CN103337146A - Health monitoring method and health monitoring system of civil engineering structure - Google Patents
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Abstract
The embodiment of the invention discloses a health monitoring method of a civil engineering structure. The health monitoring method comprises the following steps: at least one acquisition node acquires physical quantities of the civil engineering structure by adopting time information sent by a time node as reference; the at least one acquisition node generates a data packet including acquired physical quantity values and timestamps; the timestamps are used for representing the time for sending the data packet and sending the data packet to a monitoring platform by a wireless mode; the monitoring platform aligns the received physical quantity values by the timestamps, and generates a data curve of each acquisition node by adopting the aligned physical quantity values and the timestamps corresponding to the aligned physical quantity values. Correspondingly, the embodiment of the invention also discloses a health monitoring system of the civil engineering structure. According to the health monitoring method, the purpose of reducing the cost of the health state of the civil engineering structure can be realized.
Description
Technical field
The present invention relates to field of civil engineering, relate in particular to a kind of civil engineering works structure health monitoring method and system.
Background technology
The health status of civil engineering structure is mainly reacted by the physical quantity of civil engineering structure, for example reflects the health status of civil engineering structure by monitoring acceleration, monitoring strain and monitor temperature.But acceleration, strain and the temperature of monitoring civil engineering structure at present all are wireline equipments finishes monitoring, and the accekeration of namely monitoring out, strain value and temperature value can only transfer on the equipment of control civil engineering structure by wired mode.Need in civil engineering structure like this to arrange a large amount of transmission lines that the cost of health status that causes monitoring civil engineering structure is very high.
Summary of the invention
The embodiment of the invention provides a kind of civil engineering works structure health monitoring method and system, can realize reducing the cost of the health status of monitoring civil engineering structure.
In order to solve the problems of the technologies described above, a kind of civil engineering works structure health monitoring method that the embodiment of the invention provides comprises:
At least one acquisition node is that benchmark is gathered the physical quantity of civil engineering structure respectively with the temporal information that timing node sends;
Described at least one acquisition node generate comprise gather magnitude of physical quantity and the packet of timestamp, described timestamp is used for the time that expression sends this packet, and by wireless described packet is sent to monitor supervision platform;
Described monitor supervision platform aligns the magnitude of physical quantity that receives with timestamp, the magnitude of physical quantity after the employing alignment and the magnitude of physical quantity time corresponding after the alignment are stabbed the data and curves that generates each described acquisition node; Wherein, the data and curves of described acquisition node comprises magnitude of physical quantity and this magnitude of physical quantity time corresponding stamp information that this acquisition node is gathered, and the timestamp information that each described data and curves comprises is identical.
Correspondingly, a kind of civil engineering works structure health monitoring system that the embodiment of the invention also provides comprises: at least one acquisition node, timing node and monitor supervision platform, wherein:
Described acquisition node, the temporal information that is used for sending with described timing node is that benchmark is gathered the physical quantity of civil engineering structure;
Described acquisition node, be used for to generate comprise gather magnitude of physical quantity and the packet of timestamp, described timestamp is used for the time that expression sends this packet, and by wireless described packet is sent to monitor supervision platform;
Described monitor supervision platform is used for the magnitude of physical quantity that receives is alignd with timestamp, and the magnitude of physical quantity after the employing alignment and the magnitude of physical quantity time corresponding after the alignment are stabbed the data and curves that generates each described acquisition node; Wherein, the data and curves of described acquisition node comprises magnitude of physical quantity and this magnitude of physical quantity time corresponding stamp information that this acquisition node is gathered, and the timestamp information that each described data and curves comprises is identical.
In the technique scheme, acquisition node sends packet by wireless mode to monitor supervision platform, and this monitor supervision platform is the packet that can receive that a plurality of acquisition nodes send, monitor supervision platform is according to magnitude of physical quantity and timestamp in the packet of these a plurality of acquisition nodes transmissions, generation comprises the healthy synoptic diagram of described civil engineering structure of the data and curves of a plurality of acquisition nodes, thereby obtains the health status of civil engineering structure.In civil engineering structure, do not need to arrange circuit like this, and can analyze the data of a plurality of acquisition node collections, thereby realize that soil reduces the cost of the health status of monitoring civil engineering structure.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of a kind of civil engineering works structure health monitoring method of providing of the embodiment of the invention;
Fig. 2 is the schematic flow sheet of the another kind of civil engineering works structure health monitoring method that provides of the embodiment of the invention;
Fig. 3 is the synoptic diagram of a kind of optional magnitude of physical quantity alignment that provides of the embodiment of the invention;
Fig. 4 is the synoptic diagram of a kind of optional data and curves chart that provides of the embodiment of the invention;
Fig. 5 is the schematic flow sheet of the another kind of civil engineering works structure health monitoring method that provides of the embodiment of the invention;
Fig. 6 is the structural representation of a kind of civil engineering works structure health monitoring system that provides of the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
Fig. 1 is the schematic flow sheet of a kind of civil engineering works structure health monitoring method of providing of the embodiment of the invention, as shown in Figure 1, comprising:
101, at least one acquisition node is that benchmark is gathered the physical quantity of civil engineering structure respectively with the temporal information that timing node sends.
Above-mentioned at least one acquisition node can be the different position that is distributed in civil engineering structure, with the health status of comprehensive monitoring to civil engineering structure.The above-mentioned temporal information that sends with timing node is benchmark to the physical quantity collection of civil engineering structure can be that the zero-time that each acquisition node is gathered the physical quantity of carpenter's journey structure is the same with frequency acquisition.It is the information adjustment clock separately that each acquisition node sends according to timing node, the clock of realizing each acquisition node like this is identical, each acquisition node begins the physical quantity of carpenter's journey structure is gathered with the time point that sets in advance again, thereby it is identical to reach the zero-time that each acquisition node gathers the physical quantity of carpenter's journey structure, and frequency acquisition can be unified to set in advance.
102, at least one acquisition node generate comprise gather magnitude of physical quantity and the packet of timestamp, described timestamp is used for the time that expression sends this packet, and by wireless described packet is sent to monitor supervision platform.
It is wherein, above-mentioned that described packet is sent to monitor supervision platform specifically can be by wireless network described packet to be sent to monitor supervision platform by wireless.Specifically can be that each acquisition node is that each magnitude of physical quantity that collects generates a packet, again the packet that generates is sent to monitor supervision platform.Can directly be sent to monitor supervision platform by wireless network when acquisition node is sent to monitor supervision platform with packet, can also be to utilize wireless network to be sent to monitor supervision platform by other transfer acquisition node.For example: acquisition node A is sent to acquisition node B with the packet A of acquisition node A, and acquisition node B is sent to monitor supervision platform with the packet B of data A and acquisition node B again.Perhaps can also be to be sent to monitor supervision platform by a plurality of acquisition nodes.
103, monitor supervision platform aligns the magnitude of physical quantity that receives with timestamp, and the magnitude of physical quantity after the employing alignment and the magnitude of physical quantity time corresponding after the alignment are stabbed the data and curves that generates each described acquisition node; Wherein, the data and curves of described acquisition node comprises magnitude of physical quantity and this magnitude of physical quantity time corresponding stamp information that this acquisition node is gathered, and the timestamp information that each described data and curves comprises is identical.
After monitor supervision platform receives the packet of above-mentioned at least one acquisition node transmission, these packets are resolved obtain magnitude of physical quantity and the timestamp that each packet comprises, these magnitudes of physical quantity are alignd with timestamp, the physical quantity of getting the identical time stamp of each acquisition node again generates the data and curves of each acquisition node again.For example: the packet that each acquisition node that monitor supervision platform receives sends is timestamp A alignment, namely at this time point of timestamp A, each acquisition node has sent packet to monitor supervision platform, then monitor supervision platform is that starting point is drawn with this time point just for the data and curves that each acquisition node generates, and the data and curves that monitor supervision platform is drawn for each acquisition node can be real-time update, so just can guarantee that the timestamp that the data and curves of each acquisition node comprises is identical.
In the technique scheme, acquisition node sends packet by wireless mode to monitor supervision platform, and this monitor supervision platform is the packet that can receive that a plurality of acquisition nodes send, monitor supervision platform is according to magnitude of physical quantity and timestamp in the packet of these a plurality of acquisition nodes transmissions, generation comprises the healthy synoptic diagram of described civil engineering structure of the data and curves of a plurality of acquisition nodes, thereby obtains the health status of civil engineering structure.In civil engineering structure, do not need to arrange circuit like this, and can analyze the data of a plurality of acquisition node collections, thereby realization reduces the cost of the health status of monitoring civil engineering structure.
Fig. 2 is the schematic flow sheet of the another kind of civil engineering works structure health monitoring method that provides of the embodiment of the invention, as shown in Figure 2, comprising:
201, at least one acquisition node receives the temporal information that described timing node sends, and each described acquisition node is adjusted the clock of this acquisition node according to this temporal information.
Timing node can when each acquisition node receives this temporal information, just can be adjusted the clock of this acquisition node by wireless network to above-mentioned at least one acquisition node transmission time information, is consistent with the clock that reaches each acquisition node.Wherein, above-mentioned temporal information specifically can be a plurality of timestamps, and namely timing node sends a plurality of timestamps for above-mentioned each acquisition node.The clock of a plurality of these acquisition nodes of update of time stamp that each acquisition node sends according to timing node again is consistent with the clock of realizing each acquisition node with the clock of timing node.Prove by experiment when above-mentioned temporal information comprises 3 timestamps that the clock after each acquisition node is adjusted and the clock of timing node are the most identical.
202, at least one acquisition node is gathered the physical quantity of civil engineering structure respectively with the frequency acquisition that sets in advance at the time point that sets in advance.
Physical quantity collection to civil engineering structure can be that following at least one the physical quantity of civil engineering structure gathered:
Acceleration, strain and temperature are gathered, and wherein, acceleration comprises the acceleration of first direction, the acceleration of second direction and the acceleration of third direction; For example: the acceleration of the acceleration of X-direction, the acceleration of Y-direction and Z direction.Be that each acquisition node can be to one in the above-mentioned physical quantity or multinomial the collection.
203, at least one acquisition node generate comprise gather magnitude of physical quantity and the packet of timestamp, described timestamp is used for the time that expression sends this packet, and by wireless described packet is sent to monitor supervision platform.
It is wherein, above-mentioned that described packet is sent to monitor supervision platform specifically can be by wireless network described packet to be sent to monitor supervision platform by wireless.Acquisition node can be to compress and obtain above-mentioned packet collecting magnitude of physical quantity and timestamp, the identification information of all right acquisition node of certain this packet and the identification information of monitor supervision platform, like this this packet in wireless network transmissions, just can arrive smoothly monitor supervision platform, and during the packet that monitor supervision platform receives, the identification information of the acquisition node that can also comprise by this packet obtains that this packet by which acquisition node generates.
Acquisition node can also be that packet is sent to the base station, is sent to monitor supervision platform by the base station again.
204, monitor supervision platform aligns the magnitude of physical quantity that receives with timestamp, and the magnitude of physical quantity after the employing alignment and the magnitude of physical quantity time corresponding after the alignment are stabbed the data and curves that generates each described acquisition node; Wherein, the data and curves of described acquisition node comprises magnitude of physical quantity and this magnitude of physical quantity time corresponding stamp information that this acquisition node is gathered, and the timestamp information that each described data and curves comprises is identical.
Monitor supervision platform can be distinguished according to sending the acquisition node that generates this packet after receiving packet, being about to packet classifies, to obtain the packet that each acquisition node generates, the resolution data bag obtains magnitude of physical quantity and the timestamp that packet comprises again, again magnitude of physical quantity is alignd according to timestamp, according to the magnitude of physical quantity after the alignment and the timestamp data and curves that generates each acquisition node.Specifically can be to set up a list item for each acquisition node, each list item be stored magnitude of physical quantity and the timestamp of this acquisition node, the magnitude of physical quantity in each list item is alignd according to timestamp again.Can be as shown in Figure 3, Fig. 3 only is illustrated with the physical quantity of two acquisition nodes, Fig. 3-1 expression monitor supervision platform receives the packet of acquisition node A and acquisition node B, wherein, it is 2000 to 2100 that the magnitude of physical quantity time corresponding of acquisition node A is stabbed, and the time corresponding of the magnitude of physical quantity of acquisition node B stamp is 2050 to 2150, though the quantity of the magnitude of physical quantity of these two acquisition nodes is identical, but it is different that these magnitude of physical quantity time corresponding are stabbed, do not stab if do not consider the magnitude of physical quantity time corresponding, the data and curves of Sheng Chenging can't accurately be the health status of expression civil engineering structure like this.Monitor supervision platform just can align the magnitude of physical quantity of these two acquisition nodes according to timestamp, namely obtaining magnitude of physical quantity shown in Fig. 3-2 and time corresponding stabs, because stabbing, the magnitude of physical quantity time corresponding of two acquisition nodes all comprises timestamp 2050, so just can align by timestamp 2050, and because acquisition node A only comprises timestamp 2100 corresponding physical values, and acquisition node B comprises timestamp 2050 to timestamp 2150 corresponding physical values, be acquisition node A with identical magnitude of physical quantity that acquisition node B comprises be timestamp 2050 to timestamp 2100 corresponding physical values, monitor supervision platform just utilizes the timestamp 2050 of acquisition node A and acquisition node B to generate the data and curves of acquisition node A and acquisition node B to timestamp 2100 corresponding physical values like this.
As a kind of optional embodiment, the type of described physical quantity can comprise following at least one:
Acceleration, strain and temperature; Wherein, acceleration comprises the acceleration of first direction, the acceleration of second direction and the acceleration of third direction; For example: the acceleration of the acceleration of X-direction, the acceleration of Y-direction and Z direction.Be that each acquisition node can be to one in the above-mentioned physical quantity or multinomial the collection.
Above-mentioned at least one acquisition node generate comprise gather magnitude of physical quantity and the packet of timestamp, can comprise:
At least one acquisition node generate comprise gather magnitude of physical quantity, the type information of this physical values and the packet of timestamp; It is the type information that each packet comprises the magnitude of physical quantity in this packet.It specifically can be the type information that adds this magnitude of physical quantity in the front of magnitude of physical quantity, for example: the type information that is used for this magnitude of physical quantity of expression in two bytes of the front of magnitude of physical quantity, as character " A " expression strain, character " B " expression temperature, the acceleration of character " C1 " expression first direction, the acceleration of character " C2 " expression second direction, the acceleration of character " C3 " expression third direction.When resolving packet, the monitor supervision platform reception just can obtain the type of magnitude of physical quantity like this, type with the magnitude of physical quantity of the collection of distinguishing each acquisition node, namely obtain the magnitude of physical quantity of the different type of each acquisition node collection, for example generate five sub-list items in the list item of each acquisition node, each sublist item is used for the magnitude of physical quantity of a type of storage.The data and curves of each acquisition node of monitor supervision platform generation just can comprise following at least one like this:
The data and curves of the data and curves of the data and curves of the data and curves of the acceleration of first direction, the acceleration of second direction, the acceleration of third direction, the data and curves of strain and temperature.Wherein, the data and curves of the same type of all acquisition nodes is positioned at same chart demonstration.The health status that can more clearly represent civil engineering structure like this.For example: can draw chart shown in Figure 4, wherein, comprise X-axis acceleration information curve in the chart shown in Figure 4, this X-axis acceleration information curve comprises the X-axis acceleration information curve of all acquisition nodes, so just can clearly show the acceleration of the X-direction of whole civil engineering structure, chart shown in Figure 4 can also comprise Y-axis acceleration information curve, Z axle acceleration data and curves chart, temperature data curve and strain data curve, wherein, Y-axis acceleration information curve, Z axle acceleration data and curves chart, the temperature data curve can be the same data and curves that can comprise all acquisition nodes with X-axis acceleration information curve with the strain data curve.The man-machine health status that can clearly show whole civil engineering structure.
As a kind of optional embodiment, above-mentioned packet can also comprise:
The acquisition node that generates described packet transfers to the transmission path information of monitor supervision platform.
Described at least one acquisition node is sent to described packet after the monitor supervision platform by wireless, and described method can also comprise:
The transmission path information that described monitor supervision platform comprises according to each packet calculates the topological structure of described at least one acquisition node.
Be that packet can also comprise the identification information of the acquisition node that generates described packet, the identification information of monitor supervision platform, when the acquisition node that generates described packet sends to monitor supervision platform must transmit through other acquisition node the time with packet, this packet can also comprise these identification informations of transmitting the acquisition node of this packet.For example: when the packets need process acquisition node B that acquisition node A generates and the forwarding of acquisition node C just can be sent to monitor supervision platform, the packet that acquisition node A generates comprises the identification information of acquisition node A and the identification information of monitor supervision platform, be source identification information and purpose identification information, when acquisition node B receives this packet, the identification information of the A that comprises by this packet and the identification information of monitor supervision platform, just can know that this packet sends to monitor supervision platform, acquisition node B just can increase the identification information of acquisition node B and the identification information of acquisition node C at this packet, again this packet is sent to acquisition node C, acquisition node C just can be sent to monitor supervision platform with this packet, monitor supervision platform just can obtain acquisition node A to the transmission path of monitor supervision platform by above-mentioned identification information after receiving this packet, and acquisition node B and acquisition node C be to the path of monitor supervision platform, thereby can calculate acquisition node A, the topological structure of acquisition node B and acquisition node C.In like manner, monitor supervision platform can also obtain the topological structure of other acquisition node, so just can obtain the topological structure of the acquisition node of all monitoring civil engineering structures.Monitor supervision platform is managed acquisition node better by the topological structure that calculates like this, and opens up the local health status that structure more clearly reflects civil engineering structure by this.For example: when which acquisition node failed that packet is sent to monitor supervision platform, monitor supervision platform found the fault collection node by the topological structure that calculates.
In the technique scheme, realized the embodiment of plurality of optional in the above on the basis of embodiment, and can realize that soil reduces the cost of the health status of monitoring civil engineering structure.
Be illustrated with a concrete realization example below:
Above-mentioned acquisition node can be wireless sensor node, and this Wireless Transmitter node can comprise wireless transmit node and data acquisition board composition.Acquisition node can be gathered acceleration, strain, temperature simultaneously.And reached the requirement of the required sample frequency of civil engineering work health monitoring.Acquisition node can adopt the embedded programming design, and programming language adopts TinyOS2.x.The acquisition node program circuit as shown in Figure 5, wherein the node among Fig. 5 is represented acquisition node.After the temporal information that acquisition node time of reception timing node sends, upgrade the clock in the data acquisition node, the clock of all acquisition nodes is all identical, and all acquisition nodes can be set at: the clock of acquisition node began civil engineering structure is carried out the physical quantity collection in the time of the 30th second.The structure of the packet that acquisition node generates is that head is that the magnitude of physical quantity time corresponding of gathering is stabbed, and the back is the magnitude of physical quantity of gathering.Timestamp represents that the magnitude of physical quantity in this bag is moment with timestamp to begin to gather.Acquisition node is sent to the mib520 base station with the wireless device of packet by wireless 2.4GHz.The base station links to each other with computing machine by serial ports.The topological structure of the monitor supervision platform of computer run between can monitoring data collection circle node, the i.e. transmission path of acquisition node data.Can monitor the magnitude of physical quantity waveform that each acquisition node is gathered.And (Structured Query Language, SQL) SQL database are used for inquiry in the future the data classification can be deposited in Structured Query Language (SQL).The concrete scheme of monitor supervision platform can be used VC++ for: program and write, serial data is after serial ports imports into, (this event is known event in the computer realm to OnComm () event in the trigger, there is not the concrete Chinese meaning), monitor supervision platform begins deal with data, because each character in the serial ports can trigger OnComm () event, in other words, before receiving the next packet that the base station sends, the processing data packets that must receive last time is finished.For guaranteeing processing speed, deposit the serial ports character unification of receiving in m_plistCSReceiveData chained list (this chained list is known chained list in the computer realm, does not have the concrete Chinese meaning).Can also set timer in the monitor supervision platform, the every 1ms of timer triggers once, and the event after the triggering has or not the packet that newly deposits in for detecting in the m_plistCSReceiveData chained list.Each packet that acquisition node sends is handled as data, the inside comprise in have the magnitude of physical quantity of gathering in the timestamp, packet of packet sender node identification information, destination node identification information, packet.Each bar flow chart of data processing is as follows:
One, monitor supervision platform is according to sender's node identification information and destination node identification information, it is known process software in the computer realm that 2 numbers are reportedly gone into m_pTopologyView(, do not have the concrete Chinese meaning) handle, the topological structure that demonstrates is principle with attractive in appearance, in the topology diagram, the vertical range between the node and horizontal range have the minor increment regulation.Can obtain 2 logical relations between acquisition node by above 2 data, popularization is come, and monitor supervision platform can be determined the logical relation of all nodes of radio sensing network by the packet of receiving, regulation is drawn the topological structure image on principle.
Two, to stab with acceleration X-axis in all kinds of Monitoring Data be example the monitor supervision platform processing time, in each bar data, wherein has 2 bytes to be set at data and indicate the position, in order to the unlabeled data type.Acceleration X-axis data indication of settable is C1, when receiving that the C1 data indicate the position, deposits timestamp in m_plistTimestampx chained list (this chained list is known chained list in the computer realm, does not have the concrete Chinese meaning), and linked list format is as follows:
Table 1:
| Acquisition node 1 | |
Acquisition node 3 | Acquisition node 4 | Acquisition node 5 |
| Timestamp 1 | Timestamp 1 | Timestamp 1 | Timestamp 1 | Timestamp 1 |
| |
|
|
|
|
| … | … | … | … | … |
Three, monitor supervision platform deposits the magnitude of physical quantity of acquisition node collection in m_plistNodeDataAccx chained list (this chained list is known chained list in the computer realm, does not have the concrete Chinese meaning), and this chained list is identical with the m_plistTimestamp form.
Four, in monitor supervision platform, set 1ms triggering timer once, (this function is known function in the computer realm to read DrawDataChartTickAccx () function, do not have the concrete Chinese meaning) rreturn value, be 1 as rreturn value, then expression can the drawing data curve.The required data of curve plotting are stored in m_plistSampleDataAccx.(this function is known function in the computer realm to DrawDataChartTickAccx () function, do not have the concrete Chinese meaning) in, at first obtain m_plistNodeDataAccx chained list head pointer, whether the next node that detects chained list then is empty, cycle detection.Algorithm in the circulation is: at first obtain the timestamp structure of m_plistTimestampx head, whether the narrTimestamp array that continues to stab detection time in the structure deposits i.e. 3 packets of 96 data of foot.Because each packet aligns by timestamp.As scheme to guarantee that sufficient data align.The back deposits m_plistSampleDataAccx wait drafting in according to the data of alignment.Also deposit in simultaneously in the list item corresponding in the database, be used for inquiry.Process flow diagram can be as shown in Figure 3.
Be apparatus of the present invention embodiment below, apparatus of the present invention embodiment is used for carrying out the method that the inventive method embodiment one to two realizes, for convenience of explanation, only shows the part relevant with the embodiment of the invention, concrete ins and outs do not disclose, and please refer to the embodiment of the invention one and embodiment two.
Fig. 6 is the structural representation of a kind of civil engineering works structure health monitoring system that provides of the embodiment of the invention, as shown in Figure 6, comprising: at least one acquisition node 61, timing node 62 and monitor supervision platform 63, wherein:
Acquisition node 61, the temporal information that is used for sending with described timing node 62 is that benchmark is gathered the physical quantity of civil engineering structure.
Above-mentioned at least one acquisition node 61 can be the different position that is distributed in civil engineering structure, with the health status of comprehensive monitoring to civil engineering structure.The above-mentioned temporal information that sends with timing node 62 is that benchmark is gathered the physical quantity of civil engineering structure, and the zero-time that the physical quantity of 61 pairs of carpenter's journeys of each acquisition node structure is gathered is the same with frequency acquisition.It is the information adjustment clock separately that each acquisition node 61 sends according to timing node 62, the clock of realizing each acquisition node 61 like this is identical, each acquisition node 61 begins the physical quantity of carpenter's journey structure is gathered with the time point that sets in advance again, thereby the zero-time that the physical quantity that reaches 61 pairs of carpenter's journeys of each acquisition node structure is gathered is identical, and frequency acquisition can be unified to set in advance.
Acquisition node 61, be used for to generate comprise gather magnitude of physical quantity and the packet of timestamp, described timestamp is used for the time that expression sends this packet, and by wireless described packet is sent to monitor supervision platform 63.
It is wherein, above-mentioned that described packet is sent to monitor supervision platform 63 specifically can be by wireless network described packet to be sent to monitor supervision platform 63 by wireless.Specifically can be that each acquisition node 61 generates a packet for each magnitude of physical quantity that collects, the packet with generation be sent to monitor supervision platform 63 again.Can directly be sent to monitor supervision platform 63 by wireless network when acquisition node 61 is sent to monitor supervision platform 63 with packet, can also be to utilize wireless network to be sent to monitor supervision platform 63 by other transfer acquisition node 61.For example: acquisition node A is sent to acquisition node B with the packet A of acquisition node A, and acquisition node B is sent to monitor supervision platform 63 with the packet B of data A and acquisition node B again.Perhaps can also be to be sent to monitor supervision platform 63 by a plurality of acquisition nodes 61.
Acquisition node 61 can be to compress and obtain above-mentioned packet collecting magnitude of physical quantity and timestamp, the identification information of all right acquisition node 61 of certain this packet and the identification information of monitor supervision platform 63, this packet just can arrive monitor supervision platform 63 smoothly in wireless network transmissions like this, and during the packet that monitor supervision platform 63 receives, the identification information of the acquisition node 61 that can also comprise by this packet obtains that this packet by which acquisition node 61 generates.
Acquisition node 61 can also be that packet is sent to the base station, is sent to monitor supervision platform 63 by the base station again.Be that described system can also comprise the base station.
Monitor supervision platform 63 is used for the magnitude of physical quantity that receives is alignd with timestamp, and the magnitude of physical quantity after the employing alignment and the magnitude of physical quantity time corresponding after the alignment are stabbed the data and curves that generates each described acquisition node 61; Wherein, the data and curves of described acquisition node 61 comprises magnitude of physical quantity and this magnitude of physical quantity time corresponding stamp information that this acquisition node is gathered, and the timestamp information that each described data and curves comprises is identical.
After monitor supervision platform 63 receives the packet of above-mentioned at least one acquisition node 61 transmission, these packets are resolved obtain magnitude of physical quantity and the timestamp that each packet comprises, these magnitudes of physical quantity are alignd with timestamp, the physical quantity of getting the identical time stamp of each acquisition node 61 again generates the data and curves of each acquisition node 61 again.For example: the packet that each acquisition node 61 that monitor supervision platform 63 receives sends is timestamp A alignment, namely at this time point of timestamp A, each acquisition node 61 has sent packet to monitor supervision platform 63, then monitor supervision platform 63 is that starting point is drawn with this time point just for the data and curves that each acquisition node 61 generates, and the data and curves that monitor supervision platform 63 is drawn for each acquisition node 61 can be real-time update, so just can guarantee that the timestamp that the data and curves of each acquisition node 61 comprises is identical.
Monitor supervision platform 63 can be distinguished according to sending the acquisition node 61 that generates this packet after receiving packet, being about to packet classifies, to obtain the packet that each acquisition node 61 generates, the resolution data bag obtains magnitude of physical quantity and the timestamp that packet comprises again, again magnitude of physical quantity is alignd according to timestamp, according to the magnitude of physical quantity after the alignment and the timestamp data and curves that generates each acquisition node 61.Specifically can be to set up a list item for each acquisition node 61, each list item be stored magnitude of physical quantity and the timestamp of this acquisition node 61, the magnitude of physical quantity in each list item is alignd according to timestamp again.Can be as shown in Figure 3, Fig. 3 only is illustrated with the physical quantity of two acquisition nodes 61, Fig. 3-1 expression monitor supervision platform 63 receives the packet of acquisition node A and acquisition node B, wherein, it is 2000 to 2100 that the magnitude of physical quantity time corresponding of acquisition node A is stabbed, and the time corresponding of the magnitude of physical quantity of acquisition node B stamp is 2050 to 2150, though the quantity of the magnitude of physical quantity of these two acquisition nodes 61 is identical, but it is different that these magnitude of physical quantity time corresponding are stabbed, do not stab if do not consider the magnitude of physical quantity time corresponding, the data and curves of Sheng Chenging can't accurately be the health status of expression civil engineering structure like this.Monitor supervision platform 63 just can align the magnitude of physical quantity of these two acquisition nodes 61 according to timestamp, namely obtaining magnitude of physical quantity shown in Fig. 3-2 and time corresponding stabs, because stabbing, the magnitude of physical quantity time corresponding of two acquisition nodes 61 all comprises timestamp 2050, so just can align by timestamp 2050, and because acquisition node A only comprises timestamp 2100 corresponding physical values, and acquisition node B comprises timestamp 2050 to timestamp 2150 corresponding physical values, be acquisition node A with identical magnitude of physical quantity that acquisition node B comprises be timestamp 2050 to timestamp 2100 corresponding physical values, monitor supervision platform 63 just utilizes the timestamp 2050 of acquisition node A and acquisition node B to generate the data and curves of acquisition node A and acquisition node B to timestamp 2100 corresponding physical values like this.
As a kind of optional embodiment, acquisition node 61 can also be used for receiving the temporal information that described timing node 62 sends, and adjusts the clock of this acquisition node 61 according to this temporal information;
Acquisition node 61 can also be used at the time point that sets in advance, and with the frequency acquisition that sets in advance the physical quantity of civil engineering structure is gathered.
Described temporal information can comprise a plurality of timestamps, and described acquisition node 61 also is used for adjusting according to a plurality of timestamps that this temporal information comprises the clock of this acquisition node 61, so that the clock of the clock of this acquisition node 61 and described timing node 62 is consistent.
Timing node 62 can be by wireless network to above-mentioned at least one acquisition node 61 transmission time information, when each acquisition node 61 receives this temporal information, just can adjust the clock of this acquisition node 61, be consistent with the clock that reaches each acquisition node 61.Wherein, above-mentioned temporal information specifically can be a plurality of timestamps, and namely timing node 62 sends a plurality of timestamps for above-mentioned each acquisition node 61.The clock of this acquisition node 61 of a plurality of update of time stamp that each acquisition node 61 sends according to timing node 62 again is consistent with the clock of the clock of realizing each acquisition node 61 and timing node 62.Prove by experiment when above-mentioned temporal information comprises 3 timestamps that the clock after each acquisition node 61 is adjusted and the clock of timing node 62 are the most identical.
As a kind of optional embodiment, the type of described physical quantity can comprise following at least one:
Acceleration, strain and temperature; Wherein, acceleration comprises the acceleration of first direction, the acceleration of second direction and the acceleration of third direction;
Described acquisition node 61 also be used for to generate comprise gather magnitude of physical quantity, the type information of this physical values and the packet of timestamp.It is the type information that each packet comprises the magnitude of physical quantity in this packet.It specifically can be the type information that adds this magnitude of physical quantity in the front of magnitude of physical quantity, for example: the type information that is used for this magnitude of physical quantity of expression in two bytes of the front of magnitude of physical quantity, as character " A " expression strain, character " B " expression temperature, the acceleration of character " C1 " expression first direction, the acceleration of character " C2 " expression second direction, the acceleration of character " C3 " expression third direction.When resolving packet, monitor supervision platform 63 receptions just can obtain the type of magnitude of physical quantity like this, type with the magnitude of physical quantity of the collection of distinguishing each acquisition node 61, namely obtain the magnitude of physical quantity of the different type of each acquisition node 61 collection, for example generate five sub-list items in the list item of each acquisition node 61, each sublist item is used for the magnitude of physical quantity of a type of storage.The data and curves of each acquisition node 61 of monitor supervision platform 63 generations just can comprise following at least one like this:
The data and curves of the data and curves of the data and curves of the data and curves of the acceleration of first direction, the acceleration of second direction, the acceleration of third direction, the data and curves of strain and temperature.Wherein, the data and curves of the same type of all acquisition nodes is positioned at same chart demonstration.The health status that can more clearly represent civil engineering structure like this.For example: can draw chart shown in Figure 4, wherein, comprise X-axis acceleration information curve in the chart shown in Figure 4, this X-axis acceleration information curve comprises the X-axis acceleration information curve of all acquisition nodes 61, so just can clearly show the acceleration of the X-direction of whole civil engineering structure, chart shown in Figure 4 can also comprise Y-axis acceleration information curve, Z axle acceleration data and curves chart, temperature data curve and strain data curve, wherein, Y-axis acceleration information curve, Z axle acceleration data and curves chart, the temperature data curve can be the same data and curves that can comprise all acquisition nodes 61 with X-axis acceleration information curve with the strain data curve.The man-machine health status that can clearly show whole civil engineering structure.
As a kind of optional embodiment, above-mentioned packet can also comprise:
The acquisition node 61 that generates described packet transfers to the transmission path information of monitor supervision platform 63.
Monitor supervision platform 63 can also be used for calculating according to the transmission path information that each packet comprises the topological structure of described at least one acquisition node 61.
Be that packet can also comprise the identification information of the acquisition node 61 that generates described packet, the identification information of monitor supervision platform 63, when the acquisition node 61 that generates described packet sends to monitor supervision platform 63 must transmit through other acquisition node 61 time with packet, this packet can also comprise the identification information of these acquisition nodes of transmitting this packet 61.For example: when the packets need process acquisition node B that acquisition node A generates and the forwarding of acquisition node C just can be sent to monitor supervision platform 63, the packet that acquisition node A generates comprises the identification information of acquisition node A and the identification information of monitor supervision platform 63, be source identification information and purpose identification information, when acquisition node B receives this packet, the identification information of the A that comprises by this packet and the identification information of monitor supervision platform 63, just can know that this packet sends to monitor supervision platform 63, acquisition node B just can increase the identification information of acquisition node B and the identification information of acquisition node C at this packet, again this packet is sent to acquisition node C, acquisition node C just can be sent to this packet monitor supervision platform 63, monitor supervision platform 63 just can obtain acquisition node A to the transmission path of monitor supervision platform 63 by above-mentioned identification information after receiving this packet, and acquisition node B and acquisition node C be to the path of monitor supervision platform 63, thereby can calculate acquisition node A, the topological structure of acquisition node B and acquisition node C.In like manner, monitor supervision platform 63 can also obtain the topological structure of other acquisition node 61, so just can obtain the topological structure of the acquisition node 61 of all monitoring civil engineering structures.Monitor supervision platform 63 is managed acquisition node 61 better by the topological structure that calculates like this, and opens up the local health status that structure more clearly reflects civil engineering structure by this.For example: when which acquisition node 61 failed that packet is sent to monitor supervision platform 63, monitor supervision platform 63 found fault collection node 61 by the topological structure that calculates.
Above-mentioned civil engineering works structure health monitoring system has line monitoring system to compare wireless monitor system to be convenient to install with traditional.Acquisition node 61(is for example: the wireless senser monitor node) belong to intelligence sensor node, comparing traditional wired sensor has freedom more in monitoring scheme, data analysis.The sensor node that for example can design in the sensor program specified portions zone is formed mininet, and the data of gathering are sent to monitor supervision platform with net result after its regional area operational analysis.And can settle wireless senser for a long time in by geodesic structure, do not influence the normal use of structure.Along with the continuous development of electronic product, the wireless senser volume is more and more littler, can measure a plurality of parameters on the wireless senser, for example: strain, temperature, illumination, displacement, acceleration etc.Below all be wired health monitoring can not compare.
In the technique scheme, acquisition node sends packet by wireless mode to monitor supervision platform, and this monitor supervision platform is the packet that can receive that a plurality of acquisition nodes send, monitor supervision platform is according to magnitude of physical quantity and timestamp in the packet of these a plurality of acquisition nodes transmissions, generation comprises the healthy synoptic diagram of described civil engineering structure of the data and curves of a plurality of acquisition nodes, thereby obtains the health status of civil engineering structure.In civil engineering structure, do not need to arrange circuit like this, and can analyze the data of a plurality of acquisition node collections, thereby realization reduces the cost of the health status of monitoring civil engineering structure.
One of ordinary skill in the art will appreciate that all or part of flow process that realizes in above-described embodiment method, be to instruct relevant hardware to finish by computer program, described program can be stored in the computer read/write memory medium, this program can comprise the flow process as the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be magnetic disc, CD, read-only storage memory body (Read-Only Memory, ROM) or random access memory (Random Access Memory is called for short RAM) etc.
Above disclosed is preferred embodiment of the present invention only, can not limit the present invention's interest field certainly with this, and therefore the equivalent variations of doing according to claim of the present invention still belongs to the scope that the present invention is contained.
Claims (10)
1. a civil engineering works structure health monitoring method is characterized in that, comprising:
At least one acquisition node is that benchmark is gathered the physical quantity of civil engineering structure respectively with the temporal information that timing node sends;
Described at least one acquisition node generate comprise gather magnitude of physical quantity and the packet of timestamp, described timestamp is used for the time that expression sends this packet, and by wireless described packet is sent to monitor supervision platform;
Described monitor supervision platform aligns the magnitude of physical quantity that receives with timestamp, the magnitude of physical quantity after the employing alignment and the magnitude of physical quantity time corresponding after the alignment are stabbed the data and curves that generates each described acquisition node; Wherein, the data and curves of described acquisition node comprises magnitude of physical quantity and this magnitude of physical quantity time corresponding stamp information that this acquisition node is gathered, and the timestamp information that each described data and curves comprises is identical.
2. the method for claim 1 is characterized in that, described at least one acquisition node is that described method also comprised before benchmark was gathered the physical quantity of civil engineering structure with the temporal information that timing node sends:
Described at least one acquisition node receives the temporal information that described timing node sends, and each described acquisition node is adjusted the clock of this acquisition node according to this temporal information;
Described at least one acquisition node is that benchmark is gathered the physical quantity of civil engineering structure with the temporal information that timing node sends, and comprising:
Described at least one acquisition node is gathered the physical quantity of civil engineering structure with the frequency acquisition that sets in advance at the time point that sets in advance.
3. method as claimed in claim 2 is characterized in that, described temporal information comprises a plurality of timestamps, states acquisition node and adjusts the clock of this acquisition node according to this temporal information, comprising:
A plurality of timestamps that described acquisition node comprises according to this temporal information are adjusted the clock of this acquisition node, so that the clock of the clock of this acquisition node and described timing node is consistent.
4. as each described method among the claim 1-3, it is characterized in that the type of described physical quantity comprises following at least one:
Acceleration, strain and temperature; Wherein, acceleration comprises the acceleration of first direction, the acceleration of second direction and the acceleration of third direction;
Described at least one acquisition node generate comprise gather magnitude of physical quantity and the packet of timestamp, comprising:
Described at least one acquisition node generate comprise gather magnitude of physical quantity, the type information of this physical values and the packet of timestamp;
The data and curves of described acquisition node comprises following at least one:
The data and curves of the data and curves of the data and curves of the data and curves of the acceleration of first direction, the acceleration of second direction, the acceleration of third direction, the data and curves of strain and temperature;
Wherein, the data and curves of the same type of all acquisition nodes is positioned at same chart demonstration.
5. as each described method among the claim 1-3, it is characterized in that described packet also comprises:
The acquisition node that generates described packet transfers to the transmission path information of monitor supervision platform;
Described at least one acquisition node is sent to described packet after the monitor supervision platform by wireless, and described method also comprises:
The transmission path information that described monitor supervision platform comprises according to each packet calculates the topological structure of described at least one acquisition node.
6. a civil engineering works structure health monitoring system is characterized in that, comprising: at least one acquisition node, timing node and monitor supervision platform, wherein:
Described acquisition node, the temporal information that is used for sending with described timing node is that benchmark is gathered the physical quantity of civil engineering structure;
Described acquisition node, be used for to generate comprise gather magnitude of physical quantity and the packet of timestamp, described timestamp is used for the time that expression sends this packet, and by wireless described packet is sent to monitor supervision platform;
Described monitor supervision platform is used for the magnitude of physical quantity that receives is alignd with timestamp, and the magnitude of physical quantity after the employing alignment and the magnitude of physical quantity time corresponding after the alignment are stabbed the data and curves that generates each described acquisition node; Wherein, the data and curves of described acquisition node comprises magnitude of physical quantity and this magnitude of physical quantity time corresponding stamp information that this acquisition node is gathered, and the timestamp information that each described data and curves comprises is identical.
7. system as claimed in claim 6 is characterized in that, described acquisition node also is used for receiving the temporal information that described timing node sends, and adjusts the clock of this acquisition node according to this temporal information;
Described acquisition node also is used at the time point that sets in advance, and with the frequency acquisition that sets in advance the physical quantity of civil engineering structure is gathered.
8. system as claimed in claim 7, it is characterized in that, described temporal information comprises a plurality of timestamps, described acquisition node also is used for adjusting according to a plurality of timestamps that this temporal information comprises the clock of this acquisition node, so that the clock of the clock of this acquisition node and described timing node is consistent.
9. as each described system among the claim 6-8, it is characterized in that the type of described physical quantity comprises following at least one:
Acceleration, strain and temperature; Wherein, acceleration comprises the acceleration of first direction, the acceleration of second direction and the acceleration of third direction;
Described acquisition node also be used for to generate comprise gather magnitude of physical quantity, the type information of this physical values and the packet of timestamp;
The data and curves of described acquisition node comprises following at least one:
The data and curves of the data and curves of the data and curves of the data and curves of the acceleration of first direction, the acceleration of second direction, the acceleration of third direction, the data and curves of strain and temperature;
Wherein, the data and curves of the same type of all acquisition nodes is positioned at same chart demonstration.
10. as each described system among the claim 6-8, it is characterized in that described packet also comprises:
The acquisition node that generates described packet transfers to the transmission path information of monitor supervision platform;
Described monitor supervision platform also is used for calculating according to the transmission path information that each packet comprises the topological structure of described at least one acquisition node.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106908101A (en) * | 2017-03-17 | 2017-06-30 | 塔里木大学 | A kind of Health Monitoring for Civil Engineering system and method |
| CN108038301A (en) * | 2017-11-29 | 2018-05-15 | 山东工商学院 | A kind of civil engineering work monitors system |
| CN110275496A (en) * | 2019-05-14 | 2019-09-24 | 清华大学 | A kind of method and apparatus of more time series timestamp alignment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101262330A (en) * | 2008-03-05 | 2008-09-10 | 中科院嘉兴中心微系统所分中心 | A quick high-precision time synchronization method for wireless sensor network with belt feature |
| CN101267291A (en) * | 2008-02-26 | 2008-09-17 | 北京必创科技有限公司 | Method, wireless sensor network system and synchronization device for realizing synchronization collection |
| CN101355575A (en) * | 2008-09-04 | 2009-01-28 | 上海交通大学 | System and method for monitoring civil engineering strained base on CAN network |
| CN101778405A (en) * | 2010-01-05 | 2010-07-14 | 武汉理工大学 | Method and system for synchronous acquisition of wireless sensor network for structural health monitoring |
-
2013
- 2013-06-08 CN CN201310227573.3A patent/CN103337146B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101267291A (en) * | 2008-02-26 | 2008-09-17 | 北京必创科技有限公司 | Method, wireless sensor network system and synchronization device for realizing synchronization collection |
| CN101262330A (en) * | 2008-03-05 | 2008-09-10 | 中科院嘉兴中心微系统所分中心 | A quick high-precision time synchronization method for wireless sensor network with belt feature |
| CN101355575A (en) * | 2008-09-04 | 2009-01-28 | 上海交通大学 | System and method for monitoring civil engineering strained base on CAN network |
| CN101778405A (en) * | 2010-01-05 | 2010-07-14 | 武汉理工大学 | Method and system for synchronous acquisition of wireless sensor network for structural health monitoring |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106908101A (en) * | 2017-03-17 | 2017-06-30 | 塔里木大学 | A kind of Health Monitoring for Civil Engineering system and method |
| CN108038301A (en) * | 2017-11-29 | 2018-05-15 | 山东工商学院 | A kind of civil engineering work monitors system |
| CN110275496A (en) * | 2019-05-14 | 2019-09-24 | 清华大学 | A kind of method and apparatus of more time series timestamp alignment |
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|---|---|
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