CN104751666B - Vehicle monitoring system and vehicle monitoring method - Google Patents
Vehicle monitoring system and vehicle monitoring method Download PDFInfo
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- CN104751666B CN104751666B CN201310747121.8A CN201310747121A CN104751666B CN 104751666 B CN104751666 B CN 104751666B CN 201310747121 A CN201310747121 A CN 201310747121A CN 104751666 B CN104751666 B CN 104751666B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 48
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
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- G06Q50/40—Business processes related to the transportation industry
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/123—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams
- G08G1/127—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams to a central station ; Indicators in a central station
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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Abstract
The invention discloses a kind of vehicle monitoring system and method, the system includes vehicle and cloud server, wherein, vehicle includes：Relative position detection means, for detecting the relative position between the sprung mass structural member of vehicle and unsprung mass structural member and generating relative position signal；Onboard wireless communication device；Warning device；Control device, control device sends relative position signal to cloud server in real time by onboard wireless communication device, and receives the judged result of cloud server feedback, and when judged result is bad road or vehicle needs maintenance, control warning device alarm；Cloud server, the relative position signal sent for registration of vehicle, and the relative position time graph between sprung mass structural member and unsprung mass structural member is generated, and judge whether road surface is whether bad road and/or vehicle need maintenance according to the curve.The present invention can dynamically monitor vehicle condition, be conducive to improving travel safety and extend vehicle service life.
Description
Technical field
The present invention relates to technical field of automotive electronics, and in particular to a kind of vehicle monitoring system and vehicle monitoring method.
Background technology
For make automobile that there is longer service life and more preferably working condition, it is necessary to automobile is monitored from many aspects and
Maintenance.For example：Need whether monitoring vehicle overloads during vehicle loading, need to lighten the load if overload.Needed when vehicle is travelled
Judge track condition, if the road surface for injustice of jolting should then sail out of the bad road as early as possible, be changing to smooth-riding surface row
Sail.Vehicle operation also needs to judge degree of fatigue according to history working condition for a period of time afterwards, is periodically maintained.
Existing automobile is generally mounted with the pressure sensor that piezo-resistance is made, can measure vehicle quality and to
Driver shows that, by driver's eyes it was observed that autonomous after qualitative data judge whether overload, not enough automation may cause
Driver causes safe driving accident because of diverting attention.And prior art is only capable of checking overload condition, it can not point out to drive
Whether whether bad road or automobile need maintenance on member road surface.
The content of the invention
It is contemplated that at least solving that road surface can not be pointed out present in prior art whether whether bad road or automobile need
The technical problem to be maintained.
Therefore, it is an object of the present invention to propose it is a kind of can realize dynamic monitoring vehicle monitoring system.
Another object of the present invention is to propose it is a kind of can realize dynamic monitoring vehicle monitoring method.
To achieve these goals, according to the vehicle monitoring system of the embodiment of one aspect of the invention, including:Including car
And cloud server, wherein, the vehicle includes：Relative position detection means, the sprung mass for detecting the vehicle
Relative position between structural member and unsprung mass structural member simultaneously generates relative position signal；Onboard wireless communication device, is used for
Realize the wireless telecommunications of the vehicle and cloud server；Loudspeaker；Control device, the control device passes through the vehicle-mounted nothing
Line communication device sends the relative position signal to the cloud server in real time, and receives the cloud server feedback
Judged result, and when judged result is that bad road or vehicle need maintenance, control the loudspeaker alarm；The high in the clouds
Server, for recording the relative position signal that the vehicle is sent, and is generated under the sprung mass structural member and spring
Relative position-time graph between quality structure part, and according to the sprung mass structural member and unsprung mass structural member it
Between relative position-time graph judge whether road surface is bad road and/or whether vehicle needs maintenance.
The vehicle monitoring system of the above embodiment of the present invention, vehicle behaviour in service can be monitored in real time, exactly, on road
Mian Weihuai roads and vehicle need to propose prompting when maintenance for driver, are conducive to improving travel safety and extending vehicle making
Use the life-span.In addition, the system architecture is simple, maintenance is easily installed, is had a extensive future in business application.
In addition, vehicle monitoring system according to embodiments of the present invention can also have following additional technical feature：
In one embodiment of the invention, the relative position detection means is specifically included：Angular displacement sensor；First
Connector, first connector is connected between the sprung mass structural member and the angular displacement sensor；Second connection
Part, second connector is connected between the unsprung mass structural member and the angular displacement sensor, wherein described first
Connector and second connector are configured between the sprung mass structural member and the unsprung mass structural member
Relative position displacement switchs to relative angular displacement and transmitted to the angular displacement sensor.
In one embodiment of the invention, the vehicle also includes：Vehicle speed detector device, for detecting the vehicle
Current vehicle speed, wherein, the control device is additionally operable to be sentenced according to the relative position signal when the current vehicle speed is zero
Whether the vehicle that breaks overloads, and when being judged as overload, the control device controls the loudspeaker alarm.
In one embodiment of the invention, the cloud server gathers the sprung mass structural member and unsprung mass
When the unilateral amplitude of relative position-time graph between structural member is more than default amplitude threshold, judge the road surface for bad road.
In one embodiment of the invention, the control device is additionally operable to institute by the onboard wireless communication device
State current vehicle speed and be sent to the cloud server, when judged result is that vehicle needs to slow down, controlling loudspeaker alarm；It is described
Cloud server is additionally operable to calculate the current vehicle speed divided by the cloud server gathers the sprung mass structural member and spring
The business of the positive and negative change frequency of relative position-time graph between lower quality structure part, when result of calculation with less than it is default away from
During from threshold value, judge that the vehicle needs deceleration.
In one embodiment of the invention, the cloud server is by the sprung mass structural member and unsprung mass knot
Relative position between component is divided into 1 to n grade according to numerical values recited, sets the weight coefficient of i-th grade of relative position as ξ i, by
The cumulative number of i grades of relative positions is designated as ci, whenDuring more than preset fatigue threshold value, judge that the vehicle needs maintenance,
Wherein i, n are integer and 1≤i≤n.
In one embodiment of the invention, the angular displacement sensor includes：Body；It is set in the body exterior
Annular connecting portion, the annular connecting portion is connected with first connector；Gyroaxis, the gyroaxis is pivotally arranged in institute
State in body and the body is stretched out in one end, the gyroaxis is connected with second connector.
In one embodiment of the invention, first connector is formed as having on plate-like piece, first connector
There is through hole, wherein the through hole is arranged on the body.
In one embodiment of the invention, on a side surface of the remote annular connecting portion of first connector
With spacing slide rail, there is spacing preiection on second connector, the spacing preiection is slidably fit into described spacing
To be defined to the relative rotation angle between first connector and second connector on slide rail.
In one embodiment of the invention, second connector includes：First support, the first of the first support
End is fixed on the gyroaxis, wherein spacing preiection formation is in the first end lower end of described first support；And ball
Head connecting rod, the two ends of the ball head connecting rod be connected in the first support and the unsprung mass structural member on.
In one embodiment of the invention, the sprung mass structural member is subframe, the unsprung mass structural member
For swing arm.
The vehicle monitoring method of embodiment according to a further aspect of the invention, comprises the following steps：Detect in real time described
Relative position between the sprung mass structural member and unsprung mass structural member of vehicle simultaneously generates relative position signal, to generate spring
Relative position-the time graph improved quality between structural member and unsprung mass structural member；According to the sprung mass structural member with
Relative position-time graph between unsprung mass structural member, judges whether whether bad road and/or vehicle need maintenance on road surface；
When judged result is bad road or vehicle needs maintenance, alarmed.
Vehicle monitoring method according to embodiments of the present invention, has the advantages that algorithm is simple, processing speed is fast, can not only be real
When monitoring alarm vehicle load condition, dynamic monitoring alarm, vehicle aging monitoring alarm can also be played, and then improve shape
Into security, vehicle service life is extended.
In addition, vehicle monitoring method according to embodiments of the present invention can also have following additional technical feature：
In one embodiment of the invention, in addition to：The current vehicle speed of vehicle is monitored, when according to current vehicle speed being zero
The relative position signal judges whether the vehicle overloads, and when judged result is overload, is alarmed.
In one embodiment of the invention, by angular displacement sensor detect the sprung mass structural member of the vehicle with
Relative position between unsprung mass structural member.
In one embodiment of the invention, when relative between the sprung mass structural member and unsprung mass structural member
When the unilateral amplitude of position-time graph is more than default amplitude threshold, judge the road surface for bad road.
In one embodiment of the invention, when the current vehicle speed divided by the cloud server gather matter on the spring
The business for measuring the positive and negative change frequency of relative position-time graph between structural member and unsprung mass structural member is less than pre-determined distance
During threshold value, judge that the vehicle needs deceleration, alarmed.
In one embodiment of the invention, will be relative between the sprung mass structural member and unsprung mass structural member
Position is divided into 1 to n grade according to numerical values recited, sets the weight coefficient per i grades of relative positions as ξ i, by i-th grade of relative position
Cumulative number is designated as ci, whenDuring more than preset fatigue threshold value, judge that the vehicle needs maintenance, wherein i, n is whole
Number and 1≤i≤n.
In one embodiment of the invention, the sprung mass structural member is subframe, the unsprung mass structural member
For swing arm.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become from description of the accompanying drawings below to embodiment is combined
Substantially and be readily appreciated that, wherein：
Fig. 1 is the structured flowchart of vehicle monitoring system according to embodiments of the present invention.
Fig. 2（a）It is the structural representation of the relative position detection means of the embodiment of the present invention；Fig. 2（b）It is implementation of the present invention
The assembling schematic diagram of the relative position detection means of example.
Fig. 3 is the structural representation of the angular displacement sensor of the embodiment of the present invention.
Fig. 4 is that the output voltage of sprung mass structural member and unsprung mass structural member relative position and angular displacement sensor is believed
Number relation curve.
Fig. 5 is the schematic flow sheet of vehicle monitoring method according to embodiments of the present invention.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
First aspect present invention proposes a kind of vehicle monitoring system, as shown in figure 1, including vehicle 1 and cloud server 2.
Wherein, vehicle 1 can specifically include：Relative position detection means 11, onboard wireless communication device 12, warning device 13 and control
Device 14 processed.
Relative position detection means 11 be used to detecting the sprung mass structural member of the vehicle and unsprung mass structural member it
Between relative position and generate relative position signal.It is big that the relative position signal measured during stationary vehicle reflects sprung mass
It is small, can be for judging whether vehicle overloads.Vibrated when vehicle is travelled because spring is lower in vertical direction, sprung mass structure
The distance between part and unsprung mass structural member are correspondingly fluctuated within the specific limits, i.e., sprung mass structural member with spring
The relative position of quality structure part changes.Sprung mass structural member and unsprung mass structural member when registration of vehicle is travelled it
Between relative position signal can be used for judging pavement behavior.Normally, the whole road of vehicle（Good road）During upper traveling, vehicle body jolts
Smaller, spring amplitude is larger, and relative position signal fluctuation is smaller.Conversely, vehicle low-lying area road（Bad road）During upper traveling, vehicle body jolts
Larger, spring amplitude is larger, and relative position signal fluctuation is larger.
Fig. 2 shows the structural representation and assembling schematic diagram of the relative position detection means 11 of the embodiment of the present invention.Such as
Shown in Fig. 2, vehicle has sprung mass structural member 101 and unsprung mass structural member 102.Relative position detection means 11 is located at spring
Improve quality between structural member 101 and unsprung mass structural member 102.Relative position detection means 11 can include angular displacement sensor
103rd, the first connector 104 and the second connector 105.First connector 104 is connected to sprung mass structural member 101 and angular displacement
Between sensor 103.Second connector 105 is connected between unsprung mass structural member 102 and angular displacement sensor 103.Wherein
First connector 104 and the second connector 105 be configured to by sprung mass structural member 101 and unsprung mass structural member 102 it
Between relative position displacement switch to relative angular displacement and transmit to angular displacement sensor 103.
Sprung mass structural member 101 can be subframe, and unsprung mass structural member 102 can be swing arm.
Angular displacement sensor 103 is as shown in figure 3, can specifically include body 1031, annular connecting portion 1032 and gyroaxis
1033.Annular connecting portion 1032 is set in body 1031, and the annular connecting portion 1032 is connected with the first connector 104.For example, ring
Shape connecting portion 1032 can be with the mode connects for screw of the first connector 104.Gyroaxis 1033 is pivotally arranged in body 1031 and one
Body 1031 is stretched out at end.Gyroaxis 1033 is connected with the second connector 105.The relative angular displacement of body 1031 and gyroaxis 1033
It is bigger, the output signal of angular displacement sensor 103（Usually voltage signal）It is stronger.
First connector 104 can be formed as plate-like piece.Alternatively, the first connector 104 can be with sprung mass structure
The mode connects for screw of part 101.There is through hole, the wherein through hole is set in the body of angular displacement sensor 103 on first connector 104
On 1031.Preferably, also there is spacing slide rail on the side surface away from annular connecting portion 1032 of the first connector 104
1040, there is on the second connector spacing preiection 1050, spacing preiection 1050 be slidably fit on spacing slide rail 1040 with
Relative rotation angle between first connector 104 and the second connector 105 is defined.Relative rotation angle is limited
Fixed purpose be in order to by the impulse stroke of angular displacement sensor 103 control in the reasonable scope.
Second connector 105 specifically includes first support 1051 and ball head connecting rod 1052.The first end of first support 1051
It is fixed on gyroaxis 1033, wherein spacing preiection 1050 is formed in the first end lower end of first support 1051.Ball head connecting rod
1052 two ends be connected in first support 1051 and unsprung mass structural member 102 on.Wherein, first support 1051 can be with
Be formed as substantial arc plate.Alternatively, the side away from annular connecting portion 1032 of first support 1051 is outstanding is formed with
Stiffener 10510.The stiffener 510 plays a part of increasing intensity.Stiffener 10510 can be with the shape phase of first support 1051
Together.
In another embodiment of the present invention, the second connector 105 may further include second support 1053.Second
Support 1053 is connected between ball head connecting rod 1052 and unsprung mass structural member 102.
In yet another embodiment of the present invention, the second connector 105 can further include the 3rd support 1054.The
Three supports 1054 can be welded on unsprung mass structural member 102, and wherein second support 1053 is connected to the He of ball head connecting rod 1052
Between 3rd support 1054.
The relative position detection means 11 for vehicle of the above embodiment of the present invention, when the He of sprung mass structural member 101
When position relative displacement occurs for unsprung mass structural member 102, body 1031 in angular displacement sensor 103 is passed through due to body 1031
First connector 104 is connected with sprung mass structural member 101 and is synchronized with the movement with sprung mass structural member 101, meanwhile, angular displacement
Gyroaxis 1033 in sensor 103 is because gyroaxis 1033 is by first support 1051, ball head connecting rod 1052, second support
1053 and the 3rd support 1054 be connected with unsprung mass structural member 102 and be synchronized with the movement with unsprung mass structural member 102.By
This, switchs to relative angular displacement transmission by the relative position displacement between sprung mass structural member 101 and unsprung mass structural member 102
To angular displacement sensor 103.Fig. 3 shows sprung mass structural member 101 and the relative position of unsprung mass structural member 102 and angle position
The relation of the output voltage signal of displacement sensor 103, is linear function relation.
The measurement accuracy of relative position detection means 11 based on angular displacement sensor 1031 is high, and measuring speed is fast, structure letter
It is single, maintenance is easily installed, durable has a extensive future in business application.It should be noted that can also can using other
The sensor of direct detecting distance is as relative position detection means 11, or other sensors for being capable of indirect detection distance are made
For relative position detection means 11.
Onboard wireless communication device 12 is used for the wireless telecommunications for realizing vehicle 1 and cloud server 2.Onboard wireless communication dress
Various detection data can be uploaded to cloud server 2 by putting 12, and download various judgement results.Wireless telecommunications it is specific
Form can be GPRS, 3G communication or 4G communication in any one.
Warning device 13 can be loudspeaker, flashing indicator light etc..Because loudspeaker alarm will not cause driver driving
Eyesight is diverted attention when sailing, it is preferred to use loudspeaker.It should be noted that when alarm cause is different, the alarm content that loudspeaker is sent
Also it is different therewith.
Control device 14 is connected with relative position detection means 11, by onboard wireless communication device 12 in real time to high in the clouds
Server 2 sends relative position signal, and receives the judged result of the feedback of cloud server 2.When judged result be bad road or
When vehicle needs maintenance, the control warning device 13 of control device 14 is alarmed.
Cloud server 2 is used for the relative position signal that registration of vehicle 1 is sent, and generates under sprung mass structural member and spring
Relative position-time graph between quality structure part, and according between sprung mass structural member and unsprung mass structural member
Relative position-time graph judges whether road surface is whether bad road and/or vehicle need maintenance.Specific deterministic process is as follows：①
Cloud server 2 gathers the list of relative position-time graph between the sprung mass structural member and unsprung mass structural member
When side amplitude is more than default amplitude threshold, judge road surface for bad road.2. cloud server 2 is by matter under sprung mass structural member and spring
Relative position between amount structural member is divided into 1 to n grade according to numerical values recited, sets the weight coefficient of every i grades of relative positions as ξ
I, ci is designated as by the cumulative number of i-th grade of relative position, whenDuring more than preset fatigue threshold value, judge that vehicle needs guarantor
Support, wherein i, n are integer and 1≤i≤n.
The vehicle monitoring system of the above embodiment of the present invention, vehicle behaviour in service can be monitored in real time, exactly, on road
Mian Weihuai roads and vehicle need to propose prompting when maintenance for driver, are conducive to improving travel safety and extending vehicle making
Use the life-span.In addition, the system architecture is simple, maintenance is easily installed, is had a extensive future in business application.
In one embodiment of the invention, vehicle can also include vehicle speed detector device.The vehicle speed detector device is used for
Detect the current vehicle speed of the vehicle.Wherein, control device 14 is additionally operable to according to the relative position letter when current vehicle speed is zero
Number judge whether vehicle overloads, and when being judged as overload, the control warning device 13 of control device 14 is alarmed.Current vehicle speed is zero
When sprung mass structural member of relative position signal when having reflected stationary vehicle quality size, can be judged whether with this
Overload.
In one embodiment of the invention, vehicle 1 is provided with after vehicle speed detector device, and current vehicle speed data can be with
Combine with relative position signal data and judge whether vehicle needs deceleration.Specifically, control device 14 is additionally operable to by car
Carry wireless communication apparatus 12 and current vehicle speed is sent to cloud server 2, when judged result is that vehicle needs to slow down, control report
Alarm device 13 is alarmed.Cloud server 2 is additionally operable to calculate current vehicle speed divided by cloud server gathers the sprung mass structure
The business of the positive and negative change frequency of relative position-time graph between part and unsprung mass structural member, when result of calculation is with being less than
During pre-determined distance threshold value, judge that vehicle needs deceleration.
Second aspect of the present invention proposes a kind of vehicle monitoring method, as shown in figure 4, comprising the following steps：
S1. relative position in real time between the sprung mass structural member and unsprung mass structural member of detection vehicle and generation
Relative position signal, to generate relative position-time graph between sprung mass structural member and unsprung mass structural member.
Specifically, in one embodiment of the invention, sprung mass structural member can be subframe, unsprung mass structure
Part can be swing arm.In one embodiment of the invention, the sprung mass knot of vehicle can be detected by angular displacement sensor
Relative position between component and unsprung mass structural member.Angular displacement sensor has small volume, easy for installation, measurement accuracy high
The advantages of.It should be noted that relative position can also be detected using other sensors for being capable of directly detecting distance.
S2. according to relative position-time graph between sprung mass structural member and unsprung mass structural member, road surface is judged
Whether whether bad road and/or vehicle need maintenance.
In one embodiment of the invention, when the relative position between sprung mass structural member and unsprung mass structural member
Put-the unilateral amplitude of time graph is when being more than default amplitude threshold, judges road surface for bad road.
In one embodiment of the invention, by the relative position between sprung mass structural member and unsprung mass structural member
It is divided into 1 to n grade according to numerical values recited, sets the weight coefficient per i grade relative positions as ξ i, by adds up for i-th grade of relative position
Number of times is designated as ci, whenDuring more than preset fatigue threshold value, judge that vehicle needs maintenance, wherein i, n be integer and 1≤i≤
n。
S3 is alarmed when judged result is bad road or vehicle needs maintenance.
In one embodiment of the invention, in addition to step S4：The current vehicle speed of vehicle is monitored, is according to current vehicle speed
Relative position signal when zero judges whether vehicle overloads, and when judged result is overload, is alarmed.
In one embodiment of the invention, when current vehicle speed divided by cloud server collection sprung mass structural member and spring
When the business of the positive and negative change frequency of relative position-time graph between lower quality structure part is less than pre-determined distance threshold value, judge
Vehicle needs to slow down, and is alarmed.
It should be noted that each data processing and logic step in vehicle monitoring method proposed by the present invention can
To be realized by local Vehicle Controller, it can be realized by Radio Transmission Technology by long-range cloud server.Due to
Cloud server can save the hardware cost on vehicle, and can collect the current intelligence progress big data synthesis of many vehicles
Processing is used, therefore is preferably completed by cloud server.
In summary, vehicle monitoring method according to embodiments of the present invention, with algorithm is simple, that processing speed is fast is excellent
Point, can not only monitoring alarm vehicle in real time load condition, dynamic monitoring alarm, vehicle aging monitoring alarm can also be played,
And then improve to form security, extend vehicle service life.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, is for only for ease of the description present invention and simplifies description, rather than indicate or imply that the device or element of meaning must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In the description of the invention, " multiple " are meant that two or more,
Unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect；Can be joined directly together, can also be indirectly connected to by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements.For the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature
It is that the first and second features are directly contacted, or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height less than second feature.
Any process described otherwise above or method description are construed as in flow chart or herein, represent to include
Module, fragment or the portion of the code of one or more executable instructions for the step of realizing specific logical function or process
Point, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not be by shown or discussion suitable
Sequence, including according to involved function by it is basic simultaneously in the way of or in the opposite order, carry out perform function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
Represent in flow charts or logic and/or step described otherwise above herein, for example, being considered use
In the order list for the executable instruction for realizing logic function, it may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment（As computer based system including the system of processor or other can be held from instruction
The system of row system, device or equipment instruction fetch and execute instruction）Use, or combine these instruction execution systems, device or set
It is standby and use.
For the purpose of this specification, " computer-readable medium " can any can be included, store, communicate, propagate or pass
Defeated program is for instruction execution system, device or equipment or the dress for combining these instruction execution systems, device or equipment and using
Put.The more specifically example of computer-readable medium（Non-exhaustive list）Including following：Electricity with one or more wirings
Connecting portion（Electronic installation）, portable computer diskette box（Magnetic device）, random access memory（RAM）, read-only storage
（ROM）, erasable edit read-only storage（EPROM or flash memory）, fiber device, and portable optic disk is read-only deposits
Reservoir（CDROM）.In addition, can even is that can be in the paper of printing described program thereon or other are suitable for computer-readable medium
Medium, because can then enter edlin, interpretation or if necessary with it for example by carrying out optical scanner to paper or other media
His suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each several part of the present invention can be realized with hardware, software, firmware or combinations thereof.Above-mentioned
In embodiment, the software that multiple steps or method can in memory and by suitable instruction execution system be performed with storage
Or firmware is realized.If, and in another embodiment, can be with well known in the art for example, realized with hardware
Any one of row technology or their combination are realized：With the logic gates for realizing logic function to data-signal
Discrete logic, the application specific integrated circuit with suitable combinational logic gate circuit, programmable gate array（PGA）, scene
Programmable gate array（FPGA）Deng.
Those skilled in the art are appreciated that to realize all or part of step that above-described embodiment method is carried
Rapid to can be by program to instruct the hardware of correlation to complete, described program can be stored in a kind of computer-readable storage medium
In matter, the program upon execution, including one or a combination set of the step of embodiment of the method.
In addition, each functional unit in each embodiment of the invention can be integrated in a processing module, can also
That unit is individually physically present, can also two or more units be integrated in a module.Above-mentioned integrated mould
Block can both be realized in the form of hardware, it would however also be possible to employ the form of software function module is realized.The integrated module is such as
Fruit is realized using in the form of software function module and as independent production marketing or in use, can also be stored in a computer
In read/write memory medium.
Storage medium mentioned above can be read-only storage, disk or CD etc..
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described
Point is contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office
Combined in an appropriate manner in one or more embodiments or example.In addition, those skilled in the art can be by this specification
Described in not be the same as Example or example be combined and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (17)
1. a kind of vehicle monitoring system, it is characterised in that including vehicle and cloud server, wherein,
The vehicle includes：
Relative position detection means, for detecting the phase between the sprung mass structural member of the vehicle and unsprung mass structural member
To position and generate relative position signal；
Onboard wireless communication device, the wireless telecommunications for realizing the vehicle and cloud server；
Warning device；
Control device, the control device sends institute to the cloud server in real time by the onboard wireless communication device
Relative position signal is stated, and receives the judged result of the cloud server feedback, and when judged result is bad road or car
When needing maintenance, the warning device alarm is controlled；
The cloud server, for recording the relative position signal that the vehicle is sent, and generates the sprung mass
Relative position-time graph between structural member and unsprung mass structural member, and according under the sprung mass structural member and spring
Relative position-time graph between quality structure part judges whether road surface is whether bad road and/or vehicle need maintenance.
2. vehicle monitoring system according to claim 1, it is characterised in that the relative position detection means is specifically wrapped
Include：
Angular displacement sensor；
First connector, first connector is connected between the sprung mass structural member and the angular displacement sensor；
Second connector, second connector is connected between the unsprung mass structural member and the angular displacement sensor,
Wherein described first connector and second connector are configured to the sprung mass structural member and the unsprung mass
Relative position displacement between structural member switchs to relative angular displacement and transmitted to the angular displacement sensor.
3. vehicle monitoring system according to claim 1, it is characterised in that the vehicle also includes：
Vehicle speed detector device, the current vehicle speed for detecting the vehicle, wherein, the control device is additionally operable to according to when described
Relative position signal when current vehicle speed is zero judges whether the vehicle overloads, and when being judged as overload, the control
Device processed controls the warning device alarm.
4. the vehicle monitoring system according to claim any one of 1-3, it is characterised in that the cloud server gathers institute
The unilateral amplitude for stating relative position-time graph between sprung mass structural member and unsprung mass structural member is more than default amplitude
During threshold value, judge the road surface for bad road.
5. vehicle monitoring system according to claim 3, it is characterised in that
The control device is additionally operable to that the current vehicle speed is sent into the high in the clouds clothes by the onboard wireless communication device
Business device, when judged result is that vehicle needs to slow down, controlling loudspeaker alarm；
The cloud server is additionally operable to calculate the current vehicle speed divided by the cloud server gathers the sprung mass knot
The business of the positive and negative change frequency of relative position-time graph between component and unsprung mass structural member, when result of calculation with it is small
When pre-determined distance threshold value, judge that the vehicle needs deceleration.
6. the vehicle monitoring system according to claim any one of 1-3, it is characterised in that the cloud server will be described
Relative position between sprung mass structural member and unsprung mass structural member is divided into 1 to n grade according to numerical values recited, sets i-th grade
The weight coefficient of relative position is ξ i, and the cumulative number of i-th grade of relative position is designated as into ci, whenMore than preset fatigue
During threshold value, judge that the vehicle needs maintenance, wherein i, n is integer and 1≤i≤n.
7. vehicle monitoring system according to claim 2, it is characterised in that the angular displacement sensor includes：
Body；
The annular connecting portion of the body exterior is set in, the annular connecting portion is connected with first connector；
Gyroaxis, the gyroaxis is pivotally arranged in the body and the body, the gyroaxis and institute are stretched out in one end
State the connection of the second connector.
8. vehicle monitoring system according to claim 7, it is characterised in that first connector is formed as plate-like piece,
There is through hole, wherein the through hole is arranged on the body on first connector.
9. vehicle monitoring system according to claim 7, it is characterised in that the remote annular of first connector
Having on one side surface of connecting portion has spacing preiection on spacing slide rail, second connector, the spacing preiection can be slided
Coordinate dynamicly on the spacing slide rail with to the relative rotation angle between first connector and second connector
It is defined.
10. vehicle monitoring system according to claim 9, it is characterised in that second connector includes：
First support, the first end of the first support is fixed on the gyroaxis, wherein spacing preiection formation is in institute
The first end lower end for the first support stated；And
Ball head connecting rod, the two ends of the ball head connecting rod are connected in the first support and the unsprung mass structural member
On.
11. vehicle monitoring system according to claim 1, it is characterised in that the sprung mass structural member is subframe,
The unsprung mass structural member is swing arm.
12. a kind of vehicle monitoring method, it is characterised in that including：
The relative position between the sprung mass structural member of the vehicle and unsprung mass structural member is detected in real time and generates phase
To position signalling, to generate relative position-time graph between sprung mass structural member and unsprung mass structural member；
According to relative position-time graph between the sprung mass structural member and unsprung mass structural member, judge that road surface is
Whether Fou Huai roads and/or vehicle need maintenance, wherein, the phase between the sprung mass structural member and unsprung mass structural member
When being more than default amplitude threshold to the unilateral amplitude of position-time graph, judge the road surface for bad road；
When judged result is bad road or vehicle needs maintenance, alarmed.
13. vehicle monitoring method according to claim 12, it is characterised in that also include：The current vehicle speed of vehicle is monitored,
Relative position signal when according to current vehicle speed being zero judges whether the vehicle overloads, when judged result is overload,
Alarmed.
14. vehicle monitoring method according to claim 12, it is characterised in that the car is detected by angular displacement sensor
Sprung mass structural member and unsprung mass structural member between relative position.
15. vehicle monitoring method according to claim 13, it is characterised in that when in the current vehicle speed divided by the spring
The business of the positive and negative change frequency of relative position-time graph between quality structure part and unsprung mass structural member be less than it is default away from
During from threshold value, judge that the vehicle needs deceleration, alarmed.
16. the vehicle monitoring method according to claim any one of 12-14, it is characterised in that by the sprung mass knot
Relative position between component and unsprung mass structural member is divided into 1 to n grade according to numerical values recited, the every i grades of relative positions of setting
Weight coefficient is ξ i, and the cumulative number of i-th grade of relative position is designated as into ci, whenDuring more than preset fatigue threshold value, judge
The vehicle needs maintenance, and wherein i, n is integer and 1≤i≤n.
17. vehicle monitoring method according to claim 12, it is characterised in that the sprung mass structural member is secondary car
Frame, the unsprung mass structural member is swing arm.
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| CN201310747121.8A CN104751666B (en) | 2013-12-30 | 2013-12-30 | Vehicle monitoring system and vehicle monitoring method |
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| CN201310747121.8A CN104751666B (en) | 2013-12-30 | 2013-12-30 | Vehicle monitoring system and vehicle monitoring method |
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| CN104751666B true CN104751666B (en) | 2017-08-22 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106816022A (en) * | 2015-11-27 | 2017-06-09 | 中兴通讯股份有限公司 | Traffic information collection method, device and user terminal |
| FR3053492A1 (en) * | 2016-06-30 | 2018-01-05 | Compagnie Generale Des Etablissements Michelin | METHOD AND DEVICE FOR DETERMINING AN ESTIMATE OF THE TOTAL MASS OF A MOTOR VEHICLE |
| CN112133091A (en) * | 2020-09-23 | 2020-12-25 | 西安航空学院 | Road surface performance detection and alarm system based on smart phone |
| CN112349109B (en) * | 2021-01-07 | 2021-03-30 | 杭州车凌网络科技有限公司 | Road supervision method and system based on vehicle vibration sense |
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