CN108674168A - ISG gently mixes hybrid power system and its power-control method - Google Patents
ISG gently mixes hybrid power system and its power-control method Download PDFInfo
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- CN108674168A CN108674168A CN201810709615.XA CN201810709615A CN108674168A CN 108674168 A CN108674168 A CN 108674168A CN 201810709615 A CN201810709615 A CN 201810709615A CN 108674168 A CN108674168 A CN 108674168A
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- 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
-
- 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
- B60R16/023—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 for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- 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
Abstract
The invention discloses a kind of ISG gently to mix hybrid power system and its power-control method, including：First accumulator, DC/DC converters, the second accumulator, Engine ECU, engine, ISG motors, ISG electric machine controllers, the entire car controller increased income, load simulation motor, load simulation electric machine controller, bi-directional power AFE, AC380V, first accumulator is that ISG electric machine controllers and ISG motors are powered, and ISG electric machine controllers control the operating status of ISG motors；The operating status of engine ECU controls engine；Bi-directional power AFE is used to power for load simulation electric machine controller and load simulation motor；The power output axis connection that the output shaft of ISG motors passes through transmission device and engine so that ISG motors can drive power output shaft to rotate；Power output shaft inputs axis connection with load simulation motor, to drive load simulation motor to rotate.The configuration of the present invention is simple, it is little to the change of former automobile chassis, it is easier to realize on existing automobile.
Description
Technical field
The present invention relates to a kind of hybrid power system for automobile, gently mixed more particularly to a kind of ISG hybrid power system and its
Power-control method.
Background technology
It is gradually expanded with the influence power of energy-saving and emission-reduction, hybrid vehicle is more and more welcomed by the people.At present
Hybrid vehicle be mainly oil electricity mixing, you can to carry out electric drive, can also carry out engine combustion gasoline and be driven
It is dynamic.There are many this mode advantage, especially in energy-saving and emission-reduction.
But current hybrid vehicle, there are power recovery poor performance, dynamical system switches the problems such as dumb, and
And also it is few can simulate hybrid power driving system and method.
Therefore, applicant proposes that a kind of ISG gently mixes hybrid power system and its power-control method, being capable of simulated automotive
The real scene of driving, and have the feature that power recovery function is strong, powershift is sensitiveer.
Invention content
In view of the drawbacks described above of the prior art, technical problem to be solved by the invention is to provide a kind of ISG gently to drift along or through
Close dynamical system and its power-control method.
To achieve the above object, the present invention provides a kind of ISG gently to mix hybrid power system, including：
First accumulator provides the voltage of 48V；
DC/DC converters, the voltage for the electric energy of the first accumulator to be converted into be used by the second accumulator；
Second accumulator, the electric energy for providing 12V, to power for Engine ECU；
Engine ECU, the working condition for controlling engine；
Engine, for burning fuel with output kinetic energy；
ISG motors can carry out the switching of two states of motor and generator；
ISG electric machine controllers, the working condition for controlling ISG motors；
The entire car controller increased income, the operating status for controlling automobile, each operating mode of simulated automotive during actual travel,
Engine, ISG motors, the torque of load simulation motor and rotary speed data information are collected by CAN bus, according to design parameter,
Select control strategy；It passes through the entire car controller simulated automotive operating status increased income；Can be using the whole of dSPACE technologies
Vehicle controller.
Load simulation motor is used for the operating status of simulated automotive；
Load simulation electric machine controller, the working condition for controlling load simulation motor；
Bi-directional power AFE, the electric energy feedback that load simulation motor is generated are load mould to 380V power grids, or by 380V power grids
Quasi- motor power supply；
AC380V is 380V alternating-current power supplies；
First accumulator is that ISG electric machine controllers and ISG motors are powered, and ISG motors are communicated with ISG electric machine controllers
Connection so that ISG electric machine controllers can control the operating status of ISG motors；
The Engine ECU is communicated to connect with engine, to control the operating status of engine；
The bi-directional power AFE is used to power for load simulation electric machine controller and load simulation motor；
The power output axis connection that the output shaft of the ISG motors passes through transmission device and engine so that ISG motors can
Drive power output shaft rotation；
Power output shaft inputs axis connection with load simulation motor, to drive load simulation motor to rotate.
Preferably, the output shaft of the ISG motors inputs axis connection transmission by belt and belt reducer, and belt subtracts
Fast device assembles the output shaft of ISG motors and power output shaft so that the output shaft of ISG motors can be mutual with power output shaft
Driving；
The output shaft of the belt speed reducer inputs axis connection with load simulation motor so that the output shaft of belt speed reducer with
Load simulation motor input shaft can mutually drive；
Third torque/tachometer of measuring is installed on the output shaft of the ISG motors, is installed on the power output shaft of engine
There is the first torque/tachometer of measuring, the second torque/tachometer of measuring is installed on the input shaft of load simulation motor.
Preferably, first torque/tachometer of measuring is used to detect the torsion and rotating speed of power output shaft；
Second torque/tachometer of measuring is used to detect the torsion and rotating speed of load simulation motor input shaft；
Third torque/the tachometer of measuring is used to detect the torsion and rotating speed of ISG motor output shafts.
Preferably, Engine ECU, ISG electric machine controllers, load simulation electric machine controller, the first torque/tachometric survey
Instrument, the second torque/tachometer of measuring, third torque/tachometer of measuring are logical by CAN bus and the entire car controller increased income respectively
Letter connection, and the entire car controller increased income is turned round by the first torque/tachometer of measuring, the second torque/tachometer of measuring, third
The data of square/tachometer of measuring detection are compared with pre-set programs, are selected to Engine ECU, ISG electric machine controllers, load simulation
The control instruction that electric machine controller is sent to control the working condition of engine, ISG motors, load simulation motor respectively.
Preferably, further include that emission test equipment is used to detect motor exhaust ingredient.
A kind of power-control method gently being mixed hybrid power system based on above-mentioned ISG, is included the following steps：
When S1, engine start, engine is accelerated to idling speed by ISG motors by static in a short time as motor,
Then engine starts in-cylinder combustion process, and start running cycle；
S2, after engine start, when automobile enters high-performance cruise, high engine speeds operating, engine efficiency is higher, by starting
Load is operated alone in machine；
S3, when the power surplus that load is smaller and engine provides, when engine braking or accumulator SOC value deficiency,
ISG motors are converted to Generator Status, a part of power of engine are used for charging a battery, if but accumulator at this time
When SOC value is equal to or more than its limit value, ISG motors stop charging to accumulator；
S4, when engine loading is larger, enable ISG motors switch to electric motor mode, with the second accumulator provide electric energy, it is defeated
Go out a part of auxiliary torque and engine and drives load jointly；
S5, it runs at a low speed when automobile, when loading very little, in the state of accumulator SOC value abundance, closes engine by ISG motors
Load is operated alone.
The beneficial effects of the invention are as follows：
1, the configuration of the present invention is simple, it is little to the change of former automobile chassis, it is easier to realize on existing automobile.
2, system of the invention composition is simple, the not no complicated planetary gear of power splitting mechanism.
3, the present invention is at low cost, and battery system is simple, and power electronic device is few.
4, present system mixability is high, and technical advantage is apparent, is widely used.
5, system of the invention can carry out the Work condition analogue of automobile, that is, simulated automotive in the process of moving various
Operating mode.
6, method of the invention can control ISG motors between generator and motor not according to operating mode needs
Same pattern switching studies handoff procedure and switchover policy.
7, system of the invention can be tested and be demarcated to engine, can be according to requiring to carry out the various examinations of engine
It tests.
8, system of the invention can be tested and be demarcated to motor, and the correlation test and calibration that can meet motor are wanted
It asks.
9, system of the invention can be tested and be demarcated to accumulator, can meet experiment and the calibration request of battery.
10, system of the invention can test controller prototype, disclosure satisfy that electric machine controller, Engine ECU
Correlation test requirement.
11, system of the invention can carry out the experiment of vehicle, can be with simulated automotive operating mode on the basis of, complete to vehicle
The test function of performance.
12, emission test equipment of the invention can be tested and demarcated to engine emission performance, can be met and be started
The emission performance of machine is test and the requirement of calibration.
13, engine retard or the kinetic energy of braking can be converted into electric energy by ISG motors of the invention, to improve energy
The rate of recovery of power reduces energy consumption with this；
14, ISG motors of the invention can replace traditional generator and starter motor so that the arrangement of engine and attachment is more square
Just flexibly.
Description of the drawings
Fig. 1 is the structural schematic diagram that ISG gently mixes hybrid power system.
Fig. 2 is that the power that ISG is gently mixed when hybrid power system starts selects schematic diagram.
Fig. 3 is that ISG gently mixes hybrid power system after engine start, and power selection when automobile enters high-performance cruise is shown
It is intended to.
Fig. 4 is that ISG gently mixes power selection of the hybrid power system when the power surplus that load is smaller and engine provides
Schematic diagram.
Fig. 5 is that ISG gently mixes power selection schematic diagram of the hybrid power system when loading larger.
Fig. 6 is that gently power of the mixed hybrid power system when automobile is run at a low speed, and loads very little selects schematic diagram to ISG.
Specific implementation mode
The invention will be further described with reference to the accompanying drawings and examples：
Referring to Fig. 1, a kind of ISG gently mixes hybrid power system, including：
First accumulator provides the voltage of 48V；
DC/DC converters, the voltage for the electric energy of the first accumulator to be converted into be used by the second accumulator；
Second accumulator, the electric energy for providing 12V, to power for Engine ECU；
Engine ECU, the working condition for controlling engine, such as start, stop, adjustment output power；
Engine, for burning fuel with output kinetic energy；
ISG motors can carry out the switching of two states of motor and generator；
ISG electric machine controllers, the working condition for controlling ISG motors, such as generated electricity, power consumption offer kinetic energy；
The entire car controller increased income, the operating status for controlling automobile, such as fit system, the automobile of engine and ISG motors
Power source selection etc.；It can simulate each operating mode of control automobile during actual travel, be started by CAN bus collection
The data informations such as machine, ISG motors, the torque of load simulation motor and rotating speed select control strategy according to design parameter；
Load simulation motor is used for the operating status of simulated automotive, such as the small torque of low-speed big, high speed, low speed low torque,
Existing motor load simulator may be used；
Load simulation electric machine controller, the working condition for controlling load simulation motor；
Bi-directional power AFE, the electric energy feedback that load simulation motor is generated are load mould to 380V power grids, or by 380V power grids
Quasi- motor power supply；
AC380V is 380V alternating-current power supplies, can be the utility grid of 380V；
First accumulator is that ISG electric machine controllers and ISG motors are powered, and ISG motors are communicated with ISG electric machine controllers
Connection so that ISG electric machine controllers can control the operating status of ISG motors；
The Engine ECU is communicated to connect with engine, to control the operating status of engine；
The bi-directional power AFE is used to power for load simulation electric machine controller and load simulation motor；
The power output axis connection that the output shaft of the ISG motors passes through transmission device and engine so that ISG motors can
Drive power output shaft rotation.Preferably, the output shaft of the ISG motors inputs axis connection by belt and belt reducer
Transmission, belt reducer assemble the output shaft of ISG motors and power output shaft so that the output shaft of ISG motors can with it is dynamic
Power output shaft mutually drives；
The output shaft of the belt speed reducer inputs axis connection with load simulation motor so that the output shaft of belt speed reducer with
Load simulation motor input shaft can mutually drive；
Third torque/tachometer of measuring is installed on the output shaft of the ISG motors, is installed on the power output shaft of engine
There is the first torque/tachometer of measuring, the second torque/tachometer of measuring is installed on the input shaft of load simulation motor；
Third torque/the tachometer of measuring, the second torque/tachometer of measuring, the first torque/tachometer of measuring are used to examine
Torque and rotating speed are surveyed, can reverse measuring instrument or respectively by detection torsion（Torque force testing instrument）And rotating speed（Tachometer of measuring）'s
Device is composed；
First torque/tachometer of measuring is used to detect the torsion and rotating speed of power output shaft；
Second torque/tachometer of measuring is used to detect the torsion and rotating speed of load simulation motor input shaft；
Third torque/the tachometer of measuring is used to detect the torsion and rotating speed of ISG motor output shafts；
The Engine ECU, ISG electric machine controllers, load simulation electric machine controller, the first torque/tachometer of measuring, second
Torque/tachometer of measuring, third torque/tachometer of measuring are communicated to connect by CAN bus and the entire car controller increased income respectively,
And the entire car controller increased income can pass through the first torque/tachometer of measuring, the second torque/tachometer of measuring, third torque/rotating speed
The data of measuring instrument detection are compared with pre-set programs, and selection controls Engine ECU, ISG electric machine controllers, load simulation motor
The control instruction that device is sent to control the working condition of engine, ISG motors, load simulation motor respectively.
Specifically, information of the entire car controller real-time collecting from sensor increased income, engine is controlled by CAN bus
Output power so that engine is accurately operated according to setting operating mode, achievees the effect that accurately control.
The entire car controller increased income collects ISG motor speeds and torque information by CAN bus, according to control program（In advance
If program）, the torque output and rotating speed output of control ISG motors, and can control ISG motors generator and motor it
Between state conversion, accurately control pattern switching.
The entire car controller increased income collects Engine ECU information by CAN bus, and according to the data information of collection, to
Engine ECU sends out instruction, the control of complete coupled engines.
The entire car controller increased income collects the rotating speed output information of load simulation motor by CAN bus, torque output is believed
Breath sends to load simulation motor and instructs, and the variation of control load motor rotating speed output and torque output is completed to load motor
Control, achieve the effect that simulate actual loading.
Further include emission test equipment, is used to detect motor exhaust ingredient, the unburned gas mainly in tail gas
Body, to measure the emission performance of engine.It can be automobile emission gas analyzer instrument.
A kind of power-control method gently being mixed hybrid power system based on above-mentioned ISG, is included the following steps：
The efficiency of engine is relatively low in low speed, and torque output is smaller, and efficiency is higher in middle high load capacity, load big timeliness again
Rate can decline again.In order to make engine be operated in high efficiency region as much as possible, according to ISG motor characteristic features, formulate control as follows
Strategy：
S1, referring to Fig. 2, when starting, ISG motors are in a short time turned engine by the static idling that accelerates to as motor
Speed, then engine start in-cylinder combustion process, start running cycle.
S2, referring to Fig. 3, after engine start, when automobile enters high-performance cruise, high engine speeds operating, engine effect
Rate is higher, and load is operated alone by engine；
S3, referring to Fig. 4, when the power surplus that load is smaller and engine provides, engine braking or accumulator SOC value
（Remaining capacity）When insufficient, ISG motors are converted to Generator Status, and a part of power of engine is used for accumulator（The
One accumulator and the second accumulator）Charging.But when if accumulator SOC value is equal to or more than its limit value at this time, stored to extend
The service life of battery, ISG motors stop charging to accumulator；
S4, ISG motors are enabled to switch to electric motor mode, according to second when load is larger, for example climbs, accelerates referring to Fig. 5
The electric energy that accumulator provides, exports a part of auxiliary torque and engine and drives load jointly；
S5, referring to Fig. 6, when automobile is run at a low speed, and loads very little, in the state of accumulator SOC value abundance, engine is imitated at this time
Rate is very low, and fuel economy is poor, can close engine and load is operated alone by ISG motors.
Place is not described in detail by the present invention, is the known technology of those skilled in the art.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be in the protection domain being defined in the patent claims.
Claims (6)
1. a kind of ISG gently mixes hybrid power system, which is characterized in that including：
First accumulator provides the voltage of 48V；
DC/DC converters, the voltage for the electric energy of the first accumulator to be converted into be used by the second accumulator；
Second accumulator, the electric energy for providing 12V, to power for Engine ECU；
Engine ECU, the working condition for controlling engine；
Engine, for burning fuel with output kinetic energy；
ISG motors can carry out the switching of two states of motor and generator；
ISG electric machine controllers, the working condition for controlling ISG motors；
Based on the entire car controller increased income, the operating status for controlling automobile, simulated automotive is each during actual travel
Operating mode collects engine, ISG motors, the torque of load simulation motor and rotary speed data information, according to design by CAN bus
Parameter selects control strategy；
Load simulation motor is used for the operating status of simulated automotive；
Load simulation electric machine controller, the working condition for controlling load simulation motor；
Bi-directional power AFE, the electric energy feedback that load simulation motor is generated are load mould to 380V power grids, or by 380V power grids
Quasi- motor power supply；
AC380V is 380V alternating-current power supplies；
First accumulator is that ISG electric machine controllers and ISG motors are powered, and ISG motors connect with ISG electric machine controllers
It connects so that ISG electric machine controllers can control the operating status of ISG motors；
The Engine ECU is connect with engine, to control the operating status of engine；
The bi-directional power AFE is used to power for load simulation electric machine controller and load simulation motor；
The power output axis connection that the output shaft of the ISG motors passes through transmission device and engine so that ISG motors can
Drive power output shaft rotation；
Power output shaft inputs axis connection with load simulation motor, to drive load simulation motor to rotate.
2. ISG as described in claim 1 gently mixes hybrid power system, which is characterized in that the output shaft of the ISG motors is logical
Belt and belt reducer input axis connection transmission are crossed, belt reducer assembles the output shaft of ISG motors and power output shaft,
The output shaft of ISG motors is mutually driven with power output shaft；
The output shaft of the belt speed reducer inputs axis connection with load simulation motor so that the output shaft of belt speed reducer with
Load simulation motor input shaft can mutually drive；
Third torque/tachometer of measuring is installed on the output shaft of the ISG motors, is installed on the power output shaft of engine
There is the first torque/tachometer of measuring, the second torque/tachometer of measuring is installed on the input shaft of load simulation motor.
3. ISG as claimed in claim 2 gently mixes hybrid power system, which is characterized in that first torque/tachometric survey
Instrument is used to detect the torsion and rotating speed of power output shaft；
Second torque/tachometer of measuring is used to detect the torsion and rotating speed of load simulation motor input shaft；
Third torque/the tachometer of measuring is used to detect the torsion and rotating speed of ISG motor output shafts.
4. ISG as described in any one of claims 1-3 gently mixes hybrid power system, which is characterized in that Engine ECU, ISG motors
Controller, load simulation electric machine controller, the first torque/tachometer of measuring, the second torque/tachometer of measuring, third torque/turn
Fast measuring instrument is communicated to connect by CAN bus and the entire car controller increased income respectively, and the entire car controller increased income is by first
The data and pre-set programs ratio of torque/tachometer of measuring, the second torque/tachometer of measuring, third torque/tachometer of measuring detection
It is right, select to Engine ECU, ISG electric machine controllers, load simulation electric machine controller send control instruction to control hair respectively
The working condition of motivation, ISG motors, load simulation motor.
5. the ISG as described in claim 4 is any gently mixes hybrid power system, which is characterized in that further include that emission test is set
It is standby, it is used to detect motor exhaust ingredient.
6. a kind of power-control method gently being mixed hybrid power system based on any ISG of claim 1-5, feature are existed
In including the following steps：
When S1, engine start, engine is accelerated to idling speed by ISG motors by static in a short time as motor,
Then engine starts in-cylinder combustion process, and start running cycle；
S2, after engine start, when automobile enters high-performance cruise, high engine speeds operating, engine efficiency is higher, by starting
Load is operated alone in machine；
S3, when the power surplus that load is smaller and engine provides, when engine braking or accumulator SOC value deficiency,
ISG motors are converted to Generator Status, a part of power of engine are used for charging a battery, if but accumulator at this time
When SOC value is equal to or more than its limit value, ISG motors stop charging to accumulator；
S4, when engine loading is larger, enable ISG motors switch to electric motor mode, with the second accumulator provide electric energy, it is defeated
Go out a part of auxiliary torque and engine and drives load jointly；
S5, it runs at a low speed when automobile, when loading very little, in the state of accumulator SOC value abundance, closes engine by ISG motors
Load is operated alone.
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