CN105551240B - Motor vehicle exhaust emission assay method based on different condition of road surface - Google Patents
Motor vehicle exhaust emission assay method based on different condition of road surface Download PDFInfo
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Abstract
The invention discloses a kind of motor vehicle exhaust emission assay method based on different condition of road surface, flue gas analyzer is fixedly placed in automobile exhaust pipe mouth first, in real time the emission behaviour of record each composition of vehicle exhaust；Meanwhile, high-precision difference GPS positioning device is installed on automobile, it is linear so as to the location data combination DICAD roads Autocad fitting recovery path space of later-stage utilization collection；The Vibration Condition in mobile phone vibration induction technical notes vehicle traveling process can be also onboard utilized simultaneously；The rule for the motor vehicle exhaust emission that can finally probe under different condition of road surface.Condition of road surface is combined by the present invention with exhaust emissions, it can conveniently, clearly draw the different situations of motor vehicle exhaust emission under different condition of road surface, it is helpful to the affecting laws of exhaust emissions to probing into each space linear parameter of road, available for being referred to during highway layout scheme comparison, road environment evaluation etc., be conducive to promoting green traffic development.
Description
Technical field
The present invention relates to motor vehicle exhaust emission determination techniques field, and in particular to a kind of different condition of road surface of research for
The motor vehicle exhaust emission assay method of motor vehicle exhaust emission influence.
Background technology
With the development and urbanization of social economy, the quickening of motorization process, vehicle guaranteeding organic quantity sharp increase is occupied high
Under not.The quick increase of city automobile recoverable amount is in addition to causing serious traffic congestion, while also generating even more serious
Traffic pollution, wherein causing the healthy haze of very big inconvenience, serious infringement people as typical case using the life to people
Represent.
With increasingly sharpening for traffic pollution, emission control strategy study is also progressively by engine modifications etc. for single
The emission reduction of car develops into the overall emission control of road improvement.And the premise of effective road Exhaust Emission Control policy development
It is that quantitative evaluation reasonably and accurately is carried out to road exhaust emissions.Current road network exhaust emissions quantitatively evaluating research it is general from compared with
For the angle analysis road network vehicular emission total amount of macroscopic view, it is impossible to reflect the characteristic of different sections of highway exhaust emission in road network, therefore
The reference and guidance for reducing road exhaust emissions cannot be also provided for highway layout person.It follows that road exhaust emissions
Accurate quantification, be the key for solving the problems, such as traffic environment.
Influence the factor of road exhaust emissions level extremely complex, for a long time, both at home and abroad for road exhaust emissions
Research is focused primarily upon in terms of driving behavior, traffic flow, engine, subjective factor-people for influenceing road exhaust emissions
More comprehensively understand and study with objective factor-Che Douyou, but many study the transport condition for being conceived to vehicle：Speed
And acceleration.Understood through researching and analysing, the difference of the spatial linear of road parameters such as (including) gradient, sweep, lengths of grade and
Flatness can all have a certain impact to its exhaust emissions.Actually the geometry linear of road is also the transport condition for determining vehicle
Principal element.Not only there is Correction in Road Alignment Design for the research that path space is linear and flatness is to road exhaust emissions
Directive significance, additionally it is possible to reliable road exhaust emissions trend prediction is provided during for multi-scheme route selection, is its environmental evaluation
Strong demonstration is provided.
Existing Exhaust measurement method is a lot, but is the Exhaust measurement device for being fixedly installed on both sides of the road or intersection,
Such assay method has the following disadvantages：1) it can not track, persistently determine the tail gas row of particular vehicle in the process of moving
Put situation of change；2) it is difficult intuitively to react the relation between motor vehicle exhaust emission condition of road surface different from what is travelled.
In summary, a kind of motor vehicle exhaust emission survey that can conveniently, intuitively determine based on different condition of road surface is proposed
Method is determined, consequently facilitating we summarize, analysis each space linear parameter of road is necessary to the affecting laws of exhaust emissions
, it is also popularization, realizes the theory urgent problems to be solved such as " green traffic ", " sustainable development ".
The content of the invention
Technical problem：The technical problems to be solved by the invention are：A kind of car tail based on different condition of road surface is provided
Gas emissions measurement method, can facilitate, intuitively study affecting laws of the different condition of road surface for motor vehicle exhaust emission, can
To overcome the deficiencies in the prior art, while traffic environment can also be solved the problems, such as preferably.
Technical scheme：The present invention a kind of motor vehicle exhaust emission assay method based on different condition of road surface be：The measure
Method includes being determined exhaust emissions situation with flue gas analyzer, road alignment index is restored using gps data and being utilized mobile phone
Vibration Condition in vibration induction technical notes vehicle traveling process；According to GPS positioning device and it can sense and record vibration feelings
Condition mobile phone vibration inductor record data, can embody, reduce the sweep for determining road, length of grade, the gradient it is each
The flatness of the linear index in space-like and road, in conjunction with the emission behaviour of each composition of vehicle exhaust recorded, analysis is surveyed
Determine the relation of the linear index in space, flatness and the motor vehicle exhaust emission of road.
The use flue gas analyzer determines exhaust emissions situation, is that flue gas analyzer is fixedly placed in into automobile exhaust pipe
Mouthful, the emission behaviour of record each composition of vehicle exhaust, determines flue gas analyzer connection computer after terminating, can will record number in real time
According to export.
The utilization gps data restores road alignment index, is that installation is that high accuracy is installed on automobile on automobile
Differential GPS positioner, record automobile accurate the real time measure institute three-dimensional coordinate and traveling through section in overall process is determined is fast
Degree, and required precision is 0.01 meter level.After measure terminates, these data are imported into line type parameters calculation procedure and specialty
CAD highway layouts auxiliary software in, depict automobile in measure stage three-dimensional travel route, realize the recovery of track of vehicle
Visualization, namely the linear fitting of route recovers, visualization.
The Research Thinking of line type parameters calculation procedure therein is first with differential GPS and dead reckoning (DGPS/
DR) combined orientation technology and computer technology obtain detection road position coordinate in real time, then calculate road by these coordinates
Linear parameter.
Vibration Condition in the utilization mobile phone vibration induction technical notes vehicle traveling process；It is that energy is carried on automobile
Sense and record the Vibration Condition of automobile in the mobile phone vibration inductor of Vibration Condition, record whole measurement process, and then instead
Mirror comfort level when passenger takes and the flatness of institute's travel.
This method comprises the following steps：
1) it is to be measured examination under conditions of 20-25 degrees Celsius to select kart that a car age is 3-5 in temperature
Test；
2) GPS positioning device is installed on selected vehicle and can senses and record the vibration inductions such as the mobile phone of Vibration Condition
Device；
3) by car engine, whether flue gas analyzer used in demarcation, inspection is sensitive, and completes instrument clearing and instrument
The step of deferred reaction time calibrating；
4) it will demarcate and reset the exhaust pipe mouth that errorless flue gas analyzer is tightened with iron wire, is fixed on selected measure vehicle
Place；
5) drive selected vehicle to travel on the road to be determined, while whether flue gas analyzer can be observed in the car normal
Work；
6) after vehicle traveling terminates, what real-time emission data that flue gas analyzer is determined, GPS positioning device were determined
Real time positioning data and the vibration data export that can sense and record the vibration inductors such as the mobile phone of Vibration Condition measure, and note
It is poor come the delay time at stop for eliminating this corresponding 3 class data of same place by the time shaft of mobile Various types of data to anticipate, and then obtains
The corresponding exhaust emissions situation in different location and Vibration Condition in vehicle traveling process；
7) location data recorded in continuous mode is imported into CAD, in conjunction with interactive road and grade separation CAD system
DICAD depicts travel route of the automobile in measure stage three-dimensional, and three dimension pathline figure is directly obtained by GPS three-dimensional coordinates, realizes
Recovery visualization of the track of vehicle on map, namely the linear fitting of route recovers, visualization, then correspond to each point reality on route
When exhaust emissions situation and Vibration Condition, you can analysis determines the linear index in space, flatness and the vehicle exhaust of road
The relation of discharge.
Beneficial effect：The invention has the advantages that and good effect：
1st, the present invention is directed to instantly increasingly serious traffic environment problem, proposes a kind of by condition of road surface and exhaust emissions phase
With reference to resolving ideas, it is intended to solve the problems, such as traffic environment from the angle of road, be easy to subtract from new more effective approach
Few life of the tail gas to people causes the harm that greatly inconvenience and the health to people are caused, and has very strong realistic meaning.
2nd, exhaust emissions assay method proposed by the present invention is simple and easy to apply, and the equipment used obtains convenient, and the GPS used determines
The position many vehicles of technology have vehicle-mounted, and many smart mobile phones can be realized the vibration induction technology used now.
3rd, it is proposed by the present invention that the Vibration Condition of automobile in the process of moving, energy are recorded with vibration inductors such as mobile phones
The flatness of comfort level more convenient, that more intuitively reflection passenger rides in an automobile and road.
4th, it is proposed by the present invention that the location data recorded in continuous mode is imported into CAD, it is (interactive in conjunction with DICAD
Formula road and grade separation CAD system) travel route of the automobile in measure stage three-dimensional is depicted, directly obtained by GPS three-dimensional coordinates
Three dimension pathline figure, is easy to implement the visualization of measure, registration of vehicle track and road alignment.
5th, for same measure vehicle and determination experiment temperature, using assay method proposed by the present invention, determining
After the exhaust emissions situation of some different condition of road surface, each whole degree of space linear parameter peace of the road that can visually see is to tail
The affecting laws of gas discharge, provide reliable road exhaust emissions and become when can thus facilitate us for multi-scheme route selection
Gesture is predicted, strong demonstration is provided for its environmental evaluation；Guiding highway layout person is also allowed for simultaneously just to note in Period of Road Design
Weigh the sustainable development of road, follow " green " transport development trend, pursue the comprehensive benefit of road.
Brief description of the drawings
Fig. 1 is the implementation process diagram of the present invention.
Have in figure：Flue gas determines module 1, and gps data determines module 2, and Vibration Condition determines module 3.
Embodiment
The present invention utilizes GPS positioning technology simultaneously using flue gas analyzer the real time measure, record vehicle exhaust discharge quantity
The Vibration Condition in the driving path and traveling of automobile is determined, recorded with vibration induction technology, and then obtains running car not
The different situations of exhaust emissions on linear and flatness the road of isospace.
Specifically, described flue gas analyzer is fixedly placed in automobile exhaust pipe mouth, in real time record each composition of vehicle exhaust
Emission behaviour.
Specifically, described GPS positioning technology is that the real-time positioning number that GPS positioning device gathers automobile is installed on automobile
According to these location data combination DICAD (interactive road and grade separation CAD system) collected of later-stage utilization realize track of vehicle
Recovery visualization on map, namely the linear fitting of route recovers, visualization.
Specifically, described vibration induction technology is the vibration such as mobile phone that onboard utilization can sense and record Vibration Condition
Vibration Condition in induction installation record vehicle traveling process, and then reflect comfort level and institute's travel when passenger takes
Flatness.
Motor vehicle exhaust emission assay method proposed by the present invention based on different condition of road surface, comprises the following steps：1) select
A fixed car age is that 3-5, kart of good performance are to be measured experiment under conditions of 20-25 degrees Celsius in temperature；
2) GPS positioning device is installed on selected vehicle and can senses and record the vibration inductions such as the mobile phone of Vibration Condition
Device；
3) by car engine, whether flue gas analyzer used in demarcation, inspection is sensitive, and completes instrument clearing and instrument
The step of deferred reaction time calibrating；
4) it will demarcate and reset the exhaust pipe mouth that errorless flue gas analyzer is tightened with iron wire, is fixed on selected measure vehicle
Place；
5) drive selected vehicle to travel on the road to be determined, while whether flue gas analyzer can be observed in the car normal
Work；
6) after vehicle traveling terminates, what real-time emission data that flue gas analyzer is determined, GPS positioning device were determined
Real time positioning data and the vibration data export that can sense and record the vibration inductors such as the mobile phone of Vibration Condition measure, and note
It is poor come the delay time at stop for eliminating this corresponding 3 class data of same place by the time shaft of mobile Various types of data to anticipate, and then obtains
The corresponding exhaust emissions situation in different location and Vibration Condition in vehicle traveling process；7) by the positioning number recorded in continuous mode
According to importeding into CAD, automobile is depicted in measure stage three-dimensional in conjunction with DICAD (interactive road and grade separation CAD system)
Travel route, three dimension pathline figure is directly obtained by GPS three-dimensional coordinates, realizes recovery visualization of the track of vehicle on map,
I.e. the linear fitting of route recovers, visualized, then the real-time exhaust emissions situation of each point and Vibration Condition on corresponding route, you can
Analysis determines the relation of the linear index in space, flatness and the motor vehicle exhaust emission of road.
Make specific introduce to the present invention below in conjunction with the drawings and specific embodiments.
Shown in reference picture 1, a kind of motor vehicle exhaust emission assay method based on different condition of road surface of the invention is by flue gas
Determine module 1, gps data and determine module 2, Vibration Condition measure module 3 three part composition, 3 modules are carried out simultaneously.
First, a selected car age is 3-5, kart of good performance in the condition that temperature is 20-25 degrees Celsius
Under be measured experiment.Then GPS positioning device is installed on selected vehicle and the mobile phone of Vibration Condition can be sensed and record
Deng vibration inductor.
In the specific implementation process of module 1, first by car engine, whether flue gas analyzer used in demarcation, inspection is sensitive,
And complete the step of instrument clearing is demarcated with the instrumental delay reaction time；It will demarcate again and reset errorless flue gas analyzer iron wire
Tighten, be fixed at the exhaust pipe mouth of selected measure vehicle；Then drive selected vehicle to travel on the road to be determined, together
When can observe in the car flue gas analyzer whether normal work.After vehicle traveling terminates, the real-time tail that flue gas analyzer is determined
Gas emissions data is exported, to be analyzed to use.
In the specific implementation process of module 2, the location data in GPS positioning device record running car.Vehicle traveling terminates
Afterwards, the location data recorded in continuous mode is imported into CAD, in conjunction with DICAD (interactive road and grade separation CAD system)
Travel route of the automobile in measure stage three-dimensional is depicted, three dimension pathline figure is directly obtained by GPS three-dimensional coordinates, vehicle rail is realized
Recovery visualization of the mark on map, namely the linear fitting of route recovers, visualization.
In the specific implementation process of module 3, the vibration inductor registration of vehicle such as mobile phone of Vibration Condition can be sensed and recorded
Vibration Condition during traveling.After vehicle traveling terminates, the Vibration Condition data being measured to are exported, it is to be analyzed to use.
The three class data obtained from 3 modules are analyzed and processed, note eliminating same by the time shaft of mobile Various types of data
The delay time at stop of this corresponding 3 class data of one place is poor, and then obtains the corresponding tail gas row in different location in vehicle traveling process
To one's heart's content condition and Vibration Condition.
Then it is the different corresponding tails of the space linear parameter of institute's travel according to visual traval trace
The different situations of gas discharge, can intuitively go out affecting laws of each space linear parameter of road to exhaust emissions；According to difference
The different situations of the corresponding exhaust emissions of Vibration Condition, can intuitively go out influence rule of the road evenness to exhaust emissions
Rule.
Using the present invention, the motor vehicle exhaust emission rule under different condition of road surface can be quickly and easily determined, while also can
Quickly realize measure, record traval trace and visualization is realized in DICAD softwares, will be solution from the angle of road
Traffic environment problem improves new thinking and research approach.Using the present invention, each space line parameter of the road that can visually see
Number and flatness provide reliable to the affecting laws of exhaust emissions when can thus facilitate us for multi-scheme route selection
Road exhaust emissions trend prediction, strong demonstration is provided for its environmental evaluation；Guiding highway layout Zhe roads are also allowed for simultaneously
The road design phase just focuses on the sustainable development of road, follows " green " transport development trend, pursues the comprehensive benefit of road.
Embodiments of the present invention are described in detail above in association with accompanying drawing, but the present invention is not limited to described reality
Apply mode.For one of ordinary skill in the art, in the range of the principle and technological thought of the present invention, to these implementations
Mode carries out a variety of changes, modification, replacement and deformation and still fallen within protection scope of the present invention.
Claims (6)
1. a kind of motor vehicle exhaust emission assay method based on different condition of road surface, it is characterised in that the assay method includes using cigarette
Gas analyzer is determined exhaust emissions situation, road alignment index is restored using gps data and utilizes mobile phone vibration induction technology
Record the Vibration Condition in vehicle traveling process；According to GPS positioning device and can sense and record Vibration Condition mobile phone vibration
The data of induction installation record, embody, reduce sweep, length of grade, the linear index in all kinds of spaces of the gradient for determining road
With the flatness of road, in conjunction with the emission behaviour of each composition of vehicle exhaust recorded, analysis determines the space line of road
Shape index, flatness and the relation of motor vehicle exhaust emission.
2. the motor vehicle exhaust emission assay method according to claim 1 based on different condition of road surface, it is characterised in that：Institute
State and determine exhaust emissions with flue gas analyzer and can determine hydrocarbon, oxynitrides, carbon monoxide, sulfur dioxide, contain
The concentration of lead compound, BaP and the major pollutants in solid particulate matter tail gas, range is 10000ppm, and precision is accurate to
0.1ppm, and require to carry data storage function.
3. the motor vehicle exhaust emission assay method according to claim 1 based on different condition of road surface, it is characterised in that：Institute
State and determine exhaust emissions situation with flue gas analyzer, be that flue gas analyzer is fixedly placed in automobile exhaust pipe mouth, in real time record
Flue gas analyzer is connected computer by the emission behaviour of each composition of vehicle exhaust, measure after terminating, and record data is exported.
4. the motor vehicle exhaust emission assay method according to claim 1 based on different condition of road surface, it is characterised in that：Institute
State and restore road alignment index using gps data, be the installation high-precision difference GPS positioning device on automobile, record automobile
Three-dimensional coordinate and travel speed of the accurate the real time measure institute through section in overall process is determined, and required precision is 0.01 meter level；
After measure terminates, the CAD highway layouts that these data are imported into line type parameters calculation procedure and specialty are aided in software,
Automobile is depicted in measure stage three-dimensional travel route, the recovery visualization of track of vehicle is realized, namely route linear plan
Close and recover, visualize.
5. the motor vehicle exhaust emission assay method according to claim 1 based on different condition of road surface, it is characterised in that：Institute
State and utilize the Vibration Condition in mobile phone vibration induction technical notes vehicle traveling process；It is to carry to sense and record on automobile
The Vibration Condition of automobile in the mobile phone vibration inductor of Vibration Condition, record whole measurement process, and then reflect that passenger multiplies
The flatness of comfort level and institute's travel during seat.
6. the motor vehicle exhaust emission assay method according to claim 1 based on different condition of road surface, it is characterised in that should
Method comprises the following steps：
1) it is that 3-5, the kart of medium-performance are to be surveyed under conditions of 20-25 degrees Celsius in temperature to select a car age
Fixed experiment；
2) GPS positioning device is installed on selected vehicle and the mobile phone vibration inductor of Vibration Condition can be sensed and record；
3) by car engine, whether flue gas analyzer used in demarcation, inspection is sensitive, and completes instrument clearing and instrumental delay
The step of reaction time is demarcated；
4) the errorless flue gas analyzer of clearing will be demarcated to be fixed at the exhaust pipe mouth of selected measure vehicle；
5) drive selected vehicle to travel on the road to be determined, while the whether normal work of flue gas analyzer can be observed in the car
Make；
6) after vehicle traveling terminates, it is real-time that real-time emission data that flue gas analyzer is determined, GPS positioning device are determined
Location data and the vibration data export that can sense and record the vibration inductors such as the mobile phone of Vibration Condition measure, and note logical
Cross that to move the time shaft of Various types of data poor to eliminate the delay time at stop of this corresponding 3 class data of same place, and then obtain automobile
The corresponding exhaust emissions situation in different location and Vibration Condition during traveling；
7) location data recorded in continuous mode is imported into CAD, in conjunction with interactive road and grade separation CAD system
DICAD depicts travel route of the automobile in measure stage three-dimensional, and three dimension pathline figure is directly obtained by GPS three-dimensional coordinates, realizes
Recovery visualization of the track of vehicle on map, namely the linear fitting of route recovers, visualization, then correspond to each point reality on route
When exhaust emissions situation and Vibration Condition, you can analysis determines the linear index in space, flatness and the vehicle exhaust of road
The relation of discharge.
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