CN104924986B - Gear shifting reminding method of hybrid electric vehicle - Google Patents
Gear shifting reminding method of hybrid electric vehicle Download PDFInfo
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- CN104924986B CN104924986B CN201510395903.9A CN201510395903A CN104924986B CN 104924986 B CN104924986 B CN 104924986B CN 201510395903 A CN201510395903 A CN 201510395903A CN 104924986 B CN104924986 B CN 104924986B
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Abstract
The invention relates to the technical field of hybrid electric vehicles, in particular to a gear shifting reminding method of a hybrid electric vehicle. The method comprises the steps that under the condition of meeting a gear shifting activation condition, the running parameters of the hybrid electric vehicle are obtained, and comprise the current vehicle speed, the current engine rotating speed, the current engine output torque and the current motor output torque; the current gear value is calculated according to the proportional relation between the current vehicle speed and the current engine rotating speed; upshift target vehicle speed and down-shift target vehicle speed corresponding to the current gear value are determined through the sum of the current engine output torque and the current motor output torque; if the current vehicle speed is larger than the upshift target vehicle speed, a user is reminded of upshift information; and if the current vehicle speed is smaller than the down-shift target vehicle speed, the user is reminded of down-shift information. By means of the method, optimal fuel economy gear recommendation is carried out, and a driver is helped to achieve the aim of improving the fuel economy of the hybrid electric vehicle.
Description
Technical field
The present invention relates to Development of HEV Technology field, and in particular to a kind of hybrid vehicle gearshift prompting side
Method.
Background technology
In today's society, the 25% of CO2 emissions comes from motor vehicle emission, therefore, with automobile increasingly general
And, energy-saving and emission-reduction of the automotive energy-saving emission-reducing to entire society have important meaning.
As the measure of countries in the world environmental conservation is more and more stricter, hybrid electric vehicle is more and more applied,
The fuel consumption for how preferably reducing hybrid electric vehicle will be the main bugbear for facing.Driving manual gear hybrid electric vehicle
When, as the technology that driver improves energy-conservation is less, and abecedarian cannot grasp suitable gearshift opportunity, and this will cause vehicle
Optimal fuel consumption cannot be operated in interval interior, it is so as to mean more fuel consumptions, more to discharge.
The content of the invention
The reminding method the invention provides a kind of hybrid vehicle is shifted gears, to realize that optimal fuel economy gear is recommended
Purpose.
A kind of hybrid vehicle gearshift reminding method, it is characterised in that include：
In the case where gearshift activation condition is met：
The operational factor of hybrid electric vehicle is obtained, wherein, the operational factor includes that current vehicle speed, present engine turn
Speed, present engine output torque and current motor output torque；
Current shift value is calculated by the proportionate relationship between the current vehicle speed and the present engine rotating speed；
By the present engine output torque and the current motor output torque sum, the current shift value is determined
Corresponding upshift target vehicle speed and downshift target vehicle speed；
If the current vehicle speed is more than the upshift target vehicle speed, upshift information is pointed out；
If the current vehicle speed is less than the downshift target vehicle speed, downshift information is pointed out.
Preferably, the gearshift activation condition includes：
Igniter in ON states, the current vehicle speed in the first vehicle speed range, the current shift be not at sky
Gear or reverse gear, vehicle is not at cruise pattern, vehicle and is not at body electronics stabilisation systemss state, vehicle being not at preventing
Antilock brake system state, brake pedal are not stepped on, clutch is not stepped on, accelerator pedal is stepped on.
Preferably, methods described also includes：
After brake pedal is stepped on, the corresponding economic goal speed of the current shift value is determined, if the current vehicle
Speed is less than the economic goal speed, then point out downshift information.
Preferably, methods described includes：
The upshift target vehicle speed is obtained by inquiring about upshift speedometer, the upshift speedometer is used for reflecting that electromotor is defeated
Go out corresponding relation between moment of torsion and motor output torque sum, gear value, upshift target vehicle speed three；
The downshift target vehicle speed is obtained by inquiring about downshift speedometer, the downshift speedometer is used for reflecting that electromotor is defeated
Go out corresponding relation between moment of torsion and motor output torque sum, gear value, downshift target vehicle speed three.
Preferably, the operational factor also includes：Current throttle pedal aperture, current atmospheric pressure and current hill grade
Value；
Methods described also includes：
After it is determined that the current shift is worth corresponding upshift target vehicle speed and downshift target vehicle speed, according to current throttle
Pedal aperture, current atmospheric pressure and current hill grade value, are modified process to the upshift target vehicle speed, and to amendment after
Upshift target vehicle speed carry out safety frequency correction with the downshift target vehicle speed.
Preferably, it is described to the upshift target vehicle speed be modified process include it is following any one or more process：
Determine under current throttle pedal aperture, corresponding first speed amendment deviation, and repaiied using first speed
Positively biased difference carries out acceleration amendment to the upshift target vehicle speed；
Determine under current atmospheric pressure, corresponding second speed amendment deviation, and it is inclined using the second speed amendment
Difference carries out height above sea level amendment to the upshift target vehicle speed；
Determine under current hill grade value, corresponding 3rd speed amendment deviation, and utilize the 3rd speed amendment deviation
Value carries out gradient amendment to the upshift target vehicle speed.
Preferably, methods described also includes：
By voice or/and display lamp, upshift information, downshift information and gear information is pointed out.
Preferably, methods described also includes：
Opened using gearshift prompt switch or close vehicle shift prompt facility.
The beneficial effects of the present invention is：
A kind of hybrid vehicle gearshift reminding method that the present invention is provided, in the situation for meeting all gearshift activation conditions
Under, the operational factor of hybrid electric vehicle is obtained, current shift value is calculated, upshift target vehicle speed and drop is determined according to current shift value
Gear target vehicle speed, is compared with upshift target vehicle speed, downshift target vehicle speed by current vehicle speed, so that it is determined that hybrid vehicle is
No prompting upshift or downshift.By the method, optimal fuel economy gear recommendation is carried out, help driver to reach improvement mixing
The fuel economy purpose of power car.
Description of the drawings
A kind of flow chart of Fig. 1 embodiment of the present invention hybrid vehicle gearshift reminding method.
Another kind of flow chart of Fig. 2 embodiment of the present invention hybrid vehicle gearshift reminding method.
Fig. 3 embodiment of the present invention brake pedals step on a kind of flow chart of rear hybrid vehicle gearshift reminding method.
Specific embodiment
In order that those skilled in the art can be further understood that the feature of the present invention and technology contents, below in conjunction with the accompanying drawings
The embodiment of the present invention is elaborated with embodiment.
For, in current manual gear hybrid electric vehicle, without gearshift prompt facility, vehicle cannot be operated in optimal combustion to vehicle
In oil consumption is interval, the embodiment of the present invention provides a kind of hybrid vehicle gearshift reminding method, carries out Best Economy gear
Recommend, improve the purpose of fuel economy so as to help driver to reach.
Fig. 1 is a kind of flow chart of embodiment of the present invention hybrid vehicle gearshift reminding method, is meeting all gearshifts
In the case of activation condition, comprise the following steps：
Step 101, obtains the operational factor of hybrid electric vehicle, and wherein, operational factor includes current vehicle speed, present engine
Rotating speed, present engine output torque and current motor output torque；Current vehicle speed can be from the car of vehicle speed sensor output
Obtain in fast signal, present engine rotating speed can be obtained from the tach signal of speed probe output, and present engine is defeated
Go out moment of torsion to obtain from the signal of engine controller output, and current motor output torque can be defeated from electric machine controller
Obtain in the signal for going out.
Step 102, calculates current shift value by the proportionate relationship between current vehicle speed and present engine rotating speed.
In manual gear hybrid electric vehicle, current shift value can be obtained by way of calculating.Specifically, Ke Yixian
Change speed gear box gear speed ratio is calculated, then according to the fast ratio determining corresponding gear.
Speed refers to the gear ratio of main reducing gear in automobile drive axle than (speed ratio), and it is equal to the rotation of power transmission shaft
Angular velocity of rotation of the tarnsition velocity than upper axle half shafts, is also equal to the ratio of their rotating speed.
Change speed gear box gear speed compares ij, the different velocity ratios for changing transmission using gear in change speed gear box are referred to, certain
Driving conditions under, the gear of drive system speed ratio is less, and the fuel economy of automobile is higher, and gear value is higher, therefore automobile
Economy run all in high gear.
Change speed gear box gear speed ratio i is calculated according to below equationj, to judge current shift value：
ij=k* (n/Va)；Wherein, ijFor change speed gear box gear speed ratio；K=0.377*0.317, k are fast ratio amendment system
Number；N is present engine rotating speed；VaFor current vehicle speed.
Such as, the vehicle manual for a kind of 6 gear, can be according to the i in table 1jValue determines current shift value.
Table 1
| Gear value | ijValue |
| 1 | 5.441 |
| 2 | 2.839 |
| 3 | 1.721 |
| 4 | 1.223 |
| 5 | 1 |
| 6 | 0.794 |
It should be noted that the actual gear number of different automobile types and ijValue is adjustable, if change speed gear box gear speed ratio
Not in the range of form, the actual gear value of display can keep previous shifting state to value.
Step 103, by present engine output torque and current motor output torque sum, determines current shift value correspondence
Upshift target vehicle speed and downshift target vehicle speed.
Specifically, upshift target vehicle speed can be obtained by inquiring about upshift speedometer, and upshift speedometer is used for reflection and sends out
Corresponding relation between motivation output torque and motor output torque sum, gear value, upshift target vehicle speed three.
Specifically, downshift target vehicle speed can be obtained by inquiring about downshift speedometer, and downshift speedometer is used for reflection and sends out
Corresponding relation between motivation output torque and motor output torque sum, gear value, downshift target vehicle speed three.
Here, can test by hybrid electric vehicle, reflection engine output torque is set up respectively for six gears
The fuel consumption form of corresponding relation between motor output torque sum and fuel consumption, then in six fuel consumption forms
Being chosen at when carrying out upshift under each engine output torque and motor output torque sum and each gear causes fuel consumption minimum
Speed as upshift target vehicle speed, and then as shown in table 2 reflection engine output torque and motor output torque can be obtained
The upshift speed form of corresponding relation between sum (unit is Nm), gear value, upshift target vehicle speed (unit is km/h) three,
For example, according to table 2, it is 1Nm in present engine output torque and motor output torque sum, and current shift is 3 gears
When, the upshift target vehicle speed for rising to 4 gears is 33km/h, it is thus determined that upshift target vehicle speed is 33km/h under current shift.
Table 2
It is also possible to test by hybrid electric vehicle, reflection engine output torque is set up respectively for six gears
The fuel consumption form of corresponding relation between motor output torque sum and fuel consumption, then in six fuel consumption forms
Being chosen at when carrying out downshift under each engine output torque and motor output torque sum and each gear causes fuel consumption minimum
Speed as downshift target vehicle speed, and then as shown in table 3 reflection engine output torque and motor output torque can be obtained
The downshift speed form of corresponding relation between sum (unit is Nm), gear value, downshift target vehicle speed (unit is km/h) three,
For example, according to table 3, it is 104Nm in present engine output torque and motor output torque sum, and current shift is 3
During gear, downshift is 20km/h to the downshift target vehicle speed of 2 gears, it is thus determined that downshift target vehicle speed is 20km/h under current shift.
Table 3
Whether step 104, judge current vehicle speed more than upshift target vehicle speed, if current vehicle speed is more than upshift target carriage
Speed, execution step 105；Otherwise, execution step 106.
Step 105, points out upshift information.
In the present embodiment, voice or/and display lamp can be passed through, points out upshift information and gear information：Vehicular meter
Integrated upshift points out display lamp, vehicle power control unit to export upshift information above, and upshift display lamp is bright and shows
The targeted gear place value that needs rise to；Or vehicle power control unit exports upshift information, vehicle sends upshift voice and carries
Show and instrument shows the target gear that rises to of needs；Or vehicles be both integrated with prompting display lamp, it may have voice is carried
Show and in function, and instrument, show the target gear for needing to rise to.
Whether step 106, judge current vehicle speed less than downshift target vehicle speed, if current vehicle speed is less than downshift target carriage
Speed, execution step 107；Otherwise, execution step 108.
Step 107, points out downshift information.
In the present embodiment, by voice or/and display lamp, downshift information and gear information are pointed out：Above vehicular meter
Integrated downshift points out display lamp, vehicle power control unit to export downshift information, and downshift display lamp is bright and shows needs
The targeted gear place value being down to；Or vehicle power control unit exports downshift information, vehicle sends downshift voice message simultaneously
And instrument shows the target gear for needing to be down to；Or vehicles be both integrated with prompting display lamp, it may have voice message work(
Can, and in instrument, show the target gear for needing to be down to.
Step 108, is not pointed out.
If that is, current vehicle speed be more than or equal to downshift target vehicle speed and be less than or equal to upshift target vehicle speed,
Vehicle power control unit does not carry out any operation.
The hybrid vehicle gearshift reminding method of the present embodiment, in the case of all gearshift activation conditions are met, passes through
The operational factor of hybrid electric vehicle is obtained, current shift value is calculated, and according to current operating parameter, obtains upshift target speed
Whether angle value and downshift target speed value, current vehicle speed is compared respectively with upshift target vehicle speed, downshift target vehicle speed, draw
The conclusion of upshift or downshift.The method is provided most for driver for the situation without gearshift prompt facility in hybrid electric vehicle
Good fuel economy gear is recommended, and improves fuel economy.
In motor vehicle driven by mixed power actual moving process, the operation of the service factor such as driver of vehicle, meteorological condition, road
Travel permit part, driving cycle etc. also have highly important impact to its fuel economy, for this purpose, for different service factors, this
Bright another embodiment increased correcting process to the upshift target vehicle speed for obtaining；Also, in vehicle speed data processing procedure, it is
The bad impression that frequent switching gear is caused to driver is prevented, the present embodiment is to revised upshift target vehicle speed and downshift
Target vehicle speed has carried out the correction of safety frequency.
If Fig. 2 is another kind of flow chart of embodiment of the present invention hybrid vehicle gearshift reminding method, flow with shown in Fig. 1
Unlike journey figure, in flow chart shown in Fig. 2, the acquisition of the operational factors such as current throttle pedal aperture is not only increased, and
And be modified process to upshift target vehicle speed by increased operational factor, and then to revised upshift target vehicle speed and drop
Gear target vehicle speed has carried out the correction of safety frequency.
Method shown in Fig. 2, in the case where all gearshift activation conditions are met, comprises the following steps：
Step 201, obtains the operational factor of hybrid electric vehicle, and wherein, operational factor includes current vehicle speed, present engine
Rotating speed, present engine output torque, current motor output torque, current throttle pedal aperture, current atmospheric pressure and work as
Front value of slope.
Wherein, current throttle pedal aperture can be from the accelerator pedal position signal of accelerator pedal position sensor output
Obtain, current atmospheric pressure can be obtained from the atmospheric pressure signal of barometric pressure sensor output, and current hill grade value can be with
Obtain in the gradient value signal exported from anti-lock braking system controller.
Step 202, calculates current shift value by the proportionate relationship between current vehicle speed and present engine rotating speed.
Step 203, by present engine output torque and current motor output torque sum, determines current shift value correspondence
Upshift target vehicle speed and downshift target vehicle speed.
In practical operation, upshift target vehicle speed is obtained by inquiring about upshift speedometer, and upshift speedometer is used for reflection and sends out
Corresponding relation between motivation output torque and motor output torque sum, gear value, upshift target vehicle speed three.
In practical operation, downshift target vehicle speed is obtained by inquiring about downshift speedometer, and downshift speedometer is used for reflection and sends out
Corresponding relation between motivation output torque and motor output torque sum, gear value, downshift target vehicle speed three.
Step 204, by current throttle pedal aperture, current atmospheric pressure and current hill grade value, to the upshift target
Speed is modified process.
Being modified process to upshift target vehicle speed includes following any one or more process：
Determine under current throttle pedal aperture, corresponding first speed amendment deviation, and it is inclined using the first speed amendment
Difference carries out acceleration amendment to upshift target vehicle speed；
Determine under current atmospheric pressure, corresponding second speed amendment deviation, and utilize the second speed amendment deviation
Height above sea level amendment is carried out to upshift target vehicle speed；
Determine under current hill grade value, corresponding 3rd speed amendment deviation, and utilize the 3rd speed amendment deviation pair
Upshift target vehicle speed carries out gradient amendment.
Above-mentioned acceleration correcting process refers to, according to actual gas pedal aperture situation, vehicle power control unit detection vehicle
It is desirable that dynamic property or economy, are added to so as to export a speed amendment deviation according to current throttle pedal aperture
In original upshift target vehicle speed, it is ensured that the reasonability of vehicle drive.In this regard, can be tested by hybrid electric vehicle, in speed
In the case that value is certain, the fuel consumption form of corresponding relation between reflection gas pedal aperture and fuel consumption is set up, according to
Fuel consumption form is set up, and then can be with
Obtain reflection accelerator open degree y as shown in table 41With the first speed amendment deviation x1Corresponding relation between (unit is km/h)
Form, for example, according to table 4, if current throttle aperture is 40%, corresponding first speed amendment deviation is 5km/
H, then, under current throttle aperture, upshift target vehicle speed increases 5km/h.
Table 4
| y1 | x1 |
| 0～30% | 0 |
| 30～70% | 5 |
| 70～100% | 10 |
Above-mentioned height above sea level correcting process is referred to, due to High aititude rarefaction of air, power performance can be caused to be deteriorated, therefore, car
Power control unit can export a speed amendment deviation according to height above sea level and be added in original upshift target vehicle speed, protect
The normal driving of card vehicle.In this regard, can test by hybrid electric vehicle, reflection atmospheric pressure y as shown in table 5 is obtained2
(unit is handkerchief) and the second speed amendment deviation x2The form of the corresponding relation between (unit is km/h), for example, according to table 5
Understand, if current atmospheric pressure is 1500 handkerchiefs, corresponding second speed amendment deviation is 6km/h, then in current atmospheric pressure
Under, upshift target vehicle speed increases 6km/h.
Table 5
| y2 | x2 |
| 0～1000 | 0 |
| 1000～2000 | 6 |
| >2000 | 12 |
Above-mentioned gradient amendment is referred to, as vehicle is in upward slope or descending, speed needs to be modified, so as to ensure car
The reliability for driving, in this regard, can test by hybrid electric vehicle, acquisition reflection value of slope y as shown in table 63With
Three speed amendment deviations x3The form of the corresponding relation between (unit is km/h), for example, according to table 6, if currently
Value of slope is 50%, and corresponding 3rd speed amendment deviation is 6km/h, then, under current hill grade value, upshift target vehicle speed increases
Plus 6km/h.
Table 6
| y3 | x3 |
| 0～30% | 0 |
| 30～70% | 4 |
| 70～100% | 8 |
Step 205, carries out safety frequency correction to revised upshift target vehicle speed and downshift target vehicle speed.
The safety frequency correction refers to the gear pace of change in the unit of account time, and makees certain time-delay process,
Upshift target vehicle speed after amendment is made smoothly to appreciate with downshift target vehicle speed or depreciation, the driver for preventing shift hunting and causing
Bad impression.
Whether step 206, judge current vehicle speed more than upshift target vehicle speed, if current vehicle speed is more than upshift target carriage
Speed, execution step 207；Otherwise, execution step 208.
Step 207, points out upshift information.
Whether step 208, judge current vehicle speed less than downshift target vehicle speed, if current vehicle speed is less than downshift target carriage
Speed, execution step 209；Otherwise, execution step 210.
Step 209, points out downshift information.
Step 210, is not pointed out.
Hybrid electric vehicle gearshift reminding method provided in an embodiment of the present invention, in the case where all activated condition is met,
The acquisition of the operational factors such as current throttle pedal aperture is increased, and upshift target vehicle speed is carried out by increased operational factor
Correcting process, and then the correction of safety frequency has been carried out to revised upshift target vehicle speed and downshift target vehicle speed.By this
Method, according to different service factors, carries out different correcting process to upshift target vehicle speed, improves gearshift suggesting effect
Effectiveness；Safety frequency correction is carried out to revised upshift target vehicle speed and downshift target vehicle speed, frequency can be effectively prevented
The bad impression that numerous switching gear is caused to driver.
In above-mentioned two embodiment, activation condition of shifting gears can need the condition for meeting and drive demand to set according to gearshift activation
Put, for example, the gearshift activation condition can include：(1) igniter is in ON states, and (2) described current vehicle speed is in the first car
In fast scope, (3) described current shift is not at neutral or reverses gear, and (4) vehicle is not at cruise pattern, (5) vehicle
Body electronics stabilisation systemss state is not at, (6) vehicle is not at anti-lock braking system state, and (7) accelerator pedal is stepped on,
(8) clutch is not stepped on, and (9) brake pedal is not stepped on.Wherein, in event (2), the first vehicle speed range is (5km/h, 300km/
H), event (1) to (8) is the condition that gearshift activation must is fulfilled for, and event (9) is arranged according to drive demand, if system
Dynamic pedal is stepped on, then this gearshift Activiation method can be stepped on rear hybrid vehicle gearshift by the brake pedal shown in Fig. 3 and carry
Show that embodiment of the method is realized.
If Fig. 3 is a kind of flow process that embodiment of the present invention brake pedal steps on rear hybrid vehicle gearshift reminding method
Figure.
Step 301, obtains hybrid electric vehicle operational factor, and wherein, operational factor includes that current vehicle speed, present engine turn
Speed, present engine output torque and current motor output torque.
Step 302, calculates current shift value by the proportionate relationship between current vehicle speed and present engine rotating speed.
Step 303, determines the corresponding economic goal speed of current shift value.
In the present embodiment, can be tested by hybrid electric vehicle, after brake pedal is stepped on, for six gear difference
The fuel consumption form of corresponding relation between reflection gear value and fuel consumption is set up, then is chosen in six fuel consumption forms
The speed for causing fuel consumption minimum when carrying out downshift under each gear value is used as economic goal speed, and then can obtain such as table
Reflect the form of corresponding relation between gear value and economic goal speed (unit is km/h) shown in 7, for example, according to table 7,
After brake pedal is stepped on, when current shift value is 3, downshift is 30km/h to economic goal speed during 2 gear, it is thus determined that currently
Under gear value, economic goal speed is 30km/h.
Table 7
Whether step 304, judge current vehicle speed less than economic goal speed, if current vehicle speed is less than economic goal car
Speed, execution step 305；Otherwise, execution step 306.
Step 305, points out downshift information.
Step 306, is not pointed out.
The present embodiment brake pedal steps on rear hybrid vehicle gearshift reminding method, after stepping on for brake pedal, root
According to fuel economy, economic goal speed during different gear downshifts is obtained, and current vehicle speed is carried out with economic goal speed
Judge, so as to obtain downshift information whether judgement pointed out, the method, for the situation that brake pedal is stepped on, by optimal fuel oil
Economy gear recommends driver, so as to reach the purpose for improving fuel economy.
Above in three embodiments, described " prompting upshift information " or " prompting downshift information ", be in current shift
Value basis rises one grade or one grade of drop, and for example, current shift value is 3, then " prompting upshift information " gear value is 4 afterwards, and " prompting
Gear value is 2 to downshift information " afterwards.
According to three embodiments above, the present invention can also be opened using gearshift prompt switch or close vehicle shift and be carried
Show function.
Above the embodiment of the present invention is described in detail, specific embodiment used herein is carried out to the present invention
Illustrate, the explanation of above example is only intended to help understand system and method for the invention；Simultaneously for the one of this area
As technical staff, according to the present invention thought, will change in specific embodiments and applications, to sum up institute
State, this specification content should not be construed as limiting the invention.
Claims (7)
1. a kind of hybrid vehicle is shifted gears reminding method, it is characterised in that include：
In the case where gearshift activation condition is met：
Obtain hybrid electric vehicle operational factor, wherein, the operational factor include current vehicle speed, present engine rotating speed, when
Front engine output torque and current motor output torque；
Current shift value is calculated by the proportionate relationship between the current vehicle speed and the present engine rotating speed；
By the present engine output torque and the current motor output torque sum, obtained by inquiring about upshift speedometer
The upshift target vehicle speed；By the present engine output torque and the current motor output torque sum, by inquiry
Downshift speedometer obtains the downshift target vehicle speed；
Wherein, the upshift speedometer is used for reflecting engine output torque and motor output torque sum, gear value, upshift mesh
Corresponding relation between mark speed three；The downshift speedometer be used for reflecting engine output torque and motor output torque it
And, corresponding relation between gear value, downshift target vehicle speed three；
If the current vehicle speed is more than the upshift target vehicle speed, upshift information is pointed out；
If the current vehicle speed is less than the downshift target vehicle speed, downshift information is pointed out.
2. hybrid vehicle according to claim 1 is shifted gears reminding method, it is characterised in that the gearshift activation condition
Including：
Igniter in ON states, the current vehicle speed in the first vehicle speed range, the current shift be not at neutral or
Person is reversed gear, vehicle is not at cruise pattern, vehicle and is not at body electronics stabilisation systemss state, vehicle being not at anti-lock
Brakes state, brake pedal are not stepped on, clutch is not stepped on, accelerator pedal is stepped on.
3. hybrid vehicle according to claim 2 is shifted gears reminding method, it is characterised in that methods described also includes：
After brake pedal is stepped on, the corresponding economic goal speed of the current shift value is determined, if the current vehicle speed is little
In the economic goal speed, then downshift information is pointed out.
4. hybrid vehicle according to claim 1 is shifted gears reminding method, it is characterised in that the operational factor is also wrapped
Include：Current throttle pedal aperture, current atmospheric pressure and current hill grade value；
Methods described also includes：
After it is determined that the current shift is worth corresponding upshift target vehicle speed and downshift target vehicle speed, according to current throttle pedal
Aperture, current atmospheric pressure and current hill grade value, are modified process to the upshift target vehicle speed, and to revised liter
Gear target vehicle speed carries out safety frequency correction with the downshift target vehicle speed.
5. hybrid vehicle according to claim 4 is shifted gears reminding method, it is characterised in that described to the upshift mesh
Mark speed is modified process includes following any one or more process：
Determine under current throttle pedal aperture, corresponding first speed amendment deviation, and it is inclined using the first speed amendment
Difference carries out acceleration amendment to the upshift target vehicle speed；
Determine under current atmospheric pressure, corresponding second speed amendment deviation, and utilize the second speed amendment deviation
Height above sea level amendment is carried out to the upshift target vehicle speed；
Determine under current hill grade value, corresponding 3rd speed amendment deviation, and utilize the 3rd speed amendment deviation pair
The upshift target vehicle speed carries out gradient amendment.
6. hybrid vehicle according to claim 1 is shifted gears reminding method, it is characterised in that methods described also includes：
By voice or/and display lamp, upshift information, downshift information and gear information is pointed out.
7. according to any one of claim 1 to 6 hybrid vehicle gearshift reminding method, it is characterised in that the side
Method also includes：
Opened using gearshift prompt switch or close vehicle shift prompt facility.
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