CN104992571B - A kind of overspeed warning method and system based on mobile terminal - Google Patents
A kind of overspeed warning method and system based on mobile terminal Download PDFInfo
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- CN104992571B CN104992571B CN201510403156.9A CN201510403156A CN104992571B CN 104992571 B CN104992571 B CN 104992571B CN 201510403156 A CN201510403156 A CN 201510403156A CN 104992571 B CN104992571 B CN 104992571B
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Abstract
The invention discloses a kind of overspeed warning method and system based on mobile terminal, its method and step includes：Pre-set the navigation feature for opening mobile terminal, and receive user operation instruction, unlocking vehicle overspeed warning function, by acquisition for mobile terminal current vehicle position speed limit vm, current driving speed v1, vehicle acceleration a1, calculate vehicle reach current location speed limit vm need time t1；Judge whether t1 is less than default early warning thresholding tm, can be exceeded the speed limit if that can repeat to send after early warning reminds driver by present speed running time t1 if t1 is less than tm；Early warning can be closed if t1 is more than or equal to early warning thresholding tm to remind.This technical scheme can remind user before detecting vehicle and being likely to occur hypervelocity behavior, so as to effectively avoid vehicle that hypervelocity loss to caused by driver occurs, while also have positive role to trying to forestall traffic accidents, method is simple and safe and efficient.
Description
Technical field
The present invention relates to mobile terminal navigation application field, more particularly to a kind of overspeed warning based on mobile terminal
Method and system.
Background technology
Navigation is one of widely used function of mobile terminal, and the navigation feature in existing mobile terminal generally possesses hypervelocity
The function of prompting, but its detection method is relatively simple：By various modes obtain Current vehicle travel speed, and with current road
Section speed limit compares, and sending overspeed alarming if the former is more than the latter reminds.
Alarm, can only could be sent out when hypervelocity behavior occurs for vehicle where mobile terminal for overspeed of vehicle in the prior art
Go out warning reminding, the method, which has, reminds hysteresis quality defect.Occur to surpass in the vehicle set by government at electronic eyes if just travelling
During fast behavior, although mobile terminal can send prompting, but still driver can be caused to be imposed a fine by deduction of points.So prior art is super
Fast prompting function can not avoid overspeed of vehicle completely.
Therefore, prior art has yet to be improved and developed.
The content of the invention
In view of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of overspeed warning based on mobile terminal
Method and system, the technical program can remind use before vehicle where detecting mobile terminal is likely to occur hypervelocity behavior
Family.
The technical proposal for solving the technical problem of the invention is as follows：
A kind of overspeed warning method based on mobile terminal, wherein, including：
A, the navigation feature for opening mobile terminal is pre-set, and receives user operation instruction, unlocking vehicle overspeed warning
Function；
B, acquisition for mobile terminal current vehicle position speed limit vm is passed through；
C, acquisition for mobile terminal vehicle current driving speed v1 is passed through；
D, the acceleration a1 of acquisition for mobile terminal vehicle is passed through；
E, based on current vehicle position speed limit vm, present speed v1, acceleration a1, calculate vehicle and reach current location speed limit
The time t1 that vm needs, calculation formula are as follows：
t1=(vm-v1)/a1；
F, judge whether t1 is less than default early warning thresholding tm, can repeat to send early warning prompting driver if t1 is less than tm
By can be exceeded the speed limit after present speed running time t1；Early warning can be closed if t1 is more than or equal to early warning thresholding tm to remind.
The described overspeed warning method based on mobile terminal, wherein, the step A also includes：
A1, when mobile terminal receive only user operational order selection open navigation feature.
The described overspeed warning method based on mobile terminal, wherein, the step B is specifically included：
Current driving location information is uploaded to remote server by B1, mobile terminal by network, and to remote server
The speed limit vm of the position is asked for, the speed limit vm for then sending current driving location by remote server makes movement to mobile terminal
Terminal passes through Network Capture current vehicle position speed limit vm;
Or, mobile terminal obtains the speed limit vm of current driving location by being retrieved in the database of navigation software, makes shifting
Dynamic terminal obtains current vehicle position speed limit vm by the database of navigation software.
The described overspeed warning method based on mobile terminal, wherein, the step C is specifically included：
C1, pass through the velocity sensor acquisition vehicle current driving speed v1 on mobile terminal.
The described overspeed warning method based on mobile terminal, wherein, the step D is specifically included：
D1, the acceleration a1 by the acceleration transducer acquisition vehicle on mobile terminal.
The described overspeed warning method based on mobile terminal, wherein, the step F is specifically included：
F1, mobile terminal receive the operational order of user when voluntarily setting the default early warning thresholding on setting menu
Between tm.
The described overspeed warning method based on mobile terminal, wherein, early warning threshold time tm is 4 seconds.
The described overspeed warning method based on mobile terminal, wherein, the step B~F, fixed by timer every one
Time（It is preferred that for 1 second）Carry out triggering execution.
The described overspeed warning system based on mobile terminal, wherein, including：
Module is pre-set, the navigation feature of mobile terminal is opened for pre-setting, and receives user operation instruction, is opened
Open overspeed of vehicle warning function；
Speed limit acquisition module, for passing through acquisition for mobile terminal current vehicle position speed limit vm；
Speed acquiring module, for passing through acquisition for mobile terminal vehicle current driving speed v1；
Acceleration acquisition module, for the acceleration a1 by acquisition for mobile terminal vehicle；
Computing module, for based on current vehicle position speed limit vm, vehicle present speed v1, acceleration a1, calculating vehicle
The time t1 that current location speed limit vm needs is reached, calculation formula is as follows：
t1=(vm-v1)/a1；
Judge module, for judging whether t1 is less than default early warning thresholding tm, it can repeat to send if t1 is less than tm pre-
It is alert to remind driver by be exceeded the speed limit after present speed running time t1；It can be closed if t1 is more than or equal to early warning thresholding tm pre-
It is alert to remind.
The overspeed warning system based on mobile terminal, wherein, the speed limit acquisition module includes：
First speed limit acquiring unit, current driving location information is uploaded to by remote service by network for mobile terminal
Device, and the speed limit vm of the position is asked for remote server, the speed limit vm of current driving location is then sent by remote server
To mobile terminal, mobile terminal is set to pass through Network Capture current vehicle position speed limit vm;
Second speed limit acquiring unit, current driving is obtained by being retrieved in the database of navigation software for mobile terminal
The speed limit vm of position, mobile terminal is set to obtain current vehicle position speed limit vm by the database of navigation software.
Overspeed warning method and system provided by the present invention based on mobile terminal, use and limited up to vehicle current road
The time that speed needs and the comparison for setting the time, are reminded so as to send overspeed warning.This technical scheme can detect vehicle
User is reminded before being likely to occur hypervelocity behavior, so as to effectively avoid vehicle that hypervelocity loss to caused by driver occurs,
Also there is positive role to trying to forestall traffic accidents simultaneously, method is simple and safe and efficient.
Brief description of the drawings
Fig. 1 is a kind of flow chart of first preferred embodiment of the overspeed warning method based on mobile terminal of the present invention.
Fig. 2 is a kind of preferred embodiment of second preferred embodiment of the overspeed warning method based on mobile terminal of the present invention
Flow chart.
Fig. 3 is a kind of flow chart of 3rd preferred embodiment of the overspeed warning method based on mobile terminal of the present invention.
Fig. 4 is a kind of construction module signal of preferred embodiment of overspeed warning system first based on mobile terminal of the present invention
Figure.
Embodiment
The present invention provides a kind of overspeed warning method and system based on mobile terminal, to make the purpose of the present invention, technology
Scheme and effect are clearer, clear and definite, referring to the drawings and give an actual example that the present invention is described in more detail.It should be appreciated that
The specific embodiments described herein are merely illustrative of the present invention, is not intended to limit the present invention.
Refer to shown in Fig. 1, a kind of overspeed warning method first based on mobile terminal provided by the invention is preferably implemented
The flow chart of example, as shown in figure 1, the overspeed warning method based on mobile terminal comprises the following steps：
S1, the navigation feature for opening mobile terminal is pre-set, and receive user operation instruction, unlocking vehicle overspeed warning
Function；
Preferably, by taking automobile navigation mobile terminal as an example, when user is ready for toward traveling or car on a strange route
It will travel on the road surface of speed limit, then after vehicle is started, the navigation feature of selection opening mobile terminal, then mobile terminal
The ejection mode such as interface or voice broadcast prompts the user whether unlocking vehicle overspeed warning function, and user can carry out operation unlatching
Overspeed of vehicle warning function, subsequently enter step S2.
S2, by acquisition for mobile terminal current vehicle position speed limit vm, vehicle current driving speed v1, vehicle acceleration
a1；
Preferably, after mobile terminal have received the operational order unlocking vehicle overspeed warning function of user, mobile terminal leads to
Network is crossed from Remote Terminals for Weather Servics, or current vehicle position speed limit vm is obtained from built-in navigation software database, is passed through
Velocity sensor on mobile terminal obtains vehicle current driving speed v1, and passes through the acceleration transducer on mobile terminal
The acceleration a1 of vehicle is obtained, and enters step S3.
S3, based on current vehicle position speed limit vm, present speed v1, acceleration a1, calculate vehicle and reach current location limit
The time t1 that fast vm needs, calculation formula are as follows：t1=(vm-v1)/a1；
For example, mobile terminal is obtaining the current speed limit speed 40km/h in road surface, vehicle current driving speed 39.5km/h, car
Acceleration 0.02m/s2Afterwards, its built-in system calculates vehicle and reaches the time 7s that current location speed limit 40km/h needs,
Formula is as follows used by calculating：T1=(vm-v1)/a1=7s, and enter step S4.
S4, judge whether t1 is less than default early warning thresholding tm, can repeat to send early warning prompting driving if t1 is less than tm
People after present speed running time t1 by can exceed the speed limit；Early warning can be closed if t1 is more than or equal to early warning thresholding tm to remind；
Judge module automatic decision vehicle i.e. inside mobile terminal system reaches what current road speed limit speed vm needed
Whether time t1 is less than, the time tm more than or equal to early warning thresholding, and mobile terminal can repeat to send pre- if t1 is less than tm
Alert voice prompt reminds driver to press current driving speed v1, the acceleration a1 of vehicle, and continuing running time t1 rear vehicles can send out
Raw hypervelocity；Mobile terminal inside can trigger closing early warning if t1 is more than or equal to tm.
In the overspeed warning method based on mobile terminal, the step S1 also includes：Step S11, works as movement
Navigation feature is opened in the operational order selection that terminal receives only user, and now, overspeed warning function is closed.
It is familiar with speed limit on road surface what is passed through because in daily life, user can learn according to traveling micro-judgment
Position only has several and is all known to user determines, either determines do not have speed limit requirement or user on the road surface of traveling only
Being desirable to this function of being navigated on unlocking vehicle mobile terminal, then user may be selected to be not turned on overspeed warning function, under this state,
Mobile terminal will not carry out overspeed warning prompting.
In the overspeed warning method based on mobile terminal, the specific implementation of the step S2 can include：Step
Rapid S210, current driving location information is uploaded to remote server by mobile terminal by network, and is asked for remote server
The speed limit vm of the position, the speed limit vm for then sending current driving location by remote server make mobile terminal to mobile terminal
Pass through Network Capture current vehicle position speed limit vm.
For example, existing mobile terminal can connect internet or connection server terminal mostly, and vehicle travels or is
It will travel at a certain road surface, traveling-position information can be uploaded to remote server by mobile terminal by the Internet services, remotely
Server retrieves the speed limit speed vm of the position or neighbouring region according to positional information, and sends speed limit speed by remote server
Vm is spent to mobile terminal, and now, mobile terminal there should be a receiving port, to receive the letter that remote server terminal is sent
Breath.
Further, in the overspeed warning method based on mobile terminal, the specific implementation of the step S2 is also
It can include：Step S211, mobile terminal obtain the speed limit of current driving location by being retrieved in the database of navigation software
Vm, mobile terminal is set to obtain current vehicle position speed limit vm by the database of navigation software.
For example, the speed limit on some regions/all road surfaces in some cities is preserved in the navigation software database of mobile terminal
Speed vm, or mobile terminal can download the speed limit speed vm of current location or neighbouring region in real time to number by navigation software
According in storehouse.When vehicle traveling when on current road, mobile terminal according to current driving location information navigation software data
Retrieved in storehouse, Auto-matching is retrieved to obtain current vehicle position speed limit vm.
In the overspeed warning method based on mobile terminal, the specific implementation of the step S2 also includes：Step
S22, vehicle current driving speed v1 is obtained by the velocity sensor on mobile terminal；Passed by the acceleration on mobile terminal
Sensor obtains the acceleration a1 of vehicle.
In the overspeed warning method based on mobile terminal, also include before the step S4：Step S40, move
The operational order that dynamic terminal receives user voluntarily sets the default early warning threshold time tm on menu is set.
Further, the default early warning threshold time tm is 4 seconds.
Alarm and reminding user of exceeding the speed limit will not be just carried out when vehicle is driven over the speed limit using the present invention, can be directly in vehicle
It is possible to send alarm warning user before driving over the speed limit, has reached overspeed of vehicle early warning purpose, the present invention need not make
, only need to be with carrying out Function Extension on the basis of simple mobile terminal navigation equipment with very advanced expensive navigation mobile terminal equipment
, operate with that simple, the degree of accuracy is high and cost-effective, solve the defects of conventional navigation equipment overspeed alarming function, carry
High overspeed of vehicle early warning effect.
In the overspeed warning method based on mobile terminal, the step S2-S4 is fixed by timer every one
Time（It is preferred that for 1 second）Carry out triggering execution.
Thus referring to Fig. 2, Fig. 2 is a kind of overspeed warning method the second preferred embodiment stream based on mobile terminal of the present invention
Cheng Tu.As shown in Fig. 2 the method for the present embodiment includes：
Step S60, start；
When mobile terminal starts overspeed warning function, start to start the timer that the set time is 1 second.
Step S61, judges whether timer exceedes 1 second set time；
Judge whether timer exceedes 1 second set time, if it is, being directly entered step S62；If it is not, then return
Step S61.
Step S62, acquisition for mobile terminal current vehicle position speed limit vm, vehicle current driving speed v1, vehicle acceleration
Spend a1；
After 1 second set time is exceeded in previous step timer, mobile terminal is got by internal correlation module works as
Preceding vehicle traveling information：Current vehicle position speed limit vm, vehicle current driving speed v1, the acceleration a1 of vehicle, so as under
One step is calculated.
Step S63, calculate vehicle and reach the time t1 that current location speed limit vm needs；
Current vehicle position speed limit vm, vehicle current driving speed v1, the acceleration of vehicle obtained according to previous step
A1, and according to movement velocity, the time, acceleration correlation, pass through formula：T1=(vm-v1)/a1, calculate vehicle arrival
The time t1 that current location speed limit vm needs.
Whether step S64, t1 are less than early warning threshold time tm；
According to the result of previous step, whether the time t1 that judging vehicle arrival current location speed limit vm needs is less than early warning
Threshold time tm, if it is, being directly entered step S65；If it is not, then into step S640.
Step S65, mobile terminal will repeat to send early warning sound；
This step is to make mobile terminal repeat to send early warning sound after the completion of each step more than, reminds user to exist
T1 times rear vehicle will exceed the speed limit, and then go to step S66.
Step S640, close early warning and remind；
Judge that t1 is more than or equal to early warning threshold time tm according to previous step S64, then directly close in this step
Early warning prompting is closed, then goes to step S66.
Step S66, terminate；
By operation selected above, the flow of the second preferred embodiment of the invention is completed.
Referring to Fig. 3, Fig. 3 is a kind of flow of the preferred embodiment of overspeed warning method the 3rd based on mobile terminal of the present invention
Figure.As shown in figure 3, the method for the present embodiment includes：
Step S50, start；
When mobile terminal starts overspeed warning function, start to start the timer that the set time is 1 second.
Step S51, judges whether timer exceedes 1 second set time；
Judge whether timer exceedes 1 second set time, if it is, being directly entered step S52；If it is not, then return
Step S51.
Step S52, acquisition for mobile terminal current vehicle position speed limit vm, vehicle current driving speed v1, vehicle acceleration
Spend a1；
After 1 second set time is exceeded in previous step timer, mobile terminal is got by internal correlation module works as
Preceding vehicle traveling information：Current vehicle position speed limit vm, vehicle current driving speed v1, the acceleration a1 of vehicle, so as under
One step is calculated.
Step S53, calculate vehicle and reach the time t1 that current location speed limit vm needs；
Current vehicle position speed limit vm, vehicle current driving speed v1, the acceleration of vehicle obtained according to previous step
A1, and according to movement velocity, the time, acceleration correlation, pass through formula：T1=(vm-v1)/a1, calculate vehicle arrival
The time t1 that current location speed limit vm needs.
Whether step S54, t1 are less than early warning threshold time tm；
According to the result of previous step, whether the time t1 that judging vehicle arrival current location speed limit vm needs is less than early warning
Threshold time tm, if it is, being directly entered step S55；If it is not, then continue to judge into step S540.
Whether step S55, prompting module are in open mode；
Judge whether prompting module is in open mode, if it is, being directly entered step S56；If it is not, then into step
Prompting module is opened in 550 triggerings.
Step S56, does not make trigger action；
Prompting module is to be in open mode in previous step is judged, then does not make trigger action, be directly entered S57.
Step S57, mobile terminal will repeat to send early warning sound；
This step is to make mobile terminal repeat to send early warning sound after the completion of each step more than, reminds user to exist
T1 times rear vehicle will exceed the speed limit, and then go to step S58.
Whether step S540, prompting module are in open mode；
Judge that t1 is more than or equal to early warning threshold time tm according to previous step S54, then continue to sentence in this step
Whether disconnected prompting module is in open mode, if it is, being directly entered step S5400 triggerings closes prompting module；If not,
Then it is directly entered step S5401 and does not make trigger action.
Prompting module is closed in step S5400, triggering；
On the premise of judging that t1 is more than or equal to early warning threshold time tm according to step S54, sentenced again by previous step
Break and prompting module and be in open mode, then prompting module is closed in triggering, and mobile terminal does not send early warning sound, Ran Houzhuan
To step S58.
Step S5401, does not make trigger action；
On the premise of judging that t1 is more than or equal to early warning threshold time tm according to step S54, sentenced again by previous step
Break and prompting module and be closed, then do not make trigger action, mobile terminal does not send early warning sound, then goes to step
Rapid S58.
Prompting module is opened in step S550, triggering；
Judge that prompting module is to be closed according to previous step S55, then prompting is opened in triggering in this step
Module, after be directly entered be transferred to step S57 mobile terminals will repeat send early warning sound.
Step S58, terminate；
By operation selected above, the flow of third embodiment of the invention is completed.
In addition, being based on the above method, the embodiment of the present invention is also corresponding to provide a kind of overspeed warning system based on mobile terminal
System, referring to Fig. 4, Fig. 4 is a kind of structure mould of the preferred embodiment of overspeed warning system first based on mobile terminal of the present invention
Block schematic diagram.
The described overspeed warning system based on mobile terminal, including：
Module 60 is pre-set, the navigation feature of mobile terminal is opened for pre-setting, and receives user operation instruction,
Unlocking vehicle overspeed warning function；The specifically example as described in above-mentioned step S1.
Speed limit acquisition module 61, for passing through acquisition for mobile terminal current vehicle position speed limit vm；Specific such as above-mentioned step
Example described in S210, S211.
Speed acquiring module 62, for passing through acquisition for mobile terminal vehicle current driving speed v1；Specific such as above-mentioned step
Example described in S22.
Acceleration acquisition module 63, for the acceleration a1 by acquisition for mobile terminal vehicle；Specific such as above-mentioned step S22
The example.
Computing module 64, for based on current vehicle position speed limit vm, present speed v1, acceleration a1, calculating vehicle and arriving
The time t1 needed up to current location speed limit vm, calculation formula are as follows：t1=(vm-v1)/a1；Specifically as described in above-mentioned step S3
Example.
Judge module 65, for judging whether t1 is less than default early warning thresholding tm, it can repeat to send if t1 is less than tm
Early warning reminds driver by can be exceeded the speed limit after present speed running time t1；It can be closed if t1 is more than or equal to early warning thresholding tm
Early warning is reminded；The specifically example as described in above-mentioned step S4.
The speed limit acquisition module 61, including：
First speed limit acquiring unit, current driving location information is uploaded to by remote service by network for mobile terminal
Device, and the speed limit vm of the position is asked for remote server, the speed limit vm of current driving location is then sent by remote server
To mobile terminal, mobile terminal is set to pass through Network Capture current vehicle position speed limit vm;Specifically as described in above-mentioned step S210
Example.
Second speed limit acquiring unit, current driving is obtained by being retrieved in the database of navigation software for mobile terminal
The speed limit vm of position, mobile terminal is set to obtain current vehicle position speed limit vm by the database of navigation software；Specifically as described above
Example described in step S211.
In summary, the overspeed warning method and system provided by the present invention based on mobile terminal, are used up to vehicle
The time that current road speed limit needs and the comparison for setting the time, are reminded so as to send overspeed warning.This technical scheme can be
Detect before vehicle is likely to occur hypervelocity behavior and remind user, it is artificial to driving so as to effectively avoid vehicle that hypervelocity occurs
Into loss, while also have positive role to trying to forestall traffic accidents, method is simple and safe and efficient.
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can
To be improved or converted according to the above description, wanted for example, all these modifications and variations should all belong to right appended by the present invention
The protection domain asked.
Claims (9)
- A kind of 1. overspeed warning method based on mobile terminal, it is characterised in that including：A, the navigation feature for opening mobile terminal is pre-set, and receives user operation instruction, unlocking vehicle overspeed warning function；B, acquisition for mobile terminal current vehicle position speed limit vm is passed through；C, acquisition for mobile terminal vehicle current driving speed v1 is passed through；D, the acceleration a1 of acquisition for mobile terminal vehicle is passed through；E, based on current vehicle position speed limit vm, present speed v1, acceleration a1, calculating vehicle arrival current location speed limit vm needs The time t1 wanted, calculation formula are as follows：t1=(vm-v1)/a1；F, judge whether t1 is less than default early warning thresholding tm, if t1 is less than tm, judge whether prompting module is in open shape State, when being not in open mode, alarm is opened in triggering, and repetition sends early warning and reminds driver by present speed running time t1 After can exceed the speed limit；Early warning can be closed if t1 is more than or equal to early warning thresholding tm to remind；Wherein, the step B~F, triggering execution is carried out every a set time by timer.
- 2. the overspeed warning method according to claim 1 based on mobile terminal, it is characterised in that the step A is also wrapped Include：A1, when mobile terminal receive only user operational order selection open navigation feature.
- 3. the overspeed warning method according to claim 1 based on mobile terminal, it is characterised in that the step B is specific Including：Current driving location information is uploaded to remote server by network, and asked for remote server by B1, mobile terminal The speed limit vm of the position, the speed limit vm for then sending current driving location by remote server make mobile terminal to mobile terminal Pass through Network Capture current vehicle position speed limit vm;Or, mobile terminal obtains the speed limit vm of current driving location by being retrieved in the database of navigation software, make mobile whole End obtains current vehicle position speed limit vm by the database of navigation software.
- 4. the overspeed warning method according to claim 1 based on mobile terminal, it is characterised in that the step C is specific Including：C1, pass through the velocity sensor acquisition vehicle current driving speed v1 on mobile terminal.
- 5. the overspeed warning method according to claim 1 based on mobile terminal, it is characterised in that the step D is specific Including：D1, the acceleration a1 by the acceleration transducer acquisition vehicle on mobile terminal.
- 6. the overspeed warning method according to claim 1 based on mobile terminal, it is characterised in that the step F is specific Including：The operational order that F1, mobile terminal receive user voluntarily sets the default early warning threshold time on menu is set tm。
- 7. the overspeed warning method according to claim 1 based on mobile terminal, it is characterised in that early warning threshold time tm For 4 seconds.
- A kind of 8. overspeed warning system based on mobile terminal, it is characterised in that including：Module is pre-set, the navigation feature of mobile terminal is opened for pre-setting, and receives user operation instruction, opening vehicle Overspeed warning function；Speed limit acquisition module, for passing through acquisition for mobile terminal current vehicle position speed limit vm；Speed acquiring module, for passing through acquisition for mobile terminal vehicle current driving speed v1；Acceleration acquisition module, for the acceleration a1 by acquisition for mobile terminal vehicle；Computing module, for based on current vehicle position speed limit vm, present speed v1, acceleration a1, calculating vehicle and reaching currently The time t1 that position speed limit vm needs, calculation formula are as follows：t1=(vm-v1)/a1；Judge module, for judging whether t1 is less than default early warning thresholding tm, if t1 is less than tm, whether judge prompting module In open mode, when being not in open mode, alarm is opened in triggering, and repetition sends early warning and reminds driver by present speed It can be exceeded the speed limit after running time t1；Early warning can be closed if t1 is more than or equal to early warning thresholding tm to remind；Wherein, the speed limit acquisition module is fixed, speed acquiring module and acceleration acquisition module by when device when one fixes Between carry out triggering execution.
- 9. the overspeed warning system based on mobile terminal according to claim 8, it is characterised in that the speed limit acquisition module Including：First speed limit acquiring unit, current driving location information is uploaded to by remote server by network for mobile terminal, And the speed limit vm of the position is asked for remote server, the speed limit vm of current driving location is then sent to shifting by remote server Dynamic terminal, makes mobile terminal pass through Network Capture current vehicle position speed limit vm;Second speed limit acquiring unit, current driving location is obtained by being retrieved in the database of navigation software for mobile terminal Speed limit vm, mobile terminal is obtained current vehicle position speed limit vm by the database of navigation software.
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| CN103049981B (en) * | 2012-12-13 | 2015-04-15 | 广东欧珀移动通信有限公司 | Safe driving method by utilizing mobile terminal |
| CN203093762U (en) * | 2013-01-15 | 2013-07-31 | 长安大学 | Over-speed alarm system based on navigation map |
| CN104050826A (en) * | 2013-03-14 | 2014-09-17 | 厦门歌乐电子企业有限公司 | Vehicle-mounted warning method, device and vehicle based on vehicle speeds |
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2015
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