CN102280013A - WSN-based marine environment remote monitoring and early warning system and method - Google Patents
WSN-based marine environment remote monitoring and early warning system and method Download PDFInfo
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- CN102280013A CN102280013A CN 201110192253 CN201110192253A CN102280013A CN 102280013 A CN102280013 A CN 102280013A CN 201110192253 CN201110192253 CN 201110192253 CN 201110192253 A CN201110192253 A CN 201110192253A CN 102280013 A CN102280013 A CN 102280013A
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Abstract
The invention discloses a WSN(Wireless Sensor Network)-based marine environment remote monitoring and early warning system and method,wherein, the system comprises a WSN, a wireless gateway, a network control system and a marine environment monitoring center, wherein the WSN comprises a wireless sensor node and a sink node at a point to be monitored, the wireless sensor node accesses to the wireless gateway via the sink node, the wireless gateway is connected with the network control system, and the network control system is connected to the marine environment monitoring center through the Internet. Correspondingly, the invention further discloses a WSN-based marine environment monitoring method. The method and the system disclosed by the invention can be used for real-time monitoring and early warning of the marine environment, and can take timely response measures corresponding to variation of the marine environment.
Description
Technical field
The present invention relates to marine environmental monitoring and wireless communication field, particularly a kind of marine environment remote monitoring early warning system and method based on wireless sensor network.
Background technology
In the today of being becoming tight global land resources day and environment constantly worsens, countries in the world turn to the ocean with sight one after another, and exploitation ocean resources, development marine economy are thought coastal state's key pillars of the national economy, also are the forward positions of the strategy of sustainable development.The rational exploitation and utilization of ocean must be based upon on the abundant marine information basis.Effectively exploitation ocean resources, development marine economy and protect the marine environment must understanding and grasp the characteristics and the Changing Pattern of marine environment, and marine environmental monitoring is human knowledge ocean, the basic means of grasping marine environment condition and Changing Pattern thereof.Say that in a sense the ability of marine environmental monitoring directly affects the degree and the effect of marine resources development and marine environmental protection.
When ocean development brings great economic benefit, also bring a series of resources and ecological environment problem.Inshore fishing resource excessive amount of fishing at present makes living marine resources be subjected to serious destruction.Marine environmental pollution is on the rise, and ecologic environment is also abominable day by day.Pollution from land-based sources is the topmost pollution source of marine environmental pollution, and Petroleum Production is the severe contamination marine environment also.Also have ever-increasing organic substance, nutritive salt and a large amount of radiomaterials to enter the ocean in addition, industrial thermal pollution and other solid matters are also being strengthened the pollution of ocean.China's marine pollution is mainly derived from the Lu Yuan blowdown, enter the sewage in Chinese marine site and various noxious materials 80% from land.The red tide that only took place in the minority marine site seventies in the past, occurrence frequency increases year by year in recent years, and area strengthens, and the duration increases, and infringement is serious.And slowly the disaster of property as: disasters such as EI Nino, coast erosion, eustasy also occur again and again, so the research and development of ocean monitoring technologytechnologies seems particularly important.
The subject matter that the marine environmental monitoring of China exists at present: the one, lack a kind of enough careful supervisory system that covers.The 2nd, the intellectuality of supervisory system and networked degree are not high.Sensor in the marine environment supervisory system all is to link to each other with control desk in wired mode at present, the quantity of sensor and position all are changeless, the environmental parameter that obtains the part, ocean is impossible, and the field wiring difficulty of wired mode and cost is higher and the false alarm rate of the aging back of signal wire system, failure rate all than higher.
Summary of the invention
At above-mentioned prior art, the present invention has overcome the problem that marine environmental monitoring system in the past exists: the one, realize the perception of any local environment in ocean is covered by wireless sensor node.The 2nd, the computing power of sensor node itself and wireless communication ability have been realized the intelligent and networked of marine environment supervisory system, the real-time that wireless sensor network is linked to each other with embedded type web and improved the spread scope of ocean environment parameter and improved information simultaneously.
For achieving the above object, the technical scheme that the present invention takes is: a kind of marine environment remote monitoring early warning system based on wireless sensor network, it is characterized in that, comprise wireless sensor network, radio network gateway, network control system and marine environmental monitoring center, wireless sensor network inserts radio network gateway, radio network gateway is connected with network control system, and network control system connects the marine environmental monitoring center by internet.
Preferably, described wireless sensor network comprises a plurality of wireless sensor nodes that are positioned at tested point and the aggregation node of corresponding setting with wireless sensor node, and described wireless sensor node inserts radio network gateway by aggregation node.
Preferably, the embedded system that is based on ARM of described network control system employing.
Preferably, described wireless sensor node is formed by collection plate C51RF-WSN-DA100 with based on the CC2430 wireless high-frequency chip of ZigBee technology.
Monitoring method based on the marine environment remote monitoring early warning system of wireless sensor network comprises the steps:
1) by wireless sensor node the environmental parameter at tested point place in the ocean is monitored in real time:
2) by wireless sensor node the environmental parameter that collects is sent to aggregation node, aggregation node is given radio network gateway with the data jump set again;
3) network control system that is connected with radio network gateway reads the data that radio network gateway receives, and will collect
Data storage in the database of network control system;
4) network control system refreshes the environmental parameter that enters database at set intervals; The environmental monitoring personnel are by the IP address in browser window fan-in network control system; Enter the marine environmental monitoring system interface, by calling the data in the database; Marine environment is monitored in real time.
Preferably, aggregation node sends radio network gateway to environmental parameter to again through after the data fusion in the step 3.
Preferably, network control system constantly scans the environmental parameter that enters database in nearest one section refresh time in the step 4, environmental parameter and predefined all kinds of parameter threshold value are compared, if surpass threshold value then be judged to be unusually, network control system sends alerting signal by the hummer at internet Long-distance Control marine environmental monitoring center.
Preferably, described environmental parameter comprises temperature, salinity, oxygen level, pH value.
Preferably, described refresh time is one minute.
In sum, the marine environmental monitoring system based on wireless sensor network of the present invention can be used to finish the real-time comprehensive monitoring to marine environment, and the monitoring method that it adopted can be made counter-measure timely to the variation of marine environment.
Beneficial effect of the present invention:
1, system adopts the architecture that wireless senser and network remote monitoring combine, and realizes networked remote online monitoring;
2, adopted communication to make up the real-time monitoring and the intelligent early-warning system of marine environment, it is big and can't guarantee the shortcoming of data in real time validity to have overcome manual type work on the spot amount preferably;
3, solved connect up at the scene difficulty and cost is higher and the false alarm rate of the aging back of signal wire system, shortcoming that failure rate constantly rises of wired mode effectively.
Description of drawings
Fig. 1 is the structural representation of monitoring system described in the present invention;
Fig. 2 is an aggregation node functional flow diagram among the present invention;
Fig. 3 is the structural drawing that sensor node data merges among the present invention;
Fig. 4 is a boa server flowchart among the present invention;
Fig. 5 is that network control system identification abnormal data of the present invention sends the alerting signal process flow diagram.
Specific embodiments
As shown in Figure 1, the marine environmental monitoring early warning system comprises following components among the present invention: comprise wireless sensor network 1, radio network gateway 2, network control system 3, marine environmental monitoring center 4.
Total system structure and function are as described below: wireless sensor node 111-143 gathers environmental information by the multiple sensors that self connects, and each node will send to aggregation node 11-14 after will gathering good local fusion of environmental information process.Aggregation node 11-14 again to should the zone in a period of time the environmental data gathered of all wireless sensor node 111-143 carry out overall fusion treatment, the data jump set after adopting the Routing Protocol of minimum hop count to merge then is to radio network gateway 2.Network control system 3 links to each other with radio network gateway 2 by a null modem cable, and reads the data that radio network gateway 2 receives.The environmental data of collecting will be stored in the database of network control system 3, and network control system 3 will refresh the environmental parameter that enters database at set intervals.The environmental monitoring personnel as http: // 192.168.58.16, will enter the marine environmental monitoring system interface by in the IP address of browser window fan-in network control system 3, by calling the data in the database, just can monitor in real time marine environment.The watchdog routine of network control system 3 can constantly scan the environmental data that enters database in nearest a minute simultaneously, if have data to surpass the threshold value that the keeper sets then be judged to be unusual, then network control system 3 sends alerting signal by the hummer 41 of internet Long-distance Control monitoring center 4, thereby realizes the function of early warning.
As shown in Figure 2, flow chart description aggregation node 11-14 and sensor node 111-143 form the method for network topology by different level.In order to save the sensor node energy, so aggregation node 11-14 task is by receiving the packet event-driven.Its step is as follows:
1, task enters waiting status, waits for the generation that receives the packet incident;
2, when receiving a wireless data packet, the EOP (end of program) waiting status enters executing state;
3, judge whether it is the packet that other aggregation nodes 11-14 sends, if the packet that other aggregation nodes 11-14 sends execution in step 4 so, otherwise enter step 8;
4, the hop count field in the extraction packet;
5, aggregation node 11-14 checks whether own jumping figure apart from radio network gateway 2 still is empty, if be sky execution in step 6 so, otherwise enters step 7;
6, the hop count field in the packet that extracts is added 1 jumping figure that becomes oneself, enter step 10;
7, the hop count field in the packet that extracts is added whether see after 1,, otherwise enter step 10 if less than entering step 6 so less than own jumping figure apart from radio network gateway 2;
8, judge whether it is the packet that same area sensor node 111-143 sends,, otherwise enter step 10 if enter step 9;
9, each sensor node 111-143 data is carried out fusion treatment, enter step 10;
10, get back to the waiting status of task.
As shown in Figure 3, structural drawing has been described the data fusion between the sensor node.
The distribution Kalman filtering information fusion method that the present invention's utilization has feedback carries out data fusion to sensor.At first each sensor node 111-143 is carried out local Kalman filtering information fusion, partial estimation result that then will be separately is sent to aggregation node 11-14 and carries out overall situation fusion.And, make the interlayer sensor have two-way connection owing to increased feedback element, and not only low layer merges information to the high level transmission, and high layer information also participates in low-level nodes and handles, and has had a kind of wired contact of interlayer between each sensor node.Through can making fusion accuracy be higher than the single-sensor precision after the fusion treatment, and the transmission quantity of data reduces greatly, thereby reduced the transmission of Information amount, alleviates network conflict and congested.
As shown in Figure 4, process flow diagram has described to be undertaken by internet the implementation of the boa server of remote monitoring, and its step is as follows
1, starts the WEB server, prepare for follow-up;
2, initialization definitions;
3, establishment, setting, bound socket;
4, listening port sees if there is request, then enters step 5 if having, otherwise continues listening port;
5, accept request, and resolve this request;
6, check whether the CGI request is arranged,, otherwise enter step 8 if enter step 7;
7, URL is carried out data decode and carries out this cgi script;
8, read static page and give the WEB browser;
9, according to execution result the parameter of marine environment is read from database, and export to the WEB server;
10, finish
As shown in Figure 5, flow chart description the method for the concurrent alert signals of delivering newspaper of network control system 3 identification abnormal datas comprise the steps:
1, the timer of network control system 3 initialization inside;
2, check whether timing to a minute of timer,, otherwise enter step 5 if to entering step 3 in one minute;
3, check nearly one minute data of storing in the network control system database, whether have data to surpass threshold values, enter step 4, otherwise enter data 5 if there are data to surpass threshold values;
4, network control system 3 sends alerting signal by hummer 41 work at internet Long-distance Control environmental monitoring center 4;
5, timer reclocking.
Claims (9)
1. marine environment remote monitoring early warning system based on wireless sensor network, it is characterized in that, comprise wireless sensor network (1), radio network gateway (2), network control system (3) and marine environmental monitoring center (4), wireless sensor network (1) inserts radio network gateway (2), radio network gateway (2) is connected with network control system (3), and network control system (3) connects marine environmental monitoring center (4) by internet.
2. the marine environment remote monitoring early warning system based on wireless sensor network according to claim 1, it is characterized in that described wireless sensor network (1) comprises a plurality of wireless sensor nodes that are positioned at tested point and the aggregation node of corresponding setting with wireless sensor node, described wireless sensor node inserts radio network gateway (2) by aggregation node.
3. according to the described marine environment remote monitoring early warning system of claim 1, it is characterized in that the embedded system that is based on ARM that described network control system (3) adopts based on wireless sensor network.
4. according to the described marine environment remote monitoring early warning system of claim 1, it is characterized in that described wireless sensor node is formed by collection plate C51RF-WSN-DA100 with based on the CC2430 wireless high-frequency chip of ZigBee technology based on wireless sensor network.
5. the monitoring method of the marine environment remote monitoring early warning system based on wireless sensor network as claimed in claim 1 is characterized in that, comprises the steps:
1) by wireless sensor node the environmental parameter at tested point place in the ocean is monitored in real time;
2) by wireless sensor node the environmental parameter that collects is sent to aggregation node, aggregation node is given radio network gateway (2) with the data jump set again;
3) network control system (3) that is connected with radio network gateway (2) reads the data that radio network gateway (2) receives, and with the data storage collected in the database of network control system (3);
4) network control system (3) refreshes the environmental parameter that enters database at set intervals; The environmental monitoring personnel are by the IP address in browser window fan-in network control system; Enter the marine environmental monitoring system interface, by calling the data in the database; Marine environment is monitored in real time.
6. according to the monitoring method of the described marine environment remote monitoring early warning system based on wireless sensor network of claim 5, it is characterized in that aggregation node sends radio network gateway (2) to environmental parameter to again through after the data fusion in the step 3.
7. according to the monitoring method of the described marine environment remote monitoring early warning system based on wireless sensor network of claim 5, it is characterized in that, network control system in the step 4 (3) constantly scans the environmental parameter that enters database in nearest one section refresh time, environmental parameter and predefined all kinds of parameter threshold value are compared, if surpass threshold value then be judged to be unusually, network control system (3) sends alerting signal by the hummer (41) at internet Long-distance Control marine environmental monitoring center.
8. according to the monitoring method of the described marine environment remote monitoring early warning system based on wireless sensor network of claim 5, it is characterized in that described environmental parameter comprises temperature, salinity, oxygen level, pH value.
9. according to the monitoring method of the described marine environment remote monitoring early warning system based on wireless sensor network of claim 5, it is characterized in that described refresh time is one minute.
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| CN102721440A (en) * | 2012-06-26 | 2012-10-10 | 中国地质调查局水文地质环境地质调查中心 | Online marine distributed temperature, salinity and depth flow dynamic real-time monitoring system |
| CN102830402A (en) * | 2012-09-10 | 2012-12-19 | 江苏科技大学 | Target tracking system and method for underwater sensor network |
| CN102928019A (en) * | 2012-11-01 | 2013-02-13 | 江苏科技大学 | System and method for monitoring environment based on wireless sensor and geographic information |
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| CN104281913A (en) * | 2014-09-16 | 2015-01-14 | 国家海洋信息中心 | Marine environmental monitoring task evaluation implementation method and system |
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| CN109121110A (en) * | 2018-09-04 | 2019-01-01 | 佛山豆萁科技有限公司 | Marine environment intelligence sensing system |
| CN109255939A (en) * | 2018-09-13 | 2019-01-22 | 泉州市华祥工业设计有限公司 | Water pollution intelligent radio monitoring method and system |
| CN109714792A (en) * | 2019-01-22 | 2019-05-03 | 苏州华盖信息科技有限公司 | A kind of method of data capture, apparatus and system |
| CN109714792B (en) * | 2019-01-22 | 2020-09-22 | 河钢数字技术股份有限公司 | Data collection method, device and system |
| CN109959770A (en) * | 2019-02-19 | 2019-07-02 | 西安电子科技大学 | A kind of marine environment automatic monitoring system and method based on virtual instrument technology |
| CN111131226A (en) * | 2019-12-20 | 2020-05-08 | 中国船舶工业系统工程研究院 | Wide-area marine internet of things communication management and control system |
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Application publication date: 20111214 |