CN109353251A - A kind of system and method for anti-fatigue-driving motor vehicles - Google Patents
A kind of system and method for anti-fatigue-driving motor vehicles Download PDFInfo
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- CN109353251A CN109353251A CN201811018457.XA CN201811018457A CN109353251A CN 109353251 A CN109353251 A CN 109353251A CN 201811018457 A CN201811018457 A CN 201811018457A CN 109353251 A CN109353251 A CN 109353251A
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- 206010037660 Pyrexia Diseases 0.000 description 4
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- 210000001624 hip Anatomy 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
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- 206010050031 Muscle strain Diseases 0.000 description 2
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/002—Seats provided with an occupancy detection means mounted therein or thereon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/90—Details or parts not otherwise provided for
- B60N2/976—Details or parts not otherwise provided for massaging systems
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/90—Details or parts not otherwise provided for
- B60N2002/981—Warning systems, e.g. the seat or seat parts vibrates to warn the passenger when facing a danger
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Abstract
The present invention provides a kind of system for anti-fatigue-driving motor vehicles, and camera is installed on the headrest position of pilot set, and driver's sitting posture image is shot after unlatching；First and second pressure sensors are set in pilot set bottom preset region, acquire the pressure value after driver takes one's seat；ECU receives the pressure value of sitting posture image and the acquisition of first and second pressure sensor, and preset threshold is more than or equal to the pressure difference that correct sitting posture image mismatches or first and second pressure sensor is formed is preset come after determining that driver's sitting posture is wrong according to sitting posture image, alarm command is issued to sitting posture prompting module, driving sitting posture prompting module extracts warning message and carries out voice broadcast to remind driver to adjust sitting posture.Implement the present invention, the fatigue driving state of driver is identified in conjunction with image recognition technology and pressure sensing technology, driver's preventing fatigue driving can not only be reminded in time, moreover it is possible to further alleviate to the fatigue of driver, improve travel safety.
Description
Technical field
The present invention relates to motor vehicle safety driving technology fields, more particularly to one kind to be used for anti-fatigue-driving motor vehicles
System and method.
Background technique
Motor vehicles as one of most important traffic trip tool of the mankind, the safety driven be constantly subjected to vehicle enterprise and
The extensive concern of consumer.Motor vehicles various aspects of performance is all obviously improved in recent years, however is solved tired driver and driven
Sailing problem is not improved still, while also without providing corresponding measure for fatigue driving.
It is well known that sitting, the sitting posture of long-time unbalance stress or abnormal sitting posture are true, big legs become numb, wind are all easily caused
The problems such as stock life silkworm cocoon, prolapse of lumbar intervertebral disc, lumbar muscle strain, these phenomenons frequently occur in the driver's body for needing to drive for a long time
On.
Image recognition technology has been applied to the fields such as traffic, security protection and medicine, and future will be applied to more areas,
And there is related personnel to attempt image recognition being used for automobile burglar, however by this technology or its used in conjunction with other technologies
In preventing fatigue driving from not seeing also.
Summary of the invention
The technical problem to be solved by the embodiment of the invention is that providing and a kind of being for anti-fatigue-driving motor vehicles
System and method, the fatigue driving state of driver is identified in conjunction with image recognition technology and pressure sensing technology, can not only be timely
Remind driver's preventing fatigue driving, moreover it is possible to further alleviate to the fatigue of driver, improve travel safety.
In order to solve the above-mentioned technical problem, it is for anti-fatigue-driving motor vehicles the embodiment of the invention provides a kind of
System, including electronic control unit ECU, and the camera, pressure sensor group and the sitting posture prompting mould that are connected with the ECU
Block；Wherein,
The camera is installed on the headrest position of pilot set, the sitting posture figure for captured in real-time driver after opening
Picture；
The pressure sensor group includes that the first pressure being all set in pilot set bottom preset region passes
Sensor and second pressure sensor；Wherein, the first pressure sensor and the second pressure sensor are used to acquisition and drive
The relevant pressure value that the person of sailing generates in the predeterminable area after taking one's seat；
The ECU, for opening the camera simultaneously after determining the motor vehicles starting time beyond the first preset time
The sitting posture image for handling the camera captured in real-time is received, and is received by the first pressure sensor and second pressure
The pressure value that force snesor acquires respectively, and to according to the sitting posture image of the camera captured in real-time and preset correct sitting posture figure
As images all in library mismatch determine driver's sitting posture it is wrong or according to calculate the first pressure sensor with it is described
It is wrong to determine driver's sitting posture that the pressure difference that the acquired pressure value of second pressure sensor is formed is more than or equal to preset threshold
Afterwards, alarm command is issued to the sitting posture prompting module；
The sitting posture prompting module, after receiving the alarm command that the ECU is issued, extract preset warning message into
Row voice broadcast come remind driver adjust sitting posture.
Wherein, further includes: with the ECU third pressure sensor being connected and massage module；Wherein,
The third pressure sensor is set on the pilot set chair back, for relying on described drive to driver
The person's of sailing Chair back carries out pressure sensitive and forms pressure signal；
The massage module is installed on the pilot set chair back, for the work waiting for receiving the ECU and sending
After instruction, start and work, realization massages the driver for being seated at the pilot set to relieve fatigue；Wherein,
The work order driver's sitting posture that is the ECU after determining the motor vehicles starting time beyond the second preset time is still
It is wrong, and determine that the sitting posture prompting module has carried out voice broadcast certain time and persistently received the third pressure sensing
It is formed in the case of the pressure signal that device transmits；Second preset time is greater than first preset time.
Wherein, the massage module includes the driving mechanism of massage plate and the driving massage plate movement；Wherein,
The massage plate and the pilot set towards headstock side inner wall against；
The driving mechanism is fixed on inside the chair back of the pilot set, and drives two sides of the massage plate
Alternately back and forth movement carries out alternate massage to driver to realize, so that human-body fatigue is eased.
Wherein, the massage plate is fever sheet metal；The driving mechanism is mainly by motor, gear set and push rod group
At.
The embodiment of the invention also provides a kind of methods for anti-fatigue-driving motor vehicles, comprising the following steps:
ECU opens the head for being installed on pilot set after determining the motor vehicles starting time beyond the first preset time
The camera of occipitalia position carries out sitting posture image taking and driving is respectively arranged in pilot set bottom preset region
First pressure sensor and second pressure sensor the pressure value of the pilot set bottom is acquired；
The sitting posture image by the camera captured in real-time is obtained, and is obtained by the first pressure sensor and described
The pressure value that second pressure sensor acquires respectively；
It judges whether there is the sitting posture image of the camera captured in real-time driver and presets in correct sitting posture image library
All unmatched situations of image or the first pressure sensor are formed with the acquired pressure value of second pressure sensor
Pressure difference be more than or equal to preset threshold the case where；
If be not present, it is correct to determine driver's sitting posture；Otherwise, it is determined that driver's sitting posture is wrong out, to installation
Alarm command is issued in the sitting posture prompting module in motor vehicles, and the sitting posture prompting module is driven to extract preset alarm signal
Breath carries out voice broadcast to remind driver to adjust sitting posture.
Wherein, the method further includes:
The ECU determines that the motor vehicles starting time is wrong beyond driver's sitting posture after the second preset time, is determined, after
Continue to the sitting posture prompting module and issue alarm command, and drives the sitting posture prompting module to extract preset warning message and carry out
Voice broadcast come remind driver adjust sitting posture；Wherein, second preset time is greater than first preset time；
The ECU waits for that the sitting posture prompting modular voice casting is completed after a certain period of time, and unlatching is installed on the driver
Massage module on Chair back, and to persistently receive the third pressure sensor being set on the pilot set chair back
After the pressure signal transmitted, work order is sent to the massage module, drives massage module work to realize to taking one's seat
It is massaged in the driver of the pilot set to relieve fatigue.
Wherein, the method further includes:
The ECU is waiting receive the instruction that driver cancels the massage module work after, sent to the massage module
Cancel instruction to close the massage module.
Wherein, the method further includes:
The ECU is waiting receive the instruction that driver enforces the massage module work after, without waiting for whether connecing
The pressure signal that the third pressure sensor transmits is received, directly forces to send work order to the massage module, drives institute
State massage module work.
Wherein, the method further includes:
The ECU waits for not receiving the third pressure sensor being set on the pilot set chair back in certain time
After the pressure signal transmitted, work stoppage instruction is sent to the massage module to suspend the work of the massage module, and into
One step after receiving the pressure signal that the third pressure sensor being set on the pilot set chair back transmits again, after
Continue the massage module and send work order, the massage module is driven to work on.
The implementation of the embodiments of the present invention has the following beneficial effects:
In embodiments of the present invention, in conjunction with image recognition technology and pressure sensing technology, by being installed on pilot set
The sitting posture image of camera captured in real-time driver at headrest position identify the fatigue driving state of driver, or pass through
First pressure sensor and second pressure sensor in pilot set bottom preset region are acquired respectively after driver takes one's seat
Pressure value identify the fatigue driving state of driver, and when confirming driver is fatigue driving state, not only lead to
It crosses sitting posture prompting module to alarm, also further alleviates driver fatigue by massage module, therefore can not only mention in time
Awake driver's preventing fatigue driving, moreover it is possible to further the fatigue of driver be alleviated, improve travel safety.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without any creative labor, according to
These attached drawings obtain other attached drawings and still fall within scope of the invention.
Fig. 1 is the structural schematic diagram of the system provided in an embodiment of the present invention for anti-fatigue-driving motor vehicles；
Fig. 2 is the installation application scenario diagram of first pressure sensor and second pressure sensor in Fig. 1；
Fig. 3 is the installation application scenario diagram of massage module, third pressure sensor and camera in Fig. 1；
Fig. 4 is the three-dimensional structure diagram of driving mechanism scene application in massage module in Fig. 3；
Fig. 5 is the flow chart of the method provided in an embodiment of the present invention for anti-fatigue-driving motor vehicles.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, the present invention is made into one below in conjunction with attached drawing
Step ground detailed description.
As shown in Figures 1 to 4, in the embodiment of the present invention, a kind of of proposition is for anti-fatigue-driving motor vehicles
System, including electronic control unit ECU1, and the camera 2, pressure sensor group and the sitting posture prompting module that are connected with ECU1
4；Wherein,
Camera 2 is installed on the headrest position (as shown in Figure 3) of pilot set, for captured in real-time driver after opening
Sitting posture image；
Pressure sensor group includes 31 He of first pressure sensor being all set in pilot set bottom preset region
Second pressure sensor 32 (as shown in Figure 2)；Wherein, first pressure sensor 31 and second pressure sensor 32, are used to adopt
The relevant pressure value that collection driver generates in predeterminable area after taking one's seat；It should be noted that pilot set bottom preset area
Domain (as shown in Figure 2) primary flight person's hip two sides pelvis and cushion contact area, the i.e. main stress area of seat bottom；
ECU1, for opening camera shooting after determining the motor vehicles starting time beyond the first preset time (such as 30 minutes)
First 2 and the sitting posture image of processing 2 captured in real-time of camera is received, and receives and passed by first pressure sensor 31 and second pressure
The pressure value that sensor 32 acquires respectively, and to according to the sitting posture image of 2 captured in real-time of camera and preset correct sitting posture image library
In all images mismatch it is wrong or according to calculating first pressure sensor 31 and second pressure passes to determine driver's sitting posture
The acquired pressure value of sensor 32 formed pressure difference be more than or equal to preset threshold come determine driver's sitting posture it is wrong after, to sitting posture
Reminding module 4 issues alarm command；
Sitting posture prompting module 4 extracts preset warning message and carries out voice after receiving the alarm command that ECU1 is issued
It broadcasts to remind driver to adjust sitting posture；It should be noted that sitting posture prompting module 4 by motor vehicles car audio system and
Middle control table composition.
It should be noted that all images are all predetermined in correct sitting posture image library, and it is stored in ECU1, it should
Correct sitting posture image includes but is not limited to head image, body trunk image etc..Sitting posture image for captured in real-time and default
All images carry out matching differentiation in correct sitting posture image library, common image conversion way of contrast can be used, this will not be repeated here.
The warning message of sitting posture prompting module 4 be also it is predetermined, can be pre-stored in ECU1, sitting posture prompting mould can also be pre-stored in
In block 4.
It is understood that the system for anti-fatigue-driving motor vehicles in the embodiment of the present invention, knows in conjunction with image
Other technology and pressure sensing technology, the 2 captured in real-time driver's of camera at the headrest position by being installed on pilot set
Sitting posture image identifies the fatigue driving state of driver, or passes through the first pressure in pilot set bottom preset region
Sensor 31 and second pressure sensor 32 acquire the pressure value after driver takes one's seat respectively to identify that the fatigue of driver is driven
State is sailed, and when confirming driver is fatigue driving state, is alarmed by sitting posture prompting module, can remind and drive in time
The person's of sailing preventing fatigue driving.
It is understood that in order to avoid occupying the resource of ECU1 for a long time, ECU1 can be interrupted after completing primary judgement
Or pause receives the sitting posture image of processing 2 captured in real-time of camera, and receives by first pressure sensor 31 and second pressure
The pressure value that sensor 32 acquires respectively reopens camera 2 after periodic certain interval of time (such as 30 minutes)
The sitting posture image of shooting is received, and receives the pressure acquired respectively by first pressure sensor 31 and second pressure sensor 32
Value.
In embodiments of the present invention, further includes: with the ECU1 third pressure sensor 33 being connected and massage module 5；Its
In,
Third pressure sensor 33 is set on the pilot set chair back, for relying on pilot set chair to driver
Back carries out pressure sensitive and forms pressure signal；
Massage module 5 is installed on the pilot set chair back, after the work order waiting for receiving ECU1 transmission, starting
And work, realization massages the driver for being seated at pilot set to relieve fatigue；Wherein, work order is that ECU1 exists
Determine the motor vehicles starting time beyond the second preset time (such as 45 minutes) driver's sitting posture is still wrong afterwards, and determine
Sitting posture prompting module 4 has been carried out voice broadcast certain time (such as 15 seconds) and has persistently been received third pressure sensor 33 transmits
It is formed in the case of pressure signal；It is greater than the first preset time (30 minutes) within second preset time (45 minutes).
In embodiments of the present invention, massage module 4 includes massage plate 51 and the driving mechanism 52 for driving massage plate movement；
Wherein, massage plate 51 and pilot set are towards the side inner wall of headstock against the massage plate 41 is fever sheet metal；Driving machine
Structure 52 is fixed on inside the chair back of pilot set, and two sides of massage plate 51 is driven to replace back and forth movement to realize pair
Driver carries out alternate massage, so that human-body fatigue is eased；The driving mechanism 52 is mainly by motor, gear set and push rod
Composition.It should be noted that driving mechanism is there are also other structures, such as motor and oscillating mechanism composition etc. back and forth.
As shown in figure 4, showing a kind of driving mechanism in massage module.The driving mechanism 52 is by servo motor M, push rod
L, rack gear C, swiveling gear Z1, transmission shaft T, driven gear Z2, driving gear Z3 are constituted.Further, it driving gear Z3 and watches
Take motor M be connected, ECU1 control servo motor M positive and negative rotation, thus driving gear Z3 drive be fixed on it is driven on transmission shaft T
Gear Z2 rotation, i.e. transmission shaft T drive the positive and negative rotation of swiveling gear Z1, reciprocating motion of the swiveling gear Z1 with carry-over bar C, push rod
The one end L is fixed on rack gear C, and the other end is in contact with the crust of seat, so that playing reciprocating motion reaches massage effect.It pushes away
The displacement of bar L is determined by the angle that servo motor M is rotated and is adjusted according to seat actual conditions and safe driving condition.
The working principle of the system for anti-fatigue-driving motor vehicles in the embodiment of the present invention is, to prevent driver
There is abnormal sitting posture and really causes that hip acid is swollen, hip is avoided to cocoon so as to cause fatigue phenomenon or since sitting posture stress is improper.
It is more than 30 minutes when the motor vehicles starting time, ECU1 opens camera 2 and shoots driver's sitting posture image and pass to ECU1, when
ECU1 matches the sitting posture image of the driver of shooting with all images in correct sitting posture image library are preset, once all match
Unsuccessful, it is wrong to be judged as driver's sitting posture, issues alarm command to sitting posture prompting module 4, sitting posture prompting module 4 is mentioned
Taking preset warning message to carry out voice broadcast reminds driver to adjust sitting posture.Certainly, matching image if it exists, then ECU1 sentences
Disconnected driver's sitting posture is correct, and sitting posture prompting module 4 does not work.
It is, of course, also possible to which pressure detecting is believed by seat base first pressure sensor 31 and second pressure sensor 32
Number ECU1 is passed to, when ECU1 judges the pressure difference value Δ M >=preset threshold M of two pressure sensors, is judged as driver's seat
Appearance is wrong, issues alarm command to sitting posture prompting module 4, enables sitting posture prompting module 4 to extract preset warning message and carries out
Voice broadcast reminds driver to adjust sitting posture.Certainly, if ECU1 judges the pressure difference value Δ M < pressure difference of two pressure sensors
Threshold value M, sitting posture prompting module 4 do not work.
In order to avoid occupying the resource of ECU1 for a long time, ECU1 can interrupt or suspend receiving area after completing primary judgement
The sitting posture image of 2 captured in real-time of camera is managed, and receives and is distinguished by first pressure sensor 31 and second pressure sensor 32
The pressure value of acquisition, then primary, the above-mentioned identical work of continuation was reopened every 30 minutes.
It is more than 45 minutes when the motor vehicles starting time to prevent long-duration driving from causing human-body fatigue, ECU1 judgement is driven
The person's of sailing sitting posture is still wrong, then massage module 5 will be automatically into work after controlling the progress of sitting posture prompting module 4 voice broadcast 15s
State, it is waiting receive the pressure signal that third pressure sensor 33 transmits after, the massage plate 51 of massage module 5 (fever sheet metal)
Into fever, driving mechanism 52 starts the cycle over work, and (in such as Fig. 4, ECU1 controls the positive and negative rotation of servo motor M, driving gear Z3
Driven gear Z2 rotation is driven, due to the positive and negative rotation for carrying out back rotation and driving swiveling gear Z1 of transmission shaft T, swiveling gear Z1 and band
The reciprocating motion of carry-over bar C, push rod L play massage effect with moving back and forth for rack gear C), i.e., help driver is alleviated tired
Labor, phenomena such as avoiding the occurrence of lumbar muscle strain.
As shown in figure 5, in the embodiment of the present invention, a kind of method for anti-fatigue-driving motor vehicles provided, packet
Include following steps:
Step S1, for ECU after determining the motor vehicles starting time beyond the first preset time, unlatching is installed on operator's seat
The camera at the headrest position of chair carries out sitting posture image taking and driving is respectively arranged at the pilot set bottom preset
First pressure sensor and second pressure sensor in region are acquired the pressure value of the pilot set bottom；
Step S2, the sitting posture image by the camera captured in real-time is obtained, and obtains and is sensed by the first pressure
The pressure value that device and the second pressure sensor acquire respectively；
Step S3, it judges whether there is the sitting posture image of the camera captured in real-time driver and presets correct sitting posture figure
As the unmatched situation of images all in library or the first pressure sensor and the acquired pressure of second pressure sensor
The pressure difference that value is formed is more than or equal to the case where preset threshold；
If step S4, be not present, it is correct to determine driver's sitting posture；Otherwise, it is determined that driver's sitting posture is wrong out,
Alarm command is issued to the sitting posture prompting module being installed in motor vehicles, and it is preset to drive the sitting posture prompting module to extract
Warning message carries out voice broadcast to remind driver to adjust sitting posture.
Detailed process is that ECU is opened after determining the motor vehicles starting time beyond the first preset time (30 minutes)
Camera carries out sitting posture image taking, drives first pressure sensor and second pressure sensor to the pilot set bottom
Pressure value be acquired；
Judge the sitting posture image simply by the presence of camera captured in real-time driver and preset in correct sitting posture image library own
The unmatched situation of image, or formed there are first pressure sensor and the acquired pressure value of the second pressure sensor
Pressure difference is more than or equal to the case where preset threshold, it is assumed that driver's sitting posture is wrong, needs to issue to sitting posture prompting module at this time
Alarm command allows sitting posture prompting module to extract preset warning message and carries out voice broadcast to remind driver to adjust sitting posture.When
So, above-mentioned two situations are all not present, then illustrate that driver's sitting posture is correct, also there is no need to work for sitting posture prompting module.
In embodiments of the present invention, ECU is determined drives after the motor vehicles starting time exceeds the second preset time (45 minutes)
The person's of sailing sitting posture is still wrong, continues to issue alarm command to sitting posture prompting module, and it is preset to drive sitting posture prompting module to extract
Warning message carries out voice broadcast to remind driver to adjust sitting posture；Wherein, it is pre- to be greater than described first for second preset time
If the time；
For ECU after sitting posture prompting modular voice broadcasts completion certain time (such as 15 seconds), unlatching is installed on pilot set
Massage module on the chair back, and the pressure transmitted to persistently receive the third pressure sensor being set on the pilot set chair back
After force signal, work order is sent to massage module, driving massage module work is driven to realize to being seated at pilot set
The person of sailing is massaged to relieve fatigue.
Certainly, if driver, which is eager to excel, produces the work for the massage module that disappears, then ECU is waiting receives driver's cancellation massage mould
After the instruction of block work, is sent to massage module and cancel instruction to close massage module.
Certainly, massage module is that the pressure signal that third pressure sensor to be determined transmits can just work, if driver
Force massage module work can also be to be not required to then after the ECU instruction waiting for receiving driver's compulsory execution massage module work
It waits and whether receives the pressure signal that third pressure sensor transmits, directly force to send work order, driving to massage module
Massage module work.
Certainly, it is also necessary to take into account that in driver's massage processes, Chair back is left at back and intelligence interrupts massage module work
The case where making, therefore work in above-mentioned driving massage module to realize and be massaged to the driver for being seated at pilot set
When relieving fatigue, ECU waits for not receiving the third pressure sensor being set on the pilot set chair back in certain time and transmits
Pressure signal after, send work stoppage instruction to massage module to suspend the work of massage module, and further to connect again
After receiving the pressure signal that the third pressure sensor being set on the pilot set chair back transmits, continues massage module and send work
It instructs, driving massage module works on.
In one embodiment, the application scenarios of the working condition of above-mentioned massage module are described further: to prevent
Long-duration driving causes human-body fatigue, is more than 45 minutes when the motor vehicles starting time, and ECU determines that driver's sitting posture still has
Accidentally, then massage module will be automatically into working condition after controlling sitting posture prompting module progress voice broadcast 15s.
At this point, if driver click " cancellation " sitting posture prompting module middle control table show " whether seat massage function opens
It is dynamic " or when " seat massage function operation ", after ECU receives the instruction for cancelling massage module work, taken to massage module transmission
Instruction disappear to close massage module.
If driver click " determination " sitting posture prompting module middle control table " whether seat massage function starts " that shows or
When " seat massage function operation ", after ECU receives the instruction for enforcing massage module work, without waiting for whether receiving the
The pressure signal that three pressure sensors transmit directly is forced to send work order to massage module, driving massage module work.
If driver has left Chair back for a period of time, that causes ECU to receive in the course of work of massage module
Less than the pressure signal that third pressure sensor is formed, ECU decides that massage module can be with break-off, thus to massage module
Work stoppage instruction is sent to suspend the work of massage module.To receive the third being set on the pilot set chair back again
After the pressure signal that pressure sensor transmits, continues massage module and send work order, driving massage module works on.
The implementation of the embodiments of the present invention has the following beneficial effects:
In embodiments of the present invention, in conjunction with image recognition technology and pressure sensing technology, by being installed on pilot set
The sitting posture image of camera captured in real-time driver at headrest position identify the fatigue driving state of driver, or pass through
First pressure sensor and second pressure sensor in pilot set bottom preset region are acquired respectively after driver takes one's seat
Pressure value identify the fatigue driving state of driver, and when confirming driver is fatigue driving state, not only lead to
It crosses sitting posture prompting module to alarm, also further alleviates driver fatigue by massage module, therefore can not only mention in time
Awake driver's preventing fatigue driving, moreover it is possible to further the fatigue of driver be alleviated, improve travel safety.
Above disclosed is only a preferred embodiment of the present invention, cannot limit the power of the present invention with this certainly
Sharp range, therefore equivalent changes made in accordance with the claims of the present invention, are still within the scope of the present invention.
Claims (9)
1. a kind of system for anti-fatigue-driving motor vehicles, which is characterized in that including electronic control unit ECU, Yi Jiyu
The ECU connected camera, pressure sensor group and sitting posture prompting module；Wherein,
The camera is installed on the headrest position of pilot set, the sitting posture image for captured in real-time driver after opening；
The pressure sensor group includes the first pressure sensor being all set in pilot set bottom preset region
With second pressure sensor；Wherein, the first pressure sensor and the second pressure sensor are used to acquisition driver
The relevant pressure value generated in the predeterminable area after taking one's seat；
The ECU, for opening the camera and receiving after determining the motor vehicles starting time beyond the first preset time
The sitting posture image of the camera captured in real-time is handled, and receives and is passed by the first pressure sensor and the second pressure
The pressure value that sensor acquires respectively, and to according to the sitting posture image of the camera captured in real-time and preset correct sitting posture image library
In all images mismatch it is wrong or according to calculating the first pressure sensor and described second to determine driver's sitting posture
The pressure difference that the acquired pressure value of pressure sensor is formed be more than or equal to preset threshold determine driver's sitting posture it is wrong after, to
The sitting posture prompting module issues alarm command；
The sitting posture prompting module extracts preset warning message and carries out language after receiving the alarm command that the ECU is issued
Sound broadcasts that driver is reminded to adjust sitting posture.
2. as described in claim 1 be used for anti-fatigue-driving motor vehicles system, which is characterized in that further include: with it is described
ECU connected third pressure sensor and massage module；Wherein,
The third pressure sensor is set on the pilot set chair back, for relying on the driver to driver
Chair back carries out pressure sensitive and forms pressure signal；
The massage module is installed on the pilot set chair back, for the work order waiting for receiving the ECU and sending
Afterwards, start and work, realization massages the driver for being seated at the pilot set to relieve fatigue；Wherein, described
Work order is that ECU driver's sitting posture after determining the motor vehicles starting time beyond the second preset time still has
Accidentally, and determine that the sitting posture prompting module has carried out voice broadcast certain time and persistently received the third pressure sensor
It is formed in the case of the pressure signal transmitted；Second preset time is greater than first preset time.
3. being used for the system of anti-fatigue-driving motor vehicles as claimed in claim 2, which is characterized in that the massage module packet
Include the driving mechanism of massage plate and the driving massage plate movement；Wherein,
The massage plate and the pilot set towards headstock side inner wall against；
The driving mechanism is fixed on inside the chair back of the pilot set, and two sides of the massage plate is driven to replace
Back and forth movement carries out alternate massage to driver to realize, so that human-body fatigue is eased.
4. being used for the system of anti-fatigue-driving motor vehicles as claimed in claim 3, which is characterized in that the massage plate is hair
Thermometal piece；The driving mechanism is mainly made of motor, gear set and push rod.
5. a kind of method for anti-fatigue-driving motor vehicles, which comprises the following steps:
ECU opens the headrest portion for being installed on pilot set after determining the motor vehicles starting time beyond the first preset time
The camera of position carries out sitting posture image taking and driving be respectively arranged in pilot set bottom preset region the
One pressure sensor and second pressure sensor are acquired the pressure value of the pilot set bottom；
The sitting posture image by the camera captured in real-time driver is obtained, and is obtained by the first pressure sensor and institute
State the pressure value that second pressure sensor acquires respectively；
It judges whether there is the sitting posture image of the camera captured in real-time and presets in correct sitting posture image library all images not
The case where matching or the first pressure sensor and the pressure difference of the acquired pressure value formation of the second pressure sensor are big
In be equal to preset threshold the case where；
If be not present, it is correct to determine driver's sitting posture；Otherwise, it is determined that driver's sitting posture is wrong out, to being installed on machine
Sitting posture prompting module in motor-car issues alarm command, and drive the sitting posture prompting module extract preset warning message into
Row voice broadcast come remind driver adjust sitting posture.
6. being used for the method for anti-fatigue-driving motor vehicles as claimed in claim 5, which is characterized in that the method is further
Include:
The ECU determines that the motor vehicles starting time is wrong beyond driver's sitting posture after the second preset time, is determined, continue to
The sitting posture prompting module issues alarm command, and drives the sitting posture prompting module to extract preset warning message and carry out voice
It broadcasts to remind driver to adjust sitting posture；Wherein, second preset time is greater than first preset time；
The ECU waits for that the sitting posture prompting modular voice casting is completed after a certain period of time, and unlatching is installed on the pilot set
Massage module on the chair back, and transmitted to persistently receive the third pressure sensor being set on the pilot set chair back
Pressure signal after, send work order to the massage module, drive massage module work to realize to being seated at
The driver for stating pilot set is massaged to relieve fatigue.
7. being used for the method for anti-fatigue-driving motor vehicles as claimed in claim 6, which is characterized in that the method is further
Include:
The ECU is waiting receive the instruction that driver cancels the massage module work after, send and cancel to the massage module
Instruction is to close the massage module.
8. being used for the method for anti-fatigue-driving motor vehicles as claimed in claim 6, which is characterized in that the method is further
Include:
The ECU is waiting receive the instruction that driver enforces the massage module work after, without waiting for whether receiving institute
The pressure signal that third pressure sensor transmits is stated, directly forces to send work order to the massage module, be pressed described in driving
Module of rubbing work.
9. the method for anti-fatigue-driving motor vehicles as described in claim 6 or 8, which is characterized in that the method into
One step includes:
The ECU waits for not receiving the third pressure sensor being set on the pilot set chair back in certain time and transmits
Pressure signal after, send work stoppage instruction to the massage module to suspend the work of the massage module, and further
After receiving the pressure signal that the third pressure sensor being set on the pilot set chair back transmits again, continue institute
It states massage module and sends work order, the massage module is driven to work on.
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| CN115188241A (en) * | 2022-09-13 | 2022-10-14 | 徐州硕博电子科技有限公司 | Loader driving simulation evaluation system based on data acquisition |
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