CN108922124A - Ocean organic pollutant information acquisition system - Google Patents
Ocean organic pollutant information acquisition system Download PDFInfo
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- CN108922124A CN108922124A CN201810745733.6A CN201810745733A CN108922124A CN 108922124 A CN108922124 A CN 108922124A CN 201810745733 A CN201810745733 A CN 201810745733A CN 108922124 A CN108922124 A CN 108922124A
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- 239000002957 persistent organic pollutant Substances 0.000 title claims abstract description 72
- 238000004458 analytical method Methods 0.000 claims abstract description 17
- 230000002776 aggregation Effects 0.000 claims abstract description 13
- 238000004220 aggregation Methods 0.000 claims abstract description 13
- 241000854291 Dianthus carthusianorum Species 0.000 claims description 45
- 238000007405 data analysis Methods 0.000 claims description 10
- 230000002159 abnormal effect Effects 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 7
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- 239000003016 pheromone Substances 0.000 description 8
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- G—PHYSICS
- G01—MEASURING; TESTING
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- G01N33/1826—Organic contamination in water
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- 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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- H04W40/24—Connectivity information management, e.g. connectivity discovery or connectivity update
- H04W40/32—Connectivity information management, e.g. connectivity discovery or connectivity update for defining a routing cluster membership
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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Abstract
The present invention provides ocean organic pollutant information acquisition system, which includes data acquisition device and analysis and early warning device, and data acquisition device is used to acquire the organic pollutant concentration data of sea area to be monitored；Analysis and early warning device is used to analyze the seriously polluted degree of sea area to be monitored according to organic pollutant concentration data, and is issued warning signal according to seriously polluted degree；The data acquisition device includes multiple aggregation nodes for being deployed in the sea area edge to be monitored and multiple sensor nodes being deployed in the sea area to be monitored；Aggregation node and sensor node construct the wireless sensor network of sub-clustering type structure by Ad hoc mode.
Description
Technical field
The present invention relates to marine monitoring technology fields, and in particular to ocean organic pollutant information acquisition system.
Background technique
Traditional ocean organic pollutant concentration information acquisition is mainly using setting fixed point monitoring station, sample investigation, existing
The methods of field observation and measurement, not only labor intensive, material resources, financial resource but also efficiency are also very low for these information collecting methods
Under.
Summary of the invention
In view of the above-mentioned problems, the present invention provides ocean organic pollutant information acquisition system.
The purpose of the present invention is realized using following technical scheme：
Ocean organic pollutant information acquisition system is provided, which includes data acquisition device and analysis and early warning dress
It sets, data acquisition device is used to acquire the organic pollutant concentration data of sea area to be monitored；Analysis and early warning device is used for root
The seriously polluted degree of sea area to be monitored is analyzed according to organic pollutant concentration data, and is issued in advance according to seriously polluted degree
Alert signal；The data acquisition device includes aggregation node and multiple sensor nodes, and aggregation node and sensor node pass through
Ad hoc mode constructs the wireless sensor network of sub-clustering type structure, wherein according to low power consumption adaptive cluster layered protocol pair
Sensor node carries out sub-clustering and chooses cluster head；The organic pollutant that cluster head is mainly used for collecting the acquisition of cluster inner sensor node is dense
Degree Data Concurrent is sent to aggregation node；Aggregation node is mainly used for the organic pollutant concentration data that each cluster head is sent summarizing hair
It send to analysis and early warning device.
Preferably, the sensor node includes the sensing for monitoring the organic pollutant concentration of sea area to be monitored
Device and signal adapter for sensor signal to be converted to corresponding organic pollutant concentration data, the signal adapter
It is connect with sensor；It further include the controller for controlling frequency acquisition, the controller is connect with sensor.
Preferably, the analysis and early warning device includes data analysis module and warning module, and the data analysis module is used
In analyzing the seriously polluted degree of sea area to be monitored according to organic pollutant concentration data, and export seriously polluted degree point
Analyse result；Seriously polluted degree of the warning module in sea area to be monitored issues early warning letter when being more than the threshold value of setting
Number.
Preferably, the data analysis module includes threshold preset unit and judging unit；Threshold preset unit is for pre-
If the secure threshold of each organic pollutant concentration；Judging unit is used for organic pollutant concentration data and corresponding secure threshold
It is compared, when organic pollutant concentration data exceeds corresponding secure threshold, judges that the organic pollutant concentration data is different
Often, and according to abnormal organic pollutant concentration data quantity the seriously polluted degree of sea area to be monitored is determined.
Beneficial effects of the present invention are：The present invention is based on wireless sensor network technology, realize to ocean province to be monitored
The automatic collection and on-line early warning of domain organic pollutant concentration information, save manpower and material resources.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings, but the embodiment in attached drawing is not constituted to any limit of the invention
System, for those of ordinary skill in the art, without creative efforts, can also obtain according to the following drawings
Other attached drawings.
Fig. 1 is the structural representation frame of the ocean organic pollutant information acquisition system of an illustrative embodiment of the invention
Figure；
Fig. 2 is the structural schematic block diagram of the analysis and early warning device of an illustrative embodiment of the invention.
Appended drawing reference：
Data acquisition device 1, analysis and early warning device 2, data analysis module 10, warning module 20.
Specific embodiment
The invention will be further described with the following Examples.
Referring to Fig. 1, the embodiment of the invention provides ocean organic pollutant information acquisition system, which includes that data are adopted
Acquisition means 1 and analysis and early warning device 2, data acquisition device 1 are used to acquire the organic pollutant concentration numbers of sea area to be monitored
According to；Analysis and early warning device 2 is used to analyze the seriously polluted degree of sea area to be monitored according to organic pollutant concentration data, and
It is issued warning signal according to seriously polluted degree；The data acquisition device includes aggregation node and multiple sensor nodes, is converged
Poly- node and sensor node construct the wireless sensor network of sub-clustering type structure by Ad hoc mode, wherein according to low-power consumption
Adaptive cluster layered protocol carries out sub-clustering to sensor node and chooses cluster head；Cluster head is mainly used for collecting cluster inner sensor
The organic pollutant concentration data of node acquisition is simultaneously sent to aggregation node；Aggregation node is mainly used for having what each cluster head was sent
Machine pollutant concentration data summarization is sent to analysis and early warning device 2.
In one embodiment, the sensor node includes dense for monitoring the organic pollutant of sea area to be monitored
The sensor of degree and signal adapter for sensor signal to be converted to corresponding organic pollutant concentration data, the letter
Number adapter is connect with sensor；It further include the controller for controlling frequency acquisition, the controller is connect with sensor.
In one embodiment, as shown in Fig. 2, the analysis and early warning device 2 includes data analysis module 10 and early warning mould
Block 20, the data analysis module 10 are used to analyze the seriously polluted of sea area to be monitored according to organic pollutant concentration data
Degree, and export seriously polluted degree analyzing result；Seriously polluted degree of the warning module 20 in sea area to be monitored
More than setting threshold value when issue warning signal.
Wherein, the data analysis module 10 includes threshold preset unit and judging unit；Threshold preset unit is for pre-
If the secure threshold of each organic pollutant concentration；Judging unit is used for organic pollutant concentration data and corresponding secure threshold
It is compared, when organic pollutant concentration data exceeds corresponding secure threshold, judges that the organic pollutant concentration data is different
Often, and according to abnormal organic pollutant concentration data quantity the seriously polluted degree of sea area to be monitored is determined.In one kind
In embodiment, the first, second, third amount threshold can be set, abnormal organic pollutant concentration data quantity is more than the
One amount threshold but when being less than the second amount threshold, is arranged seriously polluted degree as the pollution of low degree；Abnormal organic dirt
When dye object concentration data quantity is more than the second amount threshold but is less than third amount threshold, it is medium that seriously polluted degree, which is arranged,
Degree pollution etc..It in one embodiment, can be according to different types of abnormal organic pollutant concentration data quantity
To determine the seriously polluted degree of sea area to be monitored.For example, working as a plurality of types of abnormal organic pollutant concentration quantity
Above some setting threshold value when, determine seriously polluted degree for serious pollution etc..The present embodiment is not construed as limiting this.
The above embodiment of the present invention is based on wireless sensor network technology, realizes to sea area organic contamination to be monitored
The automatic real-time acquisition of object concentration information and on-line early warning, save manpower and material resources.
In one embodiment, the stage is constructed in link, according to the position of sensor node and current remaining in cluster
It selects 2 sensor nodes as the relay node of cluster where the cluster head in the communication range of head, and determines that sensor node arrives
The optimal path of each relay node in the cluster of place；In data transmission phase, sensor node selects one of relay node
As receiving the destination node of organic pollutant concentration data for needing to send, so along it is corresponding with destination node most
Shortest path will need the organic pollutant concentration data sent to send；Relay node receives having for each sensor node transmission
Machine pollutant concentration data, the organic pollutant concentration data that received organic pollutant concentration data is acquired with itself is together
It is sent to cluster head.
Wherein, 2 sensings are selected in the communication range of cluster head according to the position of sensor node and current remaining
Relay node of the device node as cluster where the cluster head, including：
(1) to any cluster head ci, define cluster head ciAll the sensors node is cluster head c in communication rangeiNeighbours section
Point obtains cluster head ciEach neighbor node location information and current remaining information；
(2) according to the location information of neighbor node and current remaining information, the first weight of each neighbor node is calculated：
In formula, Wj 1Indicate cluster head ciJ-th of neighbor node the first weight, d (ci, j) and indicate cluster head ciWith its j-th
The distance between neighbor node, d (ci, k) and indicate cluster head ciThe distance between its k-th of neighbor node,Indicate cluster head ci
Neighbor node quantity；ejFor the current remaining of j-th of neighbor node, eminFor the minimum energy value of setting；
(3) the maximum neighbor node of the first weight is chosen as cluster head ciThe first relay node, calculate except first relaying
Second weight of remaining neighbor node outside node：
In formula, Wρ 2Indicate the second weight of the ρ neighbor node in addition to the first relay node, Wρ 1It indicates to remove in first
After the first weight of the ρ neighbor node outside node；ci 1Indicate the cluster head c choseniThe first relay node, d (ci 1, ρ) be
The ρ neighbor node and the first relay node ci 1Distance,For remaining neighbour section in addition to the first relay node
Point and ci 1Sum of the distance；
(4) the maximum neighbor node of the second weight is chosen as cluster head ciThe second relay node.
The present embodiment selects 2 biographies according to the position and current remaining of sensor node in the communication range of cluster head
Relay node of the sensor node as cluster where the cluster head is responsible for converging the organic of cluster inner sensor node acquisition by relay node
Pollutant concentration data, relative to only in such a way that cluster head or single relay node converge organic pollutant concentration data,
The load that cluster head perhaps single relay node can effectively be shared avoids excessively disappearing for cluster head or single relay node energy
Consumption improves the stability of sub-clustering so that organic pollutant concentration data transmits energy consumption in efficient balance cluster；The present embodiment is further
It is proposed that the mode that relay node is chosen according to the first weight and the second weight, which enable to the relay node chosen to have
Preferably ability is responsible for data collection, and ensures that two relay nodes are apart from each other, to be conducive to balanced each sensor node
Organic pollutant concentration data is transmitted to the energy consumption of relay node, improves the reliability of organic pollutant concentration data transmission.
In one embodiment, sensor node each relay node into place cluster is determined based on ant colony optimization algorithm
Optimal path, including：
(1) defining and generating the sensor node of Front ant message is source node, and source node generates the forward direction of setting quantity
Ant message selects sensor node nearest in cluster to be forwarded, and starts timeout clock, and the Front ant message carries
The identification information and link overhead of active node, link overhead is 0 when initial；
(2) when Front ant message reaches sensor node i, sensor node i is forwarded with cluster and not from being located at
Cross in the neighbor node of Front ant message, select to probability a neighbor node as next-hop node, continue before forwarding to
Ant message：
In formula, PiβIndicate that sensor node i selects probability of the β neighbor node as next-hop node；miTo pass
The neighbor node of sensor node i is concentrated, and is located at sensor node i with cluster and without the neighbours of forwarded over Front ant message
Number of nodes；T (i, β) is the pheromone concentration of the link of sensor node i to the β neighbor node, and d (i, β) is to pass
Distance of the sensor node i to the β neighbor node, eβFor the current remaining of the β neighbor node, eminFor
The minimum energy value of the setting；γ indicates to concentrate in the neighbor node of sensor node i, is located at sensor node i same
The γ neighbor node of cluster and no forwarded over Front ant message, T (i, γ) are sensor node i adjacent to described the γ
The pheromone concentration of the link of node is occupied, d (i, γ) is distance of the sensor node i to the γ neighbor node, eγFor
The current remaining of the γ neighbor node；λ1、λ2For the weight coefficient of setting；
(3) if sensor node j is the next-hop node of selection, Front ant is added in the node identification information of itself
The address link list of message indicates that Front ant report has had accessed sensor node j, and updates Front ant according to the following formula
The link overhead that message carries：
St=St-1+ d (i, j) × S
In formula, StIndicate updated link overhead, St-1Indicate the link overhead before updating, S is the unit of setting
Apart from link cost value；D (i, j) is the distance between sensor node i and sensor node j；
(4) continue to forward Front ant message until sending it to any one relay node according to (2), (3)；Relaying
Node k starts timeout clock when receiving the Front ant message of source node α generation, no longer receives source after timeout clock time-out and saves
The Front ant message that point α is generated, for all Front ant messages that the source node α received is generated, relay node k is only selected
The link overhead of carrying the smallest Front ant message generates corresponding Back ant message, and along the chain of the carrying
The inverse path of the smallest Front ant message of road overhead sends the corresponding Back ant message, described corresponding
Back ant message carries the smallest forward direction ant of link overhead of the node identification information and the carrying of relay node k
The address link list of ant message；
(5) when sensor node i receives the Back ant message of sensor node j transmission, extract sensor node j's
The relay node identification information that node identification information and Back ant message carry, and it is stored in local, sensor node i is pressed
According to following equation update itself to sensor node j link pheromone concentration：
In formula, T (i, j) ' indicates the pheromone concentration of link of the updated sensor node i to sensor node j, T
(i, j) is the pheromone concentration of the link of the sensor node i to sensor node j before updating, and link information element is dense when initial
Degree is the volatility that 0, τ is pheromones, and h is total jump that Back ant message is sent to corresponding source node from relay node
Number；Δ T is predetermined constant, indicates the total amount of the pheromones discharged in primary update；
(6) information that current sensor node is indicated according to the address link list of Back ant message continues after forwarding to ant
Ant message, until Back ant message reaches source node；
(7) it after source node receives the Back ant message that two relay nodes generate, extracts, updated accordingly according to (5)
Information, and it is stored in local.
The present embodiment is determined using the link overhead in path as the evaluation index of optimal path based on ant colony optimization algorithm
The optimal path of sensor node each relay node into place cluster, thus, each source node is owned by 2 optimal roads
Diameter, wherein an optimal path leads to first relay node in cluster, another optimal path leads to second relaying section in cluster
Point；Wherein, the present embodiment improves the new probability formula in ant colony optimization algorithm, with the distance of link, pheromone concentration and under
Impact factor of the dump energy of one hop node as probability is conducive to the too low next-hop of limiting sensor node selection energy
Node, the energy consumption of balanced each sensor node, shortens path length.
In one embodiment, sensor node selects one of relay node to have as what the reception needs were sent
The destination node of machine pollutant concentration data, and then the organic dirt for sending needs along optimal path corresponding with destination node
Dye object concentration data is sent, specially：
(1) sensor node a periodically calculates the preferred value of every optimal path, if the optimal path collection of sensor node a
It is combined into The optimal path for indicating sensor node a to v-th relay node, sets preferred value
Calculation formula is：
In formula,Indicate optimal pathPreferred value,For optimal pathUpper conduct
The available cache memory size of the next-hop node of sensor node a, BminTo preset minimal cache；For optimal pathLink overhead, SmaxTo preset maximum link overhead；φ1、φ2For the weight coefficient of setting；
(2) sensor node selection is presently preferably worth relay node corresponding to maximum optimal path and saves as a purpose
Point is presently preferably worth maximum optimal path and the organic pollutant concentration data that sends will be needed to send along described.
Since sensor node is when sending organic pollutant concentration data to corresponding cluster head, there are two optimal paths can
Selective, the present embodiment further sets the selection mechanism of optimal path, wherein according to the caching of next-hop node and path
In link overhead set the preferred value calculation formula of optimal path.In the present embodiment, sensor node selection is current excellent
Choosing is worth the node as a purpose of relay node corresponding to maximum optimal path, is presently preferably worth maximum optimal road along described
Diameter will need the organic pollutant concentration data sent to send, and be conducive to the caching of balanced each next-hop node, and balance is each
The load of optimal path improves the reliability of organic pollutant concentration data transmission to a certain extent.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of range is protected, although explaining in detail referring to preferred embodiment to the present invention, those skilled in the art are answered
Work as understanding, it can be with modification or equivalent replacement of the technical solution of the present invention are made, without departing from the reality of technical solution of the present invention
Matter and range.
Claims (6)
1. ocean organic pollutant information acquisition system, characterized in that including data acquisition device and analysis and early warning device, data
Acquisition device is used to acquire the organic pollutant concentration data of sea area to be monitored；Analysis and early warning device is used for according to organic dirt
Dye object concentration data analyzes the seriously polluted degree of sea area to be monitored, and is issued warning signal according to seriously polluted degree；
The data acquisition device includes aggregation node and multiple sensor nodes, and aggregation node and sensor node pass through self-organizing side
Formula constructs the wireless sensor network of sub-clustering type structure, wherein according to low power consumption adaptive cluster layered protocol to sensor section
Point carries out sub-clustering and chooses cluster head；Cluster head is mainly used for the organic pollutant concentration data of collection cluster inner sensor node acquisition simultaneously
It is sent to aggregation node；Aggregation node, which is mainly used for summarizing the organic pollutant concentration data that each cluster head is sent, is sent to analysis
Prior-warning device.
2. organic pollutant information acquisition system in ocean according to claim 1, characterized in that the sensor node packet
Include the sensor of the organic pollutant concentration for monitoring sea area to be monitored and for sensor signal to be converted to correspondence
Organic pollutant concentration data signal adapter, the signal adapter connect with sensor；The sensor node is also
Including the controller for controlling frequency acquisition, the controller is connect with sensor.
3. organic pollutant information acquisition system in ocean according to claim 1 or 2, characterized in that the analysis and early warning
Device includes data analysis module and warning module, and the data analysis module is used to be analyzed according to organic pollutant concentration data
The seriously polluted degree of sea area to be monitored, and export seriously polluted degree analyzing result；The warning module is to be monitored
The seriously polluted degree of sea area issues warning signal when being more than the threshold value of setting.
4. organic pollutant information acquisition system in ocean according to claim 3, characterized in that the data analysis module
Including threshold preset unit and judging unit；Threshold preset unit is used to preset the secure threshold of each organic pollutant concentration；Sentence
Disconnected unit is super in organic pollutant concentration data for organic pollutant concentration data to be compared with corresponding secure threshold
Out when corresponding secure threshold, judge that the organic pollutant concentration data is abnormal, and according to abnormal organic pollutant concentration numbers
Data bulk determines the seriously polluted degree of sea area to be monitored.
5. organic pollutant information acquisition system in ocean according to claim 1, characterized in that the stage is constructed in link,
Select 2 sensor nodes as the cluster in the communication range of cluster head according to the position of sensor node and current remaining
The relay node of cluster where head, and determine the optimal path of sensor node each relay node into place cluster；It is sent out in data
The stage is sent, sensor node selects one of relay node as the reception organic pollutant concentration data for needing to send
Destination node, and then the organic pollutant concentration data that sends will be needed to send along optimal path corresponding with destination node
It goes out；Relay node receives the organic pollutant concentration data that each sensor node is sent, by received organic pollutant concentration
Data and the organic pollutant concentration data of itself acquisition are sent to cluster head together.
6. organic pollutant information acquisition system in ocean according to claim 5, characterized in that according to sensor node
Position and current remaining select 2 sensor nodes as the relaying section of cluster where the cluster head in the communication range of cluster head
Point, including：
(1) to any cluster head ci, define cluster head ciAll the sensors node is cluster head c in communication rangeiNeighbor node, obtain
Take cluster head ciEach neighbor node location information and current remaining information；
(2) according to the location information of neighbor node and current remaining information, the first weight of each neighbor node is calculated：
In formula, Wj 1Indicate cluster head ciJ-th of neighbor node the first weight, d (ci, j) and indicate cluster head ciWith its j-th of neighbour
The distance between node, d (ci, k) and indicate cluster head ciThe distance between its k-th of neighbor node,Indicate cluster head ciNeighbour
Occupy number of nodes；ejFor the current remaining of j-th of neighbor node, eminFor the minimum energy value of setting；
(3) the maximum neighbor node of the first weight is chosen as cluster head ciThe first relay node, calculate in addition to the first relay node
Remaining neighbor node the second weight：
In formula, Wρ 2Indicate the second weight of the ρ neighbor node in addition to the first relay node, Wρ 1It indicates to remove the first relay node
First weight of the ρ outer neighbor node；ci 1Indicate the cluster head c choseniThe first relay node, d (ci 1, ρ) and it is the ρ
A neighbor node and the first relay node ci 1Distance,For remaining neighbor node and c in addition to the first relay nodei 1's
Sum of the distance；
(4) the maximum neighbor node of the second weight is chosen as cluster head ciThe second relay node.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810745733.6A CN108922124A (en) | 2018-07-09 | 2018-07-09 | Ocean organic pollutant information acquisition system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810745733.6A CN108922124A (en) | 2018-07-09 | 2018-07-09 | Ocean organic pollutant information acquisition system |
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| CN108922124A true CN108922124A (en) | 2018-11-30 |
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| CN201810745733.6A Withdrawn CN108922124A (en) | 2018-07-09 | 2018-07-09 | Ocean organic pollutant information acquisition system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109459549A (en) * | 2018-12-03 | 2019-03-12 | 深圳桓轩科技有限公司 | A kind of marine pollution monitoring system of real-time radio |
| CN113923221A (en) * | 2021-10-28 | 2022-01-11 | 中国水利水电科学研究院 | Agricultural non-point source pollution remote monitoring system and monitoring method |
-
2018
- 2018-07-09 CN CN201810745733.6A patent/CN108922124A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109459549A (en) * | 2018-12-03 | 2019-03-12 | 深圳桓轩科技有限公司 | A kind of marine pollution monitoring system of real-time radio |
| CN113923221A (en) * | 2021-10-28 | 2022-01-11 | 中国水利水电科学研究院 | Agricultural non-point source pollution remote monitoring system and monitoring method |
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