CN106274671A - The based reminding method of non-security driving condition and system - Google Patents
The based reminding method of non-security driving condition and system Download PDFInfo
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- CN106274671A CN106274671A CN201610633115.3A CN201610633115A CN106274671A CN 106274671 A CN106274671 A CN 106274671A CN 201610633115 A CN201610633115 A CN 201610633115A CN 106274671 A CN106274671 A CN 106274671A
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- 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
- B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/06—Alarms for ensuring the safety of persons indicating a condition of sleep, e.g. anti-dozing alarms
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Mechanical Engineering (AREA)
- Traffic Control Systems (AREA)
- Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
Abstract
The application provides based reminding method and the system of a kind of non-security driving condition, and wherein, described method includes: sensing driver acts on the grip value on steering wheel;Judge whether that the described grip value sensed is less than the grip threshold value of this driver predetermined and lasting preset duration;If, it is determined that described driver is in non-security driving condition and reminds.The application passes through said method, it is possible to the non-security driving behavior to driver detects and reminds exactly, thus to a certain extent it can be avoided that traffic safety hidden danger.
Description
Technical field
The application relates to automobile technical field, particularly to based reminding method and the system of a kind of non-security driving condition.
Background technology
At present, along with the development of automotive engineering, automobile has become as one of main tool of people's traffic trip.Many known
In week, the unsafe driving behavior of people is one of principal element causing vehicle accident, for example, above-mentioned unsafe driving
Behavior may include that smokes in fatigue driving, startup procedure or makes a phone call.If can be to unsafe driving row of people
For carrying out detecting and reminding for the unsafe driving behavior detected, this is to a certain extent it can be avoided that traffic is pacified
Full hidden danger.And the most above-mentioned unsafe driving behavior is detected, it is current problem demanding prompt solution.
Summary of the invention
In view of this, the application provides based reminding method and the system of a kind of non-security driving condition, to solve prior art
Present in problem above.
Specifically, the application is achieved by the following technical solution:
An aspect according to the application, it is provided that the based reminding method of non-security driving condition, including:
Sensing driver acts on the grip value on steering wheel;
Judge whether that the described grip value sensed less than the grip threshold value of this driver predetermined and continues pre-
If duration;
If, it is determined that described driver is in non-security driving condition and reminds.
According to further aspect of the application, it is provided that the based reminding method of non-security driving condition, including:
Sensing driver acts on the grip value on steering wheel in preset time period;
According to the grip value sensed, determine that described driver acts on putting down on steering wheel in described preset time period
All grip values;
Judge whether described average grip value is less than the grip threshold value of this driver predetermined;
If, it is determined that described driver is in non-security driving condition and reminds.
An aspect according to the application, it is provided that the system for prompting of non-security driving condition, including:
Sensing module, for sensing the grip value that driver acts on steering wheel;
Judge module, for judging whether the described grip value sensed is less than the grip threshold of this driver predetermined
Value and lasting preset duration;
Prompting module, for the described grip value sensed less than this driver predetermined grip threshold value and
When continuing preset duration, determine that described driver is in non-security driving condition and reminds.
According to further aspect of the application, it is provided that the system for prompting of non-security driving condition, including:
Sensing module, for sensing the grip value that driver acts on steering wheel in preset time period;
Determine module, for according to the grip value sensed, determining that described driver acts in described preset time period
Average grip value on steering wheel;
Judge module, for judging whether the described average grip value determined is less than the grip of this driver predetermined
Threshold value;
Prompting module, for being less than the grip threshold value of this driver predetermined in the described average grip value determined
Time, determine that described driver is in non-security driving condition and reminds.
The technical scheme provided from above the embodiment of the present application, by sensing, driver acts on holding on steering wheel
Force value, and whether the described grip value sensed by judgement is less than the grip threshold value of this driver predetermined and continue
Preset duration (or by judging whether the average grip value that described driver acts on steering wheel in preset time period is less than
The grip threshold value of this driver predetermined), determine whether described driver is in non-security driving condition, and driving
Person reminds when being in non-secure states.The application passes through said process, it is possible to the non-security driving to driver exactly
Behavior carries out detecting and reminding, thus to a certain extent it can be avoided that traffic safety hidden danger.
Accompanying drawing explanation
The flow chart of the based reminding method of the non-security driving condition that Fig. 1 provides for the application one embodiment;
The schematic diagram of the electrolyte diaphragm induction apparatus that Fig. 2 provides for the application one embodiment;
The flow chart of the based reminding method of the non-security driving condition that Fig. 3 provides for another embodiment of the application;
The block diagram of the system for prompting of the non-security driving condition that Fig. 4 provides for the application one embodiment;
The block diagram of the system for prompting of the non-security driving condition that Fig. 5 provides for another embodiment of the application.
Detailed description of the invention
Here will illustrate exemplary embodiment in detail, its example represents in the accompanying drawings.Explained below relates to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represents same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the application.On the contrary, they are only with the most appended
The example of the apparatus and method that some aspects that described in detail in claims, the application are consistent.
It is only merely for describing the purpose of specific embodiment at term used in this application, and is not intended to be limiting the application.
" a kind of ", " described " and " being somebody's turn to do " of singulative used in the application and appended claims is also intended to include majority
Form, unless context clearly shows that other implications.It is also understood that term "and/or" used herein refers to and wraps
Any or all containing one or more projects of listing being associated may combination.
Although should be appreciated that in the application possible employing term first, second, third, etc. to describe various information, but this
A little information should not necessarily be limited by these terms.These terms are only used for same type of information is distinguished from each other out.Such as, without departing from
In the case of the application scope, the first information can also be referred to as the second information, and similarly, the second information can also be referred to as
One information.Depend on linguistic context, word as used in this " if " can be construed to " ... time " or " when ...
Time " or " in response to determining ".
As it is shown in figure 1, the based reminding method of the non-security driving condition of the application one embodiment offer, comprise the steps:
S101: sensing driver acts on the grip value on steering wheel.
In the embodiment of the present application, can be sensed by the electrolyte diaphragm induction apparatus being installed on described steering wheel and drive
The grip value of the person of sailing.With reference to shown in Fig. 2, for the schematic diagram of electrolyte diaphragm induction apparatus, electrolyte diaphragm induction apparatus can include
Two, and the appointment position of the left and right side being installed in respectively on steering wheel, so that guarantee during normal driving can be by
Two handss of driver are touched.Above-mentioned electrolyte diaphragm induction apparatus may include that electrolyte diaphragm 10, is arranged at this electricity and is situated between
Signal transmitting terminal 11 on plasma membrane sheet 10 and signal receiving end 12, and signal projector and signal receiver.Wherein, electrolyte
Diaphragm induction apparatus is the principle utilizing sensing conduction to the grip value that detects driver and act on steering wheel (in order to characterize grip
Size), the signal source launched from sender unit enters electrolyte diaphragm by above-mentioned signal transmitting terminal 11, and can be at this electricity
The built-in vertical electric field of medium diaphragm, finally, the electric field signal produced in above-mentioned electrolyte diaphragm can be sent also by signal receiving end
Received by signal receiver.In the case of above-mentioned electrolyte diaphragm does not contacts with external conducting object, above-mentioned signal connects
The signal of receiving end is metastable.And when above-mentioned electrolyte diaphragm contacts with external conducting object (such as: the hands of driver),
The internal electric field produced of electrolyte diaphragm will be interfered, and can with the external conducting object of above-mentioned electrolyte film contact
To take away portion of electrical current signal, so that the signal intensity gone out from above-mentioned signal receiving end 12 can die down.Need explanation
That the hands of driver is the biggest to the grip of above-mentioned electrolyte diaphragm, then the signal intensity meeting gone out from above-mentioned signal receiving end 12
Correspondingly weaken, on the contrary, the hands of driver is the least to the grip of above-mentioned electrolyte diaphragm, then go out from above-mentioned signal receiving end 12
The signal intensity gone can correspondingly strengthen.Based on above principle, above-mentioned electrolyte diaphragm induction apparatus can be by detection from letter
Number signal strength values that receiving terminal 12 is gone out, correspondingly determines the big of grip value on the electrolyte diaphragm acting on steering wheel
Little.Certainly, it should be mentioned that, the factor affecting the above-mentioned signal strength values gone out from signal receiving end 12 can also include:
The hands of driver and the contact area of above-mentioned electrolyte diaphragm.That is, the hands of driver and the contact area of above-mentioned electrolyte diaphragm
The biggest, the signal intensity gone out from above-mentioned signal receiving end 12 is the most weak, otherwise, the signal gone out from above-mentioned signal receiving end 12 is strong
Degree can be the strongest.
It should be noted that above-mentioned grip value can also be sensed by some conventional pressure transducers, do not limit to
In above-mentioned electrolyte diaphragm induction apparatus.
It is known that for being identified as unsafe various driving behavior at present (such as: fatigue driving, startup procedure
Middle smoking or make a phone call), the general character existed is: driver can loosen the hands gripping action to steering wheel, and this is embodied in driving
The grip value that person acts on steering wheel is less.Such as, the when of smoking or make a phone call, driver be usually singlehanded prosecutor to
Dish;Fatigue driving when, the attention of driver is easily disperseed, and also can loosen the control to steering wheel.It addition, above-mentioned not
The driving behavior of safety also includes: the both hands of intentional property or de-of one hand etc..Based on above cognitive, can be driven by sensing
Person acts on the size of the grip value of steering wheel, detects unsafe driving behavior or driving condition.
S102: judge whether that the described grip value sensed less than the grip threshold value of this driver predetermined and is held
Continuous preset duration;If so, following step S103 is entered.
Find during realizing the application scheme: for different drivers, it is contemplated that individual difference
(such as: sex, the age, driving habits etc.), its factor such as hand grip or hand size also can be not quite similar, and this is accomplished by as often
One driver determines a criterion the most matched, the grip threshold value that i.e. above-mentioned steps S102 is mentioned.The application one
In embodiment, above-mentioned grip threshold value can be to act on when being in safe driving state according to the described driver sensed in advance
Grip value on described steering wheel determines.
Next the process how determining above-mentioned grip threshold value will specifically be introduced.
In the application one specific embodiment, determine that the process of the grip threshold value of driver may include that
Sensing driver, when vehicle is in cold start, acts on the minimum grip value of first on steering wheel, and will
Described first minimum grip value is defined as the grip threshold value of described driver.Usually, vehicle is in cold start and (can lead to
Cross the water temperature of detection electromotor to determine whether cold start) time, generally it can be assumed that this driver is not fatigue driving
State, i.e. safe driving state, driver acts on the grip value on steering wheel when cold start can represent safe driving
Sail the normal grip standard of state.Above-mentioned first minimum grip value can characterize the driver side of acting under cold start
To the minimum grip of dish.Generally, can be successively recorded in a period of time (such as 10 minutes) from the letter of above-mentioned signal receiving end 12
Number intensity, to determine the fluctuation range (i.e. minima and maximum) of signal intensity, finally, obtains the above-mentioned first minimum grip
Value: Fmin_rec.
In another specific embodiment of the application, determine that the process of the grip threshold value of driver may include that
Sensing driver, when vehicle is in turn condition, acts on the minimum grip value of second on steering wheel, and according to
Described second minimum grip value determines the grip threshold value of described driver.Generally, can be identified except above-mentioned cold start
Outside for safe driving state, when automobile is turned in the process of moving, it is also possible to assert that driver acts on the grip on steering wheel
Value can represent normal level (during because turning, being typically necessary and steering wheel applies bigger power, ability steering wheel rotation).
Above-mentioned second minimum grip value: Fmin_est can be characterized in vehicle when being in turn condition, and driver acts on steering wheel
Minimum grip value.
In the another embodiment of the application, determine that the process of the grip threshold value of driver may include that
First, sensing driver acts on the minimum grip value of first on steering wheel when vehicle is in cold start:
Fmin_rec;
Secondly, sensing driver acts on the minimum grip value of second on steering wheel when vehicle is in turn condition:
Fmin_est;
Finally, according to the described first minimum grip value: Fmin_rec and the described second minimum grip value: Fmin_est, really
The grip threshold value of fixed described driver.In certain embodiments, according to described first minimum grip value and described second
Little grip value, determines the process of the grip threshold value of described driver, including:
Sense described second minimum grip value is multiplied by the predetermined coefficient a (such as 60%) between 0~1, obtains the 3rd
Grip value: a*Fmin_est;
The smaller of the described first minimum grip value: Fmin_rec and described 3rd grip value: a*Fmin_est is determined
Grip threshold value for described driver.
Certainly, in other specific embodiments of the application, it is also possible to by above-mentioned first minimum grip value: Fmin_rec and above-mentioned
The average of the second minimum grip value: Fmin_est is defined as the grip threshold value of described driver.
It should be noted that above-mentioned predetermined grip threshold value can be that above-mentioned driver is at safe driving state (bag
Include turn condition in cold start and driving process) the minimum grip value that acts on steering wheel, it is also possible to it is above-mentioned driving
Person acts on the average grip value on steering wheel in safe driving state.It addition, for guaranteeing to detect the standard of unsafe driving state
Exactness, above-mentioned grip threshold value can periodically or non-periodically update.A kind of concrete scene is: an automobile has multiple driving
Person, then, when driver changes, automobile can redefine the grip threshold value corresponding with current drivers.
It addition, as feasible implementation, the grip threshold value of each driver can also be by the way of artificial input
Obtain.For example, it is possible to inputted the information such as the height of self, body weight, sex by driver, by automotive control system according to input
Information determine the grip threshold value etc. corresponding with current drivers.
Also, it should be noted in the application other specific embodiment, above-mentioned steps S102 may is that
Judge whether that the described grip value sensed is predetermined less than the grip threshold value of this driver predetermined and one
The product of coefficient (such as: 70%), and continue preset duration.
S103: determine that described driver is in non-security driving condition and reminds.
If the described grip value sensed is less than the grip threshold value of this driver predetermined and lasting preset duration
(such as 30 seconds), it may be determined that described driver is in non-security driving condition and reminds.Can be above-mentioned according to sense
Grip value and the corresponding relation of time, set up a two-dimentional changing trend diagram, and judge according to this two dimension changing trend diagram.Carry
The mode waken up can include but not limited to: sounds the alarm, voice message, vibration, word prompting etc..
In the application one embodiment, it is determined that whether described driver is in the condition of non-security driving condition except above-mentioned bar
Part: " judge whether when the described grip value sensed less than the grip threshold value of this driver predetermined and is persistently preset
Long " outside, it is also possible to include following condition: " judging whether the vehicle that this driver drives is in craspedodrome state ".Because if
Vehicle does not has transport condition (i.e. speed is zero), although or travelling, but vehicle (especially, is crossing one in turning
Long bend), the prompting to non-security driving condition is nonsensical.When above-mentioned two condition all meets, system just can be really
Fixed described driver is in non-security driving condition and reminds.
Additionally, in the embodiment of the present application, owing to being mounted with two electrolyte diaphragm induction apparatuss on the steering wheel, can set
Different alarm mechanisms, such as:
Short time one hand handle, but grip value is normal, and IC icon and word are reminded;
Long-time singlehanded handle, but grip is normal, and IC icon and word flicker, with audible alarm in short-term;
Short time one hand handle, grip is little, and IC icon and word flicker, with continuous audible alarm;
Long-time singlehanded handle, grip is little, and IC icon and word flicker, with continuous audible alarm, actively reduction of speed.
The based reminding method of the non-security driving condition shown in above-mentioned Fig. 1, can act on steering wheel by sensing driver
On grip value, and the described grip value sensed by judgement whether less than this driver predetermined grip threshold value also
And continue preset duration, determine whether described driver is in non-security driving condition, and be in non-security shape driver
Remind during state.The application non-security driving behavior to driver can detect and remind exactly, thus
To a certain extent it can be avoided that traffic safety hidden danger.
The flow process of the based reminding method of the non-security driving condition that Fig. 3 provides for another embodiment of the application, including:
S201: sensing driver acts on the grip value on steering wheel in preset time period (such as: 30 seconds).
S202: according to the grip value sensed, determines that described driver acts on steering wheel in described preset time period
On average grip value.Such as, in 30 seconds, sense 100 grip values, then calculate the meansigma methods of these 100 grip values.
S203: judge whether described average grip value is less than the grip threshold value of this driver predetermined.If so, enter
Step S204.With reference to introduction to grip threshold value above, the most no longer repeated.
S204: determine that described driver is in non-security driving condition and reminds.
In the optional specific embodiment of the application one, before above-mentioned steps S204, described method also includes:
Judge that whether the speed of vehicle is more than pre-set velocity threshold value;Such as, pre-set velocity threshold value is 5km/h.
Judge that whether the corner of steering wheel of vehicle is more than predetermined angle threshold value;Such as, predetermined angle threshold value is 2 °.
Correspondingly, above-mentioned steps S204 includes:
Be less than the grip threshold value of this driver predetermined in the described average grip value determined, the speed of vehicle is more than
When the corner of the steering wheel of pre-set velocity threshold value and vehicle is more than predetermined angle threshold value, determine that described driver is in non-security
Driving condition is also reminded.It is to say, by least setting above three Rule of judgment, bar can be judged in above three
The when that the judged result of part being all "Yes", determine that current drivers is in non-security driving condition, thus improve the non-peace of identification
The accuracy of full driving condition.
The based reminding method of the non-security driving condition shown in above-mentioned Fig. 3, can act on steering wheel by sensing driver
On grip value, and calculate average grip value according to the grip value that senses, then by judging that described driver is at Preset Time
Act in Duan whether the average grip value on steering wheel is less than the grip threshold value of this driver predetermined, determine described
Whether driver is in non-security driving condition, and reminds when driver is in non-secure states.The application is by upper
State process, it is possible to the non-security driving behavior to driver detects and reminds exactly, thus to a certain extent
It can be avoided that traffic safety hidden danger.
The block diagram of the system for prompting of the non-security driving condition that Fig. 4 provides for the application one embodiment.In the present embodiment, one
Plant the system for prompting of non-security driving condition, including:
Sensing module 101, for sensing the grip value that driver acts on steering wheel;
Judge module 102, for judging whether the described grip value sensed is less than holding of this driver predetermined
Power threshold value and lasting preset duration;
Prompting module 103, for being less than the grip threshold value of this driver predetermined in the described grip value sensed
And when continuing preset duration, determine that described driver is in non-security driving condition and reminds.
The system for prompting of the non-security driving condition shown in above-mentioned Fig. 4, can act on steering wheel by sensing driver
On grip value, and the described grip value sensed by judgement whether less than this driver predetermined grip threshold value also
And continue preset duration, determine whether described driver is in non-security driving condition, and be in non-security shape driver
Remind during state.The application non-security driving behavior to driver can detect and remind exactly, thus
To a certain extent it can be avoided that traffic safety hidden danger.
In the optional specific embodiment of the application one, described grip threshold value is to exist according to the described driver sensed in advance
Act on what the grip value on described steering wheel determined when being in safe driving state.
In the optional specific embodiment of the application one, described system also includes grip threshold determination module, described grip threshold
Value determine module for:
Sensing driver acts on the minimum grip value of first on steering wheel when vehicle is in cold start, and by institute
State the first minimum grip value and be defined as the grip threshold value of described driver;Or,
Sensing driver acts on the minimum grip value of second on steering wheel when vehicle is in turn condition, and according to institute
State the second minimum grip value and determine the grip threshold value of described driver;Or,
Sensing driver acts on the minimum grip value of first on steering wheel when vehicle is in cold start;
Sensing driver acts on the minimum grip value of second on steering wheel when vehicle is in turn condition;
According to the described first minimum grip value and the described second minimum grip value, determine the grip threshold value of described driver.
The block diagram of the system for prompting of the non-security driving condition that Fig. 5 provides for another embodiment of the application.In the present embodiment,
A kind of system for prompting of non-security driving condition, including:
Sensing module 201, for sensing the grip value that driver acts on steering wheel in preset time period;
Determine module 202, for according to the grip value sensed, determining that described driver makees in described preset time period
Average grip value on steering wheel;
Judge module 203, for judging that whether the described average grip value determined is less than this driver's predetermined
Grip threshold value;
Prompting module 204, for being less than the grip threshold of this driver predetermined in the described average grip value determined
During value, determine that described driver is in non-security driving condition and reminds.
In the optional specific embodiment of the application one, described judge module 203 can be also used for:
Judge that whether the speed of vehicle is more than pre-set velocity threshold value;
Judge that whether the corner of steering wheel of vehicle is more than predetermined angle threshold value;
Correspondingly, described prompting module 204 is used for:
Be less than the grip threshold value of this driver predetermined in the described average grip value determined, the speed of vehicle is more than
When the corner of the steering wheel of pre-set velocity threshold value and vehicle is more than predetermined angle threshold value, determine that described driver is in non-security
Driving condition is also reminded.By setting multiple Rule of judgment, the accuracy identifying non-security driving condition can be improved.
The system for prompting of the non-security driving condition shown in above-mentioned Fig. 5, can act on steering wheel by sensing driver
On grip value, and calculate average grip value according to the grip value that senses, then by judging that described driver is at Preset Time
Act in Duan whether the average grip value on steering wheel is less than the grip threshold value of this driver predetermined, determine described
Whether driver is in non-security driving condition, and reminds when driver is in non-secure states.The application is by upper
State process, it is possible to the non-security driving behavior to driver detects and reminds exactly, thus to a certain extent
It can be avoided that traffic safety hidden danger.
The foregoing is only the preferred embodiment of the application, not in order to limit the application, all essences in the application
Within god and principle, any modification, equivalent substitution and improvement etc. done, should be included within the scope of the application protection.
Claims (15)
1. the based reminding method of a non-security driving condition, it is characterised in that including:
Sensing driver acts on the grip value on steering wheel;
Judge whether when the described grip value sensed less than the grip threshold value of this driver predetermined and is persistently preset
Long;
If, it is determined that described driver is in non-security driving condition and reminds.
2. the method for claim 1, it is characterised in that described grip threshold value is according to the described driving sensed in advance
Person acts on what the grip value on described steering wheel determined when being in safe driving state.
3. method as claimed in claim 1 or 2, it is characterised in that determine the grip threshold value of described driver, including:
Sensing driver acts on the minimum grip value of first on steering wheel when vehicle is in cold start, and by described the
One minimum grip value is defined as the grip threshold value of described driver;Or,
Sensing driver acts on the minimum grip value of second on steering wheel when vehicle is in turn condition, and according to described the
Two minimum grip values determine the grip threshold value of described driver;Or,
Sensing driver acts on the minimum grip value of first on steering wheel when vehicle is in cold start;
Sensing driver acts on the minimum grip value of second on steering wheel when vehicle is in turn condition;
According to the described first minimum grip value and the described second minimum grip value, determine the grip threshold value of described driver.
4. method as claimed in claim 3, it is characterised in that hold according to the described first minimum grip value and described second minimum
Force value, determines the grip threshold value of described driver, including:
Sense described second minimum grip value is multiplied by the predetermined coefficient between 0~1, obtains the 3rd grip value;
The smaller of the described first minimum grip value and described 3rd grip value is defined as the grip threshold value of described driver.
5. the method for claim 1, it is characterised in that determine that described driver is in non-security driving condition and carries out
Remind, specifically include:
If the described grip value sensed is less than the grip threshold value of this driver predetermined and lasting preset duration, it is judged that
Whether the vehicle that this driver drives is in craspedodrome state;
If so, determine that described driver is in non-security driving condition and reminds.
6. the method for claim 1, it is characterised in that the grip value that described driver acts on steering wheel is to pass through
The electrolyte diaphragm induction apparatus being installed on described steering wheel senses.
7. the based reminding method of a non-security driving condition, it is characterised in that including:
Sensing driver acts on the grip value on steering wheel in preset time period;
According to the grip value sensed, determine that described driver acts on averagely holding on steering wheel in described preset time period
Force value;
Judge whether described average grip value is less than the grip threshold value of this driver predetermined;
If, it is determined that described driver is in non-security driving condition and reminds.
8. method as claimed in claim 7, it is characterised in that described grip threshold value is according to the described driving sensed in advance
Person acts on what the grip value on described steering wheel determined when being in safe driving state.
9. method as claimed in claim 7, it is characterised in that described method also includes:
Judge that whether the speed of vehicle is more than pre-set velocity threshold value;
Judge that whether the corner of steering wheel of vehicle is more than predetermined angle threshold value;
Then, determine that described driver is in non-security driving condition and reminds, including:
Be less than the grip threshold value of this driver predetermined in the described average grip value determined, the speed of vehicle is more than presetting
When the corner of the steering wheel of threshold speed and vehicle is more than predetermined angle threshold value, determine that described driver is in non-security driving
State is also reminded.
10. the system for prompting of a non-security driving condition, it is characterised in that including:
Sensing module, for sensing the grip value that driver acts on steering wheel;
Judge module, for judging whether the described grip value sensed is less than the grip threshold value of this driver predetermined also
And continue preset duration;
Prompting module, for and continuing less than the grip threshold value of this driver predetermined in the described grip value sensed
During preset duration, determine that described driver is in non-security driving condition and reminds.
11. systems as claimed in claim 10, it is characterised in that described grip threshold value is driven according to sensing in advance
The person of sailing acts on what the grip value on described steering wheel determined when being in safe driving state.
12. systems as described in claim 10 or 11, it is characterised in that described system also includes grip threshold determination module,
Described grip threshold determination module is used for:
Sensing driver acts on the minimum grip value of first on steering wheel when vehicle is in cold start, and by described the
One minimum grip value is defined as the grip threshold value of described driver;Or,
Sensing driver acts on the minimum grip value of second on steering wheel when vehicle is in turn condition, and according to described the
Two minimum grip values determine the grip threshold value of described driver;Or,
Sensing driver acts on the minimum grip value of first on steering wheel when vehicle is in cold start;
Sensing driver acts on the minimum grip value of second on steering wheel when vehicle is in turn condition;
According to the described first minimum grip value and the described second minimum grip value, determine the grip threshold value of described driver.
The system for prompting of 13. 1 kinds of non-security driving conditions, it is characterised in that including:
Sensing module, for sensing the grip value that driver acts on steering wheel in preset time period;
Determine module, for according to the grip value sensed, determining described driver side of acting in described preset time period
Average grip value on dish;
Judge module, for judging whether the described average grip value determined is less than the grip threshold of this driver predetermined
Value;
Prompting module, during for being less than the grip threshold value of this driver predetermined in the described average grip value determined, really
Fixed described driver is in non-security driving condition and reminds.
14. systems as claimed in claim 13, it is characterised in that described grip threshold value is driven according to sensing in advance
The person of sailing acts on what the grip value on described steering wheel determined when being in safe driving state.
15. systems as claimed in claim 13, it is characterised in that described judge module is additionally operable to:
Judge that whether the speed of vehicle is more than pre-set velocity threshold value;
Judge that whether the corner of steering wheel of vehicle is more than predetermined angle threshold value;
The most described prompting module is used for:
Be less than the grip threshold value of this driver predetermined in the described average grip value determined, the speed of vehicle is more than presetting
When the corner of the steering wheel of threshold speed and vehicle is more than predetermined angle threshold value, determine that described driver is in non-security driving
State is also reminded.
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CN201610633115.3A CN106274671B (en) | 2016-08-04 | 2016-08-04 | The based reminding method and system of non-security driving condition |
Applications Claiming Priority (1)
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