CN101818697A - Method and device for managing output torque - Google Patents
Method and device for managing output torque Download PDFInfo
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- CN101818697A CN101818697A CN201010163249A CN201010163249A CN101818697A CN 101818697 A CN101818697 A CN 101818697A CN 201010163249 A CN201010163249 A CN 201010163249A CN 201010163249 A CN201010163249 A CN 201010163249A CN 101818697 A CN101818697 A CN 101818697A
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Abstract
The invention discloses a method and a device for managing output torque, belonging to the field of hybrid electric vehicles. The method comprises the following steps: determining the current mode of a engine according to the current rotating speed of the engine; determining the hybrid system efficiency and fuel efficiency at the current rotating speed according to the current rotating speed and the characteristic performance curve of the engine under the non-idling mode; regulating the operating point of the engine and outputting corresponding torque according to the hybrid system efficiency and the fuel efficiency; and under the idling mode, judging whether the current charging state is less than a preset threshold value, if so, entering the idling generating mode, and amending requirement torque according to the current charging state, if not, stopping the use of the engine. The invention also discloses the device for managing the output torque. The invention realizes higher fuel conversion efficiency and achieves optimal effect of oil consumption to achieve the aim of energy saving.
Description
Technical field
The present invention relates to field of hybrid electric vehicles, particularly a kind of method and apparatus of managing output torque.
Background technique
Energy crisis and environmental deterioration are the key factors of restriction global evolution, and the automobile of research energy-saving and environmental protection is one of effective means of alleviating energy pressure, reduction environmental pollution.And hybrid vehicle has been taken into account the characteristic of internal-combustion engines vehicle and pure electric automobile, has advantages such as low oil consumption, low emission, long distance travelled, is the trend of current automobile industry development.
Because hybrid vehicle has two power sources, motor and motor, HCU (Hybrid ControlUnit, the mixed power entire car controller) need be according to current motoring condition, carrying out mode of operation judges, send power and mode request to motor and motor respectively then, motor and motor control unit are controlled its power source respectively to satisfy the demand of car load according to the order of HCU.Especially in the power generation mode request,, the oil consumption of hybrid vehicle will be had influence on directly to the reasonable control of engine output torque.
After prior art was analyzed, the inventor found that prior art has following shortcoming at least:
Because the adding of motor, the most of situation of motor is operated in the zone of high efficiency, low emission, makes that the fuel efficiency of motor is lower, and oil consumption is higher.
Summary of the invention
The embodiment of the invention provides a kind of method and apparatus of managing output torque.Described technological scheme is as follows:
On the one hand, a kind of method of managing output torque, described method comprises:
Determine the residing pattern of described present engine according to the rotating speed of present engine;
Under non-idling pattern,, determine the mixed power system efficient and the fuel efficiency of current rotating speed according to the universal characteristic curve of current rotating speed and motor; According to described mixed power system efficient and described fuel efficiency, regulate the operation point of motor and export corresponding torque.
Described method also comprises:
Under the idling pattern, judge whether current state-of-charge is lower than predetermined threshold value, if, then enter the idling power generation mode, and according to described current state-of-charge correction demand torque; If not, then interrupt working as the use of front motor.
According to described mixed power system efficient and described fuel efficiency, regulate the operation point of motor and export corresponding torque and specifically comprise:
Judge that whether described fuel efficiency is greater than described mixed power system efficient;
If, then confirm the optimal working point of motor under current rotating speed, and, adjust the operation point of described motor and export corresponding torque according to the moment of torsion at described optimal working point place and current demand torque according to described mixed power system efficient, if not, interrupt working as the use of front motor.
Specifically comprise according to described current state-of-charge correction demand torque:
Under the idling power generation mode, calculate current demand torque;
The described demand torque that obtains according to described current state-of-charge corrected Calculation.
Determine that according to the rotating speed of present engine the residing pattern of described present engine comprises:
Whether the rotating speed of judging present engine is less than preset rotation speed, if described present engine is in the idling pattern, if not, described present engine is in non-idling pattern.
On the other hand, a kind of equipment of managing output torque, described equipment comprises:
The pattern determination module is used for determining the residing pattern of described present engine according to the rotating speed of present engine;
Non-idling pattern adjustment module is used under non-idling pattern, according to the universal characteristic curve of current rotating speed and motor, determines the mixed power system efficient and the fuel efficiency of current rotating speed; According to described mixed power system efficient and described fuel efficiency, regulate the operation point of motor and export corresponding torque.
Described equipment also comprises:
Idling pattern adjustment module is used under the idling pattern, judges whether current state-of-charge is lower than predetermined threshold value, if, then trigger and be used to enter the idling power generation mode, and according to the correcting module of described current state-of-charge correction demand torque; If not, then trigger the interrupt module be used to interrupt when the use of front motor.
Described non-idling pattern adjustment module comprises:
The efficient judging unit is used to judge that whether described fuel efficiency is greater than described mixed power system efficient;
If, then trigger regulation unit, described regulation unit is used for confirming the optimal working point of motor under current rotating speed according to described mixed power system efficient, and, adjust the operation point of described motor and export corresponding torque according to the moment of torsion at described optimal working point place and current demand torque;
If not, trigger the described interrupt module be used to interrupt when the use of front motor.
Described correcting module comprises:
The demand torque computing unit is used under the idling power generation mode, calculates current demand torque;
The demand torque amending unit is used for the described demand torque that obtains according to described current state-of-charge corrected Calculation.
Described pattern determination module comprises:
Whether pattern determining unit, the rotating speed that is used to judge present engine be less than preset rotation speed, if described present engine is in the idling pattern, if not, described present engine is in non-idling pattern.
The beneficial effect of the technological scheme that the embodiment of the invention provides is:
By judging the current pattern of motor, and calculate the fuel consume efficient of motor under each rotating speed at the universal characteristic curve that utilizes motor under the different patterns, and whole mixed power system efficient estimated, adjust the operation point of motor according to the magnitude relationship of two kinds of efficient, realize higher fuel oil conversion efficiency, reach the effect of oil consumption the best, to reach purpose of energy saving.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technological scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the flow chart of the method for the managing output torque that provides of the embodiment of the invention 1;
Fig. 2 is the flow chart of the method for the managing output torque that provides of the embodiment of the invention 2;
Fig. 3 is the universal characteristic curve figure of certain motor of demarcation by experiment that the embodiment of the invention 2 provides;
Fig. 4 is the structural representation of the equipment of the managing output torque that provides of the embodiment of the invention 3.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, embodiment of the present invention is described further in detail below in conjunction with accompanying drawing.
Before introducing managing output torque method and apparatus provided by the invention, at first the Essential Terms of the hybrid vehicle that proposes among the present invention are carried out concise and to the point introduction:
1, idling pattern, a kind of working condition when being meant the race of engine.When engine running, if complete close the throttle, at this moment motor just is in the idling pattern.Rotating speed during engine idle is called as idling speed, is the minimum speed that runs well when keeping motor and not doing work.Idling speed can wait by adjustment air door size and adjust its height.Minimum speed when in general, idling speed is not shaken with motor is the best.
2, non-idling pattern is meant the working condition that engine loading turns round, and in embodiments of the present invention, this non-idling pattern promptly is interpreted as the pattern beyond the idling pattern.
3, SOC (State of Charge, state-of-charge), be meant storage battery use a period of time or lie idle for a long time after the ratio of capacity of residual capacity charged state complete with it, percentage commonly used is represented.
Embodiment 1
In order to optimize oil consumption, improve the efficient of mixed power system, the embodiment of the invention provides a kind of method of managing output torque, and referring to Fig. 1, this method comprises:
Step 101: determine the residing pattern of this present engine according to the rotating speed of present engine;
Step 102: under non-idling pattern,, determine the mixed power system efficient and the fuel efficiency of current rotating speed according to the universal characteristic curve of current rotating speed and motor; According to this mixed power system efficient and this fuel efficiency, regulate the operation point of motor and export corresponding torque.
This method also comprises:
Under the idling pattern, judge whether current state-of-charge is lower than predetermined threshold value, if, then enter the idling power generation mode, and according to this current state-of-charge correction demand torque; If not, then interrupt working as the use of front motor.
According to this mixed power system efficient and this fuel efficiency, regulate the operation point of motor and export corresponding torque and specifically comprise:
Judge that whether this fuel efficiency is greater than this mixed power system efficient;
If, then confirm the optimal working point of motor under current rotating speed, and, adjust the operation point of this motor and export corresponding torque according to the moment of torsion at this optimal working point place and current demand torque according to this mixed power system efficient, if not, interrupt working as the use of front motor.
Specifically comprise according to this current state-of-charge correction demand torque:
Under the idling power generation mode, calculate current demand torque;
This demand torque that obtains according to this current state-of-charge corrected Calculation.
Determine that according to the rotating speed of present engine the residing pattern of this present engine comprises:
Whether the rotating speed of judging present engine is less than preset rotation speed, if this present engine is in the idling pattern, if not, this present engine is in non-idling pattern.
By judging the current pattern of motor, and calculate the fuel consume efficient of motor under each rotating speed at the universal characteristic curve that utilizes motor under the different patterns, and whole mixed power system efficient estimated, adjust the operation point of motor according to the magnitude relationship of two kinds of efficient, realize higher fuel oil conversion efficiency, reach the effect of oil consumption the best, to reach purpose of energy saving.
Embodiment 2
In order to optimize oil consumption, improve the efficient of mixed power system, the embodiment of the invention provides a kind of method of managing output torque, this method is used for hybrid vehicle, preferably, the hybrid vehicle that proposes in the embodiment of the invention is a single shaft parallel type hybrid dynamic automobile, and its motor and motor adopt coaxial arrangement.Referring to Fig. 2, this method comprises:
Step 201: whether the rotating speed of judging present engine less than preset rotation speed,
If, the current idling pattern that is in of motor then, execution in step 202;
If not, current non-idling pattern, the execution in step 207 of being in of motor then;
Preferably, preset rotation speed can be changeed for per minute 1200.
Need to prove, the method of this judgement is not unique, the current pattern of living in of this judgement motor can also comprise: the idling flag bit of receiving the motor transmission according to HCU is judged, when no gas pedal request, confirm the current idling pattern that is in of motor, if current idling flag bit indication has the gas pedal request, confirming that motor is current is in non-idling pattern, those skilled in the art can be known other parameter of present engine, temperature etc. for example, also can be used to carry out the judgement of motor pattern of living in, this step 201 is processes that the pattern of living in of motor is judged, after the pattern that this judgement obtains directly has influence on to the management of output torque.
Those skilled in the art can know that the preset rotation speed in the embodiment of the invention needs according to concrete engine type setting, and this preset rotation speed of different motor correspondences may be different, and the embodiment of the invention is not done concrete qualification to this.
Step 202: the state-of-charge SOC that calculates current storage battery;
Those skilled in the art can know, can have multiplely to the computational methods of storage battery state-of-charge, and the embodiment of the invention is not done concrete qualification to this.
Step 203: judge whether current SOC is lower than predetermined threshold value,
If then enter the idling power generation mode, execution in step 204a;
If not, execution in step 204b then.
Wherein, this predetermined threshold value can be provided with according to parameters such as battery size and battery capacities, and the embodiment of the invention is not done concrete qualification.
In inventive embodiments, when state-of-charge is lower than predetermined threshold value, need motor to provide power generation torque for motor, be used for generating.
Those skilled in the art can know, can have multiplely to the computational methods of the demand torque of low-voltage load, and the embodiment of the invention is not done concrete qualification to this.
Step 205: the demand torque that obtains according to current SOC corrected Calculation;
In embodiments of the present invention, the concrete grammar of correction comprises: according to the correction factor that current SOC inquiry is demarcated through overtesting in advance, the current demand torque that calculates is revised.
Illustrate, for example:
Current SOC value is 43%, is+0.03 and inquire the correction factor of demarcating through overtesting in advance, then utilizes this correction factor, and the current demand torque that calculates is revised, and correction value is+0.03.
Step 206: send the torque request of this revised demand torque of request, finish.
After the step 206 of the embodiment of the invention, this torque request of engine response is exported this revised demand torque.
Need to prove that above-mentioned steps 202-206 mainly is under the idling pattern, adjust current pattern according to current state-of-charge, if state-of-charge greater than predetermined threshold value, then enters the idling power generation mode, and according to described current state-of-charge correction demand torque; If state-of-charge less than predetermined threshold value, then interrupts the use of described motor, this step 202-206 can make motor under the idling pattern its output torque be adjusted, thereby saves oil consumption.
Step 207: the fuel efficiency of determining motor under the current rotating speed;
Wherein, this fuel efficiency is confirmed by universal characteristic curve of engine figure, and those skilled in the art can be known, this universal characteristic curve figure is a performance of more comprehensively representing motor, use the performance diagram of multi-parameter, this universal characteristic curve figure is demarcated on stream by experiment by the developer, can comprise multiple information among this universal characteristic curve figure, as information such as rotating speed, power, moment of torsion, fuel consumption rate, fuel consumption, fuel efficiency, can carry out the inquiry of information by the corresponding relation in the plotted curve.Illustrate, for example, the mapping characteristics data when certain engine speed is 2400 commentaries on classics are as shown in table 1 below:
Table 1
| Rotating speed | Power | Moment of torsion | Fuel consumption rate | Fuel consumption | Fuel efficiency | |
| ??T0 | ??2397 | ??0.2 | ??0.7 | ??7412 | ??1.242 | ??0.024639986 |
| ??T1 | ??2399 | ??2.1 | ??8.4 | ??751 | ??1589 | ??0.272553262 |
| ??T2 | ??2398 | ??5.3 | ??21.6 | ??414 | ??2.244 | ??0.493748224 |
| ??T3 | ??2399 | ??8.7 | ??35.6 | ??329 | ??2.939 | ??0.606981671 |
| ??T4 | ??2393 | ??12 | ??49.2 | ??292 | ??3.598 | ??0.705687007 |
| ??T5 | ??2398 | ??15.3 | ??62.7 | ??272 | ??4.278 | ??0.765570934 |
| ??T6 | ??2398 | ??18.7 | ??76.8 | ??259 | ??4.986 | ??0.796469939 |
| ??T7 | ??2398 | ??22.2 | ??91.1 | ??250 | ??5.708 | ??0.906285714 |
| ??T8 | ??2397 | ??25.7 | ??105.6 | ??245 | ??6.501 | ??1.074829932 |
| ??T9 | ??2397 | ??26.6 | ??109.2 | ??246 | ??6.738 | ??1.029708417 |
Particularly, the fuel efficiency computational methods are as follows:
The fuel consumption rate of (back one oil consumption-previous moment oil consumption constantly) * 1000/[previous moment * (back one is power-previous moment power constantly) under fuel efficiency=certain specific rotation speeds].
Step 208: estimate mixed power system efficient under the current rotating speed;
Those skilled in the art can be known, the mixed power system efficient of this estimation is that the developer demarcates according to laboratory data, in the process of experimentizing, mixed power system efficient under each rotating speed is all tested and demarcated, and be stored in the preset database, so that in follow-up use in service.
Step 209: judge that fuel efficiency under this rotating speed is whether greater than the mixed power system efficient of estimation;
If, execution in step 210;
If not, execution in step 211;
Step 210:, confirm the moment of torsion at the optimal working point place of motor under each rotating speed, execution in step 212 according to the point near the preset range mixed power system efficient;
Those skilled in the art can know, the moment of torsion at the optimal working point place under this each rotating speed is that the universal characteristic curve figure according to motor determines.
Step 211: interrupt use, finish when front motor;
Particularly, in the step 210-step 211, the moment of torsion at the optimal working point place under this each rotating speed is determined according to universal characteristic curve figure.
Need to prove that in the step 210-step 211, the moment of torsion at this optimal working point place is meant the minimum pairing moment of torsion of point of oil consumption under this rotating speed.
This step 209-step 212 is by judging that fuel efficiency under this rotating speed is whether greater than the mixed power system efficient of estimating, and mixed power system efficient is adjusted, if fuel efficiency is greater than mixed power system efficient, illustrate that motor can also be used for generating, then choose near the operation point of mixed power system efficient of estimation, and the moment of torsion of locating with this operation point carries out follow-up step, if and fuel oil power is less than mixed power system efficient, illustrate that then motor does not have unnecessary fuel oil conversion to generate electricity, the then use of middle power machine is to raise the efficiency.
Step 212: the aperture according to gas pedal parses current demand torque;
Those skilled in the art can know that the aperture of pedal also is kind of a flag bit, and this flag bit can be represented current demand torque.
In embodiments of the present invention, determining of current demand torque can be by the developer on stream, through test determination, referring to Fig. 3, when the gas pedal aperture was 0, demand torque was 0, when the gas pedal aperture is 80%, demand torque is a Maximum Torque, and the relation between the size of this demand torque and the gas pedal aperture changes according to the changes of properties of motor own.
Step 213: whether the moment of torsion of judging the optimal working point place is greater than demand torque;
If, execution in step 214;
If not, execution in step 216;
In embodiments of the present invention, the process of this judgement is to be used to judge which moment of torsion motor export and can make the conversion efficiency of fuel oil the highest, selects the moment of torsion output that makes conversion efficiency the highest, to reach the effect that reduces oil consumption.
Step 214: motor output demand torque;
In embodiments of the present invention, when engine operation during in this optimal working point place, conversion efficiency is the highest, then, and motor output optimal working point place moment of torsion, the part of demand torque is used for exporting as demand torque in this optimal working point place moment of torsion, and the part beyond the demand torque under the highest situation of fuel oil conversion efficiency, is carried out moment of torsion output and generating as the power generation torque that is used for electric power generation simultaneously, save oil consumption, also improved the efficient of motor itself greatly.
Need to prove that above-mentioned steps 207-step 214 mainly is under non-idling pattern,, determine the mixed power system efficient and the fuel efficiency of current rotating speed according to the universal characteristic curve of current rotating speed and motor; And, regulate the operation point of motor and also export corresponding torque according to the magnitude relationship of mixed power system efficient and fuel efficiency.
Step 215: it is poor that optimal working point place moment of torsion and demand torque are done, and the difference that obtains is exported to the power generation torque of motor, execution in step 217 as motor;
Need to prove, in step 214 and the step 215 power generation torque of output and demand torque and be the moment of torsion at optimal working point place, and these two steps can be to carry out simultaneously and part priority.
Illustrate, for example:
When this rotating speed, optimal working point place moment of torsion is 50Nm, and demand torque is 30Nm, then the conversion efficiency of engine operation fuel oil when optimal working point is the highest, then in output 30Nm demand torque, generate electricity, the power generation torque 20Nm that motor output is used to generate electricity, this 20Nm comes from the moment of torsion 50Nm-of optimal working point place demand torque 30Nm.
Step 216: export the driving of buying car in installments of current rotating speed maximum engine torque, finish.
In embodiments of the present invention, this Maximum Torque is meant, the Maximum Torque under this rotating speed in the present engine limit of power is the peak-peak of engine demand moment of torsion, in Fig. 3, is expressed as the point on the dotted line on figure top.
Need to prove that the purpose of motor output Maximum Torque is the fuel efficiency of the utilization conversion that maximum is limited the quantity of, to promote the power character of vehicle.Motor also can only be exported a demand torque driving of buying car in installments.
Step 217: power generation torque is revised;
Specifically comprise: after hybrid controller request power generation torque is given motor, HCU can continue the power generation torque of request is revised, at first carry out NVH (Noise, Vibration, Harshness, noise, vibration and sound vibration roughness) restriction, in case the NVH of the influence of noise car load that excessive moment of torsion causes, carry out the vacuum pressure correction of motor then, when taking seriously empty hypotony, in order not influence brake, and then the restriction power generation torque, carry out the correction of the speed of a motor vehicle and rotating speed again, get wherein less correction moment of torsion, carry out SOC at last and revise, preventing that SOC from crossing influences vehicle drive when low.
Wherein the correction to SOC is identical with correction principle in the step step 205 in this step, does not do at this and gives unnecessary details.
Need to prove that the purpose of step 217 mainly is in order to limit NVH, not influence vehicle drive.NVH is a global question weighing the automobile making quality, and it gives the impression of user vehicle is the most direct and the most surperficial.Industry with the english abbreviation of noise, vibration and travelling comfort is, is referred to as the NVH problem of vehicle, and it is one of problem of international automobile each big car load manufacturing enterprise of industry and component enterprises pay attention.
By judging the current pattern of motor, and calculate the fuel consume efficient of motor under each rotating speed at the universal characteristic curve that utilizes motor under the different patterns, and whole mixed power system efficient estimated, adjust the operation point of motor according to the magnitude relationship of two kinds of efficient, monitoring of mixed power car load control unit and management engine output torque, thereby reach the energy management of more optimizing than traditional vehicle, raise the efficiency, reach energy-conservation and purpose environmental protection.
Embodiment 3
In order to optimize oil consumption, improve the efficient of mixed power system, the embodiment of the invention provides a kind of equipment of managing output torque, this method is used for hybrid vehicle, preferably, the hybrid vehicle that proposes in the embodiment of the invention is a single shaft parallel type hybrid dynamic automobile, and its motor and motor adopt coaxial arrangement.Referring to Fig. 4, this equipment comprises:
Pattern determination module 401 is used for determining the residing pattern of this present engine according to the rotating speed of present engine;
This pattern determination module 401 comprises:
Whether pattern determining unit 4011, the rotating speed that is used to judge present engine be less than preset rotation speed, if this present engine is in the idling pattern, if not, this present engine is in non-idling pattern.
Non-idling pattern adjustment module 402 is used under non-idling pattern, according to the universal characteristic curve of current rotating speed and motor, determines the mixed power system efficient and the fuel efficiency of current rotating speed; According to this mixed power system efficient and this fuel efficiency, regulate the operation point of motor and export corresponding torque.
Non-idling pattern adjustment module 402 comprises:
Efficient judging unit 4021 is used to judge that whether this fuel efficiency is greater than this mixed power system efficient;
If, then trigger regulation unit 4022, this regulation unit 4022 is used for confirming the optimal working point of motor under current rotating speed according to this mixed power system efficient, and, adjust the operation point of this motor and export corresponding torque according to the moment of torsion at this optimal working point place and current demand torque;
If not, trigger the interrupt module 405 be used to interrupt when the use of front motor.
This equipment also comprises:
Idling pattern adjustment module 403 is used under the idling pattern, judges whether current state-of-charge is lower than predetermined threshold value, if, then trigger and be used to enter the idling power generation mode, and according to the correcting module 404 of this current state-of-charge correction demand torque; If not, then trigger the interrupt module 405 be used to interrupt when the use of front motor.
This correcting module 404 comprises:
Demand torque computing unit 4041 is used under the idling power generation mode, calculates current demand torque;
Demand torque amending unit 4042 is used for this demand torque that obtains according to this current state-of-charge corrected Calculation.
The equipment that present embodiment provides specifically can be the mixed power entire car controller, belongs to same design with method embodiment, and its specific implementation process sees method embodiment for details, repeats no more here.
By judging the current pattern of motor, and calculate the fuel consume efficient of motor under each rotating speed at the universal characteristic curve that utilizes motor under the different patterns, and whole mixed power system efficient estimated, adjust the operation point of motor according to the magnitude relationship of two kinds of efficient, monitoring of mixed power car load control unit and management engine output torque, thereby reach the energy management of more optimizing than traditional vehicle, raise the efficiency, reach energy-conservation and purpose environmental protection.
The all or part of of the technique scheme that the embodiment of the invention provides can be finished by the relevant hardware of programming instruction, described program can be stored in the storage medium that can read, and this storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the method for a managing output torque is characterized in that, described method comprises:
Determine the residing pattern of described present engine according to the rotating speed of present engine;
Under non-idling pattern,, determine the mixed power system efficient and the fuel efficiency of current rotating speed according to the universal characteristic curve of current rotating speed and motor; According to described mixed power system efficient and described fuel efficiency, regulate the operation point of motor and export corresponding torque.
2. method according to claim 1 is characterized in that, described method also comprises:
Under the idling pattern, judge whether current state-of-charge is lower than predetermined threshold value, if, then enter the idling power generation mode, and according to described current state-of-charge correction demand torque; If not, then interrupt working as the use of front motor.
3. method according to claim 1 is characterized in that, according to described mixed power system efficient and described fuel efficiency, regulates the operation point of motor and exports corresponding torque and specifically comprise:
Judge that whether described fuel efficiency is greater than described mixed power system efficient;
If, then confirm the optimal working point of motor under current rotating speed, and, adjust the operation point of described motor and export corresponding torque according to the moment of torsion at described optimal working point place and current demand torque according to described mixed power system efficient, if not, interrupt working as the use of front motor.
4. method according to claim 2 is characterized in that, specifically comprises according to described current state-of-charge correction demand torque:
Under the idling power generation mode, calculate current demand torque;
The described demand torque that obtains according to described current state-of-charge corrected Calculation.
5. according to each described method of claim 1-4, it is characterized in that, determine that according to the rotating speed of present engine the residing pattern of described present engine comprises:
Whether the rotating speed of judging present engine is less than preset rotation speed, if described present engine is in the idling pattern, if not, described present engine is in non-idling pattern.
6. the equipment of a managing output torque is characterized in that, described equipment comprises:
The pattern determination module is used for determining the residing pattern of described present engine according to the rotating speed of present engine;
Non-idling pattern adjustment module is used under non-idling pattern, according to the universal characteristic curve of current rotating speed and motor, determines the mixed power system efficient and the fuel efficiency of current rotating speed; According to described mixed power system efficient and described fuel efficiency, regulate the operation point of motor and export corresponding torque.
7. equipment according to claim 6 is characterized in that, described equipment also comprises:
Idling pattern adjustment module is used under the idling pattern, judges whether current state-of-charge is lower than predetermined threshold value, if, then trigger and be used to enter the idling power generation mode, and according to the correcting module of described current state-of-charge correction demand torque; If not, then trigger the interrupt module be used to interrupt when the use of front motor.
8. equipment according to claim 6 is characterized in that, described non-idling pattern adjustment module comprises:
The efficient judging unit is used to judge that whether described fuel efficiency is greater than described mixed power system efficient;
If, then trigger regulation unit, described regulation unit is used for confirming the optimal working point of motor under current rotating speed according to described mixed power system efficient, and, adjust the operation point of described motor and export corresponding torque according to the moment of torsion at described optimal working point place and current demand torque;
If not, trigger the described interrupt module be used to interrupt when the use of front motor.
9. equipment according to claim 7 is characterized in that, described correcting module comprises:
The demand torque computing unit is used under the idling power generation mode, calculates current demand torque;
The demand torque amending unit is used for the described demand torque that obtains according to described current state-of-charge corrected Calculation.
10. according to each described equipment of claim 6-9, it is characterized in that described pattern determination module comprises:
Whether pattern determining unit, the rotating speed that is used to judge present engine be less than preset rotation speed, if described present engine is in the idling pattern, if not, described present engine is in non-idling pattern.
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102951156A (en) * | 2011-08-19 | 2013-03-06 | 通用汽车环球科技运作有限责任公司 | Method for crankshaft torque modification during transmission shifts using multiple torque actuators and control system for same |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020173895A1 (en) * | 2001-05-17 | 2002-11-21 | Toyota Jidosha Kabushiki Kaisha | Control system of a continuously variable transmission for vehicle and method |
| JP3612083B2 (en) * | 1992-07-21 | 2005-01-19 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | Apparatus for adjusting transmission driven torque or transmission output in vehicles with continuously adjustable transmission (CVT) |
| US20050103542A1 (en) * | 2003-11-18 | 2005-05-19 | Grabbe Wallace W. | Gas-electric hybrid drive system with a planetary gear |
| US20070112496A1 (en) * | 2005-11-17 | 2007-05-17 | Ji Sang W | Apparatus and method for controlling driving of hybrid electric vehicle on slope |
| CN101024397A (en) * | 2006-02-22 | 2007-08-29 | 三菱扶桑卡客车株式会社 | Control device for hybrid electric vehicle |
| CN101028820A (en) * | 2006-03-03 | 2007-09-05 | 三菱扶桑卡客车株式会社 | Control device for a hybrid electric vehicle |
| CN101397008A (en) * | 2007-09-25 | 2009-04-01 | 奇瑞汽车股份有限公司 | Hybrid vehicle battery warming-up method |
| US20090299559A1 (en) * | 2008-05-27 | 2009-12-03 | Toyota Jidosha Kabushiki Kaisha | Vehicle, vehicle control method, and drive unit |
-
2010
- 2010-04-30 CN CN 201010163249 patent/CN101818697B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3612083B2 (en) * | 1992-07-21 | 2005-01-19 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | Apparatus for adjusting transmission driven torque or transmission output in vehicles with continuously adjustable transmission (CVT) |
| US20020173895A1 (en) * | 2001-05-17 | 2002-11-21 | Toyota Jidosha Kabushiki Kaisha | Control system of a continuously variable transmission for vehicle and method |
| US20050103542A1 (en) * | 2003-11-18 | 2005-05-19 | Grabbe Wallace W. | Gas-electric hybrid drive system with a planetary gear |
| US20070112496A1 (en) * | 2005-11-17 | 2007-05-17 | Ji Sang W | Apparatus and method for controlling driving of hybrid electric vehicle on slope |
| CN101024397A (en) * | 2006-02-22 | 2007-08-29 | 三菱扶桑卡客车株式会社 | Control device for hybrid electric vehicle |
| CN101028820A (en) * | 2006-03-03 | 2007-09-05 | 三菱扶桑卡客车株式会社 | Control device for a hybrid electric vehicle |
| CN101397008A (en) * | 2007-09-25 | 2009-04-01 | 奇瑞汽车股份有限公司 | Hybrid vehicle battery warming-up method |
| US20090299559A1 (en) * | 2008-05-27 | 2009-12-03 | Toyota Jidosha Kabushiki Kaisha | Vehicle, vehicle control method, and drive unit |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102951156B (en) * | 2011-08-19 | 2015-10-28 | 通用汽车环球科技运作有限责任公司 | For method and the control system thereof of crank torque amendment |
| CN102951156A (en) * | 2011-08-19 | 2013-03-06 | 通用汽车环球科技运作有限责任公司 | Method for crankshaft torque modification during transmission shifts using multiple torque actuators and control system for same |
| CN103879304A (en) * | 2012-12-19 | 2014-06-25 | 上海汽车集团股份有限公司 | Method for controlling operation of automobile generator and automobile electronic controller |
| CN103010336A (en) * | 2012-12-27 | 2013-04-03 | 潍柴动力股份有限公司 | Method and device for adjusting parameters of each part of automobile power assembly |
| CN103010336B (en) * | 2012-12-27 | 2015-05-13 | 潍柴动力股份有限公司 | Method and device for adjusting parameters of each part of automobile power assembly |
| CN103277201A (en) * | 2013-04-24 | 2013-09-04 | 三一重机有限公司 | Electronic-controlled engine, energy-saving method of electronic-controlled engine, energy-saving device of electronic-controlled engine and engineering machine |
| CN103277201B (en) * | 2013-04-24 | 2016-05-11 | 三一重机有限公司 | Electric-control motor and power-economizing method thereof, energy saver and engineering machinery |
| CN104454206A (en) * | 2013-09-18 | 2015-03-25 | 北汽福田汽车股份有限公司 | Automobile control method and system and automobile with control system |
| CN110015154A (en) * | 2017-10-25 | 2019-07-16 | 上海汽车集团股份有限公司 | A kind of the idling charging method and device of hybrid vehicle |
| CN109353326A (en) * | 2018-09-28 | 2019-02-19 | 潍柴动力股份有限公司 | A kind of engine torque control method and device |
| CN109910867A (en) * | 2019-03-18 | 2019-06-21 | 湖南大学 | A kind of engine working point optimization method of series parallel hybrid power vehicle |
| CN112572406A (en) * | 2019-09-27 | 2021-03-30 | 比亚迪股份有限公司 | Method and device for controlling vehicle, storage medium and vehicle |
| CN110984269A (en) * | 2019-12-19 | 2020-04-10 | 山推工程机械股份有限公司 | Intelligent consumption reduction method for bulldozer |
| CN111137144A (en) * | 2019-12-30 | 2020-05-12 | 潍柴动力股份有限公司 | Control method and device for charging power battery |
| CN111137144B (en) * | 2019-12-30 | 2021-05-18 | 潍柴动力股份有限公司 | Control method and device for charging power battery |
| CN111775724A (en) * | 2020-07-29 | 2020-10-16 | 浙江吉利新能源商用车集团有限公司 | Method for selecting and switching working points of range extender |
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