CN114567591B - Power service route optimization method, device, terminal equipment and medium - Google Patents
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Abstract
The invention discloses a power service route optimization method, a device, terminal equipment and a medium, wherein the method comprises the following steps: constructing a power network communication link system according to the power communication network and the information acquisition network; establishing a network blocking rate evaluation model, and calculating the total bandwidth occupied by a used link in the power network communication link system; establishing an allocation evaluation model according to the calculation result, determining the allocation principle of each link and reallocating the links; and establishing a problem database according to the distribution result, and optimizing the establishment range and the density of the link nodes by using the problem database. The invention avoids the phenomena of unreasonable network allocation and resource waste caused by adopting a nearby principle, can ensure that bandwidth allowance is reserved for the whole network when the link is optimized, and avoids the problems of easy blocking and network collapse in the power communication network.
Description
Technical Field
The present invention relates to the field of power communications technologies, and in particular, to a power service route optimization method, apparatus, terminal device, and medium.
Background
With the rapid increase of the traffic volume of the automatic demand response, the uncertainty of the network data flow caused by the burstiness of the traffic causes the traffic to be very uneven, the network congestion possibly occurs in the process of the interaction of the automatic demand response information, and the service quality of the automatic demand response traffic is greatly influenced. In order to fully utilize the allocation capability of the communication network resources, effectively inhibit the power demand response communication network from being congested and balance the load in the network so as to improve the throughput of the communication network and the reliability of information interaction, it is necessary to reasonably optimize the power demand response communication network service distribution.
At present, the most common mode is to realize the problems of balancing load, restraining communication network congestion and the like by optimizing routes. However, in the existing working process of optimizing the route, an objective function is built by fusing time delay and bandwidth requirements, so that the optimal route is selected. Aiming at the optimal routing problem solving method under the multi-constraint condition, the traditional mode is to adopt a heuristic algorithm, such as a particle swarm algorithm, an ant colony algorithm and the like. However, these algorithms have some drawbacks, such as the particle swarm algorithm is prone to be locally optimized, which results in the algorithms being limited in practical application. The conventional routing algorithm often distributes a path with the smallest measurement parameter value for the power communication service as a route, the distribution method cannot meet the requirement of the power demand response service on the service quality, and the reliability of the communication network cannot be guaranteed. In addition, a routing algorithm which solves the optimal unicast path of a certain service singly and ignores the interaction with other services cannot well and uniformly distribute the services and optimize network resources.
Disclosure of Invention
The invention aims to provide a power service route optimization method, a device, terminal equipment and a readable medium, which are used for solving the problem of low accuracy of the existing power service route optimization result.
In order to achieve the above object, the present invention provides a power service route optimization method, including:
constructing a power network communication link system according to the power communication network and the information acquisition network;
establishing a network blocking rate evaluation model, and calculating the total bandwidth occupied by a used link in the power network communication link system;
establishing an allocation evaluation model according to the calculation result, determining the allocation principle of each link and reallocating the links;
and establishing a problem database according to the distribution result, and optimizing the establishment range and the density of the link nodes by using the problem database.
Further, preferably, the power communication network includes a device layer, a connection layer, and a main network layer;
chips for acquisition are arranged on each device of the device layer; an information collection system is arranged on each node of the connecting layer; the information acquisition network is arranged outside the power communication network.
Further, preferably, the establishing a network blocking rate evaluation model includes:
wherein N is X Representing link V X Actual occupied bandwidth, N, tested in an information collecting system X For link V x The actual occupied bandwidth tested in the information collecting system, O is the link blocking rate.
Further, preferably, the calculating the total bandwidth occupied by the links in use in the power network communication link system includes:
when F (V) X ,N X )<E/2, calculating the total bandwidth occupied by the used link;
when E/2 is less than or equal to F (V) X ,N X )<When 0.95E, calculating the bandwidth corresponding to the link with the highest bandwidth occupancy rate in the used links; wherein:
F(V X ,N X )＝N X *C；
E∈(20，50)；
wherein C is a constant, N X Representing link V X The actual occupied bandwidth tested in the information collection system, E is the total bandwidth after the power communication network is built.
Further, preferably, the establishing an allocation evaluation model according to the calculation result, determining the allocation principle of each link includes:
when O is in a first preset range, the corresponding link needs to be replaced;
when O is in the second preset range, the corresponding link does not need to be replaced.
Further, preferably, when the O is within the first preset range, the replacing the corresponding link is required, including:
when O is in a first preset range, changing the node closest to the equipment in the equipment layer into a second closest node, and calculating an O value;
and judging whether the O value is in a first preset range, if so, replacing a node link of the connection layer and calculating a corresponding O value until the current O value is in a second preset range, and marking a link corresponding to the equipment.
The invention also provides a power service route optimization device, which comprises:
the link system construction unit is used for constructing a power network communication link system according to the power communication network and the information acquisition network;
the evaluation model building unit is used for building a network blocking rate evaluation model and calculating the total bandwidth occupied by the links in use in the power network communication link system;
the link distribution unit is used for establishing a distribution evaluation model according to the calculation result, determining the distribution principle of each link and re-distributing the links;
and the optimizing unit is used for establishing a problem database according to the distribution result, and optimizing the establishment range and the density of the link nodes by utilizing the problem database.
Further, preferably, in the link system construction unit, the power communication network includes a device layer, a connection layer, and a main network layer;
chips for acquisition are arranged on each device of the device layer; an information collection system is arranged on each node of the connecting layer; the information acquisition network is arranged outside the power communication network.
The invention also provides a terminal device, comprising:
one or more processors;
a memory coupled to the processor for storing one or more programs;
the one or more programs, when executed by the one or more processors, cause the one or more processors to implement the power traffic route optimization method as claimed in any one of the preceding claims.
The invention also provides a computer readable storage medium having stored thereon a computer program which when executed by a processor implements the power traffic route optimization method according to any of the above.
Compared with the prior art, the invention has the beneficial effects that:
the invention discloses a power service route optimization method, a device, terminal equipment and a medium, wherein the method comprises the following steps: constructing a power network communication link system according to the power communication network and the information acquisition network; establishing a network blocking rate evaluation model, and calculating the total bandwidth occupied by a used link in the power network communication link system; establishing an allocation evaluation model according to the calculation result, determining the allocation principle of each link and reallocating the links; and establishing a problem database according to the distribution result, and optimizing the establishment range and the density of the link nodes by using the problem database. The invention avoids the phenomena of unreasonable network allocation and resource waste caused by adopting a nearby principle, can ensure that bandwidth allowance is reserved for the whole network when the link is optimized, and avoids the problems of easy blocking and network collapse in the power communication network.
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In order to more clearly illustrate the technical solutions of the present invention, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a flow chart of a power service route optimization method according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an electric power service route optimization device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a terminal device according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be understood that the step numbers used herein are for convenience of description only and are not limiting as to the order in which the steps are performed.
It is to be understood that the terminology used in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
The terms "comprises" and "comprising" indicate the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
The term "and/or" refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
Referring to fig. 1, an embodiment of the present invention provides a power service route optimization method. As shown in fig. 1, the power traffic route optimization method includes steps S10 to S40. The method comprises the following steps:
s10, constructing a power network communication link system according to a power communication network and an information acquisition network;
it should be noted that, in this embodiment, the power communication network includes a device layer, a connection layer, and a main network layer; chips for acquisition are arranged on each device of the device layer; an information collection system is arranged on each node of the connecting layer; the information acquisition network is arranged outside the power communication network.
When executing step S10, firstly, an electric power communication network composed of an equipment layer, a connection layer and an electric power backbone network is established, an information acquisition chip is installed on each equipment of the equipment layer, an information acquisition system is arranged at each node of the connection layer, an information acquisition network is externally arranged on the electric power communication network, and the information acquisition network is composed of an information transmission network and each equipment of the equipment layer, the information acquisition chip and each node of the connection layer are installed; after all devices are ready, an electric power network communication link system is assembled by the communication chips on the devices and the nodes of the connection layer according to the numerical formula, and the link set is V (V 1 ,V 2 ,……V n ) The device layer configures a link V for the device requested in the device layer by adopting a distance nearest principle when the device layer sends out the request practical link X ，V X E V, total bandwidth p= Σvin power communication network link x N x Wherein N represents the bandwidth used by the link X Representing link V X The actual occupied bandwidth tested in the information collecting system.
And S20, establishing a network blocking rate evaluation model, and calculating the total bandwidth occupied by the used links in the power network communication link system.
In this embodiment, establishing a network blocking rate evaluation model includes:
in the method, in the process of the invention,for link V x Effective bandwidth, N, of the bandwidths used X For link V x The actual occupied bandwidth tested in the information collecting system, O is the link blocking rate.
Calculating the total bandwidth occupied by links in use in the power network communication link system, comprising:
when F (V) X ,N X )<E/2, calculating the total bandwidth occupied by the used link;
when E/2 is less than or equal to F (V) X ,N X )<When 0.95E, calculating the bandwidth corresponding to the link with the highest bandwidth occupancy rate in the used links; wherein:
F(V X ,N X )＝N X *C；
E∈(20，50)；
wherein C is a constant, N X Representing link V X The actual occupied bandwidth tested in the information collection system, E is the total bandwidth after the power communication network is built.
Specifically, in F (V X ,N X )<E/2, analyzing each used link, and judging the O values of all the used links one by one or simultaneously;
at E/2.ltoreq.F (V) X ,N X )<0.95E, since the problem of network resources is limited for the link V with the highest bandwidth occupancy among the links used I And firstly, performing optimization calculation to avoid system breakdown caused by simultaneous calculation.
S30, establishing an allocation evaluation model according to the calculation result, determining the allocation principle of each link and reallocating the links.
It should be noted that, if the link corresponding to the calculated O value needs to be adjusted in all cases, the O value is checked, and since the latest route allocation principle is adopted at first, there may be a problem that network resource allocation is unreasonable and wasteful due to the adaptation problem, so that the O value is needed to determine whether the device layer terminal equipment using the link needs to adjust the link.
In an embodiment, the establishing an allocation evaluation model according to the calculation result, determining the allocation principle of each link, includes:
when O is in a first preset range, the corresponding link needs to be replaced;
when O is in the second preset range, the corresponding link does not need to be replaced.
Specifically, in this embodiment, the first preset range refers to [0.80,0.95 ], and the second preset range refers to [0.95,0.98 ].
Specifically, the following is also classified:
when O epsilon [0.80,0.85), indicating that the link needs to be replaced immediately;
when O epsilon [0.85,0.90), indicating that the link replacement is needed;
when O.epsilon. 0.90,0.95, the representation may be at F (V) X ,N X ) E/4 is not more than adaptively replaced to see whether a better link can be found;
when O ε [0.95,0.98), it indicates that its links do not need to be replaced.
In a specific embodiment, when O is within the first preset range, the replacement of the corresponding link is required, including:
when O is in a first preset range, changing the node closest to the equipment in the equipment layer into a second closest node, and calculating an O value;
and judging whether the O value is in a first preset range, if so, replacing a node link of the connection layer and calculating a corresponding O value until the current O value is in a second preset range, and marking a link corresponding to the equipment.
It should be noted that, when O e [0.80,0.95 ]) the link replacement principle is to replace the node next closest to the device and then calculate the O value, if the O value is still lower than the O value of the original link or less than 0.90, replace the node link in the connection layer, and then calculate the O value again until O e [0.95,0.98 ]) is obtained and the link corresponding to the device is marked.
And S40, establishing a problem database according to the distribution result, and optimizing the establishment range and the density of the link nodes by using the problem database.
Specifically, in this step, a problem database is built, the percentage of the total number of the links allocated according to the history of the link occupation of O e [0.90,0.98 ] after the first allocation according to the latest allocation rule is counted, then the links of O e [0.80,0.85 ] after the first allocation are marked when the percentage is lower than 93%, the attribute difference between the links when the O value is higher than 95% after the reassignment and the links originally allocated is checked, and finally the setup range and the setup density of the nodes are optimized according to the attribute difference.
In summary, the power service route optimization method provided by the embodiment of the invention can ensure that bandwidth allowance is reserved for the whole network when the link is optimized, and avoid the problems of easy blocking and network collapse in the power communication network.
Referring to fig. 2, an embodiment of the present invention further provides an apparatus for optimizing a power service route, including:
the link system construction unit 01 is used for constructing a power network communication link system according to the power communication network and the information acquisition network;
an evaluation model construction unit 02 for establishing a network blocking rate evaluation model, and calculating the total bandwidth occupied by the links in use in the power network communication link system;
a link allocation unit 03, configured to establish an allocation evaluation model according to the calculation result, determine an allocation principle of each link, and reallocate links;
and the optimizing unit 04 is used for establishing a problem database according to the distribution result, and optimizing the establishment range and the density of the link nodes by utilizing the problem database.
Preferably, in the link system construction unit 01, the power communication network includes a device layer, a connection layer, and a main network layer;
chips for acquisition are arranged on each device of the device layer; an information collection system is arranged on each node of the connecting layer; the information acquisition network is arranged outside the power communication network.
It can be appreciated that the power traffic route optimization device provided in this embodiment is configured to perform the power traffic route optimization method according to any one of the foregoing embodiments. The embodiment can ensure that bandwidth allowance is reserved for the whole network when the link is optimized, and avoid the problems of easy blocking and network collapse of the power communication network.
Referring to fig. 3, an embodiment of the present invention provides a terminal device, including:
one or more processors;
a memory coupled to the processor for storing one or more programs;
the one or more programs, when executed by the one or more processors, cause the one or more processors to implement the power traffic route optimization method as described above.
The processor is used for controlling the overall operation of the terminal equipment to complete all or part of the steps of the power service route optimization method. The memory is used to store various types of data to support operation at the terminal device, which may include, for example, instructions for any application or method operating on the terminal device, as well as application-related data. The Memory may be implemented by any type of volatile or non-volatile Memory device or combination thereof, such as static random access Memory (Static Random Access Memory, SRAM for short), electrically erasable programmable Read-Only Memory (Electrically Erasable Programmable Read-Only Memory, EEPROM for short), erasable programmable Read-Only Memory (Erasable Programmable Read-Only Memory, EPROM for short), programmable Read-Only Memory (Programmable Read-Only Memory, PROM for short), read-Only Memory (ROM for short), magnetic Memory, flash Memory, magnetic disk or optical disk.
In an exemplary embodiment, the terminal device may be implemented by one or more application specific integrated circuits (Application Specific 1ntegrated Circuit, abbreviated AS 1C), digital signal processors (Digital Signal Processor, abbreviated DSP), digital signal processing devices (Digital Signal Processing Device, abbreviated DSPD), programmable logic devices (Programmable Logic Device, abbreviated PLD), field programmable gate arrays (Field Programmable Gate Array, abbreviated FPGA), controllers, microcontrollers, microprocessors, or other electronic components for performing the power traffic route optimization method according to any of the embodiments, and achieving technical effects consistent with the method described above.
In another exemplary embodiment, a computer readable storage medium comprising a computer program is also provided, which when executed by a processor implements the steps of the power traffic route optimization method according to any of the embodiments described above. For example, the computer readable storage medium may be a memory including a computer program as described above, where the computer program is executable by a processor of a terminal device to perform the power traffic route optimization method according to any one of the embodiments described above, and achieve technical effects consistent with the method described above.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the invention, such changes and modifications are also intended to be within the scope of the invention.
Claims (8)
1. A method for optimizing a power service route, comprising:
constructing a power network communication link system according to the power communication network and the information acquisition network;
establishing a network blocking rate evaluation model, and calculating the total bandwidth occupied by a used link in the power network communication link system; the establishing a network blocking rate evaluation model comprises the following steps:in (1) the->For link V x Effective bandwidth, N, of the bandwidths used X For link V x The actual occupied bandwidth tested in the information collection system, O is the link blocking rate;
establishing an allocation evaluation model according to the calculation result, determining the allocation principle of each link and reallocating the links; the step of establishing an allocation evaluation model according to the calculation result to determine the allocation principle of each link comprises the following steps: when O is in a first preset range, the corresponding link needs to be replaced; when O is in a second preset range, the corresponding link is not required to be replaced;
and establishing a problem database according to the distribution result, and optimizing the establishment range and the density of the link nodes by using the problem database.
2. The power traffic route optimization method according to claim 1, wherein the power communication network comprises a device layer, a connection layer, and a main network layer;
chips for acquisition are arranged on each device of the device layer; an information collection system is arranged on each node of the connecting layer; the information acquisition network is arranged outside the power communication network.
3. The power traffic route optimization method according to claim 2, wherein said calculating the total bandwidth occupied by links in use in the power network communication link system comprises:
when F (V) X ,N X )<E/2, calculating the total bandwidth occupied by the used link;
when E/2 is less than or equal to F (V) X ,N X )<When 0.95E, calculating the bandwidth corresponding to the link with the highest bandwidth occupancy rate in the used links; wherein:
F(V X ,N X )＝N X *C；
E∈(20，50)；
wherein C is a constant, N X Representing link V X The actual occupied bandwidth tested in the information collection system, E is the total bandwidth after the power communication network is built.
4. The power traffic route optimization method according to claim 1, wherein when O is within a first preset range, the replacement of the corresponding link is required, comprising:
when O is in a first preset range, changing the node closest to the equipment in the equipment layer into a second closest node, and calculating an O value;
and judging whether the O value is in a first preset range, if so, replacing a node link of the connection layer and calculating a corresponding O value until the current O value is in a second preset range, and marking a link corresponding to the equipment.
5. An electrical power traffic route optimization device, comprising:
the link system construction unit is used for constructing a power network communication link system according to the power communication network and the information acquisition network;
the evaluation model building unit is used for building a network blocking rate evaluation model and calculating the total bandwidth occupied by the links in use in the power network communication link system; the evaluation model construction unit is further configured to: the establishing a network blocking rate evaluation model comprises the following steps:in (1) the->For link V x Effective bandwidth, N, of the bandwidths used X For link V x The actual occupied bandwidth tested in the information collection system, O is the link blocking rate;
the link distribution unit is used for establishing a distribution evaluation model according to the calculation result, determining the distribution principle of each link and re-distributing the links; the link allocation unit is further configured to: the step of establishing an allocation evaluation model according to the calculation result to determine the allocation principle of each link comprises the following steps: when O is in a first preset range, the corresponding link needs to be replaced; when O is in a second preset range, the corresponding link is not required to be replaced;
and the optimizing unit is used for establishing a problem database according to the distribution result, and optimizing the establishment range and the density of the link nodes by utilizing the problem database.
6. The power traffic route optimization device according to claim 5, wherein in the link system construction unit, the power communication network includes a device layer, a connection layer, and a main network layer;
chips for acquisition are arranged on each device of the device layer; an information collection system is arranged on each node of the connecting layer; the information acquisition network is arranged outside the power communication network.
7. A terminal device, comprising:
one or more processors;
a memory coupled to the processor for storing one or more programs;
the one or more programs, when executed by the one or more processors, cause the one or more processors to implement the power traffic route optimization method of any of claims 1-4.
8. A computer readable storage medium having stored thereon a computer program, which when executed by a processor implements the power traffic route optimization method according to any of claims 1-4.
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| CN105471762A (en) * | 2015-11-16 | 2016-04-06 | 国家电网公司 | Time perception service degradation method for power communication network topology |
| CN107248962A (en) * | 2017-05-25 | 2017-10-13 | 中国能源建设集团广东省电力设计研究院有限公司 | The communication handover method and device gathered for electric network information |
| CN109995656A (en) * | 2019-02-22 | 2019-07-09 | 国网江苏省电力有限公司 | Resource allocation methods, device and storage medium towards automatic demand response business |
| WO2021047346A1 (en) * | 2019-09-11 | 2021-03-18 | 北京智芯微电子科技有限公司 | Route orchestration method for edge computing network, and route orchestrator and system |
| CN113347589A (en) * | 2021-06-07 | 2021-09-03 | 北京邮电大学 | Virtual network resource allocation method for intelligent power distribution service |
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