CN108583418A - A kind of control method of pure electric vehicle Brake lamp - Google Patents
A kind of control method of pure electric vehicle Brake lamp Download PDFInfo
- Publication number
- CN108583418A CN108583418A CN201810251242.6A CN201810251242A CN108583418A CN 108583418 A CN108583418 A CN 108583418A CN 201810251242 A CN201810251242 A CN 201810251242A CN 108583418 A CN108583418 A CN 108583418A
- Authority
- CN
- China
- Prior art keywords
- electric vehicle
- pure electric
- brake lamp
- control method
- braking deceleration
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/44—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating braking action or preparation for braking, e.g. by detection of the foot approaching the brake pedal
- B60Q1/444—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating braking action or preparation for braking, e.g. by detection of the foot approaching the brake pedal with indication of the braking strength or speed changes, e.g. by changing shape or intensity of the indication
Abstract
The invention discloses a kind of control method of pure electric vehicle Brake lamp, which includes the following steps, step 1, last moment speed is obtained while calculating current time speed；Step 2, judge whether current time speed is less than last moment speed：If so, thening follow the steps 3；If it is not, then return to step 1；Step 3, the braking deceleration of pure electric vehicle is calculated；Step 4, judge whether the braking deceleration of pure electric vehicle meets the first automatic intervention condition, if so, thening follow the steps 5；If it is not, then return to step 1；Wherein, the first automatic intervention condition is：The absolute value of braking deceleration persistently increases to higher extreme value；Step 5, pure electric vehicle Brake lamp is opened.The present invention is not necessarily to pure electric vehicle driver's intervention, and the unlatching for automatically controlling braking lamp, the drive safety of pure electric vehicle when being effectively improved in sliding state can be realized according to the transport condition of pure electric vehicle.
Description
Technical field
The present invention relates to pure electric vehicle technical fields, specifically for, the present invention be a kind of pure electric vehicle braking
The control method of lamp.
Background technology
Currently, energy problem and environmental problem are of increased attention, to realize energy-saving and emission-reduction and sustainable development
Exhibition, pure electric vehicle come into being.In general, the course continuation mileage level of pure electric vehicle is often not as good as conventional fuel oil automobile,
To solve this problem, existing pure electric vehicle generally use sliding state when energy reclaiming method, can not only improve pure
The course continuation mileage of electric vehicle, and realize the efficient utilization of the energy.
But often there is no brake pedals by driver when pure electric vehicle slides, Brake lamp (brake lamp) is simultaneously
It not can be lit, if back car does not notice front, pure electric vehicle is in sliding state at this time, is extremely easy to make
At the rear-end collision of behind vehicle.
Therefore, how to be effectively prevented from pure electric vehicle leads to behind vehicle rear-end collision thing due to being in sliding state
Therefore problem, to improve pure electric vehicle traveling safety, become those skilled in the art's technology urgently to be resolved hurrily and ask
Topic and the emphasis studied always.
Invention content
For solve the problems, such as it is existing be easy to cause behind vehicle rear-end collision accident in the pure electric vehicle of sliding state,
The present invention innovatively provides a kind of control method of pure electric vehicle Brake lamp, which can be to pure electric vehicle
Sliding state is reliably detected, and to open pure electric vehicle Brake lamp accurately and in time, is realized to behind vehicle department
The timely prompting of machine, and then avoid the problem that since front pure electric vehicle slides and causes front vehicle to knock into the back and occurs, finally
Achieve the purpose that solve problems of the existing technology.
It is described the invention discloses a kind of control method of pure electric vehicle Brake lamp for the technical purpose for realizing above-mentioned
Control method includes the following steps,
Step 1, during pure electric vehicle moves forward, last moment is obtained while calculating current time speed
Speed, and the time interval of current time and last moment are detection cycle；
Step 2, judge whether current time speed is less than last moment speed：If so, thening follow the steps 3；If not,
Then return to step 1；
Step 3, the braking deceleration of pure electric vehicle is calculated；
Step 4, judge whether the braking deceleration of the pure electric vehicle meets the first automatic intervention condition, if so,
Then follow the steps 5；If it is not, then return to step 1；Wherein, the described first automatic intervention condition is：The braking deceleration it is exhausted
Higher extreme value is persistently increased to value；
Step 5, pure electric vehicle Brake lamp is opened.
Based on above-mentioned technical solution, the present invention can be effectively detected out whether pure electric vehicle is in sliding state,
To light Brake lamp in time when pure electric vehicle is in sliding state, to remind back car driver, to effectively
Ground avoids rear-end collision caused by being slided due to pure electric vehicle.
Further, the control method further includes following steps,
Step 6, after pure electric vehicle Brake lamp is opened, judge whether the braking deceleration meets the second automatic intervention
Condition is then back to step 1 if it is, closing pure electric vehicle Brake lamp；If it is not, then re-executing step 6；Wherein,
The second automatic intervention condition is：The absolute value of the braking deceleration is persistently decreased to low extreme value.
Based on above-mentioned improved technical solution, the present invention can also be realized in the pure electric vehicle for exiting sliding state
Brake lamp is closed, and to avoid the false alert to back car driver, and is realized to next pure electric vehicle sliding state
Reliable monitoring.
Further, in step 3, further include the steps that the braking deceleration for obtaining last moment, count in the following way
Calculate the braking deceleration：Braking deceleration=k* (a2-a1)+a1；
Wherein, k indicates that filter factor, a1 indicate that the braking deceleration of last moment, a2 indicate the acceleration at current time.
Further, ranging from the 0.01~0.75 of filter factor k.
Further, in step 3, the acceleration at current time is calculated in the following way；
The acceleration at current time=(current time speed-last moment speed)/detection cycle.
Further, the detection cycle is 10ms.
Further, before step 1, further include that institute is configured according to the structural information of pure electric vehicle and its service life
The step of stating higher extreme value and the low extreme value.
Further, further include the steps that operator brake lamp is reminded to be automatically switched in step 5；
Further include reminding operator brake lamp if the braking deceleration meets second intervenes condition automatically in step 6
Pent step.
Further, the pure electric vehicle Brake lamp is set to rear vehicle, and it is in always in the on-state
The state of flicker.
Further, the braking deceleration degrees of data of last moment vehicle speed data and last moment are stored in vehicle control device
In memory.
Beneficial effects of the present invention are：The present invention is not necessarily to pure electric vehicle driver's intervention, can be according to pure electric vehicle
Transport condition realize automatically control braking lamp opening and closing, pure electric vehicle when being effectively improved in sliding state
Drive safety.
Description of the drawings
Fig. 1 is the control flow schematic diagram of pure electric vehicle Brake lamp.
Specific implementation mode
Detailed explanation is carried out to the control method of the pure electric vehicle Brake lamp of the present invention with reference to the accompanying drawings of the specification
And explanation.
As shown in Figure 1, present embodiment discloses a kind of control method of pure electric vehicle Brake lamp, control method innovation
Ground connects the sliding state of pure electric vehicle and Brake lamp opening and closing, is knocked into the back so as to greatly reduce pure electric vehicle
The case where occur, which specifically comprises the following steps.
First, the present embodiment includes configuring higher extreme value under according to the structural information of pure electric vehicle and its service life
Then the step of limiting value, carries out following specific control flows, if without configuration, when using vehicle control device manufacture
Default value, it should be noted that the occurrence of " higher extreme value " and " low extreme value " need according to the concrete model of electric vehicle,
The information such as Years Of Service, maintenance number are reasonably set, thus this embodiment is not repeated.
Step 1, during pure electric vehicle moves forward, last moment is obtained while calculating current time speed
Speed, and the time interval of current time and last moment are detection cycle.
Step 2, judge whether current time speed is less than last moment speed：If so, thening follow the steps 3；If not,
Then return to step 1.
Step 3, ability recycling torque is bigger when being slided due to pure electric vehicle, when pure electric vehicle carries out high speed slide
When energy regenerating, bigger braking deceleration is will produce, so the present embodiment need to calculate the braking deceleration of pure electric vehicle；
The present embodiment is embodied in the following way：Further include the steps that the braking deceleration for obtaining last moment, passes through such as lower section
Formula calculates braking deceleration：
Braking deceleration=k* (a2-a1)+a1；
Based on above-mentioned calculation, the present embodiment can be filtered the acceleration signal obtained, avoid
The problem of error detection is led to due to the fluctuation of signal；Wherein, k indicates that filter factor, a1 indicate the braking deceleration of last moment,
A2 indicates the acceleration (i.e. according to the calculated braking deceleration of speed) at current time.
Specifically, the acceleration at current time is calculated in the following way：
The acceleration at current time=(current time speed-last moment speed)/detection cycle.
In addition, in the present embodiment, ranging from the 0.01~0.75 of filter factor k, and detection cycle is 10ms.
Step 4, judge whether the braking deceleration of pure electric vehicle meets the first automatic intervention condition, if it is, holding
Row step 5；If it is not, then return to step 1；Wherein, the first automatic intervention condition is：The absolute value of braking deceleration persistently increases
To higher extreme value (judging whether braking deceleration persistently increases to a certain limit value).
Step 5, pure electric vehicle Brake lamp is opened, further includes that operator brake lamp is reminded to be beaten automatically in the present embodiment
The step of opening, such as auditory tone cues or display screen prompt.It is found for ease of other drivers, pure electric vehicle Brake lamp is set to
Rear vehicle, and it is in the state flickered always in the on-state.
Step 6, after pure electric vehicle Brake lamp is opened, judge whether braking deceleration meets the second automatic intervention item
Part is then back to step 1 if it is, closing pure electric vehicle Brake lamp；If it is not, then re-executing step 6；Wherein,
Two automatic intervention conditions are：The absolute value of braking deceleration is persistently decreased to low extreme value and (judges whether braking deceleration is held
It is continuous to be reduced to a certain limit value).Further include reminding if braking deceleration meets second intervenes condition automatically in the present embodiment
The pent step of operator brake lamp, such as auditory tone cues or display screen prompt.
In addition, it is necessary to explanation, historical data involved by the present embodiment (such as last moment vehicle speed data and upper
The braking deceleration degrees of data at one moment) it is stored in the memory of vehicle control device, in order to be transferred and used.
In the description of this specification, reference term " the present embodiment ", " one embodiment ", " some embodiments ", " show
The description of example ", " specific example " or " some examples " etc. mean specific features described in conjunction with this embodiment or example, structure,
Material or feature are included at least one embodiment or example of the invention.In the present specification, above-mentioned term is shown
The statement of meaning property is necessarily directed to identical embodiment or example.Moreover, specific features, structure, material or the spy of description
Point may be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other,
Those skilled in the art can be by different embodiments or examples described in this specification and different embodiments or examples
Feature is combined.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Any modification, equivalent replacement and simple modifications etc., should all be included in the protection scope of the present invention made by content.
Claims (10)
1. a kind of control method of pure electric vehicle Brake lamp, it is characterised in that：The control method includes the following steps,
Step 1, during pure electric vehicle moves forward, last moment vehicle is obtained while calculating current time speed
Speed, and the time interval of current time and last moment are detection cycle；
Step 2, judge whether current time speed is less than last moment speed：If so, thening follow the steps 3；If it is not, then returning
Return step 1；
Step 3, the braking deceleration of pure electric vehicle is calculated；
Step 4, judge whether the braking deceleration of the pure electric vehicle meets the first automatic intervention condition, if it is, holding
Row step 5；If it is not, then return to step 1；Wherein, the described first automatic intervention condition is：The absolute value of the braking deceleration
Persistently increase to higher extreme value；
Step 5, pure electric vehicle Brake lamp is opened.
2. the control method of pure electric vehicle Brake lamp according to claim 1, it is characterised in that：The control method is also
Include the following steps,
Step 6, after pure electric vehicle Brake lamp is opened, judge whether the braking deceleration meets the second automatic intervention item
Part is then back to step 1 if it is, closing pure electric vehicle Brake lamp；If it is not, then re-executing step 6；Wherein, institute
Stating the second automatic intervention condition is：The absolute value of the braking deceleration is persistently decreased to low extreme value.
3. the control method of pure electric vehicle Brake lamp according to claim 2, it is characterised in that：
In step 3, further includes the steps that the braking deceleration for obtaining last moment, calculate the braking deceleration in the following way
Degree：Braking deceleration=k* (a2-a1)+a1；
Wherein, k indicates that filter factor, a1 indicate that the braking deceleration of last moment, a2 indicate the acceleration at current time.
4. the control method of pure electric vehicle Brake lamp according to claim 3, it is characterised in that：The model of filter factor k
Enclose is 0.01~0.75.
5. the control method of pure electric vehicle Brake lamp according to claim 4, it is characterised in that：
In step 3, the acceleration at current time is calculated in the following way；
The acceleration at current time=(current time speed-last moment speed)/detection cycle.
6. the control method of pure electric vehicle Brake lamp according to claim 5, it is characterised in that：The detection cycle is
10ms。
7. the control method of pure electric vehicle Brake lamp according to claim 6, it is characterised in that：
Before step 1, further include according to the structural information of pure electric vehicle and its service life configure the higher extreme value and
The step of low extreme value.
8. the control method of pure electric vehicle Brake lamp according to claim 7, it is characterised in that：
Further include the steps that operator brake lamp is reminded to be automatically switched in step 5；
Further include that operator brake lamp is reminded to be closed if the braking deceleration meets second intervenes condition automatically in step 6
The step of closing.
9. the control method of pure electric vehicle Brake lamp according to claim 8, it is characterised in that：The pure electric vehicle
Brake lamp is set to rear vehicle, and it is in the state flickered always in the on-state.
10. the control method of pure electric vehicle Brake lamp according to claim 9, it is characterised in that：Last moment speed
Data and the braking deceleration degrees of data of last moment are stored in the memory of vehicle control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810251242.6A CN108583418A (en) | 2018-03-26 | 2018-03-26 | A kind of control method of pure electric vehicle Brake lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810251242.6A CN108583418A (en) | 2018-03-26 | 2018-03-26 | A kind of control method of pure electric vehicle Brake lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108583418A true CN108583418A (en) | 2018-09-28 |
Family
ID=63623594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810251242.6A Pending CN108583418A (en) | 2018-03-26 | 2018-03-26 | A kind of control method of pure electric vehicle Brake lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108583418A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111469757A (en) * | 2019-01-23 | 2020-07-31 | 北京新能源汽车股份有限公司 | Brake lamp control method and device and electric automobile |
| CN113525229A (en) * | 2021-07-26 | 2021-10-22 | 一汽奔腾轿车有限公司 | Self-starting control method for automobile emergency lamp |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2312104A (en) * | 1996-04-10 | 1997-10-15 | Stephen George Watson | Deceleration warning system for a road vehicle |
| CN106143287A (en) * | 2016-08-01 | 2016-11-23 | 广州汽车集团股份有限公司 | Automobile brake reminding method, automobile brake prompt system and automobile |
| CN106383351A (en) * | 2016-10-21 | 2017-02-08 | 苏州工业职业技术学院 | Ultrasonic intelligent ranging alarm system, rear end collision prevention method, and overtaking side direction collision prevention method |
| CN206589782U (en) * | 2017-03-27 | 2017-10-27 | 安徽江淮汽车集团股份有限公司 | A kind of automobile brake caution system |
| CN107323340A (en) * | 2017-07-12 | 2017-11-07 | 奇瑞商用车（安徽）有限公司 | Emergency brake of vehicle warning system and method |
| CN107554420A (en) * | 2017-09-11 | 2018-01-09 | 安徽实运信息科技有限责任公司 | A kind of safe distance between vehicles warning system based on road environment |
-
2018
- 2018-03-26 CN CN201810251242.6A patent/CN108583418A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2312104A (en) * | 1996-04-10 | 1997-10-15 | Stephen George Watson | Deceleration warning system for a road vehicle |
| CN106143287A (en) * | 2016-08-01 | 2016-11-23 | 广州汽车集团股份有限公司 | Automobile brake reminding method, automobile brake prompt system and automobile |
| CN106383351A (en) * | 2016-10-21 | 2017-02-08 | 苏州工业职业技术学院 | Ultrasonic intelligent ranging alarm system, rear end collision prevention method, and overtaking side direction collision prevention method |
| CN206589782U (en) * | 2017-03-27 | 2017-10-27 | 安徽江淮汽车集团股份有限公司 | A kind of automobile brake caution system |
| CN107323340A (en) * | 2017-07-12 | 2017-11-07 | 奇瑞商用车（安徽）有限公司 | Emergency brake of vehicle warning system and method |
| CN107554420A (en) * | 2017-09-11 | 2018-01-09 | 安徽实运信息科技有限责任公司 | A kind of safe distance between vehicles warning system based on road environment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111469757A (en) * | 2019-01-23 | 2020-07-31 | 北京新能源汽车股份有限公司 | Brake lamp control method and device and electric automobile |
| CN113525229A (en) * | 2021-07-26 | 2021-10-22 | 一汽奔腾轿车有限公司 | Self-starting control method for automobile emergency lamp |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104627180B (en) | A kind of half cruise active control system and its method | |
| CN106143287B (en) | Automobile brake reminding method, automobile brake prompt system and automobile | |
| CN103847615B (en) | A kind of integrated circuit for the display of EL vehicle dynamic | |
| CN103248281B (en) | A kind of electric automobile overspeed protection control method, system and electric automobile | |
| CN108583418A (en) | A kind of control method of pure electric vehicle Brake lamp | |
| CN110063735A (en) | Fatigue monitoring method based on driving behavior | |
| CN110949241A (en) | Vehicle braking reminding method and device and vehicle | |
| CN108819940B (en) | Control method and system of lane departure auxiliary braking system and automobile | |
| CN107458233A (en) | A kind of electric automobile low battery based reminding method and system | |
| CN102887120B (en) | Method for strengthening message of CAN (Controller Area Network) bus | |
| CN107284347A (en) | A kind of method that utilization brake lamp quickly distinguishes braking strength | |
| CN108357420A (en) | Vehicle braking based reminding method, lamp light control method, device and vehicle | |
| WO2023134605A1 (en) | Adaptive energy recovery method and apparatus for automobile, and automobile | |
| CN107458303A (en) | A kind of automobile emergency brake risk alarm system and its control method | |
| CN105835758A (en) | Rear lamp control method, rear lamp control device and automobile | |
| CN103223900B (en) | Automobile brake signal lamp control system and control method | |
| CN112213971A (en) | CBTC system normal lighting processing method and device | |
| CN206171298U (en) | Stop lamp zone control system | |
| CN105730247A (en) | Braking energy feedback control method and system | |
| CN202669499U (en) | Device limiting vehicle overload | |
| CN204309670U (en) | A kind of emergency brake of vehicle signal lamp | |
| CN207015251U (en) | A kind of automobile emergency brake risk alarm system | |
| CN107662612A (en) | The judgement and custom guiding system and method that a kind of vehicle stall slides | |
| CN106585595A (en) | Automatic driving method used during slipping and intelligent car | |
| CN110435533A (en) | Rear car alarm set and method when a kind of automatic emergency brake system works |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180928 |