CN109291911A - A kind of method for controlling speed regulation and device of engine - Google Patents
A kind of method for controlling speed regulation and device of engine Download PDFInfo
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- CN109291911A CN109291911A CN201811155804.3A CN201811155804A CN109291911A CN 109291911 A CN109291911 A CN 109291911A CN 201811155804 A CN201811155804 A CN 201811155804A CN 109291911 A CN109291911 A CN 109291911A
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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
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
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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
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- Automation & Control Theory (AREA)
- Mathematical Physics (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Control Of Transmission Device (AREA)
Abstract
This application provides a kind of method for controlling speed regulation of engine and devices, this method comprises: judging whether Vehicular shift starts；If so, obtaining the output shaft revolving speed and target gear transmission ratio of vehicle gear box；According to the output shaft revolving speed and the target gear transmission ratio, the rotating speed of target of engine is calculated；Obtain the actual speed of the engine；According to the actual speed and the rotating speed of target, the speed regulation torque of the engine is calculated；According to the speed regulation torque, auxiliary governor is carried out to the engine.The method for controlling speed regulation is according to output shaft revolving speed and target gear transmission ratio, calculate the rotating speed of target of engine, in conjunction with the actual speed of engine, calculate the speed regulation torque of engine, later according to speed regulation torque, auxiliary governor is carried out to the engine, improves response speed of the engine in gearshift procedure, solve engine because response speed is relatively slow cause long power interruption time, clutch abrasion and vehicle to rush the problems such as.
Description
Technical field
The present invention relates to technical field of engine control, more specifically to a kind of method for controlling speed regulation of engine
And device.
Background technique
In Full Vehicle System, since the inertia of engine is generally larger, in shifting up operation, engine needs reduction of speed,
The reduction of speed of engine relies primarily on nature reduction of speed, that is, relies on the mechanical resistance of engine, and the response speed of reduction of speed is slower.It is downshifting
In the process, engine needs to accelerate, and the response speed accelerated is also relatively slow.Since the response speed of engine will result in more slowly
The problems such as power interruption time length, clutch abrasion and vehicle are rushed.
So, the response speed for how improving the engine in gearshift procedure is that those skilled in the art are urgently to be resolved
Problem.
Summary of the invention
In view of this, to solve the above problems, the present invention provides the method for controlling speed regulation and device of a kind of engine, technology
Scheme is as follows:
A kind of method for controlling speed regulation of engine, the method for controlling speed regulation include:
Judge whether Vehicular shift starts；
If so, obtaining the output shaft revolving speed and target gear transmission ratio of vehicle gear box；
According to the output shaft revolving speed and the target gear transmission ratio, the rotating speed of target of engine is calculated；
Obtain the actual speed of the engine；
According to the actual speed and the rotating speed of target, the speed regulation torque of the engine is calculated；
According to the speed regulation torque, auxiliary governor is carried out to the engine.
Preferably, before the output shaft revolving speed and target gear transmission ratio for obtaining vehicle gear box, the speed regulation
Control method further include:
The torque of the engine is reduced；
Judge whether the torque of the engine is less than target torque value；
If so, the output shaft revolving speed and target gear transmission ratio for obtaining vehicle gear box is executed, the step for.
Preferably, before the output shaft revolving speed and target gear transmission ratio for obtaining vehicle gear box, the speed regulation
Control method further include:
By clutch separation；
Judge whether the position of the clutch is greater than target position；
If so, the output shaft revolving speed and target gear transmission ratio for obtaining vehicle gear box is executed, the step for.
Preferably, described according to the speed regulation torque, after carrying out auxiliary governor to the engine, the speed regulation control
Method processed further include:
Judge whether the absolute value of the difference of the rotating speed of target and the actual speed is less than preset calibrations value；
If it is not, the output shaft revolving speed and target gear transmission ratio for obtaining vehicle gear box is then executed, the step for；
If so, judging whether vehicle gear box gear shift is completed；
If vehicle gear box does not complete gear shift, returns to execute and described judge the rotating speed of target and the actual speed
Whether the absolute value of difference is less than preset calibrations value, the step for.
The present invention also provides a kind of speed-regulating control device of engine, the speed-regulating control device includes:
First judgment module, for judging whether Vehicular shift starts；If so, triggering first obtains module；
The first acquisition module is used to obtain the output shaft revolving speed and target gear transmission ratio of vehicle gear box；
First computing module, for calculating engine according to the output shaft revolving speed and the target gear transmission ratio
Rotating speed of target；
Second obtains module, for obtaining the actual speed of the engine；
Second computing module, for calculating the speed regulation of the engine according to the actual speed and the rotating speed of target
Torque；
Auxiliary governor module, for carrying out auxiliary governor to the engine according to the speed regulation torque.
Preferably, the speed-regulating control device further include: the first control module and the second judgment module；
When Vehicular shift starts, first control module is triggered, first control module by described for starting
The torque of machine reduces；
Second judgment module is for judging whether the torque of the engine is less than target torque value；
If so, triggering described first obtains module.
Preferably, the speed-regulating control device further include: the second control module and third judgment module；
When the torque of the engine is less than target torque value, second control module, second control are triggered
Module is used for clutch separation；
Third judgment module is for judging whether the position of the clutch is greater than target position；
If so, triggering described first obtains module.
Preferably, the speed-regulating control device further include: the 4th judgment module and the 5th judgment module；
Described according to the speed regulation torque, after carrying out auxiliary governor to the engine, the 4th judgement is triggered
Module, the 4th judgment module is for judging whether the absolute value of the difference of the rotating speed of target and the actual speed is less than
Preset calibrations value；
If it is not, then triggering described first obtains module；
If so, the 5th judgment module of triggering, the 5th judgment module is for judging whether vehicle gear box gear shift is complete
At；
If vehicle gear box does not complete gear shift, the 4th judgment module is triggered.
Compared to the prior art, what the present invention realized has the beneficial effect that
The method for controlling speed regulation calculates the rotating speed of target of engine according to output shaft revolving speed and target gear transmission ratio, then
In conjunction with the actual speed of engine, the speed regulation torque of engine is calculated, later according to speed regulation torque, the engine is carried out auxiliary
Speed regulation is helped, response speed of the engine in gearshift procedure is improved, engine is solved and causes to move because response speed is relatively slow
The problems such as power break period length, clutch abrasion and vehicle are rushed.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of flow diagram of the method for controlling speed regulation of engine provided in an embodiment of the present invention；
Fig. 2 is another flow diagram of the method for controlling speed regulation of engine provided in an embodiment of the present invention；
Fig. 3 is the another flow diagram of the method for controlling speed regulation of engine provided in an embodiment of the present invention；
Fig. 4 is the another flow diagram of the method for controlling speed regulation of engine provided in an embodiment of the present invention；
Fig. 5 is a kind of structural schematic diagram of the speed-regulating control device of engine provided in an embodiment of the present invention；
Fig. 6 is another structural schematic diagram of the speed-regulating control device of engine provided in an embodiment of the present invention；
Fig. 7 is the another structural schematic diagram of the speed-regulating control device of engine provided in an embodiment of the present invention；
Fig. 8 is the another structural schematic diagram of the speed-regulating control device of engine provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
With reference to Fig. 1, Fig. 1 is a kind of flow diagram of the method for controlling speed regulation of engine provided in an embodiment of the present invention,
The method for controlling speed regulation includes:
S101: judge whether Vehicular shift starts；
Specifically, the Vehicular shift includes improving automobile gear level and reduction automobile gear level.
S102: if so, obtaining the output shaft revolving speed and target gear transmission ratio of vehicle gear box；
Specifically, output shaft revolving speed is obtained by the sensor on automatic transmission for vehicles if Vehicular shift starts, with
And target gear transmission ratio, also referred to as target gear ratios are obtained by whole-control system；
If vehicle does not start gear shift, return step S101 persistently judges whether Vehicular shift starts.
S103: according to the output shaft revolving speed and the target gear transmission ratio, the rotating speed of target of engine is calculated；
S104: the actual speed of the engine is obtained；
Specifically, obtaining the actual speed of presently described engine by whole-control system.
S105: according to the actual speed and the rotating speed of target, the speed regulation torque of the engine is calculated；
Specifically, passing through PID (Proportion-Integration- according to the actual speed and the rotating speed of target
Differentiation, proportional integral differential) it adjusts, it calculates the engine and carries out auxiliary drive in gearshift procedure
Adjust the speed torque.
S106: according to the speed regulation torque, auxiliary governor is carried out to the engine.
Specifically, in embodiments of the present invention, including but not limited to using the motor of 24V or 48V according to the speed regulation
Torque carries out auxiliary speedup to the engine or assists reduction of speed, to improve response speed of the engine in gearshift procedure.
By the way of motor, have the advantage that
The torque responsive speed of motor quickly, can achieve 1Nm/ms, and overload factor is larger in a short time, controllability
It is high, it is easy to accomplish the adjusting of revolving speed and torque is easily achieved the adjusting of electronic (positive torque) and power generation (negative sense torque), because
This mode based on motor assist speed regulation, high degree improve response speed of the engine in gearshift procedure.
As can be seen from the above description, which calculates hair according to output shaft revolving speed and target gear transmission ratio
The rotating speed of target of motivation calculates the speed regulation torque of engine in conjunction with the actual speed of engine, the torque of foundation speed regulation later,
Auxiliary governor is carried out to the engine, response speed of the engine in gearshift procedure is improved, solves engine because of sound
The problems such as answering speed relatively slow and long power interruption time, clutch abrasion and vehicle caused to rush.
Based on the above embodiment of the present invention, in an alternative embodiment of the invention, mentioned with reference to Fig. 2, Fig. 2 for the embodiment of the present invention
Another flow diagram of the method for controlling speed regulation of the engine of confession, in the output shaft revolving speed and mesh for obtaining vehicle gear box
Before marking gear transmission ratio, the method for controlling speed regulation further include:
S107: the torque of the engine is reduced；
Specifically, the torque of the engine is reduced, prepare for clutch separation in gearshift procedure for vehicles, otherwise vehicle
Power train interrupted suddenly in driving torque will cause vehicle rush, power train impact vibration and the problems such as abnormal sound.
S108: judge whether the torque of the engine is less than target torque value；
Specifically, being ideally to reset the torque of engine, still, in vehicle operation, it is difficult to realize
The requirement, therefore target torque value is set as the case may be, the actual torque according to target torque value and engine is sentenced
It is disconnected.
If the torque of the engine is less than target torque value, S102 is thened follow the steps.
If the torque of the engine is not less than target torque value, return step S107 persistently starts described in reduction
The torque of machine, until meeting the requirements.
Based on the above embodiment of the present invention, in an alternative embodiment of the invention, mentioned with reference to Fig. 3, Fig. 3 for the embodiment of the present invention
The another flow diagram of the method for controlling speed regulation of the engine of confession, in the output shaft revolving speed and mesh for obtaining vehicle gear box
Before marking gear transmission ratio, the method for controlling speed regulation further include:
S109: by clutch separation；
Specifically, clutch separation is necessary condition, therefore clutch is separated, no in gearshift procedure for vehicles
The problems such as it will cause vehicle stalls.
S110: judge whether the position of the clutch is greater than target position；
Specifically, being only the best time of gear shift, therefore can basis when the position of clutch separation meets target position
Concrete condition sets target position, to target position and is not construed as limiting in embodiments of the present invention.
If the position of the clutch is greater than target position, S102 is thened follow the steps.
If the position of the clutch is not more than target position, S109 is thened follow the steps, clutch is persistently separated, until full
Foot requires.
Based on the above embodiment of the present invention, in an alternative embodiment of the invention, mentioned with reference to Fig. 4, Fig. 4 for the embodiment of the present invention
The another flow diagram of the method for controlling speed regulation of the engine of confession, described according to the speed regulation torque, to the engine
After carrying out auxiliary governor, the method for controlling speed regulation further include:
S111: judge whether the absolute value of the difference of the rotating speed of target and the actual speed is less than preset calibrations value；
Specifically, actual speed is ideally equal to rotating speed of target in gearshift procedure for vehicles, but due to various
The influence of factor is extremely difficult to the requirement, therefore, is less than the absolute value of the difference of the rotating speed of target and the actual speed
Preset calibrations value, so that it may think that engine speed is adjusted to meet target call.
It should be noted that the preset calibrations value can be depending on vehicle concrete condition, in embodiments of the present invention simultaneously
It is not construed as limiting.
If the absolute value of the difference of the rotating speed of target and the actual speed is not less than preset calibrations value, then follow the steps
S102；
If the absolute value of the difference of the rotating speed of target and the actual speed is less than preset calibrations value, then follow the steps
S112；
Step S112 is for judging whether vehicle gear box gear shift is completed；
If vehicle gear box does not complete gear shift, S111 is returned to step.
If vehicle gear box completes gear shift, S113 is thened follow the steps, the step S113 is used to combine clutch, and terminates
Process.
As can be seen from the above description, which calculates hair according to output shaft revolving speed and target gear transmission ratio
The rotating speed of target of motivation calculates the speed regulation torque of engine in conjunction with the actual speed of engine, the torque of foundation speed regulation later,
Auxiliary governor is carried out to the engine, response speed of the engine in gearshift procedure is improved, solves engine because of sound
The problems such as answering speed relatively slow and long power interruption time, clutch abrasion and vehicle caused to rush.
Based on the above-mentioned whole embodiments of the present invention, a kind of speed regulation of engine is additionally provided in an alternative embodiment of the invention
Control device, with reference to Fig. 5, Fig. 5 is a kind of structural schematic diagram of the speed-regulating control device of engine provided in an embodiment of the present invention；
The speed-regulating control device includes:
First judgment module 51, for judging whether Vehicular shift starts；If so, triggering first obtains module 52；
The first acquisition module 52 is used to obtain the output shaft revolving speed and target gear transmission ratio of vehicle gear box；
First computing module 53, for calculating engine according to the output shaft revolving speed and the target gear transmission ratio
Rotating speed of target；
Second obtains module 54, for obtaining the actual speed of the engine；
Second computing module 55, for calculating the tune of the engine according to the actual speed and the rotating speed of target
Fast torque；
Auxiliary governor module 56, for carrying out auxiliary governor to the engine according to the speed regulation torque.
It further, is another knot of the speed-regulating control device of engine provided in an embodiment of the present invention with reference to Fig. 6, Fig. 6
Structure schematic diagram；The speed-regulating control device further include: the first control module 61 and the second judgment module 62；
When Vehicular shift starts, first control module 61 is triggered, first control module 61 is used for will be described
The torque of engine reduces；
Second judgment module 62 is for judging whether the torque of the engine is less than target torque value；
If so, triggering described first obtains module 51.
It further, is the another knot of the speed-regulating control device of engine provided in an embodiment of the present invention with reference to Fig. 7, Fig. 7
Structure schematic diagram；The speed-regulating control device further include: the second control module 71 and third judgment module 72；
When the torque of the engine is less than target torque value, second control module 71, second control are triggered
Molding block 71 is used for clutch separation；
Third judgment module 72 is for judging whether the position of the clutch is greater than target position；
If so, triggering described first obtains module 51.
It further, is the another knot of the speed-regulating control device of engine provided in an embodiment of the present invention with reference to Fig. 8, Fig. 8
Structure schematic diagram；The speed-regulating control device further include: the 4th judgment module 81 and the 5th judgment module 82；
Described according to the speed regulation torque, after carrying out auxiliary governor to the engine, the 4th judgement is triggered
Module 81, whether the absolute value of difference of the 4th judgment module 81 for judging the rotating speed of target and the actual speed
Less than preset calibrations value；
If it is not, then triggering described first obtains module 51；
If so, the 5th judgment module 82 of triggering, the 5th judgment module 82 is for judging that vehicle gear box gear shift is
No completion；
If vehicle gear box does not complete gear shift, the 4th judgment module 81 is triggered.
If vehicle gear box completes gear shift, in conjunction with clutch, and terminate process.
It should be noted that the method for controlling speed regulation of the principle of the speed-regulating control device of the engine and the engine
Principle it is identical, details are not described herein.
The method for controlling speed regulation and device of a kind of engine provided by the present invention are described in detail above, herein
In apply that a specific example illustrates the principle and implementation of the invention, the explanation of above example is only intended to sides
Assistant solves method and its core concept of the invention；At the same time, for those skilled in the art, think of according to the present invention
Think, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not be construed as pair
Limitation of the invention.
It should be noted that all the embodiments in this specification are described in a progressive manner, each embodiment weight
Point explanation is the difference from other embodiments, and the same or similar parts between the embodiments can be referred to each other.
For the device disclosed in the embodiment, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, phase
Place is closed referring to method part illustration.
It should also be noted that, herein, relational terms such as first and second and the like are used merely to one
Entity or operation are distinguished with another entity or operation, without necessarily requiring or implying between these entities or operation
There are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to contain
Lid non-exclusive inclusion, so that the element that the process, method, article or equipment including a series of elements is intrinsic,
It further include either the element intrinsic for these process, method, article or equipments.In the absence of more restrictions,
The element limited by sentence "including a ...", it is not excluded that in the process, method, article or equipment including the element
In there is also other identical elements.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (8)
1. a kind of method for controlling speed regulation of engine, which is characterized in that the method for controlling speed regulation includes:
Judge whether Vehicular shift starts；
If so, obtaining the output shaft revolving speed and target gear transmission ratio of vehicle gear box；
According to the output shaft revolving speed and the target gear transmission ratio, the rotating speed of target of engine is calculated；
Obtain the actual speed of the engine；
According to the actual speed and the rotating speed of target, the speed regulation torque of the engine is calculated；
According to the speed regulation torque, auxiliary governor is carried out to the engine.
2. method for controlling speed regulation according to claim 1, which is characterized in that in the output shaft for obtaining vehicle gear box
Before revolving speed and target gear transmission ratio, the method for controlling speed regulation further include:
The torque of the engine is reduced；
Judge whether the torque of the engine is less than target torque value；
If so, the output shaft revolving speed and target gear transmission ratio for obtaining vehicle gear box is executed, the step for.
3. method for controlling speed regulation according to claim 2, which is characterized in that in the output shaft for obtaining vehicle gear box
Before revolving speed and target gear transmission ratio, the method for controlling speed regulation further include:
By clutch separation；
Judge whether the position of the clutch is greater than target position；
If so, the output shaft revolving speed and target gear transmission ratio for obtaining vehicle gear box is executed, the step for.
4. method for controlling speed regulation according to claim 1, which is characterized in that described according to the speed regulation torque, to institute
After stating engine progress auxiliary governor, the method for controlling speed regulation further include:
Judge whether the absolute value of the difference of the rotating speed of target and the actual speed is less than preset calibrations value；
If it is not, the output shaft revolving speed and target gear transmission ratio for obtaining vehicle gear box is then executed, the step for；
If so, judging whether vehicle gear box gear shift is completed；
If vehicle gear box does not complete gear shift, the difference for executing the judgement rotating speed of target and the actual speed is returned
Absolute value whether be less than preset calibrations value, the step for.
5. a kind of speed-regulating control device of engine, which is characterized in that the speed-regulating control device includes:
First judgment module, for judging whether Vehicular shift starts；If so, triggering first obtains module；
The first acquisition module is used to obtain the output shaft revolving speed and target gear transmission ratio of vehicle gear box；
First computing module, for calculating the target of engine according to the output shaft revolving speed and the target gear transmission ratio
Revolving speed；
Second obtains module, for obtaining the actual speed of the engine；
Second computing module, for calculating the speed regulation torque of the engine according to the actual speed and the rotating speed of target；
Auxiliary governor module, for carrying out auxiliary governor to the engine according to the speed regulation torque.
6. speed-regulating control device according to claim 5, which is characterized in that the speed-regulating control device further include: first
Control module and the second judgment module；
When Vehicular shift starts, first control module is triggered, first control module is used for the engine
Torque reduces；
Second judgment module is for judging whether the torque of the engine is less than target torque value；
If so, triggering described first obtains module.
7. speed-regulating control device according to claim 8, which is characterized in that the speed-regulating control device further include: second
Control module and third judgment module；
When the torque of the engine is less than target torque value, second control module, second control module are triggered
For by clutch separation；
Third judgment module is for judging whether the position of the clutch is greater than target position；
If so, triggering described first obtains module.
8. method for controlling speed regulation according to claim 6, which is characterized in that the speed-regulating control device further include: the 4th
Judgment module and the 5th judgment module；
Described according to the speed regulation torque, after carrying out auxiliary governor to the engine, the 4th judgment module is triggered,
4th judgment module is default for judging whether the absolute value of the difference of the rotating speed of target and the actual speed is less than
Calibration value；
If it is not, then triggering described first obtains module；
If so, the 5th judgment module of triggering, the 5th judgment module is for judging whether vehicle gear box gear shift is completed；
If vehicle gear box does not complete gear shift, the 4th judgment module is triggered.
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| CN201811155804.3A CN109291911B (en) | 2018-09-30 | 2018-09-30 | Speed regulation control method and device for engine |
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| CN201811155804.3A CN109291911B (en) | 2018-09-30 | 2018-09-30 | Speed regulation control method and device for engine |
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| CN109291911B CN109291911B (en) | 2021-08-20 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110588624A (en) * | 2019-09-25 | 2019-12-20 | 一汽解放青岛汽车有限公司 | Speed regulation method for hybrid electric vehicle engine |
| CN112498331A (en) * | 2019-08-26 | 2021-03-16 | 上海汽车集团股份有限公司 | Control method and device for vehicle gear shifting and speed regulating |
| CN113124146A (en) * | 2021-03-22 | 2021-07-16 | 福建万润新能源科技有限公司 | Gear shifting control method based on DAT gearbox |
| CN114001154A (en) * | 2021-11-09 | 2022-02-01 | 东风汽车集团股份有限公司 | Control method for gear shifting target rotating speed |
| CN114165584A (en) * | 2021-11-05 | 2022-03-11 | 潍柴动力股份有限公司 | AMT gearbox, gear shifting control method and device of AMT gearbox and medium |
| CN114407864A (en) * | 2022-01-26 | 2022-04-29 | 浙江吉利控股集团有限公司 | Hybrid vehicle, mode switching control method and device thereof, and storage medium |
| CN114962493A (en) * | 2022-06-01 | 2022-08-30 | 潍柴动力股份有限公司 | Method and apparatus for controlling PTO clutch, and computer program product |
| CN115031018A (en) * | 2022-05-09 | 2022-09-09 | 潍柴动力股份有限公司 | Method, device, processor and tractor for adjusting transmission ratio of gearbox |
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| CN114165584A (en) * | 2021-11-05 | 2022-03-11 | 潍柴动力股份有限公司 | AMT gearbox, gear shifting control method and device of AMT gearbox and medium |
| CN114001154B (en) * | 2021-11-09 | 2022-12-09 | 东风汽车集团股份有限公司 | Control method for gear shifting target rotating speed |
| CN114001154A (en) * | 2021-11-09 | 2022-02-01 | 东风汽车集团股份有限公司 | Control method for gear shifting target rotating speed |
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| CN114962493B (en) * | 2022-06-01 | 2024-03-19 | 潍柴动力股份有限公司 | PTO clutch control method and device, and computer program product |
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