
a first aspect of the present invention provides a dual-rotor motor-based drive system, including:
the double-rotor motor comprises a shell, an inner motor and an outer motor, wherein the inner motor and the outer motor run independently from each other, the inner motor comprises an inner rotor and an inner stator arranged on the radial periphery of the inner rotor, the outer motor comprises an outer rotor arranged on the radial periphery of the inner stator and an outer stator arranged on the radial periphery of the outer rotor, the inner motor further comprises an inner output shaft coaxially connected with the inner rotor, the outer motor further comprises an outer output shaft coaxially connected with the outer rotor, and the inner output shaft and the outer output shaft are coaxially arranged;
the clutch assembly comprises a first driven unit, a second driven unit, a driving unit and a clutch output shaft coaxially connected with the driving unit, the first driven unit is coaxially connected with the inner output shaft, the second driven unit is coaxially connected with the outer output shaft, and the clutch output shaft, the driving unit, the first driven unit and the second driven unit are coaxially arranged;
the control unit is electrically connected with the dual-rotor motor and the clutch assembly, controls the starting or closing of the inner motor and the outer motor, and controls the driving unit to be in transmission connection or disconnection connection with the first driven unit and/or the second driven unit.
The driving system based on the double-rotor motor realizes coaxial sleeving of double rotors and double stators through the inner motor and the outer motor, the inner motor and the outer motor run independently to realize combination of two motors with different powers, the double clutches realize power coupling of two inputs and one output, and the integrated double-rotor double-clutch driving system has the effect of two parallel motors and realizes various power modes.
In addition, according to the driving system based on the double-rotor motor, the following additional technical characteristics can be provided:
in some embodiments of the invention, the inner motor and the outer motor are both permanent magnet synchronous motors.
In some embodiments of the present invention, the inner stator and the outer stator are both permanent magnets, and a cross-sectional area of the inner stator is smaller than a cross-sectional area of the outer stator.
In some embodiments of the present invention, the clutch assembly is a dual electromagnetic clutch structure, and the first driven unit and the second driven unit can be coupled to or decoupled from the driving unit by a magnetic force.
In some embodiments of the present invention, the outer output shaft is a hollow shaft sleeved on the inner output shaft.
In some embodiments of the present invention, the drive system further comprises a bearing sleeved on the outer output shaft.
In some embodiments of the present invention, the inner stator and the outer stator are fixedly connected with the housing.
In some embodiments of the present invention, the inner motor and the outer motor have a power generation mode in which power generation is performed by reverse torque.
A second aspect of the present invention proposes a control method of a drive system, which is implemented according to the drive system based on the pair-rotor motor proposed in the first aspect of the present invention, the control method of the drive system including the steps of:
receiving a torque demand signal and a power demand signal;
judging torque demand and power demand according to the torque demand signal and the power demand signal, if low torque and small power are demanded, controlling the inner motor to start to work and controlling the first driven unit to be combined with the driving unit, if medium torque and medium power are demanded, controlling the outer motor to start to work and controlling the second driven unit to be combined with the driving unit, and if large torque and high power are demanded, controlling the inner motor and the outer motor to start to work simultaneously and controlling the first driven unit and the second driven unit to be combined with the driving unit simultaneously.
The control method of the driving system according to the second aspect of the present invention has the same advantages as the driving system based on the dual-rotor motor according to the first aspect of the present invention, and details thereof are not repeated herein.
In some embodiments of the present invention, after determining the torque demand and the power demand, the output torques of the inner motor and the outer motor are determined according to a preset torque distribution principle.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like parts are designated by like reference numerals throughout the drawings. In the drawings:
fig. 1 schematically shows a structural diagram of a dual-rotor motor-based driving system according to an embodiment of the present invention;
FIG. 2 schematically illustrates a logic diagram of a control method of a drive system according to an embodiment of the invention;
the reference symbols in the drawings denote the following:
100: a dual rotor motor;
10: inner motor, 11: inner stator, 12: inner rotor, 13: an inner output shaft;
20: outer motor, 21: outer stator, 22: outer rotor, 23: an outer output shaft;
200: clutch assembly
31: first driven unit, 32: second driven unit, 33: active unit, 34: a clutch output shaft;
40: a housing;
50: a bearing,
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.
Although the terms, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "second" and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, an element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.
For convenience of description, spatially relative terms, such as "inner", "outer", "inner", "side", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
As shown in fig. 1, a first aspect of the present invention provides a driving system based on a dual-rotor motor 100, where the driving system based on the dual-rotor motor 100 includes:
a dual rotor motor 100, the dual rotor motor 100 including a housing 40 and an inner motor 10 and an outer motor 20 which operate independently of each other, the inner motor 10 including an inner rotor 12 and an inner stator 11 provided at a radial periphery of the inner rotor 12, the outer motor 20 including an outer rotor 22 provided at a radial periphery of the inner stator 11 and an outer stator 21 provided at a radial periphery of the outer rotor 22, the inner motor 10 further including an inner output shaft 13 coaxially connected to the inner rotor 12, the outer motor 20 further including an outer output shaft 23 coaxially connected to the outer rotor 22, the inner output shaft 13 being coaxially provided with the outer output shaft 23, the inner motor 10 and the outer motor 20 being synchronous motors and having a motor mode and a generator mode, the motor mode being for outputting power when the present invention is applied to an electric vehicle, the inner motor 10 and the outer motor 20 generating power by reverse torque when the electric vehicle is braked, charging a battery of the electric automobile;
the clutch assembly 200 comprises a first driven unit 31, a second driven unit 32, a driving unit 33 and a clutch output shaft 34 coaxially connected with the driving unit 33, wherein the first driven unit 31 is coaxially connected with the inner output shaft 13, the second driven unit 32 is coaxially connected with the outer output shaft 23, the clutch output shaft 34, the driving unit 33, the first driven unit 31 and the second driven unit 32 are coaxially arranged, the clutch assembly 200 can be an electromagnetic clutch or a friction clutch and is connected with two output ends of the double-rotor motor 100 through the two driven units, and the driving unit 33 is connected with the driven unit under the control of rain, so that the power coupling of two inputs and one output is realized;
and the control unit is electrically connected with the dual-rotor motor 100 and the clutch assembly 200, controls the starting or the closing of the inner motor 10 and the outer motor 20, and controls the driving unit 33 to be in transmission connection or disconnection connection with the first driven unit 31 and/or the second driven unit 32. When the present invention is applied to an electric vehicle, the control unit may be or integrated with the ECU of the electric vehicle.
The driving system based on the double-rotor motor 100 provided by the invention realizes double-rotor double-stator coaxial sleeving through the inner motor 10 and the outer motor 20, the torque and the power of the inner motor 10 are smaller, the torque and the power of the outer motor 20 are larger, the inner motor 10 and the outer motor 20 independently run, the combination of two different power motors is realized, whether the inner motor 10 and the outer motor 20 run or not is controlled according to actual requirements, the outer motor 20 is sleeved in the inner motor 10 and is coaxially arranged with the inner motor 10, so that the structure of the driving system is highly integrated, the size is favorably reduced, two-input and one-output power coupling is realized by respectively connecting the first driven unit 31 and the second driven unit 32 in the clutch assembly 200 with the driving unit 33, the integrated double-rotor double-clutch driving system has the effect of two parallel motors, and various power modes are realized.
In some embodiments of the present invention, the inner motor 10 and the outer motor 20 are both permanent magnet synchronous motors. The permanent magnet synchronous motor has the advantages of simple structure, stable performance and good reliability.
In some embodiments of the present invention, both the inner stator 11 and the outer stator 21 are permanent magnets, and the cross-sectional area of the inner stator 11 is smaller than that of the outer stator 21.
In some embodiments of the present invention, the clutch assembly 200 is a dual electromagnetic clutch structure, and the first driven unit 31 and the second driven unit 32 can be coupled to or separated from the driving unit 33 by a magnetic force. The control unit and the electromagnetic clutch are used for controlling the first driven unit 31 and/or the second driven unit 32 to be combined with or separated from the driving unit 33, the electromagnetic clutch can realize remote control through electric connection, and the control energy is small, the action is fast, and the structure is simple.
In some embodiments of the present invention, the outer output shaft 23 is a hollow shaft sleeved on the inner output shaft 13. The hollow shaft is sleeved on the inner output shaft 13, so that the integration level of the structure is improved, and the size is reduced.
In some embodiments of the present invention, the drive system further comprises a bearing 50 mounted on the outer output shaft 23. The outer output shaft 23 is supported and the coefficient of friction of the outer output shaft 23 is reduced by providing a bearing 50.
In some embodiments of the present invention, the inner stator 11 and the outer stator 21 are fixedly coupled with the housing 40. The inner stator 11 and the outer stator 21 are supported by the casing 40, thereby improving the integration of the system and reducing the size.
In some embodiments of the present invention, the inner motor 10 and the outer motor 20 have a power generation mode in which power generation is performed by reverse torque. The economy is improved by using the reverse torque in the power generation mode.
As shown in fig. 2, a second aspect of the present invention provides a control method of a drive system, which is implemented by the drive system based on the dual-rotor motor 100 according to the first aspect of the present invention, and the control method of the drive system includes the steps of:
receiving a torque demand signal and a power demand signal;
judging a torque demand and a power demand according to the torque demand signal and the power demand signal, controlling the inner motor 10 to start up and engage the first driven unit 31 with the driving unit 33 if low torque and small power are demanded, controlling the outer motor 20 to start up and engage the second driven unit 32 with the driving unit 33 if medium torque and medium power are demanded, controlling the inner motor 10 and the outer motor 20 to start up and engage the driving unit 33 simultaneously if large torque and high power are demanded, and controlling the first driven unit 31 and the second driven unit 32 to engage the driving unit 33 simultaneously.
According to the control method of the driving system provided by the second aspect of the invention, the control unit starts the output of the motor with corresponding combination according to the torque and power with different requirements, and multiple power modes are matched to meet the driving requirements.
In some embodiments of the present invention, after the torque requirement and the power requirement are determined, the output torques of the inner motor 10 and the outer motor 20 are determined according to the preset torque distribution principle, the input current of the motors is controlled to control the output torques of the motors, and the inner motor 10 or the outer motor 20 is adjusted with different torques, thereby improving the economy.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A dual-rotor motor-based drive system, characterized by comprising:
the double-rotor motor comprises a shell, an inner motor and an outer motor, wherein the inner motor and the outer motor run independently from each other, the inner motor comprises an inner rotor and an inner stator arranged on the radial periphery of the inner rotor, the outer motor comprises an outer rotor arranged on the radial periphery of the inner stator and an outer stator arranged on the radial periphery of the outer rotor, the inner motor further comprises an inner output shaft coaxially connected with the inner rotor, the outer motor further comprises an outer output shaft coaxially connected with the outer rotor, and the inner output shaft and the outer output shaft are coaxially arranged;
the clutch assembly comprises a first driven unit, a second driven unit, a driving unit and a clutch output shaft coaxially connected with the driving unit, the first driven unit is coaxially connected with the inner output shaft, the second driven unit is coaxially connected with the outer output shaft, and the clutch output shaft, the driving unit, the first driven unit and the second driven unit are coaxially arranged;
the control unit is electrically connected with the dual-rotor motor and the clutch assembly, controls the starting or closing of the inner motor and the outer motor, and controls the driving unit to be in transmission connection or disconnection connection with the first driven unit and/or the second driven unit.
2. The dual rotor motor based drive system of claim 1, wherein both the inner motor and the outer motor are permanent magnet synchronous motors.
3. The dual-rotor motor-based driving system of claim 1, wherein the inner stator and the outer stator are both permanent magnets, and the cross-sectional area of the inner stator is smaller than that of the outer stator.
4. The dual rotor motor-based driving system of claim 1, wherein the clutch assembly is a dual electromagnetic clutch structure, and the first driven unit and the second driven unit can be coupled to or separated from the driving unit by a magnetic force.
5. The dual-rotor motor-based driving system as claimed in claim 1, wherein the outer output shaft is a hollow shaft sleeved on the inner output shaft.
6. The dual rotor motor based drive system as claimed in any one of claims 1 to 5, further comprising a bearing sleeved on the outer output shaft.
7. The dual rotor motor-based driving system as claimed in any one of claims 1 to 5, wherein the inner stator and the outer stator are fixedly coupled to the housing.
8. The pair-rotor motor-based driving system according to any one of claims 1 to 5, wherein the inner motor and the outer motor have a power generation mode in which power generation is performed by reverse torque.
9. A control method of a drive system, characterized in that the drive system based on a pair-rotor motor according to any one of claims 1 to 8 is implemented, the control method of the drive system comprising the steps of:
receiving a torque demand signal and a power demand signal;
judging torque demand and power demand according to the torque demand signal and the power demand signal, if low torque and small power are demanded, controlling the inner motor to start to work and controlling the first driven unit to be combined with the driving unit, if medium torque and medium power are demanded, controlling the outer motor to start to work and controlling the second driven unit to be combined with the driving unit, and if large torque and high power are demanded, controlling the inner motor and the outer motor to start to work simultaneously and controlling the first driven unit and the second driven unit to be combined with the driving unit simultaneously.
10. The control method of a drive system according to claim 9, wherein the output torques of the inner motor and the outer motor are determined according to a preset torque distribution rule after the torque demand and the power demand are judged.
CN202010838776.6A 2020-08-19 2020-08-19 Driving system based on double-rotor motor and control method of driving system Pending CN112186998A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010838776.6A CN112186998A (en) 2020-08-19 2020-08-19 Driving system based on double-rotor motor and control method of driving system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010838776.6A CN112186998A (en) 2020-08-19 2020-08-19 Driving system based on double-rotor motor and control method of driving system

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CN112186998A true CN112186998A (en) 2021-01-05

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103640470A (en) * 2013-12-10 2014-03-19 江苏大学 Birotor motor structure applied to drive of vehicle hub and power transmission mode thereof
CN107733152A (en) * 2017-09-15 2018-02-23 北京精密机电控制设备研究所 A kind of arrangement of clutch for bi-motor
CN108790936A (en) * 2017-04-28 2018-11-13 华为技术有限公司 A kind of power coupling drive system, electric vehicle and control method
CN110504808A (en) * 2019-09-12 2019-11-26 南通大任永磁电机制造有限公司 A kind of radial compound is double to hold up magneto alternator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103640470A (en) * 2013-12-10 2014-03-19 江苏大学 Birotor motor structure applied to drive of vehicle hub and power transmission mode thereof
CN108790936A (en) * 2017-04-28 2018-11-13 华为技术有限公司 A kind of power coupling drive system, electric vehicle and control method
CN107733152A (en) * 2017-09-15 2018-02-23 北京精密机电控制设备研究所 A kind of arrangement of clutch for bi-motor
CN110504808A (en) * 2019-09-12 2019-11-26 南通大任永磁电机制造有限公司 A kind of radial compound is double to hold up magneto alternator

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