CN106240497B - A kind of driving operating mode's switch method - Google Patents
A kind of driving operating mode's switch method Download PDFInfo
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- CN106240497B CN106240497B CN201610746226.5A CN201610746226A CN106240497B CN 106240497 B CN106240497 B CN 106240497B CN 201610746226 A CN201610746226 A CN 201610746226A CN 106240497 B CN106240497 B CN 106240497B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
- B60R16/0232—Circuits relating to the driving or the functioning of the vehicle for measuring vehicle parameters and indicating critical, abnormal or dangerous conditions
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- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The present invention provides a kind of driving operating mode's switch method, comprising: step S1 obtains the vehicle signal of driving operating condition for identification respectively, and the vehicle signal includes vehicle speed, engine speed, gas pedal aperture, gear and vehicle longitudinal acceleration；Step S2 identifies the current driving operating condition of vehicle according to the vehicle signal of acquisition.The present invention is more objective to the identification of vehicle driving operating condition, reasonable, provides convenience for the evaluation of subsequent vehicle driving, optimization.
Description
Technical field
Automobile technical field of the present invention more particularly to a kind of driving operating mode's switch method.
Background technique
Driving operating mode's switch is the basis of driving evaluation and optimization.Current each motor corporation generallys use existing warp
It tests or the suggestion of consulting firm's offer defines and identification driving operating condition, it is most of based on subjective identify.Existing driving
Property operating mode's switch method have the following problems: without objective operating mode's switch method, generally identify operating condition by experience.
Summary of the invention
Technical problem to be solved by the present invention lies in, a kind of driving operating mode's switch method is provided, it can be more objective
Reasonably identify vehicle driving operating condition.
In order to solve the above technical problem, the present invention provides a kind of driving operating mode's switch methods, comprising:
Step S1, obtains the vehicle signal of driving operating condition for identification respectively, the vehicle signal include vehicle speed,
Engine speed, gas pedal aperture, gear and vehicle longitudinal acceleration；
Step S2 identifies the current driving operating condition of vehicle according to the vehicle signal of acquisition.
Wherein, the driving operating condition includes: engine start operating condition, engine misses operating condition, idling operation, empty throttle
Response operating condition, starting operating condition, at the uniform velocity operating condition, accelerating mode, decelerating mode, shift operating condition, anxious operating condition and the anxious pine tar of stepping on the gas
Door operating condition.
Wherein, the step S2 is specifically included:
According to the engine rotational speed signal that the step S1 is obtained, when engine speed reaches revolving speed judgment threshold, mark
Remember the moment as initial time, then by from the initial time after the first setting time engine speed with it is described
Revolving speed judgment threshold is compared, and if it is greater than the judgment threshold, then engine start operating condition is identified as, if it is less than described
Judgment threshold is then identified as engine misses operating condition.
Wherein, if the engine speed from the initial time after the first setting time judges greater than the revolving speed
Threshold value, and neutral gear position is not at according to the shift signal current shift that the step S1 is obtained, then it is identified as engine certainly
Dynamic state of starting operating；If the engine speed from the initial time after the first setting time, which is greater than the revolving speed, judges threshold
Value, and neutral gear position is according to the shift signal current shift that the step S1 is obtained, then it is identified as engine and rises manually
It starts building condition.
Wherein, if the engine speed from the initial time after the first setting time judges less than the revolving speed
Threshold value, and at least continue the second setting time, and sky is not at according to the shift signal current shift that the step S1 is obtained
Gear is set, then is identified as engine auto extinguishing operating condition；If started after the first setting time from the initial time
Machine revolving speed is less than the revolving speed judgment threshold, and at least continues the second setting time, and the gear obtained according to the step S1
Position signal current shift is in neutral gear position, then is identified as engine flame-out operating condition manually.
Wherein, the step S2 is specifically included:
According to engine speed, gas pedal aperture and shift signal that the step S1 is obtained, if engine turns
Speed is stablized and maintains that third setting time, gas pedal aperture are zero and gear is in neutral gear position, then is identified as idling work
Condition.
Wherein, if engine speed fluctuations are in revolving speed range of tolerable variance, it is determined as engine peed stable, it is described
Revolving speed range of tolerable variance is ± 30rpm.
Wherein, the step S2 is specifically included:
According to engine speed, gas pedal aperture and shift signal that the step S1 is obtained, if engine turns
Speed from idling speed rises to maximum speed, gear is in neutral gear position and gas pedal aperture change rate be more than or equal to 100%,
Then it is identified as sky throttle response operating condition.
Wherein, the step S2 is specifically included:
According to speed, gas pedal aperture and shift signal that the step S1 is obtained, if gear is not at neutral gear
Position, gas pedal aperture be zero and remain unchanged and speed from zero progressively increase to be greater than speed limit value, then be identified as
Walk the wriggling operating condition in operating condition.
Wherein, the step S2 is specifically included:
According to speed, gas pedal aperture and shift signal that the step S1 is obtained, if gear is not at neutral gear
Position, gas pedal aperture are greater than zero and speed progressively increases to be greater than speed limit value from zero, then are identified as in starting operating condition
Normal starting operating condition.
Wherein, the step S2 is specifically included:
According to speed, gas pedal aperture and shift signal that the step S1 is obtained, if gear is not at neutral gear
Position, speed keep constant and continue third setting time and gas pedal aperture is kept constant and continue third setting when
Between, then it is identified as at the uniform velocity operating condition.
Wherein, if speed variation is judged as that speed is kept constant, the speed tolerance in speed range of tolerable variance
Range is ± 3km/h.
Wherein, the step S2 is specifically included:
According to speed, gas pedal aperture, gear and vehicle longitudinal acceleration signal that the step S1 is obtained, if
Gear be not at neutral gear position, gas pedal initial opening be greater than 0, gas pedal aperture change rate be greater than 0 less than 100% and
Vehicle longitudinal acceleration is greater than 0, then is identified as accelerating mode.
Wherein, the step S2 is specifically included:
According to speed, gas pedal aperture, gear and vehicle longitudinal acceleration signal that the step S1 is obtained, if
Gear be not at neutral gear position, gas pedal initial opening be greater than 0, gas pedal aperture change rate be greater than 0 less than 100% and
Vehicle longitudinal acceleration is then identified as decelerating mode less than 0.
Wherein, the step S1 further includes obtaining brake pedal opening amount signal, and the step S2 further comprises: described
Under decelerating mode, if brake pedal aperture is zero, it is identified as coastdown operating condition；If brake pedal aperture is greater than zero,
Then it is identified as braking deceleration operating condition.
Wherein, the step S2 is specifically included:
According to the step S1 obtain gas pedal aperture and shift signal, if gear be not at neutral gear position and
It does not change, and accelerator pedal aperture change rate is more than or equal to 100%, is then identified as anxious operating condition of stepping on the gas.
Wherein, the step S2 is specifically included:
According to the step S1 obtain gas pedal aperture and shift signal, if gear be not at neutral gear position and
It does not change, and accelerator releasing pedal opening change rate is more than or equal to 100%, then is identified as anxious accelerator releasing operating condition.
Wherein, the step S2 is specifically included:
According to the step S1 gear obtained and speed signal, if gear is not at neutral gear position and becomes
Change, while speed is greater than zero, is then identified as shift operating condition.
The beneficial effect of the embodiment of the present invention is: the vehicle signal acquisition approach and mode of driving operating condition for identification
It is very simple, it is more objective, reasonable to the identification of vehicle driving operating condition, it is provided for the evaluation of subsequent vehicle driving, optimization
It is convenient.
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
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of flow diagram of driving operating mode's switch method of the embodiment of the present invention.
Specific embodiment
The explanation of following embodiment be with reference to attached drawing, can be to the specific embodiment implemented to the example present invention.
It please refers to shown in Fig. 1, the embodiment of the present invention provides a kind of driving operating mode's switch method, comprising:
Step S1, obtains the vehicle signal of driving operating condition for identification respectively, the vehicle signal include vehicle speed,
Engine speed, gas pedal aperture, gear and vehicle longitudinal acceleration；
Step S2 identifies the current driving operating condition of vehicle according to the vehicle signal of acquisition.
Specifically, in the present embodiment step S1, the vehicle signal that driving operating mode's switch process needs includes: vehicle velocity V,
Engine speed n, gas pedal aperture Gasped, brake pedal aperture Breakped, gear G and vehicle longitudinal acceleration
Acc.Certainly, for the identification of each driving operating condition, aforementioned all vehicle signals not are needed simultaneously, but according to these
Certain in vehicle signal is several, hereinafter by each driving operating condition identification and its required vehicle signal be described in detail respectively.
Under normal circumstances, each automobile research enterprise can be from onboard diagnostic system OBD (On-board
Diagnostics) mouth directly obtains the above-mentioned signal of exploitation vehicle.And for mark vehicle, (competing product vehicle has been listed
With reference to vehicle), above-mentioned coherent signal cannot be directly collected, needs to build hardware test platform, example by some external equipments
Such as data collection system and coherent signal sensor, sensor frequency require to be not less than 100Hz.No matter obtained based on that mode
Coherent signal is obtained, will guarantee the real-time, accuracy and integrality of data, loss of data, concrete signal acquisition cannot be generated
Process the present embodiment does not repeat them here.
Signified driving operating condition in step S2, including following 11 kinds:
Engine start operating condition: engine condition is from static to the process of normal operation；
Engine misses operating condition: engine condition is from running well static process；
Idling operation: after engine start, when neutral gear position gas pedal aperture is zero, stabilization of speed is operated；
Empty throttle responds operating condition: after engine start, gas pedal is floored under idling mode process；
Start to walk operating condition: after engine start, it is (general that speed begins to exceed a certain speed limit value from 0 kilometer/hour (km/h)
Be set as 15km/h) process；
At the uniform velocity operating condition: under gear state, accelerator pedal position is constant and speed remains unchanged within a certain period of time；
Accelerating mode: under gear state, slow accelerator pedal and vehicle are in the process of acceleration mode；
Decelerating mode: under gear state, slow accelerator releasing pedal and vehicle are in the process of deceleration regime；
Shift operating condition: under non-neutral position state, transmission gear (speed ratio) changes；
Suddenly step on the gas operating condition: in gear and non-shift process, anxious accelerator pedal vehicle is in acceleration mode；
Anxious accelerator releasing operating condition: in gear and non-shift process, anxious accelerator releasing pedal vehicle is in deceleration regime.
(1) engine start operating condition and flame-out operating condition
Engine start operating condition and flame-out operating condition all have apparent revolving speed feature, during starting or is flame-out, start
Machine revolving speed just will appear lower than 300rpm(Revolutions Per minute, rev/min) following situation, so first
Condition of the engine speed judgment threshold N as judgement is set, wherein N≤300rpm, is needed according to the actual situation when threshold value N is set
Setting, in case sample frequency is too low during flame-out cannot recognize the tachometer value.Then when engine speed reaches N,
It marks moment t as initial time, and is obtained from initial time t and plays the engine after the first setting time △ t turn
Fast n, if n>N, as engine start operating condition, if n<N, for engine misses operating condition, wherein the △ t time cannot be too
It is small, if the value is too small, erroneous judgement may be generated in the case where sample frequency is low, under normal circumstances, the setting △ t time is not small
In the half in sampling period.
According to the difference of start mode, engine start operating condition is divided into two promoter operating conditions: automatic state of starting operating and hand
Dynamic state of starting operating:
Automatic state of starting operating refers generally to automatic starting of the vehicle with start-stop function under flameout state, identifies condition
Include:
A. gear G is not at neutral gear position；
B. engine speed n > N after the △ t time；
When two conditions of above-mentioned a, b meet simultaneously, then automatic engine start operating condition is identified as.
The identification condition of manual starting operating condition includes:
A. gear G is in neutral gear position；
B. engine speed n > N after the △ t time；
When two conditions of above-mentioned a, b meet simultaneously, then engine manual starting operating condition is identified as.
By upper it can also be seen that the difference of automatic state of starting operating and manual starting operating condition is whether gear G is in neutral gear
Position.
Similarly, according to the difference of flame-out mode, engine misses operating condition is divided into two sub- operating conditions of stopping working: automatic extinguishing firer
Condition and manually flame-out operating condition:
Auto extinguishing operating condition refers generally to auto extinguishing of the vehicle with start-stop function under start-stop state, identifies condition
Include:
A. gear G is not at neutral gear position；
B. engine speed n < N after the △ t time；
C. engine speed drop to N hereinafter, and at least continue the second setting time (such as 0.5 second, to guarantee to put out completely
Fire)；
When tri- conditions of above-mentioned a, b, c meet simultaneously, then engine auto extinguishing operating condition is identified as.
The identification condition of flame-out operating condition includes: manually
A. gear G is in neutral gear position；
B. engine speed n < N after the △ t time；
C. engine speed drop to N hereinafter, and at least continue the second setting time (such as 0.5 second, to guarantee to put out completely
Fire)；
When tri- conditions of above-mentioned a, b, c meet simultaneously, then engine flame-out operating condition manually is identified as.
By upper it can also be seen that auto extinguishing operating condition and the manually difference of flame-out operating condition are whether gear G is in neutral gear
Position.
(2) idling operation
After idling operation refers to engine start, the stabilization of speed when neutral gear position gas pedal aperture is zero, so should
Operating mode's switch needs tri- signals of gear G, gas pedal aperture Gasped and engine speed n.
The identification condition of idling operation are as follows:
A. engine peed stable and third setting time (generally 1-2 seconds) is maintained；
B. gas pedal aperture is zero；
C. gear G is in neutral gear position；
When tri- conditions of above-mentioned a, b, c meet simultaneously, then idling operation is identified as.
It should be noted that need to be arranged certain range of tolerable variance to the judgement of engine peed stable, in the present embodiment,
Engine speed fluctuations are when within ± 30rpm, it is possible to determine that engine speed is in stabilization of speed state without obvious fluctuation.
(3) empty throttle responds operating condition
Empty throttle response operating condition refers to that after the engine is started up the process that gas pedal is floored under idling mode is practical
On be equivalent to the further identification under idling operation.The operating mode's switch needs gear G, gas pedal aperture Gasped and hair
Tri- signals of motivation revolving speed n.
The identification condition of empty throttle response operating condition includes:
A. gear G is located at neutral gear position；
B. gas pedal aperture change rate is more than or equal to 100%；
C. engine speed rises to maximum speed from idling speed；
When tri- conditions of above-mentioned a, b, c meet simultaneously, then sky throttle response operating condition is identified as.
(4) start to walk operating condition
Starting operating condition refers to that after the engine is started up speed begins to exceed a certain speed limit value from 0km/h and (is generally set to
Process 15km/h).The restrictive condition of the operating mode's switch is less, as long as speed is started from scratch, gear and throttle are stepped on
Plate does not clearly require, which needs gear G, gas pedal Gasped and speed V signal, according to gear and
Accelerator pedal position can be divided into following a few seed operating conditions:
Wriggling operating condition, identification condition include:
A. gear G is not at neutral gear position；
B. gas pedal aperture is zero and remains unchanged；
C. vehicle velocity V progressively increases to be greater than speed limit value v from zero, and wherein speed limit value v is generally set to 15km/h.
When tri- conditions of above-mentioned a, b, c meet simultaneously, then wriggling operating condition is identified as.
Normal starting operating condition, identification condition include:
A. gear G is not at neutral gear position；
B. gas pedal aperture Gasped > 0；
C. vehicle velocity V progressively increases to be greater than speed limit value v from 0km/h, and wherein speed limit value v is generally set to 15km/h.
Above-mentioned a, b are then identified as the operating condition that normally starts to walk when tri- conditions of c meet simultaneously.
By upper it can also be seen that the main distinction of wriggling operating condition and normal starting operating condition is whether to step on oil in starting-up process
Door pedal (whether gas pedal aperture is zero).
(5) at the uniform velocity operating condition
At the uniform velocity refer to that speed is kept in the 4th setting time in the case that accelerator pedal position is constant under gear state
Constant operating condition.The operating mode's switch process needs gear G, gas pedal Gasped and speed V signal.
The identification condition of at the uniform velocity operating condition includes:
A. gear G is not at neutral gear position, refers generally to forward gear；
B. vehicle velocity V is kept constant；
C. gas pedal aperture Gasped is kept constant；
D. continue third setting time T, be generally set to 3 ~ 5 seconds.
When tetra- conditions of above-mentioned a, b, c, d meet simultaneously, then at the uniform velocity operating condition is identified as.
It should be noted that needing that range of tolerable variance is arranged to vehicle velocity V, because from the signal of acquisition in identification process
From the point of view of, it is relatively difficult that vehicle velocity V, which keeps absolutely constant, so general vehicle velocity V is construed as vehicle in ± 3km/h variation
Speed is kept constant.
(6) accelerating mode
Accelerating mode refers under gear state, and slow accelerator pedal and vehicle are in the process of acceleration mode.It is slow to step on oil
Door pedal refers to that gas pedal aperture unit time change rate is greater than 0 and less than 100%.The operating mode's switch process needs gear G, oil
Door pedal Gasped, vehicle velocity V and vehicle longitudinal acceleration Acc signal.
The identification condition of accelerating mode includes:
A. gear G is not at neutral gear position；
B. gas pedal initial opening is greater than 0；
C. gas pedal aperture change rate is greater than 0 less than 100%；
D. vehicle longitudinal acceleration Acc is greater than 0.
When tetra- conditions of above-mentioned a, b, c, d meet simultaneously, then accelerating mode is identified as.
(7) decelerating mode
Decelerating mode refers under gear state, and slow accelerator releasing pedal and vehicle are in the process of deceleration regime.With acceleration work
Condition is similar, and slow accelerator releasing pedal refers to that gas pedal aperture unit time change rate is greater than 0 and less than 100%.The operating mode's switch process
Need gear G, gas pedal Gasped, brake pedal Breakped, vehicle velocity V and vehicle acceleration A cc signal.
The Rule of judgment of decelerating mode includes:
A. gear G is not at neutral gear position；
B. gas pedal initial opening is greater than 0；
C. gas pedal aperture change rate is greater than 0 less than 100%；
D. vehicle longitudinal acceleration Acc is less than 0.
When tetra- conditions of above-mentioned a, b, c, d meet simultaneously, then decelerating mode is identified as.
Further, whether brake pedal is stepped on according in moderating process, is further divided into coastdown operating condition and braking subtracts
Fast operating condition: if meeting e. brake pedal aperture simultaneously is zero, it is identified as coastdown operating condition；Or if meet e. simultaneously
Brake pedal aperture is greater than zero, then is identified as braking deceleration operating condition.
(8) anxious operating condition of stepping on the gas
Operating condition of suddenly stepping on the gas refers to that in gear and non-shift process, anxious accelerator pedal makes vehicle be in acceleration mode.Its
Middle gear cannot change and gas pedal aperture change rate is greater than 100%.The operating mode's switch process needs gear G, throttle to step on
Plate Gasped signal.
The identification condition of operating condition of suddenly stepping on the gas includes:
A. gear G is not at neutral gear position and does not change；
B. accelerator pedal aperture change rate is more than or equal to 100%.
When two conditions of above-mentioned a, b meet simultaneously, then anxious operating condition of stepping on the gas is identified as.
(9) anxious accelerator releasing operating condition
Anxious accelerator releasing operating condition refers to that in gear and non-shift process, anxious accelerator releasing pedal makes vehicle be in deceleration regime.Its
Middle gear cannot change and gas pedal aperture change rate is greater than 100%.The operating mode's switch process needs gear G, throttle to step on
Plate Gasped signal.
The identification condition of anxious accelerator releasing operating condition includes:
A. gear G is not at neutral gear position and does not change；
B. accelerator releasing pedal opening change rate is more than or equal to 100%.
When two conditions of above-mentioned a, b meet simultaneously, then anxious accelerator releasing operating condition is identified as.
(10) shift operating condition
Shift operating condition refers under non-neutral position state that transmission gear ratio changes, and is often referred to changing in traveling process
Gear, rather than the shift under stationary state.
Shift operating condition identification condition include:
A. gear G is not at neutral gear position；
B. gear G changes；
C. vehicle velocity V is greater than zero.
When tri- conditions of above-mentioned a, b, c meet simultaneously, then shift operating condition is identified as.
By above description it is found that bring beneficial effect of the present invention is, the vehicle of driving operating condition is believed for identification
Number acquiring way and mode are very simple, more objective, reasonable to the identification of vehicle driving operating condition, are subsequent vehicle driving
Evaluation, optimization are provided convenience.
The above disclosure is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, therefore equivalent changes made in accordance with the claims of the present invention, is still within the scope of the present invention.
Claims (15)
1. a kind of driving operating mode's switch method, comprising:
Step S1, obtains the vehicle signal of driving operating condition for identification respectively, and the vehicle signal includes vehicle speed, starts
Machine revolving speed, gas pedal aperture, gear and vehicle longitudinal acceleration；
Step S2, according to the engine rotational speed signal that the step S1 is obtained, when engine speed reaches revolving speed judgment threshold,
Mark the moment as initial time, then by from the initial time after the first setting time engine speed and institute
Revolving speed judgment threshold is stated to be compared:
If the engine speed from the initial time after the first setting time is greater than the revolving speed judgment threshold, and
It is not at neutral gear position according to the shift signal current shift that the step S1 is obtained, then is identified as automatic engine start work
Condition；If the engine speed from the initial time after the first setting time is greater than the revolving speed judgment threshold, and
It is in neutral gear position according to the shift signal current shift that the step S1 is obtained, then is identified as engine manual starting operating condition；
If the engine speed from the initial time after the first setting time is less than the revolving speed judgment threshold, and extremely
Continue the second setting time less, and neutral gear position is not at according to the shift signal current shift that the step S1 is obtained, then
It is identified as engine auto extinguishing operating condition；If the engine speed from the initial time after the first setting time is less than
The revolving speed judgment threshold, and at least continue the second setting time, and current according to the shift signal that the step S1 is obtained
Gear is in neutral gear position, then is identified as engine flame-out operating condition manually.
2. driving operating mode's switch method according to claim 1, which is characterized in that the driving operating condition includes: hair
Engine start operating condition, engine misses operating condition, idling operation, empty throttle response operating condition, starting operating condition, at the uniform velocity operating condition, acceleration work
Condition, decelerating mode, shift operating condition, anxious operating condition and the anxious accelerator releasing operating condition of stepping on the gas.
3. driving operating mode's switch method according to claim 2, which is characterized in that the step S2 is specifically included:
According to engine speed, gas pedal aperture and shift signal that the step S1 is obtained, if engine speed is steady
Determine and maintain that third setting time, gas pedal aperture are zero and gear is in neutral gear position, is then identified as idling operation.
4. driving operating mode's switch method according to claim 3, which is characterized in that if engine speed fluctuations are in
In revolving speed range of tolerable variance, then it is determined as engine peed stable, the revolving speed range of tolerable variance is ± 30rpm.
5. driving operating mode's switch method according to claim 2, which is characterized in that the step S2 is specifically included:
According to the step S1 obtain engine speed, gas pedal aperture and shift signal, if engine speed from
Idling speed rises to maximum speed, gear is in neutral gear position and gas pedal aperture change rate is more than or equal to 100%, then knows
It Wei not empty throttle response operating condition.
6. driving operating mode's switch method according to claim 2, which is characterized in that the step S2 is specifically included:
According to the step S1 obtain speed, gas pedal aperture and shift signal, if gear be not at neutral gear position,
Gas pedal aperture be zero and remain unchanged and speed from zero progressively increase to be greater than speed limit value, then be identified as starting operating condition
In wriggling operating condition.
7. driving operating mode's switch method according to claim 2, which is characterized in that the step S2 is specifically included:
According to the step S1 obtain speed, gas pedal aperture and shift signal, if gear be not at neutral gear position,
Gas pedal aperture is greater than zero and speed progressively increases to be greater than speed limit value from zero, then is identified as normal in starting operating condition
Start to walk operating condition.
8. driving operating mode's switch method according to claim 2, which is characterized in that the step S2 is specifically included:
According to the step S1 obtain speed, gas pedal aperture and shift signal, if gear be not at neutral gear position,
Speed keeps constant and continues third setting time and gas pedal aperture keeps constant and continue third setting time, then knows
It Wei not at the uniform velocity operating condition.
9. driving operating mode's switch method according to claim 8, which is characterized in that if speed variation is held in speed
In poor range, then it is judged as that speed is kept constant, the speed range of tolerable variance is ± 3km/h.
10. driving operating mode's switch method according to claim 2, which is characterized in that the step S2 is specifically included:
According to speed, gas pedal aperture, gear and vehicle longitudinal acceleration signal that the step S1 is obtained, if gear
It is not at neutral gear position, gas pedal initial opening is greater than 0, gas pedal aperture change rate and is greater than 0 less than 100% and vehicle
Longitudinal acceleration is greater than 0, then is identified as accelerating mode.
11. driving operating mode's switch method according to claim 2, which is characterized in that the step S2 is specifically included:
According to speed, gas pedal aperture, gear and vehicle longitudinal acceleration signal that the step S1 is obtained, if gear
It is not at neutral gear position, gas pedal initial opening is greater than 0, gas pedal aperture change rate and is greater than 0 less than 100% and vehicle
Longitudinal acceleration is then identified as decelerating mode less than 0.
12. driving operating mode's switch method according to claim 11, which is characterized in that the step S1 further includes obtaining
Brake pedal opening amount signal, the step S2 further comprises: under the decelerating mode, if brake pedal aperture is zero,
Then it is identified as coastdown operating condition；If brake pedal aperture is greater than zero, it is identified as braking deceleration operating condition.
13. driving operating mode's switch method according to claim 2, which is characterized in that the step S2 is specifically included:
According to the step S1 gas pedal aperture obtained and shift signal, if gear is not at neutral gear position and does not send out
Changing, and accelerator pedal aperture change rate is more than or equal to 100%, then is identified as anxious operating condition of stepping on the gas.
14. driving operating mode's switch method according to claim 2, which is characterized in that the step S2 is specifically included:
According to the step S1 gas pedal aperture obtained and shift signal, if gear is not at neutral gear position and does not send out
Changing, and accelerator releasing pedal opening change rate is more than or equal to 100%, then is identified as anxious accelerator releasing operating condition.
15. driving operating mode's switch method according to claim 2, which is characterized in that the step S2 is specifically included:
According to the step S1 gear obtained and speed signal, if gear is not at neutral gear position and changes, together
When speed be greater than zero, then be identified as shift operating condition.
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| CN108327503B (en) * | 2017-01-20 | 2019-12-20 | 比亚迪股份有限公司 | Hybrid electric vehicle and active vibration damping control method and device thereof |
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