CN105761467B - Public transport vehicle-mounted volume of passenger traffic statistical system and statistical method based on photosensitive wireless sense network - Google Patents
Public transport vehicle-mounted volume of passenger traffic statistical system and statistical method based on photosensitive wireless sense network Download PDFInfo
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- CN105761467B CN105761467B CN201610091561.6A CN201610091561A CN105761467B CN 105761467 B CN105761467 B CN 105761467B CN 201610091561 A CN201610091561 A CN 201610091561A CN 105761467 B CN105761467 B CN 105761467B
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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
- G06—COMPUTING; CALCULATING OR COUNTING
- G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
- G06M1/00—Design features of general application
- G06M1/27—Design features of general application for representing the result of count in the form of electric signals, e.g. by sensing markings on the counter drum
- G06M1/272—Design features of general application for representing the result of count in the form of electric signals, e.g. by sensing markings on the counter drum using photoelectric means
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
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- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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Abstract
The invention discloses a kind of public transport vehicle-mounted volume of passenger traffic statistical system and statistical method based on photosensitive wireless sense network, belong to public transport vehicle-mounted volume of passenger traffic statistical technique field.Including directional light sources, photosensitive sensor, communication module, wireless wide area network, background server, command scheduling center and intelligent terminal, the directional light sources provide photosensitive light source for photosensitive sensor, the photosensitive sensor acquires the intensity of illumination data at car door up and down, intensity of illumination data are sent to background server by wireless wide area network by the communication module, the background server receives and stores data, and the number of getting on or off the bus is counted by number detection algorithm, final result is distributed to command scheduling center and intelligent terminal.The present invention is easy to use, cheap, and using wireless transmission method, without carrying out large-scale redevelopment to bus, generation data volume is extremely low, mitigates the calculating pressure of processing end.Maintenance cost of the present invention is low, structure is simple, precision is reliable.
Description
Technical field
The present invention relates to public transport vehicle-mounted volume of passenger traffic statistical technique fields, are based on photosensitive wireless biography more specifically to one kind
Feel the public transport vehicle-mounted volume of passenger traffic statistical system and statistical method of net.
Background technique
With the high speed development of urbanization, people pay attention to the efficiency and service quality of public trip further.Public transport
Vehicle has the characteristics that material benefit is convenient, flexible as important ground public transport tool, is that numerous citizens' activities are preferred.Currently,
Public transit system intelligence rapidly develops, wherein passenger capacity counts for intelligent bus, be a highly important decision according to
According to passenger capacity statistics can be merged in conjunction with bus geographical location information and push to the terminal devices such as mobile phone, enable passenger
It is enough that seating decision is made according to target shift in time, optimal seating scheme is selected, while the information also can be bus dispatching system
System provides reference and adds when there are passenger's congested conditions and send public transport shift, rationally alleviates peak of riding, provides well for passenger
Ride experience.
Existing public transport vehicle-mounted volume of passenger traffic statistical system, the main cause for failing large-area applications are not find a kind of deployment maintenance
Scheme that is at low cost and having degree of precision.The present invention attempts to go to solve public transport vehicle-mounted volume of passenger traffic detection using photosensitive sensor
Technical solution not yet has tried to.The variation of light intensity has the characteristics that regularity when we pass through passageway using personnel, right
The values of light of photosensitive sensor acquisition, which is done special algorithm processing and can be obtained, passes through number.
It is the detection technique of active infrared with existing most similar and most universal implementation.Chen Shan, Pan Tianhong, Lee
Just bright " development of network-type bus passenger flow detection system " one delivered the 24th (6) phase of " automation and instrument " magazine in 2009
It is proposed that active infra-red detection technique needs infrared ray emission source and corresponding reception, detection device and infrared ray hair to receive light in text
Road, if infrared light path blocked, the electrical signal intensity of photoelectric receiving device output will change, after amplified and processed
Start controller, judgement has a people to pass through if strong-weak-strong infrared signal is collected if receiver.Beijing Jiaotong University Wu
Beautiful pretty young woman is proposed and is extracted based on IC card information in Master's thesis in 2010 " exploration to Based on Bus IC Card Data processing analysis application "
Mode utilizes the paying riding fee used time brush IC card of passenger, substantially provides current volume of the flow of passengers situation according to the quantity of swiping the card at every station；
University Of Chongqing's stone Asia elk Master's thesis in 2014 " the public traffice passenger flow statistical method research based on video " is proposed based on video
Bus passenger detection system carries out video image shooting using camera, carries out to collected sequence of video images corresponding pre-
Processing, then detects pretreated image by corresponding detection algorithm, extracts wherein interested feature, and right
It is tracked during getting on or off the bus.Finally passenger inside the vehicle's quantity is determined according to the quantity for the passenger that gets on or off the bus.
It is above-mentioned of the existing technology the disadvantage is that: the mainstream technology of the existing public transport vehicle-mounted volume of passenger traffic statistical system of bus passenger number
Substantially have based on IC card information extraction system, pressure-sensitive pedal system, passive infrared and active infrared detection system, based on video figure
As analysis system.And realization at low cost based on IC card information extractive technique is simple, but the crowd being directed to is to possess IC card to multiply
Visitor, universality is not high, and does not accomplish passengers quantity detection of getting off, therefore accuracy is lower.Pressure-sensitive pedal system is that one kind can
The higher number system of row, but it is limited to pressure-sensitive component easy to damage, maintenance cost is higher.Passive infrared and active infrared for
It is double higher by omission factor side by side.It is theoretically able to achieve higher accuracy based on video image analysis number of getting on or off the bus,
But it is constrained to software algorithm, and needs separate camera and high performance DSP to support, therefore lower deployment cost is high.
For these disadvantages, the present invention in the case where providing enough detection accuracy, using cheap photosensitive sensor and
Development board without carrying out large-scale redevelopment to existing bus, and only generates extremely low number by the way of wirelessly transmitting data
According to amount, mitigate the calculating pressure of processing end.Accomplish that deployment maintenance is at low cost, structure is simple, the reliable carrying quantity detecting system of precision
System.
Summary of the invention
The present invention provides a kind of public transport vehicle-mounted volume of passenger traffic statistical system and statistical method based on photosensitive wireless sense network.
To solve the above-mentioned problems, the technical solution adopted in the present invention is as follows: a kind of based on photosensitive wireless sense network
Public transport vehicle-mounted volume of passenger traffic statistical system, including directional light sources, photosensitive sensor, communication module, wireless wide area network, background server,
Command scheduling center and intelligent terminal, the directional light sources provide photosensitive light source, the light sensor for photosensitive sensor
Device acquires the intensity of illumination data at car door up and down, and intensity of illumination data are sent to by the communication module by wireless wide area network
Background server, the background server receive and store data, and background server execution is counted by number detection algorithm
For number of getting on the bus during certain close door that once pulls in number of getting off, final result is distributed to command scheduling center and intelligence
Terminal device.
Further, the photosensitive sensor is separately positioned on entrance door and exit door position, and the photosensitive sensor is
The Telosb wireless sensor of CrossBow company.
Further, the photosensitive sensor is 1 in the quantity that entrance door is arranged, and is 3 in the quantity of exit door setting
It is a.
Further, the communication module includes the sink node for being responsible for receiving data, and the sink node is arranged under
Door position, quantity are 1.
Further, the wireless wide area network uses 3G and/or 4G and/or EDGE communication.
Further, described to be included the following steps: by number detection algorithm
S1: pass through number detection algorithm when passenger loading: photosensitive sensor A and directional light sources B being set in entrance door, when multiplying
When visitor gets on the bus, the light of directional light sources B can be blocked, the light intensity value that photosensitive sensor A is experiencedL A It can be greatly reduced, and be less than
Preset threshold value, after passenger enters compartment, directional light sources B is irradiated to again on photosensitive sensor A, light intensity valueL A Increase to threshold
On value, the personnel that get on the bus add 1 automatically, and calculation formula is:Nu=Nu+1。
S2: included the following steps: when passenger getting off car by number detection algorithm
S21: three photosensitive sensors A, B, C and directional light sources D is arranged in exit door, and photosensitive sensor A, B are in exit door two
Side corresponding position, effect are to perceive the light intensity of surrounding natural environment, and photosensitive sensor A, B are not influenced by directional light sources D, photosensitive biography
Sensor C and directional light sources D has installed shade additional in exit door two sides corresponding position, photosensitive sensor C, single can perceive
The light of self orientation light source D；
S22: in the case where nobody, photosensitive sensor A, B collected " natural environment light " are denoted as:L NA 、L NB ,
During passenger getting off car, passenger first passes around photosensitive sensor A, B.The feature light intensity data perceived at this time is denoted as:L A 、L B ；
S23: photosensitive sensor C judges whether that someone passes through, since the sample frequency of photosensitive sensor A, B, C are consistent, because
This can find from the wave trough position of photosensitive sensor CL A 、L B The position of characteristic value is simultaneously judged；
S24: it is equal in environment lightL NA In the case where,L A Characteristic value can be obtained by light intensity apart from mapping relations principle
The personnel passed through at this time with a distance from A,L B Characteristic value can obtain the people passed through at this time apart from mapping relations principle by light intensity
Member is with a distance from B.
S25: according to the distance value at synchronization A with the place B, being arranged distance threshold, if the distance value etc. at A and at B
In the threshold value of setting, then plus a people, people is then not added if it is greater than threshold value, if last synchronization total number of persons is 0 plus one
People.
The present invention is in the case where providing enough detection accuracy, using cheap photosensitive sensor and development board, using nothing
Line transmits the mode of data, without carrying out large-scale redevelopment to existing bus, and only generates extremely low data volume, mitigation processing
The calculating pressure at end.Accomplish that deployment maintenance is at low cost, structure is simple, the reliable carrying amount detection systems of precision.
Detailed description of the invention
Fig. 1 is the public transport vehicle-mounted volume of passenger traffic statistical system structural schematic diagram of the invention based on photosensitive wireless sense network；
Fig. 2 is the door sensor cloth of getting on the bus of the public transport vehicle-mounted volume of passenger traffic statistical system of the invention based on photosensitive wireless sense network
Set schematic diagram；
Fig. 3 is the door sensor cloth of getting off of the public transport vehicle-mounted volume of passenger traffic statistical system of the invention based on photosensitive wireless sense network
Set schematic diagram；
Fig. 4 is environment light of the invention in 2400-2500, and personnel pass through apart from photosensitive sensor 10cm and 30cm
When, photosensitive sensor light intensity minimum value distribution map collected.
In figure: 1, directional light sources；2, photosensitive sensor；3, communication module；4, wireless wide area network；5, background server；6,
Command scheduling center；7, intelligent terminal.
Specific embodiment
The present invention is further described below combined with specific embodiments below.
As shown in Figure 1, a kind of public transport vehicle-mounted volume of passenger traffic statistical system based on photosensitive wireless sense network, including directional light sources 1,
Photosensitive sensor 2, communication module 3, wireless wide area network 4, background server 5, command scheduling center 6 and intelligent terminal 7, institute
Stating directional light sources 1 is that photosensitive sensor 2 provides photosensitive light source, and the photosensitive sensor 2 acquires the intensity of illumination at upper and lower car door
Intensity of illumination data are sent to background server 5, the background service by wireless wide area network 4 by data, the communication module 3
Device 5 receives and stores data, and the execution of background server 5 counts certain close door process that once pulls in by number detection algorithm
In get on the bus and number and get off number, final result is distributed to command scheduling center 6 and intelligent terminal 7.
The photosensitive sensor 2 is separately positioned on entrance door and exit door position, and the photosensitive sensor 2 is CrossBow
The Telosb wireless sensor of company, which follows IEEE 802.15.4 protocol specification, and carries standard specification
Hamamatsu S1087 light sensation component, have the characteristics that small in size, at low cost, low energy consumption, quite convenient for deployment and data adopt
Collection.Photosensitive sensor 2 is 1 in the quantity that entrance door is arranged, and is 3 in the quantity of exit door setting.The communication module 3 is wrapped
The sink node for being responsible for receiving data is included, in exit door position, quantity is 1 for the sink node setting.The wireless wide-area
Net 4 uses 3G and/or 4G and/or EDGE communication.
As shown in Figure 2 and Figure 3, described to be included the following steps: by number detection algorithm
S1: pass through number detection algorithm when passenger loading: photosensitive sensor A and directional light sources B being set in entrance door, when multiplying
When visitor gets on the bus, the light of directional light sources B can be blocked, the light intensity value that photosensitive sensor A is experiencedL A It can be greatly reduced, and be less than
Preset threshold value, after passenger enters compartment, directional light sources B is irradiated to again on photosensitive sensor A, light intensity valueL A Increase to threshold
On value, the personnel that get on the bus add 1 automatically, and calculation formula is:Nu=Nu+1。
S2: included the following steps: when passenger getting off car by number detection algorithm
S21: three photosensitive sensors A, B, C and directional light sources D is arranged in exit door, and photosensitive sensor A, B are in exit door two
Side corresponding position, effect are to perceive the light intensity of surrounding natural environment, and photosensitive sensor A, B are not influenced by directional light sources D, photosensitive biography
Sensor C and directional light sources D has installed shade additional in exit door two sides corresponding position, photosensitive sensor C, single can perceive
The light of self orientation light source D；
S22: in the case where nobody, photosensitive sensor A, B collected " natural environment light " are denoted as:L NA 、L NB ,
During passenger getting off car, passenger first passes around photosensitive sensor A, B.The feature light intensity data perceived at this time is denoted as:L A 、L B ；
S23: photosensitive sensor C judges whether that someone passes through, since the sample frequency of photosensitive sensor A, B, C are consistent, because
This can find from the wave trough position of photosensitive sensor CL A 、L B The position of characteristic value is simultaneously judged；
S24: it is equal in environment lightL NA In the case where,L A Characteristic value can be obtained by light intensity apart from mapping relations principle
The personnel passed through at this time with a distance from A,L B Characteristic value can obtain the people passed through at this time apart from mapping relations principle by light intensity
Member is with a distance from B.
S25: according to the distance value at synchronization A with the place B, being arranged distance threshold, if the distance value etc. at A and at B
In the threshold value of setting, then plus a people, people is then not added if it is greater than threshold value, if last synchronization total number of persons is 0 plus one
People.
In the present embodiment, the entrance door width that bus is arranged is 50 centimetres, and the width that exit door is arranged is 90 centimetres.
The present embodiment using environmental light intensity variation and distance mapping relations come estimate passenger at a distance from sensor, and
The case where passenger passes through side by side is detected with this.This mapping relations between the two belong to objective phenomenon.Therefore inventor carries out
Related experiment, it is intended to pass through the relationship that data both are found.Under the different environmental light intensities, inventor is according to regulation and biography
The distance value 10cm or 30cm of sensor directly by passageway, and collected light intensity minimum value and environment light are remembered simultaneously
Record is got off.The reason of choosing 10cm is that the width of rear door is generally between 80-100cm, if two people get off side by side simultaneously, people
The distance between sensor will be in 10cm or so.And the reasons why choosing 30cm be accomplish quantitative analysis passenger and sensor away from
From providing more reliable data for algorithm and support, while the also influence with 10cm comparative illustration distance to light intensity is closed as mapping
The foundation of system.
As shown in figure 4, ambient light intensity, in 2400-2500, personnel are repeatedly in the feelings of range sensor 10cm and 30cm
When passing through passageway under condition, sensor light intensity minimum Distribution value collected.
The present embodiment, in 2400-2500, can clearly be found, when personnel's Distance-sensing with ambient light intensity by Fig. 4
When the case where device 10cm passes through passageway, the photosensitive minimum value of photosensitive sensor is nearly all distributed in 1600 or less.In the feelings of 30cm
Under condition, it can be found that the minimum value of photosensitive sensor is distributed in 1600 or more.Therefore the environment that light intensity is 2400-2500 by we
The case where occurring the light intensity value less than 1600 under light has been defined as a personnel and has passed through apart from photosensitive sensor 10cm.In environment light
Intensity is greater than under > 1000, and such mapping relations are more strong, has apparent discrimination.
In ambient light intensity in the strong section of 1000-2600, using 100 light intensity as section size, light intensity is as follows apart from mapping table:
| Environment light gear | Dis<10cm | 10cm<dis<30cm |
| 1000-1100 | <300 | <650 |
| 1100-1200 | <350 | <750 |
| 1200-1300 | <350 | <800 |
| 1300-1400 | <350 | <800 |
| 1400-1500 | <400 | <800 |
| 1500-1600 | <450 | <800 |
| 1600-1700 | <500 | <850 |
| 1700-1800 | <600 | <1100 |
| 1800-1900 | <800 | <1400 |
| 1900-2000 | <950 | <1500 |
| 2000-2100 | <1000 | <1700 |
| 2100-2200 | <1100 | <1900 |
| 2200-2300 | <1200 | <2000 |
| 2300-2400 | <1400 | <2100 |
| 2400-2500 | <1600 | <2200 |
| 2500-2600 | <1900 | <2300 |
Above to a kind of public transport vehicle-mounted volume of passenger traffic statistical system based on photosensitive wireless sense network provided by the present invention and system
Meter method is described in detail, and used herein a specific example illustrates the principle and implementation of the invention,
The above description of the embodiment is only used to help understand the method for the present invention and its core ideas；Meanwhile for the one of this field
As technical staff, according to the thought of the present invention, there will be changes in the specific implementation manner and application range, to sum up institute
It states, the contents of this specification are not to be construed as limiting the invention.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (4)
1. a kind of public transport vehicle-mounted volume of passenger traffic statistical system based on photosensitive wireless sense network characterized by comprising directional light sources,
Photosensitive sensor, communication module, wireless wide area network, background server, command scheduling center and intelligent terminal, the orientation
Light source provides photosensitive light source for photosensitive sensor, and the photosensitive sensor acquires the intensity of illumination data at car door up and down, described
Intensity of illumination data are sent to background server by wireless wide area network by communication module, and the background server receives and stores
Data, background server execute counted by number detection algorithm certain once pull in during close door get on the bus number and
It gets off number, final result is distributed to command scheduling center and intelligent terminal；
The photosensitive sensor is separately positioned on entrance door and exit door position, and the photosensitive sensor is CrossBow company
Telosb wireless sensor；
The photosensitive sensor is 1 in the quantity that entrance door is arranged, and is 3 in the quantity of exit door setting；
It is described to be included the following steps: by number detection algorithm
S1: pass through number detection algorithm when passenger loading: photosensitive sensor A and directional light sources B being set in entrance door, when on passenger
Che Shi can block the light of directional light sources B, the light intensity value L that photosensitive sensor A is experiencedAIt can be greatly reduced, and be less than preset
Threshold value, after passenger enters compartment, directional light sources B is irradiated to again on photosensitive sensor A, light intensity value LAIncrease to threshold value it
On, the personnel that get on the bus add 1 automatically, and calculation formula is: Nu=Nu+1；
S2: included the following steps: when passenger getting off car by number detection algorithm
S21: three photosensitive sensors A, B, C and directional light sources D is arranged in exit door, and photosensitive sensor A, B are in exit door two sides pair
Position is answered, effect is to perceive the light intensity of surrounding natural environment, and photosensitive sensor A, B are not influenced by directional light sources D, photosensitive sensor
C and directional light sources D has installed shade additional in exit door two sides corresponding position, photosensitive sensor C, single can perceive to make by oneself
To the light of light source D；
S22: in the case where nobody, photosensitive sensor A, B collected " natural environment light " are denoted as: LNA、LNB, under passenger
During vehicle, passenger first passes around photosensitive sensor A, B, the feature light intensity data perceived at this time is denoted as: LA、LB；
S23: photosensitive sensor C judges whether that someone passes through, since the sample frequency of photosensitive sensor A, B, C are consistent, energy
It is enough to find L from the wave trough position of photosensitive sensor CA、LBThe position of characteristic value is simultaneously judged；
S24: it is equal to L in environment lightNAIn the case where, LACharacteristic value can be obtained at this time by light intensity apart from mapping relations principle
By personnel with a distance from A, LBCharacteristic value can obtain the personnel passed through at this time from B by light intensity apart from mapping relations principle
Distance；
S25: according to the distance value at synchronization A and at B, distance threshold is set, is set if be equal at A with the distance value at B
Then plus a people people is then not added if it is greater than threshold value in the threshold value set, if last synchronization total number of persons is 0 plus a people.
2. the public transport vehicle-mounted volume of passenger traffic statistical system according to claim 1 based on photosensitive wireless sense network, it is characterised in that:
The directional light sources are 1 in the quantity that entrance door and exit door are respectively arranged.
3. the public transport vehicle-mounted volume of passenger traffic statistical system according to claim 1 based on photosensitive wireless sense network, it is characterised in that:
The communication module includes the sink node for being responsible for receiving data, and the sink node is arranged in exit door position, quantity 1
It is a.
4. the public transport vehicle-mounted volume of passenger traffic statistical system according to claim 1 based on photosensitive wireless sense network, it is characterised in that:
The wireless wide area network uses 3G and/or 4G and/or EDGE communication.
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| CN106448133A (en) * | 2016-08-30 | 2017-02-22 | 中原智慧城市设计研究院有限公司 | Cloud public transport analyzing and scheduling system based on passenger flow statistics |
| CN106650907A (en) * | 2016-09-29 | 2017-05-10 | 温州大学 | Device and method used for detecting bus passenger capacity, and bus |
| CN107809627B (en) * | 2017-09-21 | 2019-08-16 | 上海菜猫健康管理有限公司 | The operating position fixing system and method and medium of intelligent digitalized training court |
| CN109606392A (en) * | 2019-01-17 | 2019-04-12 | 张少亮 | A kind of public transportation system |
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