CN117478502B - Dual positioning system and method - Google Patents
Dual positioning system and method Download PDFInfo
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- CN117478502B CN117478502B CN202311811784.1A CN202311811784A CN117478502B CN 117478502 B CN117478502 B CN 117478502B CN 202311811784 A CN202311811784 A CN 202311811784A CN 117478502 B CN117478502 B CN 117478502B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2801—Broadband local area networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/22—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks comprising specially adapted graphical user interfaces [GUI]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/10—Packet switching elements characterised by the switching fabric construction
- H04L49/111—Switch interfaces, e.g. port details
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/30—Peripheral units, e.g. input or output ports
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/50—Address allocation
- H04L61/5007—Internet protocol [IP] addresses
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- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H04L2101/60—Types of network addresses
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- H04L2101/69—Types of network addresses using geographic information, e.g. room number
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention belongs to the technical field of underwater node positioning, and particularly discloses a dual positioning system and a dual positioning method. The system comprises a host system, a network switch, a relay module, a submarine node and upper computer software; the submarine node comprises a main control micro-control unit, an auxiliary micro-control unit, a network chip and a serial port chip; the method comprises network positioning and serial port positioning, wherein the network positioning firstly configures different IP addresses for different modules in a system, then constructs a virtual interface, inputs the IP addresses of a network switch and a relay module in the virtual interface to realize matching, and then realizes network positioning by comparing a network port number with the virtual port number; and the serial port positioning is to package and send the serial port number corresponding to the relay module and the IP address of the submarine node to the upper computer software to match with the corresponding virtual port. The invention can locate the submarine node in the working state, the dormant state or the fault state in real time.
Description
Technical Field
The invention belongs to the technical field of underwater node positioning, and particularly relates to a dual positioning system and method.
Background
The marine oil and gas exploration technology has high requirements and great operation difficulty, and needs to develop a broadband high-resolution seismic acquisition processing technology, so that the resolution and the signal to noise ratio of a seismic section are improved, the reliability of target evaluation is improved, and the drilling risk is reduced. In order to improve the exploration accuracy, the acquisition instrument needs to be developed to a higher coverage density and a larger number of tracks. An OBN (Ocean Bottom Node, subsea node) is a multicomponent seismograph located on the sea floor that can independently acquire and record seismic signals. The method has the characteristics of wide azimuth, high coverage, high construction efficiency, multi-component recording, strong feasibility of complex terrain and the like, and is a mainstream method for current marine seismic acquisition.
Before the submarine nodes are launched, performance test, charging, clock timing and calibration are firstly carried out on the OBNs, then the independent nodes are connected in series according to the installation sequence by utilizing an underwater robot or a steel cable, are sunk to the seabed, are combined with a seismic source ship to carry out seismic acquisition work, receive seismic waves, and finally the OBNs are recovered to the deck of the ship, and data are downloaded, processed and interpreted. The performance test, charging, time service and data downloading of the submarine nodes are all realized by connecting a plurality of charging time service meters through a network cable of a host system, each charging time service meter is connected with eight submarine nodes, and one set of host controls hundreds of submarine nodes. The host system is arranged in the instrument cabin, and the charging time service instrument and the submarine node are arranged on the deck far away from the host system. And an operator tests hundreds of submarine nodes through upper computer software on a host system, after the test is finished, the submarine nodes are arranged on the seabed, and if the submarine nodes have faults, the positions of the submarine nodes need to be locked rapidly. The current common positioning scheme is network positioning, such as the positioning method described in the Chinese patent of the patent with the issued publication number of CN100574182C, but the method can only be positioned when the node network port works normally, once the submarine node network port fails or is in a dormant state, the specific position of the node acquisition station can not be positioned, a great deal of time and manpower are required to find the specific position of the target node in hundreds of nodes on the rear deck, and great trouble is caused to the construction of the ocean node.
Disclosure of Invention
In order to solve the defects in the prior art, the invention aims to provide a dual positioning system, which is used for realizing the positioning of the submarine nodes in the working state, the dormant state or the fault state by the upper computer system, quickly determining the positions of the submarine nodes and improving the efficiency of searching the target nodes.
The invention also aims to provide a double positioning method which needs to be realized by adopting the double positioning system, and the method can position the submarine node in the working state, the dormant state and the fault state, so that a great deal of time and labor are saved for searching the position of the target node, and the construction efficiency of the submarine node is greatly improved.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
a dual positioning system comprises a host system, an A network switch, an A relay module and B submarine nodes, wherein host system is provided with upper computer software, A is more than or equal to 1, B is more than or equal to 2 and B is more than or equal to A;
the host system, the A network exchanger, the A relay module and the B submarine nodes form a local area network; the A network switch and the A relay module are paired one by one according to respective IP addresses to form A group combination when in use, and each group combination consists of one network switch and one relay module;
the upper computer software is used for inputting the IP address of the network switch and the IP address of the relay module, and constructing a virtual position display interface, wherein the virtual position display interface comprises N virtual ports; each network switch is provided with M network ports, and each relay module is provided with N serial ports, wherein M is greater than N; the host system is in communication connection with a network port of the network switch through a network port; the network port of the network switch is in communication connection with the serial port of the relay module;
the submarine node comprises a main control micro-control unit, an auxiliary micro-control unit, a network chip and a serial port chip; the main control micro control unit is used for network communication, and the auxiliary micro control unit is used for actively reading the IP address in the main control micro control unit and controlling the dormancy or the starting of the submarine node; the main control micro control unit is in communication connection with a network port of the network switch through a network chip, and the auxiliary micro control unit is in communication connection with a serial port of the relay module through a serial port chip; the main control micro control unit of the same submarine node is connected with the mth network port of the network switch in the group a, and the auxiliary micro control unit is connected with the mth serial port of the relay module in the group a, wherein a[1，A]，m[1，N]。
By way of limitation, the dual positioning system further comprises an A cabinet, and the A group combination is arranged in the A cabinet in a one-to-one correspondence.
The invention also discloses a double positioning method, which comprises network positioning and serial port positioning;
before network positioning or serial port positioning, firstly performing a configuration process, wherein the configuration process comprises the following steps in sequence:
s1, setting host IP addresses for host systems provided with upper computer software, respectively setting IP addresses for network switches of A stations, respectively setting IP addresses for relay modules of A stations, respectively setting submarine node IP addresses for main control micro control units of B submarine nodes, and simultaneously respectively setting submarine node MAC addresses for B submarine nodes;
s2, constructing A virtual position display interfaces in upper computer software of the host system in the step S1, wherein each virtual position display interface comprises N virtual ports;
s3, inputting the IP address of the A network switch and the IP address of the A relay module in the virtual position display interface, searching all IP addresses in the local area network by the upper computer software, and matching, associating and pairing the IP addresses of the network switch and the relay module belonging to the same group to form a group A combination;
after configuration is finished, one positioning mode is arbitrarily selected from network positioning and serial port positioning, and the other positioning mode is continuously executed after successful execution or failure execution;
the network positioning comprises the following steps in sequence:
m1, all submarine nodes broadcast the corresponding IP addresses outwards through a network switch by adopting a user datagram protocol UDP, and a host system monitors the user datagram protocol to obtain all the submarine nodes broadcasted and establishes connection with all the submarine nodes through TCP/IP;
after the connection between the host system and all the submarine nodes is established, the upper computer software asks all the submarine nodes for the MAC address corresponding to each submarine node, and simultaneously, the upper computer software accesses the MAC address table of the network switch connected with the submarine nodes, reads the MAC address corresponding to each port number on the MAC address table, and thus obtains the network port number of the network switch matched with the MAC address of each submarine node;
m3, according to the steps M1 and M2, the upper computer software correlates the IP address of each submarine node with the port number of the network switch corresponding to the submarine node to obtain correlated address information, determines the position of the virtual port according to the port number, and places the submarine node into the virtual port corresponding to the virtual position display interface to realize network positioning; if the network positioning identifier is displayed in the virtual port corresponding to the virtual position display interface, the network positioning is proved to be successful; if the network positioning identification is not displayed in the virtual port corresponding to the virtual position display interface, the network positioning failure is proved;
the serial port positioning comprises the following steps in sequence:
p1, the submarine node auxiliary micro control unit accesses the relay module through the serial port chip and sends the IP address of the submarine node to the relay module;
p2, the relay module packages and uploads the serial number of the relay module and the IP address of the submarine node to the upper computer software;
p3, the upper computer software reads the serial number of the relay module, searches all IP addresses in the local area network, finds out the submarine node consistent with the IP address in the step P2, and puts the submarine node into a virtual port corresponding to the serial number of the relay module on the virtual position display interface to realize serial port positioning; if the serial port positioning identification is displayed in the virtual port corresponding to the virtual position display interface, the serial port positioning is proved to be successful; if the serial port positioning identification is not displayed in the virtual port corresponding to the virtual position display interface, the serial port positioning failure is proved.
As a limitation, the auxiliary micro control unit of the submarine node actively reads the IP address of the submarine node in the main control micro control unit before step P1.
As a second limitation, each virtual location display interface in step S2 further includes a virtual cabinet.
As a further limitation, in step S3, each group of combinations corresponds to a virtual cabinet.
By adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects:
(1) The system can realize positioning in the working state, the dormant state and the fault state of the submarine node, and can position the submarine node in time after losing network positioning or serial port positioning, so as to find out the fault reason;
(2) The method can locate the position of the submarine node in the working state, the dormant state and the fault state, avoid spending a great deal of time and manpower to search the position of the target node, and greatly improve the construction efficiency of the submarine node.
In summary, the invention can realize real-time positioning of the submarine node in any one of the working state, the dormant state and the fault state.
Drawings
The invention will be described in more detail below with reference to the accompanying drawings and specific examples.
FIG. 1 is a schematic block diagram of the overall structure of a system according to embodiment 1 of the present invention;
FIG. 2 is a flow chart of a configuration process method according to embodiment 2 of the present invention;
FIG. 3 is a flowchart of a network positioning method according to embodiment 2 of the present invention;
FIG. 4 is a flow chart of a serial port positioning method according to embodiment 2 of the present invention;
in the figure, 101, a virtual position display interface, 102, a cabinet, 103, a network switch, 104, a relay module, 105 and a submarine node.
Detailed Description
For a better explanation of the present invention, preferred embodiments of the present invention will be described in detail below by way of specific embodiments with reference to the accompanying drawings.
Example 1A Dual positioning System
As shown in fig. 1, the present embodiment includes a host system, an a-stage network switch 103, an a-stage relay module 104, B-stage subsea nodes 105, and a cabinet; the host system is provided with upper computer software, wherein A is more than or equal to 1, B is more than or equal to 2 and B is more than or equal to A; the host system, the a-stage network switch 103, the a-stage relay module 104, and the B-stage subsea nodes 105 constitute a local area network.
The A network switch 103 and the A relay module 104 are paired one by one according to respective IP addresses to form A group combination when in use, and each group combination consists of one network switch 103 and one relay module 104; the upper computer software is used for inputting the IP address of the network switch 103 and the IP address of the relay module 104, dividing the network switch 103 and the IP address of the relay module 104 into a group according to the IP addresses of the network switch 103 and the relay module 104 and pairing the network switch 103 and the relay module with the corresponding cabinet, and constructing the virtual position display interface 101 by the upper computer software, wherein the virtual position display interface 101 comprises N virtual ports; each network switch 103 is provided with M network ports, and each relay module 104 is provided with N serial ports, wherein M is greater than N; the host system is in communication connection with a network port of the network switch 103 through a network port; the network ports of the network switch 103 are communicatively coupled to the serial ports of the trunk module 104.
The submarine node comprises a main control micro-control unit, an auxiliary micro-control unit, a network chip and a serial port chip; the main control micro control unit is used for network communication, and the auxiliary micro control unit is used for actively reading the IP address in the main control micro control unit and controlling the dormancy or the starting of the submarine node; the main control micro control unit is in communication connection with a network port of the network switch 103 through a network chip, and the auxiliary micro control unit is in communication connection with a serial port of the relay module 104 through a serial port chip; the main control micro control unit of the same submarine node is connected with the mth network port of the network switch 103 in the group a combination, and the auxiliary micro control unit is connected with the mth serial port of the relay module 104 in the group a combination, wherein a[1，A]，m[1，N]。
For clarity and brevity of description of the present embodiment, the connection relationship between the modules is shown only in fig. 1, which shows one virtual location display interface 101, one network switch 103, one trunk module 104, one submarine node 105, and a cabinet 102 having the network switch 103 and the trunk module 104 inside. The network switch 103 and the relay module 104 are paired into a group based on the IP address of the network switch 103 and the IP address of the relay module 104. The network switch 103 is provided with eight network ports, each corresponding to a number, and the relay module 104 is provided with a network port and six serial ports, each corresponding to a number.
The upper computer software is used for inputting the IP address of the network switch 103 and the IP address of the relay module 104, constructing a virtual position display interface 101, wherein the virtual position display interface 101 comprises a virtual cabinet and six virtual ports arranged in the virtual cabinet, each port corresponds to a number, and the host system is in communication connection with the network port 8 of the network switch 103 through a network port; the network port 7 of the network switch 103 is communicatively connected to the network port of the relay module 104.
The main control micro control unit of the submarine node 105 is in communication connection with the network port 1 of the network switch 103 through the network chip, and the auxiliary micro control unit is in communication connection with the serial port 1 of the relay module 104 through the serial port chip.
The manufacturer model of the network switch adopted in the embodiment is the Hui-Gu HG800; the relay module uses a singlechip capable of supporting 8 serial ports, each serial port is provided with a group of RS485 serial port chips, and the model of the singlechip adopted in the embodiment is STM32F429.
Example 2A Dual positioning method
The present embodiment provides a dual positioning method, which needs to be implemented by the dual positioning device in embodiment 1. The dual positioning method in the embodiment comprises a network positioning method and a serial port positioning method;
before network positioning or serial port positioning, firstly performing a configuration process, wherein the configuration process comprises the following steps in sequence:
s1, setting host IP addresses for host systems provided with upper computer software, respectively setting IP addresses for network switches of A stations, respectively setting IP addresses for relay modules of A stations, respectively setting submarine node IP addresses for main control micro control units of B submarine nodes, and simultaneously respectively setting submarine node MAC addresses for B submarine nodes. In this embodiment, taking a host system, a network switch, a relay module and a submarine node as an example, setting the IP address of the host as 150.150.254.254, writing the IP address of the submarine node into the submarine node master control micro control unit as 150.150.1.100, the mac address as 10:10:10:1a:1a, setting the IP address of the network switch in the cabinet as 150.150.254.1, and setting the IP address of the relay module as 150.150.253.1;
s2, constructing a virtual position display interface in upper computer software of the host system in the step S1, wherein the virtual position display interface comprises a virtual cabinet and six virtual ports;
s3, inputting the IP addresses of the network switches and the IP addresses of the relay modules in the virtual position display interface, searching all IP addresses in the local area network by the upper computer software, and matching, associating and pairing the IP addresses of the network switches and the relay modules belonging to the same group of cabinets with the cabinets; in this embodiment, the IP address of the network switch is 150.150.254.1, the IP address of the relay module is 150.150.253.1, and the upper computer software determines that the network switch and the relay module belong to the cabinet 1 through judgment, and performs matching association with the network switch and the relay module belonging to the cabinet 1 to form a group.
After the configuration process is completed, network positioning is performed first in this embodiment.
As shown in fig. 3, the network positioning method includes the following steps performed in order:
m1, all submarine nodes broadcast the corresponding IP addresses outwards through a network switch by adopting a user datagram protocol UDP, and a host system monitors the user datagram protocol to obtain all the submarine nodes broadcasted and establishes connection with all the submarine nodes through TCP/IP; in the embodiment, the host system establishes connection with the submarine node with the IP address of 150.150.1.100;
after the connection between the host system and all the submarine nodes is established, the upper computer software requests the MAC address corresponding to each submarine node to all the submarine nodes, and simultaneously accesses the MAC address table of the network switch connected with the submarine nodes, reads the MAC address corresponding to each port number on the MAC address table, and thus obtains the network port number of the network switch matched with the MAC address of each submarine node; in this embodiment, the upper computer software requests the MAC address 10 bound to the submarine node with the IP address 150.150.1.100: 10:10:1A:1A:1A, obtaining a port number 1 corresponding to the MAC address through an MAC address table of a network switch;
m3, according to the steps M1 and M2, the upper computer software correlates the IP address of each submarine node with the port number of the network switch corresponding to the submarine node to obtain correlated address information, determines the position of the virtual port according to the port number, and places the submarine node into the virtual port corresponding to the virtual position display interface to realize network positioning; in this embodiment, after associating the IP address of the submarine node with the corresponding network switch, obtaining address information 1.150.150.1.100 after associating, determining a virtual port 1 in the display interface of the corresponding virtual location according to the obtained port number 1, placing the submarine node into the virtual port 1, implementing network positioning, and after implementing network positioning, continuing to perform serial port positioning; when a main control micro control unit or a network chip of the submarine node fails, the network positioning fails, but the serial port positioning can still be continuously executed; if the network positioning identifier is displayed in the virtual port corresponding to the virtual position display interface, the network positioning is proved to be successful; if the network positioning identification is not displayed in the virtual port corresponding to the virtual position display interface, the network positioning failure is proved.
As shown in fig. 4, the serial port positioning method includes the following steps performed in sequence:
p1, an auxiliary micro-control unit of the submarine node actively reads an IP address 150.150.1.100 of the submarine node in the main control micro-control unit, the submarine node main control micro-control unit can be awakened in the reading process, the submarine node auxiliary micro-control unit accesses a relay module in a cabinet through a serial port chip, and the IP address 150.150.1.100 of the submarine node is sent to the relay module;
p2, the relay module packs and uploads the own serial number 1 and the submarine node IP address 150.150.1.100 to the upper computer software;
p3, the upper computer software reads the serial number 1 of the relay module, searches all IP addresses in the local area network, finds out the submarine node 150.150.1.100 consistent with the IP address in the step P2, and puts the submarine node 150.150.1.100 into the virtual port 1 corresponding to the serial number of the relay module on the virtual position display interface to realize serial port positioning; if the serial port positioning identification is displayed in the virtual port corresponding to the virtual position display interface, the serial port positioning is proved to be successful; if the serial port positioning identification is not displayed in the virtual port corresponding to the virtual position display interface, the serial port positioning failure is proved.
If the submarine node has no fault, the network positioning and the serial port positioning identification are reflected in the virtual position display interface, if the virtual position display interface only displays the network positioning identification, the serial port positioning is not successfully executed, and if the virtual position display interface only displays the serial port positioning identification, the network positioning is not successfully executed, and the above two conditions indicate that the submarine node has the fault, and a worker is required to find the corresponding submarine node to further check the submarine node and check the fault. After the faults of the submarine nodes are detected, the submarine nodes are reconnected with the network switch and the relay module, and when the network positioning and serial port positioning identifiers are displayed in the virtual position display interface, the submarine nodes are indicated to be normal in state, and the connection between the submarine nodes and the network switch and the relay module can be disconnected and arranged on the seabed for use.
Example 3 Dual positioning method
The present embodiment provides a dual positioning method, which needs to be implemented by the dual positioning device in embodiment 1. The dual positioning method in the embodiment comprises a network positioning method and a serial port positioning method;
the configuration procedure is first performed before network positioning or serial port positioning, and the configuration procedure is the same as in embodiment 2.
After the configuration process is completed, in this embodiment, serial port positioning is performed first.
The serial port positioning method is the same as that in the embodiment 2, and after the serial port positioning is executed, the network positioning is continuously executed; when the auxiliary micro control unit or the serial port chip of the submarine node fails, the serial port positioning fails, but the network positioning can still be continuously performed, and the network positioning method is the same as that in the embodiment 2.
Claims (4)
1. The double positioning method is characterized by being realized by adopting a double positioning system, wherein the double positioning system comprises a host system, an A network switch, an A relay module and B submarine nodes, and host system is provided with upper computer software, wherein A is more than or equal to 1, B is more than or equal to 2 and B is more than or equal to A;
the host system, the A network exchanger, the A relay module and the B submarine nodes form a local area network; the A network switch and the A relay module are paired one by one according to respective IP addresses to form A group combination when in use, and each group combination consists of one network switch and one relay module;
the upper computer software is used for inputting the IP address of the network switch and the IP address of the relay module, and constructing a virtual position display interface, wherein the virtual position display interface comprises N virtual ports; each network switch is provided with M network ports, and each relay module is provided with N serial ports, wherein M is greater than N; the host system is in communication connection with a network port of the network switch through a network port; the network port of the network switch is in communication connection with the serial port of the relay module;
the submarine node comprises a main control micro-control unit, an auxiliary micro-control unit, a network chip and a serial port chip; the main control micro control unit is used for network communication, and the auxiliary micro control unit is used for actively reading the IP address in the main control micro control unit and controlling the dormancy or the starting of the submarine node; the main control micro control unit is in communication connection with a network port of the network switch through a network chip, and the auxiliary micro control unit is in communication connection with a serial port of the relay module through a serial port chip; the main control micro control unit of the same submarine node is connected with the mth network port of the network switch in the group a, and the auxiliary micro control unit is connected with the mth serial port of the relay module in the group a, wherein a[1，A]，m/>[1，N]；
The dual positioning method comprises network positioning and serial port positioning;
before network positioning or serial port positioning, firstly performing a configuration process, wherein the configuration process comprises the following steps in sequence:
s1, setting host IP addresses for host systems provided with upper computer software, respectively setting IP addresses for network switches of A stations, respectively setting IP addresses for relay modules of A stations, respectively setting submarine node IP addresses for main control micro control units of B submarine nodes, and simultaneously respectively setting submarine node MAC addresses for B submarine nodes;
s2, constructing A virtual position display interfaces in upper computer software of the host system in the step S1, wherein each virtual position display interface comprises N virtual ports;
s3, inputting the IP address of the A network switch and the IP address of the A relay module in the virtual position display interface, searching all IP addresses in the local area network by the upper computer software, and matching, associating and pairing the IP addresses of the network switch and the relay module belonging to the same group to form a group A combination;
after configuration is finished, one positioning mode is arbitrarily selected from network positioning and serial port positioning, and the other positioning mode is continuously executed after successful execution or failure execution;
the network positioning comprises the following steps in sequence:
m1, all submarine nodes broadcast the corresponding IP addresses outwards through a network switch by adopting a user datagram protocol UDP, and a host system monitors the user datagram protocol to obtain all the submarine nodes broadcasted and establishes connection with all the submarine nodes through TCP/IP;
after the connection between the host system and all the submarine nodes is established, the upper computer software asks all the submarine nodes for the MAC address corresponding to each submarine node, and simultaneously, the upper computer software accesses the MAC address table of the network switch connected with the submarine nodes, reads the MAC address corresponding to each port number on the MAC address table, and thus obtains the network port number of the network switch matched with the MAC address of each submarine node;
m3, according to the steps M1 and M2, the upper computer software correlates the IP address of each submarine node with the port number of the network switch corresponding to the submarine node to obtain correlated address information, determines the position of the virtual port according to the port number, and places the submarine node into the virtual port corresponding to the virtual position display interface to realize network positioning; if the network positioning identifier is displayed in the virtual port corresponding to the virtual position display interface, the network positioning is proved to be successful; if the network positioning identification is not displayed in the virtual port corresponding to the virtual position display interface, the network positioning failure is proved;
the serial port positioning comprises the following steps in sequence:
p1, the submarine node auxiliary micro control unit accesses the relay module through the serial port chip and sends the IP address of the submarine node to the relay module;
p2, the relay module packages and uploads the serial number of the relay module and the IP address of the submarine node to the upper computer software;
p3, the upper computer software reads the serial number of the relay module, searches all IP addresses in the local area network, finds out the submarine node consistent with the IP address in the step P2, and puts the submarine node into a virtual port corresponding to the serial number of the relay module on the virtual position display interface to realize serial port positioning; if the serial port positioning identification is displayed in the virtual port corresponding to the virtual position display interface, the serial port positioning is proved to be successful; if the serial port positioning identification is not displayed in the virtual port corresponding to the virtual position display interface, the serial port positioning failure is proved.
2. The dual positioning method according to claim 1, wherein the auxiliary micro control unit of the subsea node actively reads the IP address of the subsea node in the main control micro control unit before step P1.
3. The dual positioning method according to claim 1 or 2, wherein the dual positioning system further comprises a cabinet a, the group a is disposed in the cabinet a in a one-to-one correspondence, and each virtual position display interface in step S2 further comprises a virtual cabinet.
4. A dual positioning method according to claim 3, wherein each group of combinations in step S3 corresponds to a virtual cabinet.
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