WO2009086700A1 - Régulateur de vitesse d'un véhicule hybride et procédé associé - Google Patents

Régulateur de vitesse d'un véhicule hybride et procédé associé Download PDF

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Publication number
WO2009086700A1
WO2009086700A1 PCT/CN2008/000056 CN2008000056W WO2009086700A1 WO 2009086700 A1 WO2009086700 A1 WO 2009086700A1 CN 2008000056 W CN2008000056 W CN 2008000056W WO 2009086700 A1 WO2009086700 A1 WO 2009086700A1
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WO
WIPO (PCT)
Prior art keywords
control unit
cruise control
motor
speed
engine
Prior art date
Application number
PCT/CN2008/000056
Other languages
English (en)
Chinese (zh)
Inventor
Hong Lv
Original Assignee
Guilin Geely Stars Oil-Electric Hybrid Engine 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 Guilin Geely Stars Oil-Electric Hybrid Engine Co., Ltd. filed Critical Guilin Geely Stars Oil-Electric Hybrid Engine Co., Ltd.
Priority to CN2008801241667A priority Critical patent/CN101909912B/zh
Priority to PCT/CN2008/000056 priority patent/WO2009086700A1/fr
Publication of WO2009086700A1 publication Critical patent/WO2009086700A1/fr

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Classifications

    • 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
    • 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
    • B60K6/44—Series-parallel type
    • B60K6/448—Electrical distribution 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
    • 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
    • B60W30/14—Adaptive cruise control
    • B60W30/143—Speed control
    • 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
    • B60K6/22—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 apparatus, components or means specially adapted for HEVs
    • B60K6/26—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 apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
    • B60K2006/262—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 apparatus, components or means specially adapted for HEVs characterised by the motors or the generators the motor or generator are used as clutch, e.g. between engine and driveshaft
    • 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
    • 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

Definitions

  • the present invention relates to a speed cruise control device in the field of vehicle speed control, and in particular to a speed patrol control device for a hybrid electric vehicle using a double motor.
  • the invention also relates to a cruise control method for the speed cruise control device.
  • the cruise control system In order to make the car have better driving comfort, people set the cruise function in the car control strategy.
  • the cruise control system When driving on the highway for a long time, after the automatic control switch of the cruise control system is turned on, the cruise control system will automatically increase or decrease the throttle opening according to the driving resistance, so that the driving speed of the vehicle is kept constant. This prevents the driver from frequently stepping on the accelerator pedal while keeping the car at a pre-set speed.
  • the car automatically travels at a constant speed under certain conditions, greatly reducing the driver's driving fatigue. Since the cruise control system can automatically maintain a certain speed, unnecessary man-made changes in the accelerator pedal are avoided, thereby improving the fuel economy of the vehicle and the emission of the engine.
  • the conventional cruise control system consists of sensors, operating switches, actuators, and cruise control ECUs.
  • the sensors and switches feed the signals to the cruise control ECU, which calculates the opening of the throttle based on these signals and signals the actuator to automatically adjust the throttle opening.
  • the sensor includes a vehicle speed sensor, a throttle position sensor, and a throttle control rocker sensor for measuring the vehicle speed, the throttle position, and the throttle control rocker position.
  • the operation switch is mainly operated by the driver for setting the cruising speed or resetting it to another vehicle speed, and canceling the cruise control.
  • the cruise control BCU consists of a processor chip, A/D, D/A conversion I C and output reset drive and protection circuits.
  • the ECU receives signals from various sensors (such as the vehicle speed sensor) and various switches and processes them according to a pre-stored program. When the vehicle speed deviates from the set cruise speed, the actuator is given an electric signal to control the action of the actuator so that the actual vehicle speed is consistent with the set vehicle speed.
  • the actuator converts the current or voltage signal output by the ECU into mechanical motion, and Control the opening of the throttle valve and finally achieve the purpose of controlling the speed of the vehicle.
  • actuators There are two types of actuators currently in use, one is vacuum driven and the other is motor driven. The former is operated by a negative pressure throttle, and the latter is operated by a micromotor.
  • the existing cruise control scheme uses a mechanical actuator to adjust the engine speed by changing the throttle opening to achieve the cruise function. Due to the mechanical delay of the mechanical actuator and the natural delay of the engine response, the existing cruise control has applications in the application. There are many limitations. For example, when the road surface condition is poor, the wind speed changes greatly, and the set cruise speed is too different from the actual vehicle speed, the cruise function often cannot or cannot improve the fuel economy of the vehicle.
  • the speed patrol control device and method for the hybrid electric vehicle of the present invention utilizes the servo characteristics of the servo motor to quickly respond, and overcomes the slow response speed, low speed precision and improved fuel economy in the conventional scheme. Limited shortcomings, and low cost, easy to promote. Summary of the invention
  • the object of the present invention is to design a speed cruise control device for a hybrid electric electric vehicle.
  • the device Under the control of the corresponding control method, the device has the following functions: 1 enables the vehicle to run smoothly at the set speed even under load resistance High-precision speed cruising can still be achieved when the change is severe; 2 Even when the load resistance changes drastically, the engine running state is kept stable, so that the engine always works on the optimal economic running curve to achieve better fuel economy performance; A wider range of cruising speed adjustment and faster adjustment responsiveness; 4 smooth cruise control, simple operation, and good driving performance.
  • the speed cruise control device of the hybrid electric vehicle designed by the present invention comprises an engine, an engine control unit, an engine economy operation control unit, a first motor and a second motor, and a first servo driver for controlling the first motor and the second motor, respectively. And a second servo drive, an energy storage unit, a DC bus, and a bus voltage detection and PID control unit.
  • the first motor is composed of a first rotor and a second rotor.
  • the first rotor is directly connected to the engine output shaft, and the first rotor is mounted with a permanent magnet magnetic pole for establishing a magnetic field of the motor, and the first rotor shaft is mounted with the first rotor.
  • a speed/position sensor a motor winding is mounted on the second rotor of the first motor, the winding is electrically connected to the first servo driver through a coaxially mounted slip ring, and the second rotor output shaft is connected through the output gear To the differential;
  • the second motor stator is mounted on a fixed base, on which is an armature winding, the rotor of the second motor is a third rotor of the device, and the third rotor is mounted with a permanent magnetic pole for establishing a magnetic field of the motor .
  • the third rotor shaft is coaxial with the second rotor, and a second speed/position sensor is mounted on the third rotor shaft.
  • the engine economy operation control unit controls the first servo drive and the first motor to apply a load to the engine according to the requirement of optimal economic operation, and the first motor simultaneously supplies the driving power to the hybrid vehicle together with the second motor.
  • the DC bus connects the energy storage unit, the first and second servo drivers, and the bus voltage detection and PID control unit, and the bus voltage detection and PID control unit is used to control the output torque of the second motor.
  • the cruise control device also includes a cruise control unit, wherein:
  • the cruise control unit When cruise control is performed on the vehicle speed, the cruise control unit directly controls the speed or torque of the second motor through the second servo driver according to the required vehicle speed to achieve cruise control at the required vehicle speed;
  • the energy required by the second motor or the output energy is replenished or absorbed by the energy storage unit through the DC bus in real time to achieve real-time energy demand in the cruise control.
  • the speed cruise control device further includes a main control unit.
  • the main control unit slowly controls the operating point change of the engine through the engine control unit according to the charging power demand signal of the energy storage unit and the driving power demand signal obtained according to the vehicle condition. Thereby the energy requirements of the cruise control are met for a longer period of time.
  • the main control unit maintains a gentle change in engine operating conditions.
  • the speed cruise control device further includes a main control unit, and the main control unit determines whether to perform cruise control according to an external operation; when performing cruise control, the main control unit sends a vehicle speed setting to the cruise control unit according to the external cruise control command, and the busbar is suspended at the same time.
  • the voltage monitoring and PID control unit controls the torque setting of the second servo drive
  • the cruise control unit controls the torque setting of the second servo drive.
  • the main control unit suspends the operation of the cruise control unit according to the external cancel cruise control command, and the bus voltage monitoring and the P I D control unit control the torque setting of the second servo drive.
  • the first motor may also adopt the following structure: a motor winding is mounted on the first rotor, and the winding is electrically connected to the first servo driver through a coaxially mounted slip ring.
  • a first speed/position sensor is mounted on the first rotor shaft; a permanent magnet pole for establishing a magnetic field of the motor is mounted on the second rotor of the first motor.
  • the first servo driver receives a torque setting signal from the engine economy running main control unit and first and second rotor relative position signals from the first motor detected by the first and second speed/position sensors, and then in a torque servo manner Controlling a current vector of the first motor armature winding to implement torque application to the first rotor and applying load torque to the engine through the first rotor; the second servo drive receives a torque setting signal transmitted from the main control unit, according to The third rotor position signal of the second motor detected by the second speed/position sensor drives the third rotor of the second motor to output torque to the outside.
  • the computer unit in the engine economic operation main control unit stores the optimal economic running curve of the engine, and determines the torque setting value sent to the first servo driver based on the engine speed signal sent from the first speed/position sensor.
  • the DC bus and energy storage unit are connected to the first and second servo drives and the bus voltage monitoring and P I D control unit, and are mainly used for storing excess electric energy or transferring stored electric energy to the bus when necessary.
  • the bus voltage monitoring and P I D control unit determines the magnitude of the second servo drive torque setting value in the non-cruising state according to the monitoring result of the bus voltage, and transmits the torque to the second servo driver through the main control unit, and then controls the second motor output torque.
  • the cruise control unit determines the magnitude of the torque setting value of the second servo driver according to the vehicle speed setting signal from the main control unit and the vehicle speed signal detected by the second speed/position sensor, and transmits the torque setting value to the second servo driver through the main control unit, and then Control the output torque of the second motor to realize the closed-loop control of the vehicle speed, that is, the cruise control.
  • the engine control unit receives control signals from the main control unit to control engine rotation to meet energy requirements such as vehicle operation, power generation and energy storage.
  • the main control unit controls the entire vehicle according to the driver's operation.
  • the cruise control command is specifically accepted
  • the vehicle speed setting is sent to the cruise control unit
  • the cruise control unit and the bus voltage monitoring and PID are accepted.
  • the second servo driver torque setting signal sent by the control unit respectively selects cruise control or non-cruise control.
  • the main control unit controls the operating point of the engine through the engine control unit according to the charging power demand signal sent by the energy storage unit and the driving power demand signal obtained according to the vehicle condition.
  • FIG. 1 is a block diagram showing the construction of a speed cruise control apparatus for a hybrid electric vehicle according to the present invention.
  • FIG. 1 A schematic structural view of an embodiment of a speed cruise control device for a hybrid electric vehicle according to the present invention is shown in FIG.
  • the engine 2 is controlled by the engine control unit 1.
  • the first motor may be a two-rotor permanent magnet synchronous motor having a first rotor 5 mounted on the output shaft of the engine 2 and a second rotor 4 mounted on the output shaft for connection to the differential 18 via the output gear train 1Q.
  • the armature winding on the second rotor is connected to the first servo drive 9 via a coaxially mounted slip ring 7.
  • the second motor may be a permanent magnet synchronous motor, and the rotor thereof is the third rotor of the present invention 12.
  • the third rotor 12 is mounted coaxially with the second rotor 4, and the stator 11 of the second motor is mounted on a fixed casing.
  • a first speed/position sensor 3 is mounted on the output shaft of the engine 2 for measuring the engine speed and the first rotor position.
  • a second speed/position sensor 17 is mounted on the common shaft of the second rotor 4 and the third rotor 12, for measuring the output shaft speed (since the speed ratio is fixed, from which the speed can be obtained) and the second rotor 4 and The position of the third rotor 12.
  • the apparatus further includes a first servo driver 9 and a second servo driver 15, which receive torque setting signals from the engine economy operation control unit 6 to respectively control the torques of the first and second motors; and receive from the main control unit 8 The control signal controls the operation of the first and second motor systems.
  • the apparatus further includes a bus voltage monitoring and PID control unit 14, which is connected to the first servo driver 9, the second servo driver 15, the DC bus, and the energy storage unit 13 via a DC bus.
  • the bus voltage monitoring and P ID control unit 14 sends the torque setting value of the second motor system in the non-cruising state to the main control unit 8, and is controlled by the main control unit 8.
  • the DC bus and the energy storage unit 13 can be used to store energy from the DC bus in addition to the internal battery management system, and can also be used to transfer energy from the internal battery to the DC bus according to the DC bus voltage.
  • the charging power demand is presented to the main control unit 8 according to the state of the internal battery management system, so that the operating point of the engine 2 can be changed by the main control unit 8.
  • the device further includes a cruise control unit 16 that receives the vehicle speed signal sent by the second speed/position sensor 17 and the vehicle speed setting signal sent from the main control unit 8, performs PID calculation, and sends the second motor to the main control unit 8.
  • the torque setting of the system realizes the closed-loop control of the vehicle speed, that is, the cruise control, by the main control unit 8, the second servo driver 15, and the second motor.
  • the speed cruise control device of the hybrid electric vehicle according to the present invention can be controlled by the following exemplary control method.
  • the main control unit 8 synthesizes the signal of the driver pressing the accelerator pedal and the charging power demand signal sent by the DC bus and the energy storage unit 13, and controls the operation of the engine 2 through the engine control unit 1. And using the bus voltage monitoring and PID control unit 14 to control the torque setting of the second servo driver 15 by the change of the bus voltage to meet the overall balance of power demand and supply. At the same time, the main control unit 8 outputs the output to the first according to the angle of the accelerator pedal. The torque setting signal size of the two servo drives 1 5 is corrected in real time to meet the requirements of the acceleration dynamic characteristics.
  • the main control unit 8 When the driver operates, for example, the cruise control switch to select the cruise control, the main control unit 8 accepts the external cruise control command and transmits the corresponding vehicle speed setting to the cruise control unit 16 in accordance with the cruise control command. At the same time, the main control unit 8 cuts off the channel set by the bus voltage monitoring and the P I D control unit 14 to control the torque setting of the second servo driver 15 , and then the cruise control unit 16 controls the torque setting of the second servo driver 15 .
  • the cruise control unit 16 utilizes the vehicle speed signal from the main control unit 8 and the vehicle speed signal detected by the second speed/position sensor 17 by controlling the torque setting of the second servo driver 15.
  • the second motor performs speed closed-loop control to achieve vehicle speed cruise control. For example, when the speed of the vehicle changes according to the requirements of the cruise speed setting, or when the load conditions such as the road surface and wind speed of the vehicle change, there may be a deviation between the vehicle speed and the cruise setting speed.
  • the cruise control unit 1 6 eliminates this deviation based on the deviation and pre-stored control strategy (eg P I D control) to control the torque of the second motor system, thereby ensuring the accuracy of the cruise.
  • the energy consumed or recovered by the second motor system for cruise control is replenished or absorbed by the DC bus and the energy storage unit 13 in real time. This avoids the inaccurate adjustment of the lag and the speed of the vehicle during the adjustment of the slow lifting speed of the engine as in the conventional cruise control method, and realizes real-time and accurate speed control.
  • the main control unit 8 is also based on the DC bus and the energy storage unit.
  • the charging power demand signal sent and the driving power demand signal obtained according to the vehicle condition are controlled by the engine control unit 1 to control the operating point of the engine 2, thereby generally satisfying the energy demand of the cruise control.
  • the main control unit 8 causes the operating point of the engine 2 to slowly change along the optimum fuel economy curve. Even in the case of severe load changes, the main control unit 8 maintains a gentle change in engine operating conditions. As a result, emissions do not deteriorate due to sudden changes in the operating point.
  • the engine economy operation control unit 6 always controls the first servo drive 9 and thereby controls the first motor to apply a load to the engine 2 in accordance with the optimum economical operation.
  • the main control unit 8 also controls the start and stop of the engine 2 according to the power demand, the DC bus and the energy storage state of the energy storage unit 13 to obtain economical fuel efficiency.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Hybrid Electric Vehicles (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)

Abstract

L'invention concerne un régulateur de vitesse de véhicule hybride et un procédé associé. Le véhicule hybride comprend un moteur, une unité de commande du moteur, une unité de commande de fonctionnement économique du moteur, un premier moteur et un second moteur, une première servocommande et une seconde servocommande qui commandent le premier moteur et le second moteur respectivement, une unité de stockage de l'énergie, un bus CC et une unité de commande PID et de détection de tension de bus. Le régulateur de vitesse comprend une unité de régulation de vitesse capable de commander le couple ou la vitesse de rotation du second moteur au moyen de la seconde servocommande selon la vitesse de véhicule requise, pour obtenir une régulation de vitesse sous la vitesse requise. Lorsque les conditions ou charges prédéterminées sont modifiées brusquement, l'énergie requise ou émise par le second moteur peut être augmentée ou absorbée en temps réel par l'unité d'énergie via le bus CC. pour obtenir une régulation de vitesse en temps réel.
PCT/CN2008/000056 2008-01-08 2008-01-08 Régulateur de vitesse d'un véhicule hybride et procédé associé WO2009086700A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2008801241667A CN101909912B (zh) 2008-01-08 2008-01-08 一种油电混合动力电动车的速度巡航控制装置和方法
PCT/CN2008/000056 WO2009086700A1 (fr) 2008-01-08 2008-01-08 Régulateur de vitesse d'un véhicule hybride et procédé associé

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2008/000056 WO2009086700A1 (fr) 2008-01-08 2008-01-08 Régulateur de vitesse d'un véhicule hybride et procédé associé

Publications (1)

Publication Number Publication Date
WO2009086700A1 true WO2009086700A1 (fr) 2009-07-16

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PCT/CN2008/000056 WO2009086700A1 (fr) 2008-01-08 2008-01-08 Régulateur de vitesse d'un véhicule hybride et procédé associé

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CN (1) CN101909912B (fr)
WO (1) WO2009086700A1 (fr)

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CN102508484A (zh) * 2011-11-02 2012-06-20 深圳市合信自动化技术有限公司 一种伺服驱动器老化测试方法及系统
US20210199539A1 (en) * 2018-09-28 2021-07-01 Kokusai Keisokuki Kabushiki Kaisha Test device

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CN104276176B (zh) 2014-01-30 2015-09-02 比亚迪股份有限公司 车辆及车辆的巡航控制方法
US9568066B2 (en) 2014-09-10 2017-02-14 Byd Company Limited Power transmission system and vehicle comprising the same
WO2016037470A1 (fr) 2014-09-10 2016-03-17 Byd Company Limited Système de transmission de puissance et véhicule le comprenant
EP2995489B1 (fr) 2014-09-10 2020-01-22 BYD Company Limited Unité de transmission, système de transmission de puissance et véhicule le comprenant
CN104608760B (zh) 2014-10-20 2016-05-25 比亚迪股份有限公司 混合动力汽车及其换挡控制方法、动力传动系统
CN106240361A (zh) * 2016-10-04 2016-12-21 长沙悠力传动有限公司 一种采用手动脉冲发生器控制车速的车辆及控制方法
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