CN104228843A - Hybrid vehicle accelerator pedal torque identification processing method - Google Patents
Hybrid vehicle accelerator pedal torque identification processing method Download PDFInfo
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- CN104228843A CN104228843A CN201310243465.5A CN201310243465A CN104228843A CN 104228843 A CN104228843 A CN 104228843A CN 201310243465 A CN201310243465 A CN 201310243465A CN 104228843 A CN104228843 A CN 104228843A
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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
- B60W20/00—Control systems specially adapted for hybrid vehicles
-
- 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
- B60W40/10—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 related to vehicle motion
- B60W40/105—Speed
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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
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/06—Combustion engines, Gas turbines
- B60W2510/0657—Engine torque
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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
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/08—Electric propulsion units
- B60W2510/083—Torque
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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
- B60W2520/00—Input parameters relating to overall vehicle dynamics
- B60W2520/10—Longitudinal 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
- B60W2540/00—Input parameters relating to occupants
- B60W2540/10—Accelerator pedal position
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention relates to a hybrid vehicle accelerator pedal torque identification processing method. The method includes calculating and adding a maximum engine torque and maximum constant motor torque corresponding to different speeds as a Base torque; adding a motor usable maximum torque transmitted to a hybrid control unit by the motor in real time and a real-time feedback maximum engine torque as a Peak torque; distributing the Base torque according to the real-time accelerator pedal opening degree and acquiring a Base torque demand value; calculating a real-time Peak torque in the current speed, and selecting the larger one of the real-time Peak torque and the Base torque in the current speed to minus the Base torque as a Boost torque; distributing the Boost torque according to the real-time accelerator pedal opening degree and acquiring a Boost torque demand value; adding the Base torque demand value and the Boost torque demand value as a final torque demand value, and adopting the smaller one of the Peak torque and the final torque demand value as a final actual torque demand value.
Description
Technical field
The invention belongs to hybrid vehicle control technology field, particularly relate to a kind of Das Gaspedal moment of torsion identifying processing method of hybrid vehicle.
Background technology
In the prior art, for the hybrid vehicle system being made up of propulsion source motor and driving engine, in this hybrid power system, how carry out identifying processing to the moment of torsion of chaufeur Das Gaspedal is a new problem, does not wherein have existing document to relate to and how to carry out identifying processing to respond chaufeur Das Gaspedal demand to the combined torque of motor and driving engine.Therefore, be necessary to study this, the Das Gaspedal demand of chaufeur can be responded objective, accurately and efficiently when application mix power vehicle system, optimize and promote the work efficiency of hybrid vehicle, reduce fuel oil consumption, and improve safety performance.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of Das Gaspedal moment of torsion identifying processing method of hybrid vehicle, to solve the above-mentioned problems in the prior art and otherwise problem.
In order to realize above-mentioned goal of the invention, present invention employs following technical scheme:
A Das Gaspedal moment of torsion identifying processing method for hybrid vehicle, described hybrid vehicle is provided with driving engine and motor, and the Das Gaspedal moment of torsion identifying processing method of described hybrid vehicle comprises step:
A. the maximum engine torque corresponding to calculating under each speed of a motor vehicle and motor continue torque peak sum and are counted Base moment of torsion, then the motor being real-time transmitted to hybrid power control unit by motor can be counted Peak moment of torsion with torque peak and the maximum engine torque phase obtained through Real-time Feedback adduction;
B. distribute Base moment of torsion according to real-time Das Gaspedal aperture and current vehicle speed, the moment of torsion after distributing is Base torque demand value;
C. the real-time Peak moment of torsion under current vehicle speed is calculated in real time, the greater in Base moment of torsion corresponding under choosing described real-time Peak moment of torsion and this current vehicle speed, then this greater is deducted this Base moment of torsion corresponding under this current vehicle speed as Boost moment of torsion;
D. distribute Boost moment of torsion according to real-time Das Gaspedal aperture and this current vehicle speed, the moment of torsion after distributing is Boost torque demand value; And
F. described Base torque demand value is added with described Boost torque demand value the final torque demand value responding operator torque demands as propulsion source, the smaller then chosen in described final torque demand value and described real-time Peak moment of torsion responds the final actual torque requirements of operator torque demands as propulsion source.
In the Das Gaspedal moment of torsion identifying processing method of above-mentioned hybrid vehicle, alternatively, in described step B, distribution is carried out to Base moment of torsion and should meet following condition:
A. the moment of torsion with speed of a motor vehicle change distribution under different pedal can not intersect;
B. with distribute torque under the speed of a motor vehicle and Das Gaspedal aperture linear;
C. single Das Gaspedal aperture should be unique value corresponding to the distribute torque of the single speed of a motor vehicle;
D. Das Gaspedal can not have dead band, and namely distribute torque should in Base torque range; And
E. torque distribution should consider driving.
In the Das Gaspedal moment of torsion identifying processing method of above-mentioned hybrid vehicle, alternatively, described condition e is included in the Base moment of torsion that should to distribute more than 50% when Das Gaspedal aperture is not more than 50%, to reduce the pedal stroke of chaufeur
In the Das Gaspedal moment of torsion identifying processing method of above-mentioned hybrid vehicle, alternatively, in described step D, distribution is carried out to Boost moment of torsion and should meet following condition:
A. the Das Gaspedal aperture setting value starting to distribute Boost moment of torsion is set according to hybrid electric working mode requirement; And
B., under any hybrid electric working pattern, 100% of Boost moment of torsion must be reached under being in full throttle pedal aperture.
In the Das Gaspedal moment of torsion identifying processing method of above-mentioned hybrid vehicle, alternatively, under Normal pattern in hybrid electric working pattern, Das Gaspedal aperture setting value is the first setting value that precentagewise count value is moderate, when Das Gaspedal aperture reaches described first setting value, start to distribute Boost moment of torsion according to the first setting amount value.
In the Das Gaspedal moment of torsion identifying processing method of above-mentioned hybrid vehicle, alternatively, described first setting value is 50%.
In the Das Gaspedal moment of torsion identifying processing method of above-mentioned hybrid vehicle, alternatively, described first setting amount value is 10%.
In the Das Gaspedal moment of torsion identifying processing method of above-mentioned hybrid vehicle, alternatively, under Eco pattern in hybrid electric working pattern, Das Gaspedal aperture setting value be precentagewise count value higher than 50% the second setting value, when Das Gaspedal aperture reaches described second setting value, start to distribute Boost moment of torsion according to the second setting amount value.
In the Das Gaspedal moment of torsion identifying processing method of above-mentioned hybrid vehicle, alternatively, described second setting value is 65%.
In the Das Gaspedal moment of torsion identifying processing method of above-mentioned hybrid vehicle, alternatively, described second setting amount value is 10%.
Beneficial effect of the present invention is: the Das Gaspedal moment of torsion identifying processing method adopting hybrid vehicle of the present invention, can very objective, exactly identifying processing is carried out to the combined torque of driving engine in hybrid vehicle and motor, thus responding the Das Gaspedal demand of chaufeur rationally, efficiently, this contributes to optimizing and promotes the work efficiency of hybrid vehicle, fuel performance and safety performance etc.
Accompanying drawing explanation
Below with reference to drawings and Examples, technical scheme of the present invention is described in further detail.
Fig. 1 is the treatment scheme schematic diagram of a Das Gaspedal moment of torsion identifying processing method example of hybrid vehicle of the present invention.
Detailed description of the invention
It should be noted that, the Das Gaspedal moment of torsion identifying processing side ratio juris of hybrid vehicle of the present invention, feature and advantage will be illustrated by way of example below, but all descriptions are only used to be described, and they should be interpreted as any restriction is formed to the present invention.In addition, described in each embodiment mentioned by this paper or implicit any single technical characteristic, or be shown or implicit any single technical characteristic in the drawings and in which, still can between these technical characteristics (or its equivalent), proceed combination in any or delete, thus obtain other embodiments of the present invention more that may directly do not mention in this article.
Only schematically show the concrete treatment scheme of a Das Gaspedal moment of torsion identifying processing method example of hybrid vehicle of the present invention in FIG by way of example, this hybrid vehicle is provided with driving engine and motor, combined torque can be provided by them.
Refer to this Fig. 1, in this illustration, the Das Gaspedal moment of torsion identifying processing method of hybrid vehicle comprises these steps following:
First, the maximum engine torque that calculating is corresponding under each speed of a motor vehicle and motor continue torque peak (because the moment of torsion total external characteristics of motor is divided into lasting moment of torsion and peak torque, wherein peak torque is instantaneous torque peak, it only can work within a period of time, therefore the lasting moment of torsion of motor is the available torque peak of motor continuous firing) sum of the two and counted Base moment of torsion (namely, Base moment of torsion is the torque rating that the off-line calculation relevant to the speed of a motor vehicle obtains), then the motor being real-time transmitted to hybrid power control unit by motor can be added with both the maximum engine torques obtained through Real-time Feedback with torque peak and be counted Peak moment of torsion (namely, Peak moment of torsion is through feeding back the real-time torque rating obtained).
Subsequently, distribute Base moment of torsion according to real-time Das Gaspedal aperture and current vehicle speed, the moment of torsion after distributing is Base torque demand value.In the methods of the invention, identifying processing for the torque demand of chaufeur have employed Das Gaspedal aperture and these two signals of the speed of a motor vehicle, wherein use vehicle speed signal instead of power source speed signal as incoming signal, its major cause is the feature considering that hybrid vehicle itself has, namely its power combination pattern is more, can be not only by the independent drive pattern of motor, and can be by the independent drive pattern of driving engine, can also be combine driving isotype by motor and driving engine.Therefore, if take which kind of power source speed to carry out calculating and just need to consider these mode of operations, and vehicle speed signal is directly adopted just quite directly, effectively.In addition, in the methods of the invention, allow to adopt plurality of distribution principle to distribute Base moment of torsion according to real-time Das Gaspedal aperture and current vehicle speed, these distribution principles can be determined flexibly according to practical application situation, such as, can correspond to the Base torque demand value of 15% under the Das Gaspedal aperture of 5%.
Then, calculate the real-time Peak moment of torsion under current vehicle speed in real time again, the greater in the middle of both Base moments of torsion corresponding under choosing real-time Peak moment of torsion and this current vehicle speed, then this greater is deducted Base moment of torsion corresponding under this current vehicle speed as Boost moment of torsion.
Then, distribute Boost moment of torsion according to real-time Das Gaspedal aperture and this current vehicle speed, the moment of torsion after distributing is Boost torque demand value.In the methods of the invention, allow too to adopt plurality of distribution principle to distribute Boost moment of torsion according to real-time Das Gaspedal aperture and current vehicle speed, these distribution principles can be determined flexibly according to practical application situation.
Finally, above-mentioned Base torque demand value is added the final torque demand value responding operator torque demands as propulsion source with both Boost torque demand values, but also should it can be used as the actual moment of torsion sent of propulsion source, this be due to break down or Motor torque because of in the confined situations such as temperature anomaly, likely there will be the situation being less than the Base moment of torsion that off-line calculation obtains through feeding back the real-time Peak moment of torsion obtained, so continue in the present invention to choose the smaller in the middle of this final torque demand value and above-mentioned real-time both Peak moments of torsion, and using the final actual torque requirements of this smaller as propulsion source response operator torque demands.
As an example, under optional situation, above-mentioned distribute for Base moment of torsion time can consider to meet following condition:
A. the moment of torsion with speed of a motor vehicle change distribution under different pedal can not intersect;
B. with distribute torque under the speed of a motor vehicle and Das Gaspedal aperture linear;
C. single Das Gaspedal aperture should be unique value corresponding to the distribute torque of the single speed of a motor vehicle;
D. Das Gaspedal can not have dead band, and namely distribute torque should in Base torque range; And
E. torque distribution should consider driving, and this comprises the Base moment of torsion that such as should distribute more than 50% when Das Gaspedal aperture is not more than 50%, to reduce the pedal stroke of chaufeur, such as can distribute the Base moment of torsion of 80% under the Das Gaspedal aperture of 50%.
Again for example, under optional situation, above-mentioned distribute for Boost moment of torsion time can consider to meet following condition:
A. the Das Gaspedal aperture setting value starting to distribute Boost moment of torsion is set according to hybrid electric working mode requirement, namely which dictates that chaufeur can break into instantaneous peak torque under which kind of Das Gaspedal aperture, under Normal pattern (i.e. general mode) such as in hybrid electric working pattern, Das Gaspedal aperture setting value can be made to be that setting value that precentagewise count value is moderate is (as 50%, 52%, 55%, 48%, any moderate numerical value such as 45%, for the technical personnel of automotive field, the implication that this Das Gaspedal aperture is moderate is clear, clear and definite), when Das Gaspedal aperture reaches this setting value, just can according to setting amount value (as 10% or any other appropriate amount) start to distribute Boost moment of torsion, and for example, under Eco pattern (i.e. Economy economic model), Das Gaspedal aperture setting value can be made to be precentagewise count value higher than 50% setting value (as 65%, 70%, 75% etc. higher than the numerical value of middle number), when Das Gaspedal aperture reaches this setting value, just can according to setting amount value (as 10% or any other appropriate amount) start to distribute Boost moment of torsion.
B., no matter under any hybrid electric working pattern, 100% of Boost moment of torsion must be reached under being in full throttle pedal aperture (namely referring to that Das Gaspedal aperture is 100%).
Be enumerated above the Das Gaspedal moment of torsion identifying processing method that some concrete examples illustrate hybrid vehicle of the present invention in detail, this a few example is only for principle of the present invention and embodiment thereof are described, but not limitation of the present invention, without departing from the spirit and scope of the present invention, those of ordinary skill in the art can also make various distortion and improvement.Therefore, all equivalent technical schemes all should belong to category of the present invention also by every claim of the present invention is limited.
Claims (10)
1. a Das Gaspedal moment of torsion identifying processing method for hybrid vehicle, described hybrid vehicle is provided with driving engine and motor, it is characterized in that, the Das Gaspedal moment of torsion identifying processing method of described hybrid vehicle comprises step:
A. the maximum engine torque corresponding to calculating under each speed of a motor vehicle and motor continue torque peak sum and are counted Base moment of torsion, then the motor being real-time transmitted to hybrid power control unit by motor can be counted Peak moment of torsion with torque peak and the maximum engine torque phase obtained through Real-time Feedback adduction;
B. distribute Base moment of torsion according to real-time Das Gaspedal aperture and current vehicle speed, the moment of torsion after distributing is Base torque demand value;
C. the real-time Peak moment of torsion under current vehicle speed is calculated in real time, the greater in Base moment of torsion corresponding under choosing described real-time Peak moment of torsion and this current vehicle speed, then this greater is deducted this Base moment of torsion corresponding under this current vehicle speed as Boost moment of torsion;
D. distribute Boost moment of torsion according to real-time Das Gaspedal aperture and this current vehicle speed, the moment of torsion after distributing is Boost torque demand value; And
F. described Base torque demand value is added with described Boost torque demand value the final torque demand value responding operator torque demands as propulsion source, the smaller then chosen in described final torque demand value and described real-time Peak moment of torsion responds the final actual torque requirements of operator torque demands as propulsion source.
2. the Das Gaspedal moment of torsion identifying processing method of hybrid vehicle according to claim 1, is characterized in that, carry out distribution should meet following condition in described step B to Base moment of torsion:
A. the moment of torsion with speed of a motor vehicle change distribution under different pedal can not intersect;
B. with distribute torque under the speed of a motor vehicle and Das Gaspedal aperture linear;
C. single Das Gaspedal aperture should be unique value corresponding to the distribute torque of the single speed of a motor vehicle;
D. Das Gaspedal can not have dead band, and namely distribute torque should in Base torque range; And
E. torque distribution should consider driving.
3. the Das Gaspedal moment of torsion identifying processing method of hybrid vehicle according to claim 2, is characterized in that, described condition e is included in the Base moment of torsion that should to distribute more than 50% when Das Gaspedal aperture is not more than 50%, to reduce the pedal stroke of chaufeur.
4. the Das Gaspedal moment of torsion identifying processing method of the hybrid vehicle according to claim 1,2 or 3, is characterized in that, carry out distribution should meet following condition in described step D to Boost moment of torsion:
A. the Das Gaspedal aperture setting value starting to distribute Boost moment of torsion is set according to hybrid electric working mode requirement; And
B., under any hybrid electric working pattern, 100% of Boost moment of torsion must be reached under being in full throttle pedal aperture.
5. the Das Gaspedal moment of torsion identifying processing method of hybrid vehicle according to claim 4, it is characterized in that, under Normal pattern in hybrid electric working pattern, Das Gaspedal aperture setting value is the first setting value that precentagewise count value is moderate, when Das Gaspedal aperture reaches described first setting value, start to distribute Boost moment of torsion according to the first setting amount value.
6. the Das Gaspedal moment of torsion identifying processing method of hybrid vehicle according to claim 5, it is characterized in that, described first setting value is 50%.
7. the Das Gaspedal moment of torsion identifying processing method of hybrid vehicle according to claim 5, is characterized in that, described first setting amount value is 10%.
8. the Das Gaspedal moment of torsion identifying processing method of hybrid vehicle according to claim 4, it is characterized in that, under Eco pattern in hybrid electric working pattern, Das Gaspedal aperture setting value be precentagewise count value higher than 50% the second setting value, when Das Gaspedal aperture reaches described second setting value, start to distribute Boost moment of torsion according to the second setting amount value.
9. the Das Gaspedal moment of torsion identifying processing method of hybrid vehicle according to claim 8, it is characterized in that, described second setting value is 65%.
10. the Das Gaspedal moment of torsion identifying processing method of hybrid vehicle according to claim 8, is characterized in that, described second setting amount value is 10%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310243465.5A CN104228843B (en) | 2013-06-19 | 2013-06-19 | The gas pedal moment of torsion identifying processing method of hybrid vehicle |
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| CN201310243465.5A CN104228843B (en) | 2013-06-19 | 2013-06-19 | The gas pedal moment of torsion identifying processing method of hybrid vehicle |
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| CN104228843B CN104228843B (en) | 2016-12-07 |
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| CN105774799A (en) * | 2016-04-22 | 2016-07-20 | 北京新能源汽车股份有限公司 | Torque compensation method and system of hybrid vehicle |
| CN106404258A (en) * | 2016-08-30 | 2017-02-15 | 潍柴动力股份有限公司 | Engine torque automatic measurement method, device and system |
| CN106476792A (en) * | 2015-08-31 | 2017-03-08 | 现代自动车株式会社 | For controlling the device and method of motor vehicle driven by mixed power |
| CN109421692A (en) * | 2017-08-23 | 2019-03-05 | 郑州宇通客车股份有限公司 | A kind of control method and its system of automobile engine using new energy resources |
| CN111169465A (en) * | 2020-01-15 | 2020-05-19 | 上海电气集团股份有限公司 | Control method for operation of severe hybrid vehicle |
| CN113085830A (en) * | 2021-05-27 | 2021-07-09 | 中国第一汽车股份有限公司 | Engine starting control method and device, electronic equipment and storage medium |
| CN114103951A (en) * | 2020-08-28 | 2022-03-01 | 上海汽车集团股份有限公司 | Parameter determination method and related device |
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| CN114103951A (en) * | 2020-08-28 | 2022-03-01 | 上海汽车集团股份有限公司 | Parameter determination method and related device |
| CN114103951B (en) * | 2020-08-28 | 2023-12-22 | 上海汽车集团股份有限公司 | Parameter determination method and related device |
| CN113085830A (en) * | 2021-05-27 | 2021-07-09 | 中国第一汽车股份有限公司 | Engine starting control method and device, electronic equipment and storage medium |
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| CN104228843B (en) | 2016-12-07 |
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