CN104865933A - Method of centralized management and rapid response of wireless sensor network for cabinet environment monitoring - Google Patents
Method of centralized management and rapid response of wireless sensor network for cabinet environment monitoring Download PDFInfo
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- CN104865933A CN104865933A CN201510143470.8A CN201510143470A CN104865933A CN 104865933 A CN104865933 A CN 104865933A CN 201510143470 A CN201510143470 A CN 201510143470A CN 104865933 A CN104865933 A CN 104865933A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
- G05B19/4185—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by the network communication
- G05B19/41855—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by the network communication by local area network [LAN], network structure
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
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Abstract
The invention, which relates to the field of the information technology, especially to the field of cabinet environment monitoring by using a wireless sensor network, provides a method of centralized management and rapid response of a wireless sensor network for cabinet environment monitoring. According to the invention, a wireless sensor network (WSN) and a machine room environment are integrated; and thus a problem of fusion of centralized management and rapid response for cabinet environment monitoring can be solved. The rapid response is realized by point-to-point link establishment; and the point-to-point link establishment is completed by using an optimized breadth-first algorithm. A centralized management device, a gateway, and sensor nodes are arranged; the sensor nodes include monitoring nodes, SINK nodes, and an actuator. Therefore, centralized management of the machine room environment can be completed and the rapid response capability of outburst disasters is also realized.
Description
Technical field
The present invention relates to areas of information technology, especially the centralized management of wireless sensor network and the method for response fast during room environment monitoring.
Background technology
In informatization, machine room runs the core position being in information management.In machine room, all devices must at every moment run well, and the monitoring of tools of rack is the most important thing of center monitoring.Cabinet environment, comprises power supply, temperature, humidity, leak and smog etc., the normal operation for equipment is most important, otherwise once rack running environment goes wrong, certain equipment will be caused, comprise main frame, store, the equipment such as network break down, data transmission, storage and system cloud gray model are constituted a threat to, the operation of global system will be had influence on.If can not process in time, more likely damage hardware device, delay operation system running, the economic loss caused is immeasurable.Therefore, in China's the modern information establishment, the environmental monitoring problem solved for rack is extremely urgent.
But current center monitoring lays stress in the monitoring to machine room integrated environment and power, do not have a kind of effectively for the method and apparatus of cabinet environment monitoring.WSN, i.e. Wireless Sensor Networks wireless sensor network, be a kind of emerging cutting edge technology that may be used for monitoring, it is that a kind of microsensor node by low cost, low-power consumption forms, and consists of the self-organizing network of a multi-hop communication.By WSN and building environment being merged, dynamic, Real-Time Monitoring building environment can be realized, potential potential safety hazard being eliminated in bud, greatly reduces the equipment and property loss that cause due to machine room fault.
Summary of the invention
For above-mentioned problems of the prior art, the object of the invention is by WSN and building environment being merged, solving prior art does not have a kind of effectively for the problem of cabinet environment monitoring.The problem that the centralized management mainly solving room environment monitoring is merged mutually with quick response, wherein response has linked by setting up point-to-point fast, and the foundation of the link of point-to-point has been come by the width first traversal introduced below.
The difference of this patent and traditional WSN monitoring system is, this patent adds the function of point to point link: if run into emergency condition (as breaking out of fire), monitoring node is while reporting centralized manager, also directly can be communicated with actuator by point-to-point communication, (fire extinguishing) is processed at once after actuator receipt message, thus the processing delay greatly reduced in emergency circumstances, ensure that burning issue can solve in time, effectively, accomplish to monitor in real time to the full extent building environment.
The method of the quick response of wireless sensor network centralized management of cabinet environment monitoring, room environment monitoring task has been merged mutually by centralized management and quick response two kinds of functions, the WSN chief component for machine room monitoring completing centralized management function comprises: centralized manager, gateway, sensor node, wherein sensor node comprises monitoring node, SINK node and actuator; The point communications functionality completing quick response function is supported by width first traversal, introduces the width first traversal of WSN chief component and support point communications functionality below in detail:
1) for the principle framework of the WSN of machine room monitoring
1. centralized manager
Centralized manager, for realizing centralized management and the maintenance of WSN, is responsible for the monitoring adding configuration and network of network formation, new equipment node; In the process, the Network Management Function of centralized manager, can configure the communication resource between field apparatus, controlling equipment, and the communication resource of the present invention refers to time slot, and generate and the routing iinformation of maintaining network, diagnostic network state is to carry out updating maintenance timely;
2. gateway
Gateway is the hinge connecting other automated networks in the wireless network that is made up of field apparatus and factory; Gateway can carry out the conversion between different network protocol, thus provides the approach of automated network and wireless communication, and property performance period, aperiodicity and paroxysmal information interaction, facilitate the network management of user class;
3. sensor node
Sensor node can be configured to dissimilar functional unit to meet application demands different in industrial environment:
Various types of data to physical environment can gather as sensor unit and monitoring node;
Specific operation can be performed to specific training equipment as actuator;
Also can be configured or diagnostic-calibration other network equipments as service equipment, service equipment can be handheld device;
4. job step
When the systems are operating normally, monitoring node gathers the power data of machine room, humiture data, data of leaking, smoke data, and is reported to centralized manager;
Centralized manager analyzes data, and contrasts with its value in a database, and build environment data report;
If building environment is normal, not doing fault phase should; If data exception, then centralized manager sends message to actuator, and actuator performs respective operations after analyzing message, as: the operations such as cooling, humidification;
2) function of point to point link
1. utilize width first traversal (BFS) to find the minimal path PS->D of a source point S to terminal D, so both can guarantee the real-time communicated, the relative position between destination node can be determined again; The present invention can consider the signal intensity between adjacent node when carrying out breadth traversal, under realizing shortest path, communication quality is optimum; Specific algorithm step is as follows:
Wherein, queue represents fifo queue, and hi represents the degree of depth of node i, p point to all the time queue first go out group node, Pi points to the father node after node i breadth traversal;
1. get source point S and add queue, hs=0, Ps=null, p=S, hp=0;
2., if queue is not empty, from queue, get node n, p=n; If hn ≠ hp, then hp++;
3. the neighbor list of traverse node n, to arbitrary node m, if Pm=null, then hm=hp+1, Pm=n; Otherwise the node x finding Pm to point to, if Wxm<Wnm and hm>=hp+1, then Pm=n, adds queue by m, turns back to step 3;
4., if queue is not empty, turn back to step 2;
5. terminate;
2. execute above-mentioned algorithm, can obtain a layering traverse tree, on tree, the path of source point S to terminal D is shortest path PS->D; On this architecture basics, realize the point-to-point figure route of source point S to terminal D: from source point S along PS->D path, for the link between adjacent two nodes (referred to herein as key point) finds another redundant link, until terminal D; Under the node said conditions that guarantee as much as possible has redundancy father node, the link that prioritizing selection signal quality is more excellent, finally obtains the figure route of source point S to terminal D;
Specific algorithm step is as follows:
Wherein, Ui represents that in hierarchical tree, the degree of depth is the set of node of i, and ki represents that on PS->D path, the degree of depth is the key point of i, hv represents the degree of depth of hierarchical tree interior joint v, Con (m, n) represents node m and n neighbours each other, and Lmn represents the connection of node m and n.
1. initialization Gp (Vp, Ep), Vp comprise all key points, comprise the connection between all key points.i=0，j=0，p=null；
2. i++, if ki=null, jumps to step 3; Traversal Ui-1, if node m meets Con (ki-1, m) & & Con (ki, m), then m adds L (ki-1, ki); Traversal Ui, if node n meets Con (ki-1, n) & & Con (ki, n), then n adds L (ki-1, ki); Return step 2;
3. j++, if kj+1=null, jumps to step 8; If p=null, respectively from find in L (kj-1, kj) and L (kj, kj+1) meet Con (x, y) and the maximum node of signal intensity to (x, y); Otherwise x=p, meets Con (x, y) and the maximum node y of signal intensity from finding in L (kj, kj+1);
4., if (x, y) exists, p=y, by node x, y adds Vp, and will connect Lkj-1x, Lxkj, Lkjy, Lxy, Lykj+1 are incorporated into Ep, turn back to step 3;
5., if p=null, find the common node in L (kj-1, kj) and L (kj, kj+1) and the maximum z of signal intensity, otherwise z=p, from L (kj, kj+1), find node z;
6., if z exists, p=z, joins Vp by node z, and will connect Lkj-1z, Lzkj, Lzkj+1 are incorporated into Ep, turn back to step 3;
7. if, p=null, from L (kj-1, kj) and L (kj, kj+1), select the node x that signal intensity is maximum, y joins Vp, and will connect Lkj-1x, Lxkj, Lkjy, Lykj+1 are incorporated into Ep; Otherwise from L (kj, kj+1), select the maximum node z of signal intensity to join Vp, Lkjz, Lzkj+1 are incorporated into Ep, p=z; Turn back to step 3;
8. terminate;
3. according to the point-to-point link figure Gp (Vp that above-mentioned algorithm is formed, Ep), minimum and the active path of communication quality optimum of time delay can be defined between communication facilities, key node on path strengthens by redundancy the reliability improving communication, namely each key point can ensure two conversion links, first-selected one is connected for proper communication with another key point, and another is then as backing up to tackle abnormal conditions.
Beneficial effect
Be deployed in by WSN in machine room, monitoring node, by machine room data acquisition, by the forwarding of SINK node and gateway, is sent to centralized manager.If supervisory messages shows that building environment goes wrong, then centralized manager sends failure message to actuator, and actuator adjusts building environment.If there is burning issue, monitoring node can pass through point-to-point communication, directly to the order of actuator transmission processing, can ensure the real-time of fault handling.
Accompanying drawing explanation
Fig. 1 is principle framework figure of the present invention;
Fig. 2 is point to point link algorithm schematic diagram of the present invention;
The label declaration of Fig. 1:
1 centralized manager, 2 SINK nodes, 3 monitoring nodes, 4 gateways, 5 calculator room equipments, 6 actuators.
Embodiment
The method of the quick response of the wireless sensor network centralized management realizing cabinet environment of the present invention monitoring referring to Fig. 1 to Fig. 2 is by manage concentratedly and response two kinds of functions have merged room environment monitoring task mutually fast, the WSN chief component for machine room monitoring completing centralized management function comprises: centralized manager 1, gateway 4, sensor node, wherein sensor node comprises monitoring node 3, SINK node 2 and actuator 6; The point communications functionality completing quick response function is supported by width first traversal, introduces the width first traversal of WSN chief component and support point communications functionality below in detail:
1) for the principle framework of the WSN of machine room monitoring
1. centralized manager 1
Centralized manager 1, for realizing centralized management and the maintenance of WSN, is responsible for the monitoring adding configuration and network of network formation, new equipment node; In the process, the Network Management Function of centralized manager 1, can configure the communication resource between field apparatus, controlling equipment, and the communication resource of the present invention refers to time slot, and generate and the routing iinformation of maintaining network, diagnostic network state is to carry out updating maintenance timely;
2. gateway 4
Gateway 4 is the hinges connecting other automated networks in the wireless network that is made up of field apparatus and factory; Gateway can carry out the conversion between different network protocol, thus provides the approach of automated network and wireless communication, and property performance period, aperiodicity and paroxysmal information interaction, facilitate the network management of user class;
3. sensor node
Sensor node can be configured to dissimilar functional unit to meet application demands different in industrial environment:
Can gather as the Various types of data of monitoring node 3 pairs of physical environments;
Specific operation can be performed to specific training equipment as actuator 6;
Also can be configured or diagnostic-calibration other network equipments as service equipment, service equipment can be handheld device;
4. job step
When the systems are operating normally, monitoring node 3 gathers the power data of machine room, humiture data, data of leaking, smoke data, and is reported to centralized manager 1;
Centralized manager 1 analyzes data, and contrasts with its value in a database, and build environment data report;
If building environment is normal, not doing fault phase should; If data exception, then centralized manager 1 sends message to actuator 6, and actuator 6 performs respective operations after analyzing message, as: the operations such as cooling, humidification;
2) function of point to point link, referring to Fig. 2
1. utilize width first traversal (BFS) to find the minimal path PS->D of a source point S to terminal D, so both can guarantee the real-time communicated, the relative position between destination node can be determined again; The present invention can consider the signal intensity between adjacent node when carrying out breadth traversal, under realizing shortest path, communication quality is optimum; Specific algorithm step is as follows:
Wherein, queue represents fifo queue, and hi represents the degree of depth of node i, p point to all the time queue first go out group node, Pi points to the father node after node i breadth traversal;
1. get source point S and add queue, hs=0, Ps=null, p=S, hp=0;
2., if queue is not empty, from queue, get node n, p=n; If hn ≠ hp, then hp++;
3. the neighbor list of traverse node n, to arbitrary node m, if Pm=null, then hm=hp+1, Pm=n; Otherwise the node x finding Pm to point to, if Wxm<Wnm and hm>=hp+1, then Pm=n, adds queue by m, turns back to step 3;
4., if queue is not empty, turn back to step 2;
5. terminate;
2. execute above-mentioned algorithm, can obtain a layering traverse tree, on tree, the path of source point S to terminal D is shortest path PS->D; On this architecture basics, realize the point-to-point figure route of source point S to terminal D: from source point S along PS->D path, for the link between adjacent two nodes (referred to herein as key point) finds another redundant link, until terminal D; Under the node said conditions that guarantee as much as possible has redundancy father node, the link that prioritizing selection signal quality is more excellent, finally obtains the figure route of source point S to terminal D;
Specific algorithm step is as follows:
Wherein, Ui represents that in hierarchical tree, the degree of depth is the set of node of i, and ki represents that on PS->D path, the degree of depth is the key point of i, hv represents the degree of depth of hierarchical tree interior joint v, Con (m, n) represents node m and n neighbours each other, and Lmn represents the connection of node m and n.
1. initialization Gp (Vp, Ep), Vp comprise all key points, comprise the connection between all key points.i=0，j=0，p=null；
2. i++, if ki=null, jumps to step 3; Traversal Ui-1, if node m meets Con (ki-1, m) & & Con (ki, m), then m adds L (ki-1, ki); Traversal Ui, if node n meets Con (ki-1, n) & & Con (ki, n), then n adds L (ki-1, ki); Return step 2;
3. j++, if kj+1=null, jumps to step 8; If p=null, respectively from find in L (kj-1, kj) and L (kj, kj+1) meet Con (x, y) and the maximum node of signal intensity to (x, y); Otherwise x=p, meets Con (x, y) and the maximum node y of signal intensity from finding in L (kj, kj+1);
4., if (x, y) exists, p=y, by node x, y adds Vp, and will connect Lkj-1x, Lxkj, Lkjy, Lxy, Lykj+1 are incorporated into Ep, turn back to step 3;
5., if p=null, find the common node in L (kj-1, kj) and L (kj, kj+1) and the maximum z of signal intensity, otherwise z=p, from L (kj, kj+1), find node z;
6., if z exists, p=z, joins Vp by node z, and will connect Lkj-1z, Lzkj, Lzkj+1 are incorporated into Ep, turn back to step 3;
7. if, p=null, from L (kj-1, kj) and L (kj, kj+1), select the node x that signal intensity is maximum, y joins Vp, and will connect Lkj-1x, Lxkj, Lkjy, Lykj+1 are incorporated into Ep; Otherwise from L (kj, kj+1), select the maximum node z of signal intensity to join Vp, Lkjz, Lzkj+1 are incorporated into Ep, p=z; Turn back to step 3;
8. terminate;
3. according to the point-to-point link figure Gp (Vp that above-mentioned algorithm is formed, Ep), minimum and the active path of communication quality optimum of time delay can be defined between communication facilities, key node on path strengthens by redundancy the reliability improving communication, namely each key point can ensure two conversion links, first-selected one is connected for proper communication with another key point, and another is then as backing up to tackle abnormal conditions.
Claims (2)
1. the method for the quick response of wireless sensor network centralized management of cabinet environment monitoring, room environment monitoring task has been merged mutually by centralized management and quick response two kinds of functions, the WSN chief component for machine room monitoring completing centralized management function comprises: centralized manager, gateway, sensor node, wherein sensor node comprises monitoring node, SINK node and actuator; The point communications functionality completing quick response function is supported by width first traversal, introduces the width first traversal of WSN chief component and support point communications functionality below in detail:
1) for the principle framework of the WSN of machine room monitoring
1. centralized manager
Centralized manager, for realizing centralized management and the maintenance of WSN, is responsible for the monitoring adding configuration and network of network formation, new equipment node; In the process, the Network Management Function of centralized manager, can configure the communication resource between field apparatus, controlling equipment, and the communication resource of the present invention refers to time slot, and generate and the routing iinformation of maintaining network, diagnostic network state is to carry out updating maintenance timely;
2. gateway
Gateway is the hinge connecting other automated networks in the wireless network that is made up of field apparatus and factory; Gateway can carry out the conversion between different network protocol, thus provides the approach of automated network and wireless communication, and property performance period, aperiodicity and paroxysmal information interaction, facilitate the network management of user class;
3. sensor node
Sensor node can be configured to dissimilar functional unit to meet application demands different in industrial environment:
Various types of data to physical environment can gather as sensor unit and monitoring node;
Specific operation can be performed to specific training equipment as actuator;
Also can be configured or diagnostic-calibration other network equipments as service equipment, service equipment can be handheld device;
4. job step
When the systems are operating normally, monitoring node gathers the power data of machine room, humiture data, data of leaking, smoke data, and is reported to centralized manager;
Centralized manager analyzes data, and contrasts with its value in a database, and build environment data report;
If building environment is normal, not doing fault phase should; If data exception, then centralized manager sends message to actuator, and actuator performs respective operations after analyzing message, as: the operations such as cooling, humidification;
2) function of point to point link
1. utilize width first traversal (BFS) to find the minimal path PS->D of a source point S to terminal D, so both can guarantee the real-time communicated, the relative position between destination node can be determined again; The present invention can consider the signal intensity between adjacent node when carrying out breadth traversal, under realizing shortest path, communication quality is optimum; Specific algorithm step is as follows:
Wherein, queue represents fifo queue, and hi represents the degree of depth of node i, p point to all the time queue first go out group node, Pi points to the father node after node i breadth traversal;
1. get source point S and add queue, hs=0, Ps=null, p=S, hp=0;
2., if queue is not empty, from queue, get node n, p=n; If hn ≠ hp, then hp++;
3. the neighbor list of traverse node n, to arbitrary node m, if Pm=null, then hm=hp+1, Pm=n; Otherwise the node x finding Pm to point to, if Wxm<Wnm and hm>=hp+1, then Pm=n, adds queue by m, turns back to step 3;
4., if queue is not empty, turn back to step 2;
5. terminate;
2. execute above-mentioned algorithm, can obtain a layering traverse tree, on tree, the path of source point S to terminal D is shortest path PS->D; On this architecture basics, realize the point-to-point figure route of source point S to terminal D: from source point S along PS->D path, for the link between adjacent two nodes (referred to herein as key point) finds another redundant link, until terminal D; Under the node said conditions that guarantee as much as possible has redundancy father node, the link that prioritizing selection signal quality is more excellent, finally obtains the figure route of source point S to terminal D;
Specific algorithm step is as follows:
Wherein, Ui represents that in hierarchical tree, the degree of depth is the set of node of i, and ki represents that on PS->D path, the degree of depth is the key point of i, hv represents the degree of depth of hierarchical tree interior joint v, Con (m, n) represents node m and n neighbours each other, and Lmn represents the connection of node m and n;
1. initialization Gp (Vp, Ep), Vp comprise all key points, comprise the connection between all key points;
i=0，j=0，p=null；
2. i++, if ki=null, jumps to step 3; Traversal Ui-1, if node m meets Con (ki-1, m) & & Con (ki, m), then m adds L (ki-1, ki); Traversal Ui, if node n meets Con (ki-1, n) & & Con (ki, n), then n adds L (ki-1, ki); Return step 2;
3. j++, if kj+1=null, jumps to step 8; If p=null, respectively from find in L (kj-1, kj) and L (kj, kj+1) meet Con (x, y) and the maximum node of signal intensity to (x, y); Otherwise x=p, meets Con (x, y) and the maximum node y of signal intensity from finding in L (kj, kj+1);
4., if (x, y) exists, p=y, by node x, y adds Vp, and will connect Lkj-1x, Lxkj, Lkjy, Lxy, Lykj+1 are incorporated into Ep, turn back to step 3;
5., if p=null, find the common node in L (kj-1, kj) and L (kj, kj+1) and the maximum z of signal intensity, otherwise z=p, from L (kj, kj+1), find node z;
6., if z exists, p=z, joins Vp by node z, and will connect Lkj-1z, Lzkj, Lzkj+1 are incorporated into Ep, turn back to step 3;
7. if, p=null, from L (kj-1, kj) and L (kj, kj+1), select the node x that signal intensity is maximum, y joins Vp, and will connect Lkj-1x, Lxkj, Lkjy, Lykj+1 are incorporated into Ep; Otherwise from L (kj, kj+1), select the maximum node z of signal intensity to join Vp, Lkjz, Lzkj+1 are incorporated into Ep, p=z; Turn back to step 3;
8. terminate;
3. according to the point-to-point link figure Gp (Vp that above-mentioned algorithm is formed, Ep), minimum and the active path of communication quality optimum of time delay can be defined between communication facilities, key node on path strengthens by redundancy the reliability improving communication, namely each key point can ensure two conversion links, first-selected one is connected for proper communication with another key point, and another is then as backing up to tackle abnormal conditions.
2. the feature of the method for the quick response of wireless sensor network centralized management of cabinet environment monitoring according to claim 1 is WSN to be deployed in machine room, monitoring node is by machine room data acquisition, by the forwarding of SINK node and gateway, be sent to centralized manager; If supervisory messages shows that building environment goes wrong, then centralized manager sends failure message to actuator, and actuator adjusts building environment; If there is burning issue, monitoring node can pass through point-to-point communication, directly to the order of actuator transmission processing, can ensure the real-time of fault handling.
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| CN110519788A (en) * | 2019-07-18 | 2019-11-29 | 浙江工业大学 | A kind of wireless communication link quality estimation method of physical environment sensor auxiliary |
| CN110601978A (en) * | 2019-09-16 | 2019-12-20 | 腾讯科技（深圳）有限公司 | Flow distribution control method and device |
| CN115629637A (en) * | 2022-11-04 | 2023-01-20 | 广州旭杰电子有限公司 | Cold and hot field temperature intelligent control system for 5G machine room |
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