CN102542800A - System for acquiring road traffic flow information and traffic noise data synchronously - Google Patents

System for acquiring road traffic flow information and traffic noise data synchronously Download PDF

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Publication number
CN102542800A
CN102542800A CN2011104326514A CN201110432651A CN102542800A CN 102542800 A CN102542800 A CN 102542800A CN 2011104326514 A CN2011104326514 A CN 2011104326514A CN 201110432651 A CN201110432651 A CN 201110432651A CN 102542800 A CN102542800 A CN 102542800A
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traffic
noise
data
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CN102542800B (en
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蔡铭
马侠霖
罗东华
李熙莹
余志�
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GUANGDONG FUNDWAY TECHNOLOGY Co Ltd
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Sun Yat Sen University
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Abstract

The system for acquiring road traffic flow information and traffic noise data synchronously, which is characterized by comprising a front-end monitoring subsystem, a data storage center server and a background monitoring terminal. The front-end monitoring subsystem comprises a traffic flow information acquiring subunit, a noise data acquiring subunit and a processing subunit; the data storage center server is used for storing the traffic flow information and the traffic noise data of the front-end monitoring subsystem synchronously, replying the data request from the background monitoring terminal and forwarding the control request of the background monitoring terminal; the background monitoring terminal is used for displaying traffic flow information and the traffic noise data monitoring by the front-end monitoring subsystem, remotely controlling the front-end monitoring subsystem and inquiring and counting the acquired data. The system has the characteristics of simple structure, easy implementation and high automation degree, can realize the real-time acquisition, storage, transmission and monitoring of the road traffic flow information and traffic noise data and provides a basis vehicle noise model to simulate and calculating the traffic noise.

Description

A kind of road traffic stream information and traffic noise synchronous data sampling system
Technical field
The present invention relates to the traffic monitoring field, particularly relate to a kind of acquisition of road traffic information system.
Background technology
Along with Chinese economic development, problem of environmental pollution is also serious day by day, and noise pollution and water pollute, atmospheric pollution is regarded as three main Environmental Problems in the world wide.Noise pollution has become a harm greatly that influences people's daily life.According in the anti-therapy of People's Republic of China's pollution from environmental noise to the sorting technique of noise; The main source of noise pollution comprises traffic noise, man-made noise, building noise and noise of social activities; And according to State Statistics Bureau's statistics in 2009, the acoustic energy ratio that the traffic noise of the main big and medium-sized cities of China, man-made noise, building noise and noise of social activities account for all noises is respectively: 38.6%, 19.6%, 25.7% and 16.1%.Therefore, traffic noise is the most important source of urban environment noise, is the mission critical that improves urban environment noise to the control of traffic noise.
Yet there is following problem in existing traffic noise monitoring technology: the one, and manual monitoring is generally adopted in the traffic noise collection, in labor intensive, also can not get day and night 24 hours continuous real-time noise values.The noise automatic monitoring system can address this problem preferably; Like application number is that the national patent of 200420018451.X has proposed a kind of neighbourhood noise online auto monitoring system, and it has overcome the conventional artificial sampling observation and has been difficult to the defective that the real-time characteristics to noise detect.Yet in practical application, the traffic noise management is not only hoped to obtain the real-time noise value with control department, more hopes can obtain producing the corresponding telecommunication flow information of noise, with the foundation that provides traffic noise to administer.The 2nd, when traffic noise monitoring being applied to vehicle noise discharging model; Conventional artificial experimental technique time-consuming of institute when acquisition noise is huge with manpower; And when vehicle parameters such as collection vehicle, the speed of a motor vehicle, also lacking means efficiently, this makes the foundation of vehicle noise discharging model very difficult.
On the other hand, the collection of telecommunication flow information has extensively got in the urban road network, is exactly one of them importance based on the information acquiring technology of Digital Image Processing.Utilize digital image processing techniques, we not only can accomplish to monitor in real time traffic video image, can also from video image, obtain telecommunication flow information automatically.Along with the continuous development of digital image processing techniques and the maturation day by day of technology such as Network Transmission, Long-distance Control; These technology are applied to noise monitoring; Can greatly promote the robotization of noise monitoring, synchronization gain produces corresponding real-time traffic states of traffic noise and concrete parameter.In addition, a large amount of accumulation of telecommunication flow information and traffic noise synchrodata can be used for different automobile types vehicle the confirming of noise emission amount under friction speed, and the basis discharging model of vehicle noise is provided for the analog computation road traffic noise.
Summary of the invention
The technical matters that the present invention solves provides a kind of realization simple in structure, easy, road traffic stream information and traffic noise synchronous data sampling system that automaticity is high, real-time collection, storage, transmission and the monitoring of realization road traffic flow and traffic noise data.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of road traffic stream information and traffic noise synchronous data sampling system are provided, it is characterized in that, comprising:
The front end monitoring subsystem; Comprise that telecommunication flow information is gathered subelement, noise data is gathered subelement and handled subelement; Said telecommunication flow information is gathered subelement, noise data is gathered subelement and gathered telecommunication flow information and traffic noise data respectively in real time; Said processor subelement receives the telecommunication flow information and the traffic noise data of gathering; Transfer to the data storage center server, and the receiving remote control command, telecommunication flow information collection subelement, noise data are gathered subelement and controlled;
The data storage center server, the telecommunication flow information and the traffic noise data of the transmission of stores synchronized front end monitoring subsystem, and respond request of data from the background monitoring terminal and the control request of transmitting the background monitoring terminal;
The background monitoring terminal shows telecommunication flow information and noise data that the front end monitoring subsystem monitors in real time, and the front end monitoring subsystem is carried out Long-distance Control, and the data of gathering are carried out query statistic.
Further, said front end monitoring subsystem has a plurality of.
Further; Said telecommunication flow information is gathered subelement and is gathered traffic video image in real time; And image is transferred to the processing subelement; Handle subelement and from image, obtain type of vehicle, wagon flow speed and information of vehicle flowrate, handle subelement store video images and type of vehicle, wagon flow speed and information of vehicle flowrate.
Further, said noise data is gathered subelement and is gathered traffic noise in real time, and noise data is transferred to the processing subelement, handles noise maximal value, minimum value in subelement storage noise sound and the timing statistics.
Further; Telecommunication flow information and traffic noise data that said processing subelement is gathered the same time are sent to the data storage center server with certain frequency; Wherein the traffic flow video view data can be got the frame transmission according to network transfer speeds and level of data compression, is advisable to be not less than for 1 frame/second.
Further; Said processing subelement is got frame with certain frequency to the traffic flow video image, as the traffic video image present frame, simultaneously; With same frequency the traffic noise data value is mapped to the traffic video image present frame, as the synchronization frame of traffic video image present frame.
Further, it is camera that said telecommunication flow information is gathered subelement, and it is noise level indicator that said noise data is gathered subelement, and said processing subelement is an industrial computer.
Further, the control request at said data storage center server forwards background monitoring terminal comprises the front end monitoring subsystem is started shooting, restarted and shuts down.
Further, said background monitoring terminal is monitored each monitoring point traffic flow to data storage center server requests real-time traffic stream information and traffic noise data with the mode of video image being got frame in real time.
Further, the network communication between said front end monitoring subsystem, data storage center server and the background monitoring terminal adopts the WebService technology to realize.
Compared with prior art, beneficial effect is: system architecture of the present invention is simple, realizes easily; The noise that the present invention is directed to road traffic flow and generation thereof is built the system of a cover collection real time data acquisition, storage, transmission and monitoring, has realized the automatic synchronization monitoring to traffic flow and traffic noise; A large amount of accumulation of telecommunication flow information and traffic noise synchrodata can be used for different automobile types vehicle the confirming of noise emission amount under friction speed, and the basic model of vehicle noise is provided for the analog computation road traffic noise.
Description of drawings
Fig. 1 is the system architecture synoptic diagram of the embodiment of the invention.
Embodiment
For better explanation content of the present invention, the spy takes the explanation of practical implementation example.
Shown in Figure 1ly be the system construction drawing of preferred embodiment of the present invention, comprise front end monitoring subsystem 100, be used for gathering in real time road traffic stream information and traffic noise data; Data storage center server 200; Connecting structure as each front end monitoring subsystem and background monitoring terminal; The data that are used for the transmission of stores synchronized front end monitoring subsystem, and respond the request of data at background monitoring terminal and transmit the control request of background monitoring terminal to the front end monitoring subsystem; Background monitoring terminal 300 can be adopted each front end monitoring point traffic flow situation of video mode real time monitoring, and can be carried out Long-distance Control to the front end monitoring subsystem, and the data of gathering are carried out query statistic, the historical data of preserving in the also addressable data storage center.
Front end monitoring subsystem 100 is gathered subelement camera 101 through telecommunication flow information and is obtained the real-time traffic video image, and passes back and handle subelement industrial computer 103; Gather subelement acoustic meter 102 through noise data and gather the real-time traffic noise data, and pass back and handle subelement industrial computer 103.
Industrial computer 103 is equipped with video capture card; The traffic image data of using video image acquisition programmed acquisition camera 101 to pass back; Through using methods such as frame difference method, feature extraction, feature identification; Extract real-time road traffic stream information, like vehicle, the speed of a motor vehicle etc. with by information such as the road traffic flow of these information generating and road traffic current densitys.Simultaneously industrial computer 103 is got frame with the frequency of 1 frame/second to traffic image, with as road traffic video image present frame.
Industrial computer 103 obtains the data that acoustic meter 102 is passed back, and according to the data representation agreement of acoustic meter 102, calculates real-time road traffic noise data and information such as minimax noise data in a period of time of information generating thus.What use in this instance is the acoustic meter of model as Center322; According to the communication protocol between this acoustic meter and the industrial computer; Industrial computer sends specific request of data data segment via serial line interface to this acoustic meter, and acoustic meter returns real-time noise data after receiving the request msg section of industrial computer, wherein comprises information such as current noise figure, noise maximin; Industrial computer calculates relevant road traffic noise data according to the data representation agreement of acoustic meter then.Simultaneously, industrial computer is mapped to aforesaid road traffic video image present frame with the frequency of 1 frame/second with current road traffic noise data value, as the synchronization frame of the road traffic video image present frame of system.Real-time Road telecommunication flow information, traffic noise data and synchronization frame that industrial computer 103 will be handled gained are sent to data storage center 200.
Data storage center 200 receives Real-time Road telecommunication flow information and the traffic noise data that each front end monitoring subsystem is passed back, and is stored in tables of data different in the database by different objects and different time sections.For making a check mark with identical time point, to play synchronous road traffic noise data and the effect of road traffic state and concrete parameter accordingly with the data that constantly receive.In the present embodiment; According to telecommunication flow information, noise data, road traffic video image and the classification of NF synchronization frame and with " my god " be the time interval to set up the different pieces of information table; And as different pieces of information table name, like " NoiseYYYYMMDD ", " YYYY " expression of years wherein; " MM " representes month, and " DD " representes the date.Simultaneously, data storage center 200 receives the request of data at background monitoring terminal 300, and returns corresponding data.Data storage center 200 also is responsible for transmitting the control request of 300 pairs of front end monitoring points, background monitoring terminal.
The background monitoring terminal 300 of this system can obtain road traffic video image and the NF synchronization frame and the demonstration of each front end monitoring subsystem through data storage center with the frequency of 1 frame/second; Through in video image, showing corresponding traffic noise sound pressure level synchronously; Monitor the telecommunication flow information and the noise data situation of each monitoring point in real time; The historical data of preserving in the also addressable data storage center, and data are carried out statistical query.Each front end monitoring subsystem can also be controlled in the background monitoring terminal, realizes the Long-distance Control that the front end monitoring subsystem is comprised start, restarts, shuts down.
Network communication in this system between front end monitoring subsystem, data storage center server and the background monitoring terminal each several part like the request of the transmitting and storing of data, data and Long-distance Control etc., all realizes based on the WebService technology.

Claims (10)

1. road traffic stream information and traffic noise synchronous data sampling system is characterized in that, comprising:
The front end monitoring subsystem; Comprise that telecommunication flow information is gathered subelement, noise data is gathered subelement and handled subelement; Said telecommunication flow information is gathered subelement, noise data is gathered subelement and gathered telecommunication flow information and traffic noise data respectively in real time, and said processing subelement receives the telecommunication flow information and the traffic noise data of gathering, and transfers to the data storage center server; And the receiving remote control command, telecommunication flow information collection subelement, noise data are gathered subelement and controlled;
The data storage center server, the telecommunication flow information and the traffic noise data of the transmission of stores synchronized front end monitoring subsystem, and respond request of data from the background monitoring terminal and the control request of transmitting the background monitoring terminal;
The background monitoring terminal shows telecommunication flow information and noise data that the front end monitoring subsystem monitors in real time, and the front end monitoring subsystem is carried out Long-distance Control, and the data of gathering are carried out query statistic.
2. road traffic stream information according to claim 1 and traffic noise synchronous data sampling system is characterized in that said front end monitoring subsystem has a plurality of.
3. road traffic stream information according to claim 1 and traffic noise synchronous data sampling system; It is characterized in that; Said telecommunication flow information is gathered subelement and is gathered traffic video image in real time; And image is transferred to the processing subelement, and handle subelement and from image, obtain type of vehicle, wagon flow speed and information of vehicle flowrate, handle subelement store video images and type of vehicle, wagon flow speed and information of vehicle flowrate.
4. road traffic stream information according to claim 1 and traffic noise synchronous data sampling system; It is characterized in that; Said noise data is gathered subelement and is gathered traffic noise in real time; And noise data is transferred to the processing subelement, handle noise maximal value, minimum value in subelement storage noise sound and the timing statistics.
5. road traffic stream information according to claim 1 and traffic noise synchronous data sampling system; It is characterized in that; Telecommunication flow information and traffic noise data that said processing subelement is gathered the same time are sent to the data storage center server with certain frequency, and wherein the traffic flow video view data can be got the frame transmission according to network transfer speeds and level of data compression.
6. road traffic stream information according to claim 5 and traffic noise synchronous data sampling system; It is characterized in that; Said processing subelement is got frame with certain frequency to the traffic flow video image, as the traffic video image present frame, simultaneously; With same frequency the traffic noise data value is mapped to the traffic video image present frame, as the synchronization frame of traffic video image present frame.
7. according to each described road traffic stream information and traffic noise synchronous data sampling system among the claim 3-6; It is characterized in that; It is camera that said telecommunication flow information is gathered subelement, and it is noise level indicator that said noise data is gathered subelement, and said processing subelement is an industrial computer.
8. road traffic stream information according to claim 1 and traffic noise synchronous data sampling system; It is characterized in that; The control request at said data storage center server forwards background monitoring terminal comprises the front end monitoring subsystem is started shooting, restarted and shuts down.
9. road traffic stream information according to claim 1 and traffic noise synchronous data sampling system; It is characterized in that; Said background monitoring terminal is monitored each monitoring point traffic flow to data storage center server requests real-time traffic stream information and traffic noise data with the mode of video image being got frame in real time.
10. road traffic stream information according to claim 1 and traffic noise synchronous data sampling system; It is characterized in that the network communication between said front end monitoring subsystem, data storage center server and the background monitoring terminal adopts the WebService technology to realize.
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CN106503448A (en) * 2016-10-25 2017-03-15 中山大学 One kind freely flows road traffic noise probability forecasting method
CN106530705A (en) * 2016-11-30 2017-03-22 中山大学 Method for calculating traffic noise of bus station in consideration with bus running states
CN106571031A (en) * 2016-10-25 2017-04-19 广东技术师范学院 Traffic noise dynamic simulation method by combining cellular automaton traffic flow model
CN106570238A (en) * 2016-10-25 2017-04-19 广东技术师范学院 Signal control crossing traffic noise probability prediction method
CN107341957A (en) * 2017-08-17 2017-11-10 中山大学 A kind of comprehensive acquisition of road traffic information system
CN107478323A (en) * 2017-07-17 2017-12-15 芜湖泰领信息科技有限公司 A kind of city noise monitoring method and system based on public bicycles
CN107478321A (en) * 2017-09-22 2017-12-15 广州子喻汽车用品有限公司 Car noise detection means and car noise detecting system
CN108573602A (en) * 2018-04-27 2018-09-25 辽宁工业大学 A kind of traffic noise data collecting system and its control method
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CN109405962A (en) * 2018-11-21 2019-03-01 中山大学 A kind of road traffic noise frequency spectrum calculation method
CN111750979A (en) * 2020-07-06 2020-10-09 奥来国信(北京)检测技术有限责任公司 Multi-point noise detection method, device and system

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Publication number Priority date Publication date Assignee Title
CN102914361A (en) * 2012-10-11 2013-02-06 上海市环境监测技术装备有限公司 Noise monitoring and automatic discouraging device and method
CN106503448A (en) * 2016-10-25 2017-03-15 中山大学 One kind freely flows road traffic noise probability forecasting method
CN106571031A (en) * 2016-10-25 2017-04-19 广东技术师范学院 Traffic noise dynamic simulation method by combining cellular automaton traffic flow model
CN106570238A (en) * 2016-10-25 2017-04-19 广东技术师范学院 Signal control crossing traffic noise probability prediction method
CN106530705A (en) * 2016-11-30 2017-03-22 中山大学 Method for calculating traffic noise of bus station in consideration with bus running states
CN106530705B (en) * 2016-11-30 2020-03-27 中山大学 Bus station traffic noise calculation method considering bus running state
CN107478323A (en) * 2017-07-17 2017-12-15 芜湖泰领信息科技有限公司 A kind of city noise monitoring method and system based on public bicycles
CN107341957A (en) * 2017-08-17 2017-11-10 中山大学 A kind of comprehensive acquisition of road traffic information system
CN107478321A (en) * 2017-09-22 2017-12-15 广州子喻汽车用品有限公司 Car noise detection means and car noise detecting system
CN108573602A (en) * 2018-04-27 2018-09-25 辽宁工业大学 A kind of traffic noise data collecting system and its control method
CN108801449A (en) * 2018-07-09 2018-11-13 滨州职业学院 A kind of urban traffic noise inquiry system of wireless monitor
CN109405962A (en) * 2018-11-21 2019-03-01 中山大学 A kind of road traffic noise frequency spectrum calculation method
CN109405962B (en) * 2018-11-21 2020-10-09 中山大学 Road traffic noise frequency spectrum calculation method
CN111750979A (en) * 2020-07-06 2020-10-09 奥来国信(北京)检测技术有限责任公司 Multi-point noise detection method, device and system

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