CN104442824B - Parallel type energy recycling and control method and system - Google Patents
Parallel type energy recycling and control method and system Download PDFInfo
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- CN104442824B CN104442824B CN201410662771.7A CN201410662771A CN104442824B CN 104442824 B CN104442824 B CN 104442824B CN 201410662771 A CN201410662771 A CN 201410662771A CN 104442824 B CN104442824 B CN 104442824B
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000004064 recycling Methods 0.000 title claims abstract description 12
- 238000011084 recovery Methods 0.000 claims abstract description 23
- 230000001172 regenerating effect Effects 0.000 claims abstract description 21
- 230000001133 acceleration Effects 0.000 claims abstract description 20
- 238000004458 analytical method Methods 0.000 claims description 51
- 239000000446 fuel Substances 0.000 claims description 17
- 238000004088 simulation Methods 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 8
- 238000012360 testing method Methods 0.000 claims description 7
- 238000004364 calculation method Methods 0.000 claims description 5
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008929 regeneration Effects 0.000 description 3
- 238000011069 regeneration method Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000009194 climbing Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Classifications
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- 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
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
-
- 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
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/06—Combustion engines, Gas turbines
-
- 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
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/06—Combustion engines, Gas turbines
- B60W2510/0638—Engine speed
-
- 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
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/06—Combustion engines, Gas turbines
- B60W2510/0657—Engine torque
-
- 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
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/08—Electric propulsion units
- B60W2510/083—Torque
-
- 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
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/08—Electric propulsion units
- B60W2510/085—Power
-
- 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
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/10—Change speed gearings
-
- 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
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/24—Energy storage means
- B60W2510/242—Energy storage means for electrical energy
-
- 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
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/24—Energy storage means
- B60W2510/242—Energy storage means for electrical energy
- B60W2510/244—Charge state
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/10—Change speed gearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/18—Braking system
Abstract
The invention belongs to electric vehicle energy recovery technology field, more particularly to a kind of parallel type energy recycling and control method, the method comprises the following steps：(A) operating mode request speed, acceleration are calculated；(B) judge whether acceleration is equal to zero, if being equal to zero, judge that vehicle is using pure electric drive or engine driving or combination drive according to request power and battery electric quantity；Otherwise enter step C, D；(C) judge whether vehicle needs gearshift；(D) if this brief acceleration is less than zero, Brake energy recovery flow is carried out.Also relate to a kind of parallel type energy recovery system.By provide effectively change energy regenerating method and provide energy control method, effectively to vehicle energy recovery process in various situations be balanced control, so as to meet the requirement of vehicle dynamic property and economy.
Description
Technical field
The invention belongs to electric vehicle energy recovery technology field, more particularly to a kind of parallel type energy recycling and control method and
System.
Background technology
It is related to parallel-type vehicle electrical storage energy regeneration brake system and energy regenerating Application way disclosed in existing patent, mainly
Including motor, super capacitor group and battery, harmonic drive structure, torque synthesizer, electronic control unit, harmonic wave tooth
Wheel reducing gear controller, electric machine controller and super capacitor controller.The vehicle of the energy regenerating Application way has two sets
Brakes：The brakes of existing vehicle and parallel electrical storage energy regeneration brake system, two sets of brakes are individually or simultaneously
Run on vehicle.Its main function is according to speed, system when vehicle is braked by parallel electrical storage energy regeneration brake system
Depth, storage battery energy value is moved to recover energy；Also vehicle can concurrently or separately be driven by engine and motor.It is by vehicle system
The mechanical energy dissipated during dynamic is converted to electric energy, and recycling, can save fuel oil, reduces discharge, reduces brake oil,
And improve braking safety and improve brakes service life.But this kind of parallel-type vehicle electrical storage energy is only to regenerative braking
Energy regenerating and utilization are carried out during system model, without effectively to pure electric drive, pure engine driving and combination drive, this three
The energy recuperation mode of the pattern of kind control effectively.
The content of the invention
Primary and foremost purpose of the invention is to provide a kind of parallel type energy recycling and control method, and the energy to Three models is returned
Take in the effective control of row.
To realize object above, the technical solution adopted by the present invention is：A kind of parallel type energy recycling and control method, including
Following steps：(A) operating mode request speed, acceleration are calculated；(B) judge whether acceleration is equal to zero, if being equal to zero, basis please
Power and battery electric quantity is asked to judge that vehicle is using pure electric drive or engine driving or combination drive；Otherwise enter step C,
D；(C) judge whether vehicle needs gearshift；(D) if this brief acceleration is less than zero, Brake energy recovery flow is carried out.
Compared with prior art, there is following technique effect in the present invention：By providing the method for effectively changing energy regenerating
With provide energy control method, effectively to vehicle energy recovery process in various situations be balanced control, it is whole so as to meet
The requirement of car dynamic property and economy.
It is another object of the present invention to provide a kind of parallel type energy recovery system, to the energy regenerating of Three models
Effectively controlled.
To realize object above, the technical solution adopted by the present invention is：A kind of parallel type energy recovery system, including battery
Analysis module, machine analysis module, engine analysis module, regenerative braking analysis module, braking force distribution module, power performance
Analysis module, performance analysis module and kinetic parameter matching module；Described battery analysis module according to cell voltage,
The initial SOC of battery capacity, energy, power, discharge rate, charge rate, battery, voltameter point counting separate out operating mode and imitate
True battery terminal voltage, inner resistance, charging and discharging currents, hundred kilometers of energy inputs of charge-discharge electric power characteristic curve and operating mode；Motor
Analysis module determines simulation process according to rated power, rated speed, nominal torque, maximum speed, operating efficiency atlas analysis
Motor speed characteristic, torque characteristics, charge-discharge electric power characteristic；Engine analysis module is according to rated power, rated speed, specified
Torque, maximum speed, the analysis of fuel consumption universal characteristic determine engine speed characteristic, torque characteristics, output in simulation process
Power characteristic, hundred kilometers of operating mode fuel consumption；Battery parameter that regenerative braking analysis module is exported according to battery analysis module,
The parameter of electric machine, gearratio analytical calculation operating mode simulation process battery pack rechargeable energy and recovery effect that machine analysis module is exported
Rate；Braking force distribution module calculates ideal braking force distribution curve and by determining the system that score is matched somebody with somebody according to the parameter of influence brake force
Power figure；Dynamic Property Analysis module is used to obtain tractive force-speed relation, dynamic factor-speed relation, maximum climbing
Degree-speed relation, acceleration time-speed relation；Performance analysis module is used to obtain constant speed fuel consumption per hundred kilometers-speed
Relation and operating mode emulation regenerative braking recover energy-time relationship；Kinetic parameter matching module is made a concrete analysis of according to above-mentioned parameter
The economy and dynamic property of the lower automobile of different parameters matching are calculated, wherein economy is represented with state of cyclic operation fuel consumption, with original
Ground pickup time represents dynamic property.
Compared with prior art, there is following technique effect in the present invention：Effectively change the device of energy regenerating by providing
With provide energy control apparatus, effectively to vehicle energy recovery process in various situations be balanced control, it is whole so as to meet
The requirement of car dynamic property and economy.
Brief description of the drawings
Fig. 1 is theory diagram of the invention；
Fig. 2 is braking energy control flow chart of the invention；
Fig. 3 is Three models energy hole flow chart of the invention；
Fig. 4 is the schematic diagram of the two-dimensional coordinate system in step C22.
Specific embodiment
With reference to Fig. 1 to Fig. 4, the present invention is described in further detail.
Refering to Fig. 2, Fig. 3, a kind of parallel type energy recycling and control method comprises the following steps：(A) operating mode request speed is calculated
Degree, acceleration；(B) judge whether acceleration is equal to zero, if being equal to zero, vehicle is judged according to request power and battery electric quantity
It is using pure electric drive or engine driving or combination drive；Otherwise enter step C, D；(C) judge whether vehicle needs gearshift；
(D) if this brief acceleration is less than zero, Brake energy recovery flow is carried out.Here, by acceleration, request power, battery electric quantity
It is acquired to ensure that vehicle is in suitable drive pattern etc. parameter, and judges that vehicle is according to car speed, gear information
It is no to need gearshift, in addition, completing the control of Brake energy recovery simultaneously.All of function is integrated, is conducive to energy
Management and utilization, control effectively is balanced to the various situations of vehicle, so as to meet the requirement of vehicle dynamic property and economy.
Preferably, in described step B, realize that judging vehicle according to request power and battery electric quantity is as follows
Using pure electric drive or engine driving or combination drive function：(B1) judge request power whether more than the pure electric drive work(of setting
Rate, if so, into step B2, otherwise into step B3；(B2) whether battery electric quantity is judged more than setting value, if it is, car
The pure electric drive of use, while calculating discharge power, discharge current, the battery electric quantity of battery；(B3) whether decision request power
In the power area of engine setting, if so, then vehicle uses engine driving, and calculate the rotating speed of engine, torque, fuel oil and disappear
Consumption rate, otherwise into step B4；(B4) whether battery electric quantity is judged more than arranges value, if so, then vehicle uses combination drive, and
By system optimal efficiency distribution of torque under current rotating speed, while calculating the electric discharge electricity of the output torque, power and battery of motor
The output speed of stream, discharge power, electricity and engine, output torque and fuel consumption；Otherwise, into step B5；
(B5) judge that power source can not meet duty requirements, engine exports current shape by maximum output torque output under current rotating speed
The speed and acceleration of state.According to this step, can cause that vehicle operation in the state of optimal, reduces oil consumption.
Preferably, in described step C, judge whether vehicle needs gearshift as follows：(C1) obtaining power train please
Ask torque, request rotating speed；(C2) calculating shifted gears judges；(C3) it is confirmed whether gearshift, if gearshift, is moved after calculating gearshift
The rotating speed in power source, torque；Also comprise the following steps after described step C3：(C4) by system optimal efficiency distribution under current rotating speed
Rotating speed；(C5) output torque of the torque of output motor and engine；(C6) output torque, power and the electricity of motor are calculated
The output speed of the discharge current in pond, discharge power, electricity and engine, output torque and fuel consumption..Further according to car
Current operational factor, judges whether vehicle needs gearshift, is worked with the self shifter for realizing vehicle.
Preferably, in described step D, Brake energy recovery flow comprises the following steps：(D1) judge that severity of braking is
It is no to be less than 0.7, if so, into step D2, otherwise into step D3；(D2) distributed than braking force distribution curve using front and back wheel is fixed
Brake force, and the energy regenerating situation of driving wheel is calculated, export the regenerating braking energy rate of recovery；(D3) friction catch is used, it is defeated
It is zero to go out engine, motor, battery status variable.By these steps, it is possible to achieve the recovery to vehicle braking energy.
As preferred scheme of the invention, for whether carrying out gearshift and can judge as follows, described step
In C2, comprise the following steps：(C21) with engine speed as abscissa, maximum engine torque be ordinate draw two dimension sit
Mark system, and engine test bench characteristic curve is drawn in a coordinate system；(C22) downshift engine load is calculated by following equation to distinguish
For 0 and 1 when critical speed point spd_dn1, spd_dn2 and upshift engine load be respectively 0 and 1 critical speed point
Spd_up1, spd_up2, and this four points are marked in two-dimensional coordinate system, as shown in Figure 4；
Spd_dn1=0.325*spd_max_En；
Spd_up1=0.625*spd_max_En；
Spd_dn2=spd_max_trq_En (spd_max_trq_En ＞ spd_max_En)
Or 0.45*spd_max_En；
Spd_up2=spd_max_pwr_En；
In formula, spd_max_En is maximum engine speed；Spd_max_trq_En is engine test bench characteristic torque capacity
Locate corresponding rotating speed；Spd_max_pwr_En is the corresponding rotating speed in engine test bench characteristic peak power place；(C23) engine is worked as
Rotary speed-torque operating point on the left of the straight line determined with spd_dn1 and spd_dn2 when, carry out downshift operation；When operating point exists
During with the right side of the straight line that spd_up1 and spd_up2 is determined, upshift operation is carried out.By the step judge draw whether gearshift
Result is more accurate, is conducive to the automatic replacing of gear.
Preferably, a kind of parallel type energy recovery system, including battery analysis are also disclosed refering to Fig. 1, in the present embodiment
Module, machine analysis module, engine analysis module, regenerative braking analysis module, braking force distribution module, dynamic Property Analysis
Module, performance analysis module and kinetic parameter matching module；Described battery analysis module is according to cell voltage, battery
The initial SOC of capacity, energy, power, discharge rate, charge rate, battery, voltameter point counting separate out operating mode emulation electricity
Pond terminal voltage, inner resistance, charging and discharging currents, hundred kilometers of energy inputs of charge-discharge electric power characteristic curve and operating mode；Machine analysis
Module determines simulation process motor according to rated power, rated speed, nominal torque, maximum speed, operating efficiency atlas analysis
Rotary speed property, torque characteristics, charge-discharge electric power characteristic；Engine analysis module according to rated power, rated speed, specified turn
Square, maximum speed, the analysis of fuel consumption universal characteristic determine engine speed characteristic, torque characteristics, output work in simulation process
Rate characteristic, hundred kilometers of operating mode fuel consumption；Battery parameter, electricity that regenerative braking analysis module is exported according to battery analysis module
The parameter of electric machine, gearratio analytical calculation operating mode simulation process battery pack rechargeable energy and organic efficiency that machine analysis module is exported；
Braking force distribution module calculates ideal braking force distribution curve and by determining the braking that score is matched somebody with somebody according to the parameter of influence brake force
Try hard to；Dynamic Property Analysis module be used for obtain tractive force-speed relation, dynamic factor-speed relation, max. climb slope-
Speed relation, acceleration time-speed relation；Performance analysis module is used to obtain constant speed fuel consumption per hundred kilometers-speed relation
Recovered energy-time relationship with operating mode emulation regenerative braking；Kinetic parameter matching module is made a concrete analysis of according to above-mentioned parameter and is calculated
The economy and dynamic property of the lower automobile of different parameters matching, wherein representing economy with state of cyclic operation fuel consumption, are risen with original place
The step acceleration time represents dynamic property.By the parallel type energy recovery system, foregoing each step is realized, to each of vehicle
Plant energy and be managed control, meet the requirement of vehicle dynamic property and economy.
Preferably, also including report output module, for providing images outputting, realization is carried out to the chart in result of calculation
Preserve, parameter values are exported and realize the preservation to calculating gained output result parameter and user's initial setting up parameter.Form is defeated
Go out the presence of module, not only contribute to the monitoring to each parameter of vehicle, moreover it is possible to when vehicle breaks down, be conducive to detecting failure
Particular location, and can for vehicle testing provide data for improve.
Claims (6)
1. a kind of parallel type energy recycling and control method, comprises the following steps：
A, calculating operating mode request speed, acceleration；
B, judge acceleration whether be equal to zero, if be equal to zero, according to request power and battery electric quantity come judge vehicle be use
Pure electric drive or engine driving or combination drive；Otherwise enter step C, D；
C, judge vehicle whether need gearshift；
If D, this brief acceleration are less than zero, Brake energy recovery flow is carried out；
In described step C, judge whether vehicle needs gearshift as follows：
C1, acquisition power train request torque, request rotating speed；
C2, the calculating shifted gears judge；
C3, be confirmed whether gearshift, if gearshift, calculate gearshift after power source rotating speed, torque；In described step C2, including
Following steps：
C21, with engine speed as abscissa, maximum engine torque be that ordinate draws two-dimensional coordinate system, and in coordinate system
Middle drafting engine test bench characteristic curve；
C22, critical speed point spd_dn1, spd_dn2 when downshift engine load is respectively 0 and 1 are calculated by following equation
And upshift engine load is respectively 0 and 1 critical speed point spd_up1, spd_up2, and marked in two-dimensional coordinate system
This four points；
Spd_dn1=0.325*spd_max_En；
Spd_up1=0.625*spd_max_En；
Spd_dn2=spd_max_trq_En
Or 0.45*spd_max_En；
Spd_up2=spd_max_pwr_En；
In formula, spd_max_En is maximum engine speed；Spd_max_trq_En is at engine test bench characteristic torque capacity pairs
The rotating speed answered；Spd_max_pwr_En is the corresponding rotating speed in engine test bench characteristic peak power place；
C23, when the rotary speed-torque operating point of engine is on the left of the straight line determined with spd_dn1 and spd_dn2, dropped
Gear operation；When operating point is on the right side of the straight line determined with spd_up1 and spd_up2, upshift operation is carried out.
2. parallel type energy recycling and control method as claimed in claim 1, it is characterised in that：In described step B, by as follows
Step is realized judging that vehicle is using pure electric drive or engine driving or combination drive according to request power and battery electric quantity
Function：
B1, whether request power is judged more than the pure electric drive power of setting, if so, into step B2, otherwise into step B3；
B2, whether battery electric quantity is judged more than setting value, if it is, vehicle uses pure electric drive, while calculating putting for battery
Electrical power, discharge current, battery electric quantity；
Whether B3, decision request power if so, then vehicle uses engine driving, and calculate in the power area of engine setting
The rotating speed of engine, torque, fuel consumption, otherwise into step B4；
B4, whether battery electric quantity is judged more than arranges value, if so, then vehicle uses combination drive, and by system under current rotating speed
Optimum efficiency distribution of torque, while calculating output torque, the discharge current of power and battery, discharge power, the electricity of motor
And the output speed of engine, output torque and fuel consumption；Otherwise, into step B5；
B5, judgement power source can not meet duty requirements, and engine is by maximum output torque output under current rotating speed, and output is current
The speed and acceleration of state.
3. parallel type energy recycling and control method as claimed in claim 1, it is characterised in that：Also include after described step C3
Following steps：
C4, by under current rotating speed system optimal efficiency distribution rotating speed；
The output torque of C5, the torque of output motor and engine；
C6, calculate the defeated of the output torque of motor, the discharge current of power and battery, discharge power, electricity and engine
Go out rotating speed, output torque and fuel consumption.
4. parallel type energy recycling and control method as claimed in claim 1, it is characterised in that：In described step D, Brake Energy
Amount recovery process comprises the following steps：
D1, whether severity of braking is judged less than 0.7, if so, into step D2, otherwise into step D3；
D2, using the fixed energy regenerating situation distributed brake force than braking force distribution curve, and calculate driving wheel of front and back wheel, output
The regenerating braking energy rate of recovery；
D3, using friction catch, output engine, motor, battery status variable are zero.
5. a kind of parallel type energy recovery system, it is characterised in that：Including battery analysis module, machine analysis module, engine
Analysis module, regenerative braking analysis module, braking force distribution module, dynamic Property Analysis module, performance analysis module with
And kinetic parameter matching module；Described battery analysis module is according to cell voltage, battery capacity, energy, power, electric discharge speed
The initial SOC of rate, charge rate, battery, voltameter point counting separate out operating mode artificial battery terminal voltage, inner resistance, charge and discharge
Electric current, hundred kilometers of energy inputs of charge-discharge electric power characteristic curve and operating mode；Machine analysis module according to rated power, specified turn
Speed, nominal torque, maximum speed, operating efficiency atlas analysis determine simulation process motor speed characteristic, torque characteristics, discharge and recharge
Power characteristic；Engine analysis module is according to rated power, rated speed, nominal torque, maximum speed, the universal spy of fuel consumption
Property analysis determine simulation process in engine speed characteristic, torque characteristics, characteristics of output power, hundred kilometers of operating mode fuel consumptions
Amount；Battery parameter that regenerative braking analysis module is exported according to battery analysis module, the parameter of electric machine of machine analysis module output,
Gearratio analytical calculation operating mode simulation process battery pack rechargeable energy and organic efficiency；Braking force distribution module is braked according to influence
The parameter of power calculates ideal braking force distribution curve and tries hard to by the braking that score matches somebody with somebody is determined；Dynamic Property Analysis module is used to obtain
Tractive force-speed relation, dynamic factor-speed relation, max. climb slope-speed relation, acceleration time-speed is obtained to close
System；Performance analysis module is used to obtain constant speed fuel consumption per hundred kilometers-speed relation and operating mode emulation regenerative braking reclaims energy
Amount-time relationship；Kinetic parameter matching module calculates the economy of the lower automobile of different parameters matching according to above-mentioned parameter concrete analysis
Property and dynamic property, wherein representing economy with state of cyclic operation fuel consumption, dynamic property are represented with the Standing start acceleration time.
6. parallel type energy recovery system as claimed in claim 5, it is characterised in that：Also include report output module, be used for
Images outputting is provided, realization is preserved to the chart in result of calculation, parameter values are exported and is realized to calculating gained output
The preservation of result parameter and user's initial setting up parameter.
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| CN201410662771.7A CN104442824B (en) | 2014-11-19 | 2014-11-19 | Parallel type energy recycling and control method and system |
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| CN107719132A (en) * | 2017-08-30 | 2018-02-23 | 浙江工业大学之江学院 | A kind of evaluation method of braking energy of electric automobiles organic efficiency |
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| KR101703601B1 (en) * | 2015-07-13 | 2017-02-22 | 현대자동차 주식회사 | Controlling method for vehicle |
| WO2018119914A1 (en) * | 2016-12-29 | 2018-07-05 | 深圳配天智能技术研究院有限公司 | Brake energy feedback method and feedback system for electric vehicle, and vehicle |
| CN107972494A (en) * | 2017-12-05 | 2018-05-01 | 东风柳州汽车有限公司 | Electric vehicle energy recycling and control method |
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