CN106274671B - The based reminding method and system of non-security driving condition - Google Patents
The based reminding method and system of non-security driving condition Download PDFInfo
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- CN106274671B CN106274671B CN201610633115.3A CN201610633115A CN106274671B CN 106274671 B CN106274671 B CN 106274671B CN 201610633115 A CN201610633115 A CN 201610633115A CN 106274671 B CN106274671 B CN 106274671B
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- grip
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- steering wheel
- threshold value
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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
-
- 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
Abstract
The application provides the based reminding method and system of a kind of non-security driving condition, wherein the described method includes: sensing driver acts on the grip value on steering wheel；Judge whether that the grip value sensed is less than the grip threshold value of the predetermined driver and continues preset duration；If so, determining that the driver is in non-security driving condition and reminds.The application accurately can be detected and be reminded to the non-security driving behavior of driver, to can be avoided traffic safety hidden danger to a certain extent by the above method.
Description
Technical field
This application involves automobile technical field, in particular to a kind of the based reminding method and system of non-security driving condition.
Background technique
Currently, automobile has become one of the main tool of people's traffic trip with the development of automotive engineering.Known to crowd
In week, the unsafe driving behavior of people is to cause one of principal element of traffic accident, for example, above-mentioned unsafe driving
Behavior may include: fatigue driving, smoke or make a phone call in startup procedure.If can be to unsafe driving row of people
Detect and being reminded for the unsafe driving behavior detected, this can be avoided traffic peace to a certain extent
Full hidden danger.And how accurately above-mentioned unsafe driving behavior to be detected, it is current urgent problem to be solved.
Summary of the invention
In view of this, the application provides the based reminding method and system of a kind of non-security driving condition, to solve the prior art
Present in problem above.
Specifically, the application is achieved by the following technical solution:
According to the one aspect of the application, the based reminding method of the non-security driving condition provided, comprising:
Sensing driver acts on the grip value on steering wheel；
Judge whether that the grip value sensed is less than the grip threshold value of the predetermined driver and continues pre-
If duration；
If so, determining that the driver is in non-security driving condition and reminds；
Determine the grip threshold value of the driver, comprising:
Sensing driver acts on the first minimum grip value on steering wheel when vehicle be in cold start, and by institute
State the grip threshold value that the first minimum grip value is determined as the driver；Or,
Sensing driver acts on the second minimum grip value on steering wheel when vehicle is in turn condition, and according to institute
State the grip threshold value that the second minimum grip value determines the driver；Or,
Sensing driver acts on the first minimum grip value on steering wheel when vehicle is in cold start；
Sensing driver acts on the second minimum grip value on steering wheel when vehicle is in turn condition；
According to the described first minimum grip value and the second minimum grip value, the grip threshold value of the driver is determined.
According to further aspect of the application, the based reminding method of the non-security driving condition provided, comprising:
Sensing driver acts on the grip value on steering wheel within a preset period of time；
According to the grip value sensed, it is flat on steering wheel to determine that the driver acts in the preset time period
Equal grip value；
Judge whether the average grip value is less than the grip threshold value of the predetermined driver；
If so, determining that the driver is in non-security driving condition and reminds.
According to the one aspect of the application, the system for prompting of the non-security driving condition provided, comprising:
Sensing module, the grip value acted on steering wheel for sensing driver；
Judgment module, for judging whether the grip value sensed is less than the grip threshold of the predetermined driver
It is worth and continues preset duration；
Reminding module, for the grip value sensed be less than the predetermined driver grip threshold value and
When continuing preset duration, determine that the driver is in non-security driving condition and reminds, the grip threshold value is basis
The driver sensed in advance grip value for acting on the steering wheel when being in safe driving state determines.
According to further aspect of the application, the system for prompting of the non-security driving condition provided, comprising:
Sensing module, the grip value acted on steering wheel within a preset period of time for sensing driver；
Determining module, for determining that the driver acts in the preset time period according to the grip value sensed
In the average grip value on steering wheel；
Judgment module, for judging whether the determining average grip value is less than the grip of the predetermined driver
Threshold value；
Reminding module, for being less than the grip threshold value of the predetermined driver in the determining average grip value
When, determine that the driver is in non-security driving condition and reminds.
As can be seen from the technical scheme provided by the above embodiments of the present application, holding on steering wheel is acted on by sensing driver
Force value, and whether the grip threshold value of the predetermined driver is less than by the grip value that judgement senses and is continued
Preset duration (or whether the average grip value by judging that the driver is acted within a preset period of time on steering wheel is less than
The grip threshold value of the predetermined driver), to determine whether the driver is in non-security driving condition, and driving
Person reminds when being in non-secure states.The application by the above process, can be accurately to the non-security driving of driver
Behavior is detected and is reminded, to can be avoided traffic safety hidden danger to a certain extent.
Detailed description of the invention
Fig. 1 is the flow chart of the based reminding method for the non-security driving condition that one embodiment of the application provides；
Fig. 2 is the schematic diagram for the dielectric diaphragm inductor that one embodiment of the application provides；
Fig. 3 is the flow chart of the based reminding method for the non-security driving condition that another embodiment of the application provides；
Fig. 4 is the block diagram of the system for prompting for the non-security driving condition that one embodiment of the application provides；
Fig. 5 is the block diagram of the system for prompting for the non-security driving condition that another embodiment of the application provides.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the application.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the application.
It is only to be not intended to be limiting the application merely for for the purpose of describing particular embodiments in term used in this application.
It is also intended in the application and the "an" of singular used in the attached claims, " described " and "the" including majority
Form, unless the context clearly indicates other meaning.It is also understood that term "and/or" used herein refers to and wraps
It may be combined containing one or more associated any or all of project listed.
It will be appreciated that though various information, but this may be described using term first, second, third, etc. in the application
A little information should not necessarily be limited by these terms.These terms are only used to for same type of information being distinguished from each other out.For example, not departing from
In the case where the application range, 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.Depending on context, word as used in this " if " can be construed to " ... when " or " when ...
When " or " in response to determination ".
As shown in Figure 1, the based reminding method for the non-security driving condition that one embodiment of the application provides, includes the following steps:
S101: sensing driver acts on the grip value on steering wheel.
In the embodiment of the present application, it can be driven by the dielectric diaphragm inductor being installed on the steering wheel to sense
The grip value for the person of sailing.It is the schematic diagram of dielectric diaphragm inductor referring to shown in Fig. 2, dielectric diaphragm inductor may include
Two, and the designated position for the left and right side being installed on steering wheel respectively, with ensure during normal drive can be by
Two hands of driver are touched.Above-mentioned dielectric diaphragm inductor may include: dielectric diaphragm 10, be set to electricity Jie
Signal transmitting terminal 11 and signal receiving end 12 and signal projector and signal receiver on plasma membrane piece 10.Wherein, dielectric
Diaphragm inductor is that grip value that driver acts on steering wheel is detected using the conductive principle of induction (to characterize grip
Size), the signal source emitted from sender unit enters dielectric diaphragm by above-mentioned signal transmitting terminal 11, and can be in the electricity
The built-in vertical electric field of medium diaphragm, finally, the electric field signal generated in above-mentioned dielectric diaphragm can be issued simultaneously by signal receiving end
It is received by signal receiver.In the case where above-mentioned dielectric diaphragm is not contacted with external conducting object, above-mentioned signal is connect
The signal of receiving end is metastable.And when above-mentioned dielectric diaphragm and external conducting object (such as: the hand of driver) contact,
The electric field generated inside dielectric diaphragm will be interfered, and can with the external conducting object of above-mentioned dielectric film contact
To take away portion of electrical current signal, so that can die down from the signal strength that above-mentioned signal receiving end 12 is gone out.It needs to illustrate
It is that the hand of driver is bigger to the grip of above-mentioned dielectric diaphragm, then the signal strength meeting gone out from above-mentioned signal receiving end 12
Correspondingly weaken, on the contrary, the hand of driver is smaller to the grip of above-mentioned dielectric diaphragm, then goes out from above-mentioned signal receiving end 12
The signal strength gone can correspondingly enhance.Based on above principle, above-mentioned dielectric diaphragm inductor can be by detecting from letter
The signal strength indication that number receiving end 12 is gone out, come correspondingly determine the dielectric film on piece for acting on steering wheel grip value it is big
It is small.Certainly, it should be mentioned that, the factor for influencing the above-mentioned signal strength indication gone out from signal receiving end 12 can also include:
The contact area of the hand of driver and above-mentioned dielectric diaphragm.That is, the contact area of the hand of driver and above-mentioned dielectric diaphragm
Bigger, the signal strength gone out from above-mentioned signal receiving end 12 is weaker, conversely, the signal gone out from above-mentioned signal receiving end 12 is strong
Degree can be stronger.
It should be noted that above-mentioned grip value can also be sensed by conventional some pressure sensors, do not limit to
In above-mentioned dielectric diaphragm inductor.
It is well known that for be identified as at present unsafe various driving behaviors (such as: fatigue driving, startup procedure
Middle smoking is made a phone call), existing general character is: driver can loosen hand to the gripping action of steering wheel, this is embodied in driving
It is smaller that person acts on the grip value on steering wheel.For example, driver is usually singlehanded control direction when smoking or make a phone call
Disk；When fatigue driving, the attention of driver is easy dispersion, can also loosen the control to steering wheel.In addition, it is above-mentioned not
The driving behavior of safety further include: both hands or one hand de- etc. of intentional property.Based on the above cognition, can be driven by sensing
Person acts on the size of the grip value of steering wheel, to detect unsafe driving behavior or driving condition.
S102: judge whether that the grip value sensed is less than the grip threshold value of the predetermined driver and holds
Continuous preset duration；If so, into following step S103.
It is found during realizing application scheme: for different drivers, it is contemplated that individual difference
(such as: gender, age, driving habit etc.), the factors such as hand grip or hand size can also be not quite similar, this just needs to be every
One driver determines the criterion matched therewith, the i.e. grip threshold value that above-mentioned steps S102 is referred to.The application one
In embodiment, above-mentioned grip threshold value be can be according to the driver sensed in advance effect when in safe driving state
It is determined in grip value on the steering wheel.
Next how specific introduction is determined to the process of above-mentioned grip threshold value.
In one specific embodiment of the application, determine that the process of the grip threshold value of driver may include:
Driver is sensed when vehicle is in cold start, acts on the first minimum grip value on steering wheel, and will
Described first minimum grip value is determined as the grip threshold value of the driver.Generally, vehicle is in cold start and (can lead to
The water temperature of detection engine is crossed to determine whether cold start) when, usually it can be assumed that the driver is not fatigue driving
State, i.e. safe driving state, the grip value that driver acts on steering wheel in cold start can represent safety and drive
Sail the normal grip standard of state.Above-mentioned first minimum grip value can characterize the side of acting on of driver in the cold start state
To the minimum grip of disk.In general, the letter in a period of time (such as 10 minutes) from above-mentioned signal receiving end 12 can be successively recorded in
Number intensity finally, obtains the above-mentioned first minimum grip to determine the fluctuation range (i.e. minimum value and maximum value) of signal strength
Value: Fmin_rec.
In the application another specific embodiment, determine that the process of the grip threshold value of driver may include:
Driver is sensed when vehicle be in turn condition, acts on the second minimum grip value on steering wheel, and according to
Described second minimum grip value determines the grip threshold value of the driver.In general, in addition to above-mentioned cold start can be identified
Outside for safe driving state, when automobile is turned in the process of moving, also it can be assumed that driver acts on the grip on steering wheel
Value can represent normal level (because when turning, be typically necessary and apply biggish power, ability steering wheel rotation to steering wheel).
Above-mentioned second minimum grip value: when Fmin_est can be characterized in vehicle and be in turn condition, driver is acted 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:
Firstly, sensing driver acts on the first minimum grip value on steering wheel when vehicle is in cold start:
Fmin_rec；
Secondly, sensing driver acts on the second minimum grip value on steering wheel when vehicle is in turn condition:
Fmin_est；
Finally, according to the described first minimum grip value: Fmin_rec and the second minimum grip value: Fmin_est, really
The grip threshold value of the fixed driver.In certain embodiments, most according to the described first minimum grip value and described second
Small grip value, determines the process of the grip threshold value of the driver, comprising:
By the sense described second minimum grip value multiplied by the predetermined coefficient a (such as 60%) between 0~1, third is obtained
Grip value: a*Fmin_est；
By the described first minimum grip value: Fmin_rec and the third grip value: the smaller of a*Fmin_est determines
For the grip threshold value of the driver.
It certainly, can also be by the above-mentioned first minimum grip value in other specific embodiments of the application: Fmin_rec and above-mentioned
Second minimum grip value: the mean value of Fmin_est is determined as the grip threshold value of the driver.
It should be noted that above-mentioned predetermined grip threshold value can be above-mentioned driver in safe driving state (packet
Include turn condition in cold start and driving process) minimum grip value on steering wheel is acted on, it is also possible to above-mentioned driving
Person acts on the average grip value on steering wheel in safe driving state.In addition, to ensure to detect the standard of unsafe driving state
Exactness, above-mentioned grip threshold value can periodically or non-periodically update.A kind of specific scene is: an automobile has multiple driving
Person, then when driver replaces, automobile can redefine grip threshold value corresponding with current drivers.
In addition, the grip threshold value of each driver can also be by way of artificially inputting as feasible implementation
To obtain.For example, the height of itself can be inputted by driver, and weight, the information such as gender, by automotive control system according to input
Information determine grip threshold value corresponding with current drivers etc..
It should also be noted that, above-mentioned steps S102 may is that in the application other specific embodiment
Judge whether that the grip value sensed is less than the grip threshold value of the predetermined driver and one makes a reservation for
Coefficient (such as: product 70%), and continue preset duration.
S103: determine that the driver is in non-security driving condition and reminds.
If the grip value sensed is less than the grip threshold value of the predetermined driver and continues preset duration
(such as 30 seconds) can determine that the driver is in non-security driving condition and reminds.It can be above-mentioned according to what is sensed
The corresponding relationship of grip value and time establishes a two-dimentional trend chart, and determines according to the two dimension trend chart.It mentions
Awake mode can include but is not limited to: it sounds the alarm, voice prompting, and vibration, text prompting etc..
In one embodiment of the application, determine whether the driver is in the condition of non-security driving condition in addition to above-mentioned item
Part: " when judging whether that the grip value sensed is less than the grip threshold value of the predetermined driver and persistently presets
It is long " except, it can also include following conditions: " whether the vehicle for judging that the driver drives is in straight-going state ".Because if
Vehicle not driving status (i.e. speed is zero), although travelling, vehicle turning (particularly, cross one
Long bend), the prompting to non-security driving condition is nonsensical.When above-mentioned two condition all meets, system just can be true
The fixed driver is in non-security driving condition and reminds.
In addition, due to being mounted with two dielectric diaphragm inductors on the steering wheel, can be set in the embodiment of the present application
Different alarm mechanisms, such as:
Short time one hand handle, but grip value is normal, IC icon and text are reminded；
Singlehanded handle for a long time, but grip is normal, IC icon and text flashing, with audible alarm in short-term；
Short time one hand handle, grip is small, IC icon and text flashing, with continuous audible alarm；
Singlehanded handle for a long time, grip is small, IC icon and text flashing, with continuous audible alarm, active reduction of speed.
The based reminding method of above-mentioned non-security driving condition shown in FIG. 1 can act on steering wheel by sensing driver
On grip value, and whether the grip threshold value of the predetermined driver is less than simultaneously by the grip value that senses of judgement
And continue preset duration, to determine whether the driver is in non-security driving condition, and non-security shape is in driver
It is reminded when state.The application accurately can be detected and be reminded to the non-security driving behavior of driver, thus
It can be avoided traffic safety hidden danger to a certain extent.
Fig. 3 is the process of the based reminding method for the non-security driving condition that another embodiment of the application provides, comprising:
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, determine that the driver acts on steering wheel in the preset time period
On average grip value.For example, sensing 100 grip values in 30 seconds, then the average value of this 100 grip values is calculated.
S203: judge whether the average grip value is less than the grip threshold value of the predetermined driver.If so, into
Step S204.Referring to above to the introduction of grip threshold value, no longer repeated herein.
S204: determine that the driver is in non-security driving condition and reminds.
In the optional specific embodiment of the application one, before above-mentioned steps S204, the method also includes:
Judge whether the speed of vehicle is greater than pre-set velocity threshold value；For example, pre-set velocity threshold value is 5km/h.
Judge whether the corner of the steering wheel of vehicle is greater than predetermined angle threshold value；For example, predetermined angle threshold value is 2 °.
Correspondingly, above-mentioned steps S204 includes:
It is less than the grip threshold value of the predetermined driver in the determining average grip value, the speed of vehicle is greater than
When the corner of the steering wheel of pre-set velocity threshold value and vehicle is greater than predetermined angle threshold value, determine that the driver is in non-security
Driving condition is simultaneously reminded.That is, can judge item in above three by least setting above three Rule of judgment
When the judging result of part is all "Yes", determine that current drivers are in non-security driving condition, to improve the non-peace of identification
The accuracy of full driving condition.
The based reminding method of above-mentioned non-security driving condition shown in Fig. 3 can act on steering wheel by sensing driver
On grip value, and average grip value is calculated according to the grip value that senses, then by judging the driver in preset time
The grip threshold value whether average grip value on steering wheel is less than the predetermined driver is acted in section, it is described to determine
Whether driver is in non-security driving condition, and reminds when driver is in non-secure states.The application passes through upper
Process is stated, can accurately the non-security driving behavior of driver be detected and be reminded, thus to a certain extent
It can be avoided traffic safety hidden danger.
Fig. 4 is the block diagram of the system for prompting for the non-security driving condition that one embodiment of the application provides.In the present embodiment, one
The system for prompting of the non-security driving condition of kind, comprising:
Sensing module 101, the grip value acted on steering wheel for sensing driver；
Judgment module 102, for judging whether the grip value sensed is less than holding for the predetermined driver
Force threshold and continue preset duration；
Reminding module 103, for being less than the grip threshold value of the predetermined driver in the grip value sensed
And when continuing preset duration, determine that the driver is in non-security driving condition and reminds.
The system for prompting of above-mentioned non-security driving condition shown in Fig. 4 can act on steering wheel by sensing driver
On grip value, and whether the grip threshold value of the predetermined driver is less than simultaneously by the grip value that senses of judgement
And continue preset duration, to determine whether the driver is in non-security driving condition, and non-security shape is in driver
It is reminded when state.The application accurately can be detected and be reminded to the non-security driving behavior of driver, thus
It can be avoided traffic safety hidden danger to a certain extent.
In the optional specific embodiment of the application one, the grip threshold value is existed according to the driver sensed in advance
The grip value that acts on the steering wheel when in safe driving state determines.
In the optional specific embodiment of the application one, the system also includes grip threshold value determining module, the grip threshold
Value determining module is used for:
Sensing driver acts on the first minimum grip value on steering wheel when vehicle be in cold start, and by institute
State the grip threshold value that the first minimum grip value is determined as the driver；Or,
Sensing driver acts on the second minimum grip value on steering wheel when vehicle is in turn condition, and according to institute
State the grip threshold value that the second minimum grip value determines the driver；Or,
Sensing driver acts on the first minimum grip value on steering wheel when vehicle is in cold start；
Sensing driver acts on the second minimum grip value on steering wheel when vehicle is in turn condition；
According to the described first minimum grip value and the second minimum grip value, the grip threshold value of the driver is determined.
Fig. 5 is the block diagram of the system for prompting for the non-security driving condition that another embodiment of the application provides.In the present embodiment,
A kind of system for prompting of non-security driving condition, comprising:
Sensing module 201, the grip value acted on steering wheel within a preset period of time for sensing driver；
Determining module 202, for determining that the driver makees in the preset time period according to the grip value sensed
Average grip value on steering wheel；
Whether judgment module 203, the average grip value for judging determining are less than the predetermined driver's
Grip threshold value；
Reminding module 204, for being less than the grip threshold of the predetermined driver in the determining average grip value
When value, determine that the driver is in non-security driving condition and reminds.
In the optional specific embodiment of the application one, the judgment module 203 be can be also used for:
Judge whether the speed of vehicle is greater than pre-set velocity threshold value；
Judge whether the corner of the steering wheel of vehicle is greater than predetermined angle threshold value；
Correspondingly, the reminding module 204 is used for:
It is less than the grip threshold value of the predetermined driver in the determining average grip value, the speed of vehicle is greater than
When the corner of the steering wheel of pre-set velocity threshold value and vehicle is greater than predetermined angle threshold value, determine that the driver is in non-security
Driving condition is simultaneously reminded.By setting multiple Rule of judgment, the accuracy for identifying non-security driving condition can be improved.
The system for prompting of above-mentioned non-security driving condition shown in fig. 5 can act on steering wheel by sensing driver
On grip value, and average grip value is calculated according to the grip value that senses, then by judging the driver in preset time
The grip threshold value whether average grip value on steering wheel is less than the predetermined driver is acted in section, it is described to determine
Whether driver is in non-security driving condition, and reminds when driver is in non-secure states.The application passes through upper
Process is stated, can accurately the non-security driving behavior of driver be detected and be reminded, thus to a certain extent
It can be avoided traffic safety hidden danger.
The foregoing is merely the preferred embodiments of the application, not to limit the application, all essences in the application
Within mind and principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the application protection.
Claims (12)
1. a kind of based reminding method of non-security driving condition characterized by comprising
Sensing driver acts on the grip value on steering wheel；
When judging whether that the grip value sensed is less than the grip threshold value of the predetermined driver and persistently presets
It is long；
If so, determining that the driver is in non-security driving condition and reminds；
Determine the grip threshold value of the driver, comprising:
Sensing driver acts on the first minimum grip value on steering wheel when vehicle be in cold start, and by described the
One minimum grip value is determined as the grip threshold value of the driver；Or,
Sensing driver acts on the second minimum grip value on steering wheel when vehicle be in turn condition, and according to described the
Two minimum grip values determine the grip threshold value of the driver；Or,
Sensing driver acts on the first minimum grip value on steering wheel when vehicle is in cold start；
Sensing driver acts on the second minimum grip value on steering wheel when vehicle is in turn condition；
According to the described first minimum grip value and the second minimum grip value, the grip threshold value of the driver is determined, comprising:
By the sense described second minimum grip value multiplied by the predetermined coefficient between 0~1, third grip value is obtained；
The smaller of described first minimum grip value and the third grip value is determined as to the grip threshold value of the driver.
2. the method as described in claim 1, which is characterized in that the grip threshold value is according to the driving sensed in advance
Person's grip value for acting on the steering wheel when being in safe driving state determines.
3. the method as described in claim 1, which is characterized in that determine that the driver is in non-security driving condition and carries out
It reminds, specifically includes:
If the grip value sensed is less than the grip threshold value of the predetermined driver and continues preset duration, judge
Whether the vehicle that the driver drives is in straight-going state；
If so, determining that the driver is in non-security driving condition and reminds.
4. the method as described in claim 1, which is characterized in that the grip value that the driver acts on steering wheel is to pass through
The dielectric diaphragm inductor that is installed on the steering wheel senses.
5. a kind of based reminding method of non-security driving condition characterized by comprising
Sensing driver acts on the grip value on steering wheel within a preset period of time；
According to the grip value sensed, determine that the driver acts on being averaged on steering wheel in the preset time period and holds
Force value；
Judge whether the average grip value is less than the grip threshold value of the predetermined driver；
If so, determining that the driver is in non-security driving condition and reminds；
The grip threshold value of the predetermined driver refers to:
The first minimum grip value and sensing that sensing driver acts on steering wheel when vehicle is in cold start are driven
The second minimum grip value that the person of sailing acts on steering wheel when vehicle is in turn condition multiplies with the predetermined coefficient a between 0~1
Long-pending smaller is determined as the grip threshold value of the driver.
6. method as claimed in claim 5, which is characterized in that the grip threshold value is according to the driving sensed in advance
Person's grip value for acting on the steering wheel when being in safe driving state determines.
7. method as claimed in claim 5, which is characterized in that the method also includes:
Judge whether the speed of vehicle is greater than pre-set velocity threshold value；
Judge whether the corner of the steering wheel of vehicle is greater than predetermined angle threshold value；
Then, determine that the driver is in non-security driving condition and reminds, comprising:
It is less than the grip threshold value of the predetermined driver in the determining average grip value, the speed of vehicle is greater than default
When the corner of the steering wheel of threshold speed and vehicle is greater than predetermined angle threshold value, determine that the driver is in non-security driving
State is simultaneously reminded.
8. a kind of system for prompting of non-security driving condition is applied to the described in any item non-security driving shapes of claim 1 to 7
The based reminding method of state characterized by comprising
Sensing module, the grip value acted on steering wheel for sensing driver；
Judgment module, for judging whether the grip value sensed is less than the grip threshold value of the predetermined driver simultaneously
And continue preset duration；
Reminding module, for being less than the grip threshold value of the predetermined driver in the grip value sensed and continuing
When preset duration, determine that the driver is in non-security driving condition and reminds, the grip threshold value is according in advance
The driver sensed grip value for acting on the steering wheel when being in safe driving state determines.
9. system as claimed in claim 8, which is characterized in that described to hold the system also includes grip threshold value determining module
Force threshold determining module is used for:
Sensing driver acts on the first minimum grip value on steering wheel when vehicle be in cold start, and by described the
One minimum grip value is determined as the grip threshold value of the driver；Or,
Sensing driver acts on the second minimum grip value on steering wheel when vehicle be in turn condition, and according to described the
Two minimum grip values determine the grip threshold value of the driver；Or,
Sensing driver acts on the first minimum grip value on steering wheel when vehicle is in cold start；
Sensing driver acts on the second minimum grip value on steering wheel when vehicle is in turn condition；
According to the described first minimum grip value and the second minimum grip value, the grip threshold value of the driver is determined.
10. a kind of system for prompting of non-security driving condition is applied to the described in any item non-security driving of claim 1 to 7
The based reminding method of state characterized by comprising
Sensing module, the grip value acted on steering wheel within a preset period of time for sensing driver；
Determining module, for determining driver side of acting in the preset time period according to the grip value sensed
Average grip value on disk；
Judgment module, for judging whether the determining average grip value is less than the grip threshold of the predetermined driver
Value；
Reminding module, for when the determining average grip value is less than the grip threshold value of the predetermined driver, really
The fixed driver is in non-security driving condition and reminds.
11. system as claimed in claim 10, which is characterized in that the grip threshold value described is driven according to what is sensed in advance
The person's of sailing grip value for acting on the steering wheel when being in safe driving state determines.
12. system as claimed in claim 10, which is characterized in that the judgment module is also used to:
Judge whether the speed of vehicle is greater than pre-set velocity threshold value；
Judge whether the corner of the steering wheel of vehicle is greater than predetermined angle threshold value；
Then the reminding module is used for:
It is less than the grip threshold value of the predetermined driver in the determining average grip value, the speed of vehicle is greater than default
When the corner of the steering wheel of threshold speed and vehicle is greater than predetermined angle threshold value, determine that the driver is in non-security driving
State is simultaneously reminded.
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| CN111086448A (en) * | 2018-10-24 | 2020-05-01 | 上海博泰悦臻电子设备制造有限公司 | Vehicle, vehicle equipment and driving behavior prompting method based on intelligent wearable equipment |
| CN111354170A (en) * | 2018-12-24 | 2020-06-30 | 观致汽车有限公司 | Detection system for monitoring state of automobile driver |
| CN110962591B (en) * | 2019-11-29 | 2021-08-17 | 浙江大华技术股份有限公司 | Fatigue driving detection method, device, computer equipment and storage medium |
| CN111137285A (en) * | 2019-12-10 | 2020-05-12 | 上海博泰悦臻电子设备制造有限公司 | Vehicle driving safety control method and control system |
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