WO2021185288A1 - 电机控制***和车辆 - Google Patents
电机控制***和车辆 Download PDFInfo
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- WO2021185288A1 WO2021185288A1 PCT/CN2021/081357 CN2021081357W WO2021185288A1 WO 2021185288 A1 WO2021185288 A1 WO 2021185288A1 CN 2021081357 W CN2021081357 W CN 2021081357W WO 2021185288 A1 WO2021185288 A1 WO 2021185288A1
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- motor
- unit
- drive
- signal
- motor control
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
- H02H7/0822—Integrated protection, motor control centres
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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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- 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
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
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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
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0061—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electrical machines
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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
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/04—Cutting off the power supply under fault conditions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
- H02H7/0833—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors for electric motors with control arrangements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
- H02H7/0833—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors for electric motors with control arrangements
- H02H7/0844—Fail safe control, e.g. by comparing control signal and controlled current, isolating motor on commutation error
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
- H02H7/09—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against over-voltage; against reduction of voltage; against phase interruption
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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
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
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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
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/02—Providing protection against overload without automatic interruption of supply
- H02P29/024—Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load
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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
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/08—Arrangements for controlling the speed or torque of a single motor
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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
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/24—Arrangements for stopping
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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
- 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
- B60L2240/421—Speed
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
- H02H3/021—Details concerning the disconnection itself, e.g. at a particular instant, particularly at zero value of current, disconnection in a predetermined order
- H02H3/023—Details concerning the disconnection itself, e.g. at a particular instant, particularly at zero value of current, disconnection in a predetermined order by short-circuiting
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
Definitions
- the present invention relates to the field of vehicle technology, in particular to a motor control system and a vehicle including the motor control system.
- the power source of pure electric vehicles is basically motor driven, and hybrid vehicles also have motor drive systems.
- Motor drive control not only considers functional performance in the vehicle application field, but also considers safety and reliability to avoid unexpected conditions.
- In the motor controller design process there are generally many schemes that consider function and performance, and the safety design of the motor controller is not sufficient.
- the present invention aims to solve one of the technical problems in the related art at least to a certain extent.
- an object of the present invention is to provide a motor control system, which can improve the safety of motor control.
- the motor control system of the embodiment of the first aspect of the present invention includes: a main control unit, a power supply unit, and a drive unit, wherein the main control unit is used to obtain motor sampling data and power supply from the drive unit Signal, generating a motor control signal based on the sampled data, and outputting a safety enable signal when it is determined that the motor drive is abnormal based on the sampled data or the power supply of the drive unit is abnormal based on the power supply signal; the power supply unit uses When supplying power to the main control unit and monitoring the state of the main control unit, when the main control unit is abnormal or the main control unit is abnormal, a safety cut-off signal is output; the driving unit is used to drive the motor according to the motor control signal, and Switch to a safe path when receiving any one of the safety enable signal and the safety cut-off signal.
- the motor drive and the power supply of the drive unit are monitored through the main control unit, and the state of the main control unit is monitored through the power supply unit, that is, multiple monitoring mechanisms are set up, and the drive unit is receiving When either the safety cut-off signal or the safety enable signal is signaled, it will switch to the safe path, that is, multiple safe cut-off paths are added.
- the motor When the motor is driven abnormally, the motor can be kept in a safe state, thereby improving the safety level of motor control.
- the vehicle of the embodiment of the second aspect of the present invention includes a motor and the motor control system, and the motor control system is used to drive and control the motor.
- the safety level of motor control can be improved, and the safety can be improved.
- Fig. 1 is a schematic diagram of a topological structure of a motor control system in the prior art
- Figure 2 is a schematic diagram of the topology of a motor control system according to an embodiment of the present invention.
- Fig. 3 is a flowchart of controlling the drive unit to switch to a safe path according to an embodiment of the present invention
- Figure 1 is a schematic diagram of a typical topology of a motor drive system in the prior art.
- the motor control system needs to consider system integration reliability and system safety.
- FIG. 2 is a schematic diagram of the topology structure of a motor control system according to an embodiment of the present invention.
- the motor control system 1 of the embodiment of the present invention includes a main control unit 10, a power supply unit 20 and a driving unit 30.
- step S2 judge whether it meets ⁇ motor speed-preset speed ⁇ set speed difference, or ⁇ bus voltage-preset voltage ⁇ set voltage difference. If yes, go to step S3, otherwise go to step S4.
- step S4 judge whether the fault signal is a three-phase upper bridge arm circuit, if yes, go to step S5, otherwise go to step S6.
- the main control unit 10 monitors the power supply of the drive unit 30.
- the main control unit 10 controls all the six drive power units of the drive unit 30 to turn off, so that the motor enters a safe state.
- the main control unit 10 may adopt multi-chip processing or multi-core processing to realize the monitoring of signals and control targets and various diagnoses, and provide more comprehensive and reliable control of the motor.
- the main control unit 10 includes multiple control subunits, and the multiple control subunits are multiple control cores or multiple processing chips.
- the multiple control subunits include at least a main function subunit 11 and a monitoring subunit 12, where the main function subunit 11 is used to obtain motor sampling data such as three-phase currents Ia, Ib. , Ic, voltage Udc, angle data, and generate a motor control signal according to the motor sampling data.
- the drive unit 30 can drive the motor according to the motor control signal; specifically, the main function subunit 11 mainly completes torque control and failure Management and other content, such as inputting process data to the monitoring subunit 12 at the same time.
- the monitoring subunit 12 is used to perform information diagnosis and generate diagnostic information, and obtain process data of the main function subunit 11 to monitor the state of the main function subunit, that is, to perform control flow monitoring. Specifically, as shown in FIG. 4, the monitoring subunit 12 mainly completes functions such as torque monitoring, fault diagnosis, signal diagnosis, communication diagnosis, and output diagnosis.
- the sampled data may include motor angle data
- the multiple control sub-units further include a first co-processing sub-unit 13, which is used to resolve and decode the motor angle data to obtain motor control.
- the required angle, and the motor angle data is transmitted to the main function subunit 11.
- the first co-processing subunit 13 mainly completes resolver decoding, outputs the excitation signal exc to the resolver sensor, and then demodulates the sin/cos signal of the resolver sensor to obtain The angle required for motor control.
- the second co-processing subunit 14 includes a fast protection module 141 and a control signal processing module 142.
- the fast protection module 141 is used to determine the driving state of the motor according to the sampled data, for example, to determine the drive according to the sampled current, voltage, resolver signal, etc. In the event of a fault, perform rapid shutdown and other processing to make the motor in a safe state when a fault occurs.
- the control signal processing module 142 is used to take the motor control signal of the main function subunit 11 as the final motor control signal when the motor is driving normally, and control the operation of the motor according to the motor control signal PWM0 of the main function subunit 11, for example, output PWM ⁇ 3_T to To the three-phase upper bridge arm circuit, and output PWM ⁇ 3_B to the three-phase lower bridge arm circuit.
- the motor safety control signal PWM1 of the monitoring subunit 12 is used as the final motor control signal, and the driving unit 30 is further controlled to switch to the safe path according to the sampled data.
- the fast protection module 141 performs fast shutdown and other processing by sampling the current, voltage, resolver and other fault information obtained, so that the motor is in a safe state when a fault occurs.
- Control signal processing module 142 synthesis Data_PWM1 and the processing information of the fast protection module 141 process the final output PWM_out waveform, and control the drive unit 30 to switch to a safe path according to the bus voltage sampling or the motor speed in the event of a fault.
- Fig. 5 is a flowchart of the PWM waveform processing process performed by the control signal processing module 141 according to an embodiment of the present invention, including the following steps.
- step S12 Diagnose whether there is a motor drive abnormal signal, if yes, go to step S14, otherwise go to step S13.
- step S17 Determine whether the fault signal is a three-phase upper bridge arm circuit, if yes, go to step S18, otherwise go to step S19.
- the main control unit 10 monitors the main function subunit 11 through the monitoring subunit 12 by using multiple control cores or multi-processing chips, and controls the main function subunit 11 through the second co-processing subunit 14
- the function is optimized, that is, the control function is optimized and integrated, which is conducive to improving the safety level.
- each power unit of the drive unit 30 can be independently powered.
- the motor control system 1 includes two drive power supplies, and the two drive power supplies are the three-phase power supply of the drive unit 30.
- the upper bridge arm circuit 31 and the three-phase lower bridge arm circuit are powered by a power supply of 32 Vcc; or, the motor control system 1 includes six drive power sources, and the six 1 drive power sources are the three-phase upper bridge arm circuit and the three-phase drive unit 30 respectively.
- the six-way drive power unit of the lower bridge arm circuit supplies power. So as to realize the independent power supply of the power supply.
- the motor control system 1 of the embodiment of the present invention adds a more complete diagnosis mechanism, through multi-layer monitoring processing, while optimizing and integrating the control function, adding a multi-layer power cut-off path to the motor control system 1.
- the use of an independent power supply system, signal monitoring and control target monitoring, so as to ensure the safety of power output, can make the electronic control system more reliable, can significantly improve the safety level of motor control, and thus ensure the safe operation of the vehicle.
- Fig. 6 is a block diagram of a vehicle according to an embodiment of the present invention.
- a vehicle 100 according to an embodiment of the present invention includes a motor 2 and the motor control system 1 of the above embodiment.
- the motor control system 1 controls the motor 2
- the structure and safety design of the motor control system 1 can refer to the description of the above embodiment.
- the safety level of the control of the motor 2 can be improved, and the safety can be improved.
- first and second are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, the features defined with “first” and “second” may explicitly or implicitly include one or more of these features. In the description of the present invention, “plurality” means two or more, unless otherwise specifically defined.
- the terms “installed”, “connected”, “connected”, “fixed” and other terms should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. , Or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two components or the interaction relationship between two components.
- installed can be a fixed connection or a detachable connection. , Or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two components or the interaction relationship between two components.
- the “on” or “under” of the first feature on the second feature may be in direct contact with the first and second features, or the first and second features may be indirectly through an intermediary. touch.
- the “above”, “above” and “above” of the first feature on the second feature may mean that the first feature is directly above or diagonally above the second feature, or it simply means that the level of the first feature is higher than that of the second feature.
- the “below”, “below” and “below” of the second feature of the first feature may mean that the first feature is directly below or obliquely below the second feature, or it simply means that the level of the first feature is smaller than the second feature.
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- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Control Of Electric Motors In General (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Control Of Ac Motors In General (AREA)
Abstract
Description
Claims (10)
- 一种电机控制***,其特征在于,包括主控单元、电源单元和驱动单元,其中,所述主控单元,用于获取电机采样数据和所述驱动单元的供电信号,根据所述采样数据生成电机控制信号,并在根据所述采样数据确定电机驱动异常或者根据所述供电信号确定所述驱动单元供电异常时,输出安全使能信号;所述电源单元,用于为所述主控单元供电并监控所述主控单元状态,在自身异常或所述主控单元异常时,输出安全切断信号;所述驱动单元,用于根据电机控制信号驱动电机,并在接收到所述安全使能信号和所述安全切断信号中的任一信号时切换至安全路径。
- 根据权利要求1所述的电机控制***,其特征在于,所述采样数据可以包括电机转速和母线电压中的至少一种,所述主控单元在电机驱动异常时,根据采样数据控制驱动单元切换至安全路径,其中,在电机转速与预设转速的差值绝对值小于设定转速差值时,或者,在母线电压与预设电压的差值绝对值小于设定电压差值时,控制驱动单元的六路驱动功率单元全部关断。
- 根据权利要求1或2所述的电机控制***,其特征在于,所述主控单元在所述驱动单元供电异常时,控制所述驱动单元的六路驱动功率单元全部关断;所述电源单元在自身异常或所述主控单元异常时,控制所述驱动单元的六路驱动功率单元全部关断。
- 根据权利要求1-3中任一项所述的电机控制***,其特征在于,所述主控单元包括多个控制子单元,多个所述控制子单元为多个控制核或者多个处理芯片。
- 根据权利要求4所述的电机控制***,其特征在于,多个所述控制子单元至少包括:主功能子单元,用于获取电机采样数据,并根据所述电机采样数据生成所述电机控制信号;监控子单元,用于进行信息诊断并生成诊断信息,并获取所述主功能子单元的过程数据,以监控所述主功能子单元状态。
- 根据权利要求5所述的电机控制***,其特征在于,所述采样数据包括电机角度数据;多个所述控制子单元还包括第一协处理子单元,所述第一协助处理子单元用于对所述电机角度数据进行旋变解码,以获得电机控制所需角度。
- 根据权利要求6所述的电机控制***,其特征在于,所述监控子单元,还用于根据诊断信息、控制使能与否的信息、可使电机处于安全状态的控制信息生成电机安全控制信号;多个所述控制子单元还包括第二协处理子单元,所述第二协处理子单元用于根据所述采样数据确定电机驱动状态,并根据所述主功能子单元输出的电机控制信号、所述监控子单元输出的电机安全控制信号以及电机驱动状态输出最终电机控制信号。
- 根据权利要求7所述的电机控制***,其特征在于,所述第二协助处理子单元包括:快速保护模块,用于根据所述采样数据确定所述电机驱动状态;控制信号处理模块,用于在电机驱动正常时,将所述主功能子单元的电机控制信号作为所述最终电机控制信号,根据所述主功能子单元的电机控制信号控制电机运行,或者,在电机驱动异常时,将所述监控子单元的电机安全控制信号作为所述最终电机控制信号,并根据所述采样数据控制所述驱动单元切换至安全路径。
- 根据权利要求1-8中任一项所述的电机控制***,其特征在于,所述电机控制***包括两个驱动电源,两个所述驱动电源分别为所述驱动单元的三相上桥臂电路和三相下桥臂电路供电;或者,所述电机控制***包括六个驱动电源,六个所述驱动电源分别为所述驱动单元的三相上桥臂电路和三相下桥臂电路的六路驱动功率单元供电。
- 一种车辆,其特征在于,包括电机和权利要求1-9任一项所述的电机控制***,所述电机控制***用于对所述电机进行驱动控制。
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EP21771816.2A EP4113772A4 (en) | 2020-03-17 | 2021-03-17 | ENGINE CONTROL SYSTEM AND VEHICLE |
JP2022555927A JP2023518401A (ja) | 2020-03-17 | 2021-03-17 | モータ制御システム及び車両 |
KR1020227033818A KR20220146613A (ko) | 2020-03-17 | 2021-03-17 | 모터 제어 시스템 및 차량 |
US17/943,878 US20230006437A1 (en) | 2020-03-17 | 2022-09-13 | Motor control system and vehicle |
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CN202010188480.4A CN113422347B (zh) | 2020-03-17 | 2020-03-17 | 电机控制***和车辆 |
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CN114162071A (zh) * | 2021-12-02 | 2022-03-11 | 臻驱科技(上海)有限公司 | 电机控制器的内部供电架构、方法及电动车辆 |
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CN114670639B (zh) * | 2022-01-05 | 2024-06-25 | 北京新能源汽车股份有限公司 | 一种纯电动汽车主动短路控制架构、控制方法和*** |
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KR20220146613A (ko) | 2022-11-01 |
CN113422347A (zh) | 2021-09-21 |
CN113422347B (zh) | 2023-03-14 |
US20230006437A1 (en) | 2023-01-05 |
JP2023518401A (ja) | 2023-05-01 |
EP4113772A4 (en) | 2023-09-13 |
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