CN107609803B - Network user demand scheduling method and device - Google Patents
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- CN107609803B CN107609803B CN201711029556.3A CN201711029556A CN107609803B CN 107609803 B CN107609803 B CN 107609803B CN 201711029556 A CN201711029556 A CN 201711029556A CN 107609803 B CN107609803 B CN 107609803B
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Abstract
A method and a device for scheduling network user needs are provided, the method comprises: sequentially traversing the power demand information in the demand list, wherein the power demand information included in the demand list is arranged according to the time when the power demand information starts to be executed; performing conflict judgment on the first current power demand information and the first effective power demand information which are obtained by sequential traversal to obtain a first judgment result; and when the first judgment result shows that the first current power demand information conflicts with the first effective power demand information, determining whether to update the first effective power demand information according to the first current power demand information and the use priority of the first effective power demand information. The technical scheme provided by the invention can better optimize the demand scheduling logic of users in the power system.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method and an apparatus for scheduling network user requirements.
Background
The power system scheduling is a complex system that many power plants provide electric energy and supply power to the vast users through power transmission, power transformation, power distribution and power supply networks. The production, supply and marketing processes are finished and balanced at the same time in one moment. Therefore, the scheduling power demand information is different from the general industrial production scheduling. The power system scheduling needs to keep the balance of power generation and load at any time, and each department in the scheduling jurisdiction is required to strictly finish scheduling power demand information according to quality and quantity.
However, due to resource limitations, only one consumer power demand can be performed at a time in the power system. In practical applications, the arbitration right of the multi-user power demand information is often switched according to different scenes, which results in a sharp increase in the complexity of the power demand information processing logic.
Disclosure of Invention
The technical problem solved by the invention is how to carry out demand scheduling more efficiently.
To solve the foregoing technical problem, an embodiment of the present invention provides a method for demand scheduling of a network user, including: sequentially traversing the power demand information in a demand list, wherein the power demand information included in the demand list is arranged according to the time when the power demand information starts to be executed; performing conflict judgment on first current power demand information and first effective power demand information acquired through sequential traversal to obtain a first judgment result, wherein the first effective power demand information refers to first executed power demand information when the execution starting time in the demand list is met; when the first judgment result shows that the first current power demand information conflicts with first effective power demand information, determining whether to update the first effective power demand information according to the use priority of the first current power demand information and the use priority of the first effective power demand information; when the first judgment result shows that the first current power demand information does not conflict with the first effective power demand information, traversing the demand list in a reverse order, and performing conflict judgment on the second current power demand information acquired by traversing in the reverse order and the first effective power demand information to obtain a second judgment result; and determining whether to update the first effective power demand information according to the second judgment result.
Optionally, determining whether to update the first available power demand information according to the second determination result includes: when the second determination result indicates that the first effective power demand information does not conflict with the second current power demand information, or when the second determination result indicates that the first effective power demand information conflicts with the second current power demand information and the usage priority of the second current power demand information is higher than that of the first effective power demand information, updating the first effective power demand information to the second current power demand information.
Optionally, determining whether to update the first available power demand information according to the second determination result includes: when the second determination result indicates that the first effective power demand information conflicts with second current power demand information and the priority of use of the first effective power demand information is higher than that of use of the second current power demand information, the first effective power demand information is maintained unchanged.
Optionally, determining whether to update the first available power demand information according to the first current power demand information and the usage priority of the first available power demand information includes: updating the first effective power demand information to the first current power demand information when the priority of use of the first current power demand information is higher than the priority of use of first effective power demand information.
Optionally, the demand scheduling method further includes: tracking a time at which the first available power demand information begins to be executed, and executing the first available power demand information when the time at which the first available power demand information begins to be executed is satisfied.
Optionally, the demand scheduling method further includes: when the time for starting execution of the first effective power demand information is satisfied, adjusting the sequence of other power demand information in the demand list to be next to the first effective power demand information, wherein the other power demand information is power demand information conflicting with the first effective power demand information.
The embodiment of the present invention further provides a device for scheduling a demand of a network user, including: the system comprises a sequential traversal module and a request module, wherein the sequential traversal module is used for sequentially traversing the power demand information in a demand list, and the power demand information included in the demand list is arranged according to the time when the demand information starts to be executed; the first judgment module is used for performing conflict judgment on first current power demand information and first effective power demand information acquired through sequential traversal to obtain a first judgment result, wherein the first effective power demand information refers to first executed power demand information when the time for starting execution in the demand list is met; a first determining module, configured to determine whether to update first available power demand information according to usage priorities of the first current power demand information and first available power demand information when the first determination result indicates that the first current power demand information conflicts with the first available power demand information; the second judgment module is used for traversing the demand list in a reverse order when the first judgment result shows that the first current power demand information is not in conflict with the first effective power demand information, and performing conflict judgment on the second current power demand information acquired by traversing in the reverse order and the first effective power demand information to obtain a second judgment result; and a second determining module, configured to determine whether to update the first available power demand information according to the second determination result.
Optionally, the second determining module includes: a first updating sub-module that updates the first effective power demand information to second current power demand information when the second determination result indicates that the first effective power demand information does not conflict with the second current power demand information, or when the second determination result indicates that the first effective power demand information conflicts with the second current power demand information and that the second current power demand information has a higher priority of use than the first effective power demand information.
Optionally, the second determining module includes: a maintaining sub-module configured to maintain the first effective power demand information unchanged when the second determination result indicates that the first effective power demand information conflicts with second current power demand information and that the priority of use of the first effective power demand information is higher than that of use of the second current power demand information.
Optionally, the first determining module includes: a second updating sub-module that updates the first effective power demand information to the first current power demand information when the priority of use of the first current power demand information is higher than the priority of use of the first effective power demand information.
Optionally, the demand scheduling apparatus further includes: the first processing module is configured to track a time when the first available power demand information starts to be executed, and execute the first available power demand information when the time when the first available power demand information starts to be executed is satisfied.
Optionally, the demand scheduling apparatus further includes: and a second processing module, configured to adjust, when the time for starting execution of the first effective power demand information is met, an order of other power demand information in the demand list to be next to the first effective power demand information, where the other power demand information is power demand information that conflicts with the first effective power demand information.
Compared with the prior art, the technical scheme of the embodiment of the invention has the following beneficial effects:
sequentially traversing the power demand information in the demand list, and performing conflict judgment on the first current power demand information and the first effective power demand information acquired by sequential traversal to obtain a first judgment result; when the first judgment result shows that the first current power demand information conflicts with first effective power demand information, determining whether to update the first effective power demand information according to the first current power demand information and the use priority of the first effective power demand information; otherwise, when the first judgment result shows that the first current power demand information does not conflict with the first effective power demand information, the demand list is traversed in a reverse order, conflict judgment is carried out on the second current power demand information and the first effective power demand information, the second current power demand information and the first effective power demand information are acquired through traversal in the reverse order, a second judgment result is obtained, and whether the first effective power demand information is updated or not is determined according to the second judgment result. According to the technical scheme of the embodiment of the invention, on the basis of sequentially traversing the demand list, reverse-order traversal is carried out based on the first effective power demand information determined after sequential traversal so as to preferentially meet the power demand with high use priority, namely meet the power demand under emergency, important and other conditions. Those skilled in the art understand that through the technical scheme of the embodiment of the invention, the demand scheduling logic of users in the power system can be better optimized.
Drawings
Fig. 1 is a flowchart of a demand scheduling method for network users according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a demand scheduling apparatus for network users according to a second embodiment of the present invention.
Detailed Description
Those skilled in the art will appreciate that, as is the case in the background, only one customer power demand information may be executed at a time in a power system due to resource constraints. In practical applications, the arbitration right of the multi-user power demand information is often switched according to different scenes, which results in a sharp increase in the complexity of the power demand information processing logic.
In order to solve the technical problem, the technical scheme of the embodiment of the invention sequentially traverses the power demand information in the demand list, and performs conflict judgment on the first current power demand information and the first effective power demand information which are sequentially acquired by traversal to obtain a first judgment result; when the first judgment result shows that the first current power demand information conflicts with first effective power demand information, determining whether to update the first effective power demand information according to the first current power demand information and the use priority of the first effective power demand information; otherwise, when the first judgment result shows that the first current power demand information does not conflict with the first effective power demand information, the demand list is traversed in a reverse order, conflict judgment is carried out on the second current power demand information and the first effective power demand information, the second current power demand information and the first effective power demand information are acquired through traversal in the reverse order, a second judgment result is obtained, and whether the first effective power demand information is updated or not is determined according to the second judgment result.
The technical scheme of the embodiment of the invention is characterized in that on the basis of sequentially traversing the demand list, reverse-order traversal is performed based on the first effective power demand information determined after sequential traversal so as to preferentially meet the power demand with high use priority, namely meet the power demand under the conditions of emergency, importance and the like. Through a reverse-order traversal leakage detection mode, the demand scheduling logic of users in the power system can be better optimized.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Fig. 1 is a flowchart of a demand scheduling method for users in an electric power system according to a first embodiment of the present invention.
In the present embodiment, step S101 is first executed to sequentially traverse the power demand information in the demand list. More specifically, the demand list includes all the power demand information in the power system, and the power demand information included in the demand list is arranged in accordance with the respective times at which execution starts, for example, power demand information that starts executing earlier is arranged at the front and power demand information that starts executing later is arranged at the back.
Then, step S102 is executed, and a conflict determination is performed on the first current power demand information and the first effective power demand information obtained by sequentially traversing to obtain a first determination result, where the first effective power demand information refers to the first executed power demand information when the time for starting execution in the demand list is satisfied. In a preferred example, when the first determination result indicates that the first current power demand information conflicts with the first effective power demand information, the first determination result of step S102 is indicated to be affirmative; otherwise, the first determination result of step S102 is negative. Preferably, when the first determination result of the step S102 is positive, the step S103 is executed, and the sequential traversal of the demand list is continued, so that the power demand information ranked one bit after the first current power demand information currently used for performing the conflict determination is used as the first current power demand information, and the step S102 is repeatedly executed until the first determination result of the step S102 is negative, or until all the power demand information in the demand list is sequentially traversed; otherwise, if the conflict determination indicates that the first current power demand information does not conflict with the first effective power demand information, the process proceeds to step S104.
In step S103, when the first determination result indicates that the first current power demand information conflicts with first available power demand information, it is determined whether to update the first available power demand information according to the first current power demand information and the usage priority of the first available power demand information.
In the step S104, when the first determination result indicates that the first current power demand information does not conflict with the first effective power demand information, the demand list is traversed in a reverse order, and conflict determination is performed on the second current power demand information acquired by the reverse order traversal and the first effective power demand information, so as to obtain a second determination result.
Finally, step S105 is executed to determine whether to update the first available power demand information according to the second determination result.
Further, the all power demand information may be provided by different users in the power system.
Further, for the power demand information included in the demand list, the order of arrangement in the demand list may be arranged from front to back according to the time when each power demand information starts to be executed, that is, the earlier the power demand information starts to be executed, the earlier the power demand information is arranged in the demand list. In a preferred example of the present embodiment, the sequentially traversing the power demand information in the demand list in step S101 may be to traverse the demand list in a sequence from front to back according to the time when the power demand information starts to be executed, so as to preferably use the power demand information with the earliest time when the power demand information starts to be executed as the first current power demand information, thereby performing the conflict judgment with the first valid power demand information. In another preferred example, the step S104 of traversing the demand list in a reverse order may be to traverse the demand list in a backward-forward order according to the time when the power demand information starts to be executed, and obtain the power demand information (as the second current power demand information) whose execution start time is earlier than the time when the first effective power demand information determined in the step S103 starts to be executed, so as to perform the conflict judgment with the first effective power demand information.
As a variation, the power demand information included in the demand list may also be arranged from back to front according to the time when each power demand information starts to be executed. Correspondingly, in implementation, the technical solution of the embodiment of the present invention may first traverse the power demand information in the demand list in a reverse order, so as to use the power demand information with the highest priority and the most advanced time for starting execution in the demand list as the first effective power demand information; and then sequentially traversing the demand list based on the first effective power demand information so as to preferentially execute the power demand information which is used with high priority and does not conflict with the first effective power demand information in a leakage detection mode. Further, based on such core ideas, those skilled in the art may change the arrangement manner of each power demand information in the demand list according to actual needs, and details are not described herein.
Further, the conflict determination may include determining whether there is a time conflict between the first current power demand information and first available power demand information. For example, if the first current power demand information and the first effective power demand information are the same in time from the start of execution, it may be determined that there is a time conflict between the two; for another example, if the first current power demand information starts to be executed earlier than the first effective power demand information, but the time period required for executing the first current power demand information is longer than the interval between the respective start times of the first current power demand information and the first effective power demand information, that is, if the first current power demand information has not been executed yet when the first effective power demand information starts to be executed, it may be determined that there is a time conflict between the first current power demand information and the first effective power demand information, and vice versa. Those skilled in the art understand that, regarding the conflict judgment of the second current power demand information and the first effective power demand information in the step S104, reference may also be made to the foregoing conflict judgment manner, which is not described herein again.
Further, with regard to the step S103, when the first determination result indicates that the first current power demand information conflicts with first effective power demand information and that the priority of use of the first current power demand information is higher than that of first effective power demand information, it may be determined to update the first effective power demand information to the first current power demand information to ensure that the power demand information of which the execution starts at the earliest time in the demand list and of which the priority of use is the highest can become the first effective power demand information. As a variation, when the first determination result indicates that the first current power demand information conflicts with first available power demand information but the priority of use of the first current power demand information is lower than that of first available power demand information, it may be determined not to update the first available power demand information.
In a preferred example, after the step S103 is performed to update (or not update) the first effective power demand information, the demand list is sequentially traversed to obtain the next power demand information (i.e. obtain the power demand information whose execution start time is later than the execution start time of the first current power demand information in the current round) of the first current power demand information used for performing the conflict judgment in the current round S102, the newly obtained power demand information is used as the first current power demand information, and the step S102 is repeatedly performed to perform the conflict judgment on the first current power demand information and the first effective power demand information until the first judgment result of the step S102 is negative, that is, the first current power demand information does not conflict with the first effective power demand information; or the power demand information included in the demand list is completely traversed in the whole sequence.
Further, the second current power demand information obtained by the reverse-order traversal may be obtained by taking the first effective power demand information as a starting point, and obtaining, as the second current power demand information, the power demand information in the demand list, which is executed at a time earlier than a time at which the first effective power demand information is executed, in a sequence from the back to the front of the time at which the execution is started.
In a preferred example, if the second current power demand information conflicts with the first effective power demand information, the second determination result of step S104 is affirmative; otherwise, the second determination result of the step S104 is negative. Preferably, the step S105 may include: when the second determination result of the step S104 is affirmative, comparing the use priority of the first available power demand information with that of the second current power demand information to determine whether to update the first available power demand information; otherwise, that is, when the second determination result indicates that the first effective power demand information does not conflict with the second current power demand information, the first effective power demand information is updated to the second current power demand information. Preferably, when the priority of use of the first available power demand information is higher than the priority of use of the second current power demand information, the first available power demand information is maintained unchanged (i.e., the first available power demand information is not updated); updating the first available power demand information to the second current power demand information when the second current power demand information has a higher priority of use than the first available power demand information.
Therefore, by adopting the scheme of the first embodiment, the demand scheduling logic of users in the power system can be better optimized to meet the demand of the power demand information as much as possible. Those skilled in the art will understand that, with the technical solution of the embodiment of the present invention, after sequentially traversing the demand list to determine the first effective power demand information, the second current power demand information that is arranged before the first effective power demand information in the demand list can be "saved" in a reverse order traversal manner and does not conflict with the first effective power demand information, or has a higher priority in use than the first effective power demand information although it conflicts with the first effective power demand information.
In the invention, if the power demand information does not conflict with the existing power demand information in the demand list, the power demand information is executed; otherwise, if the power demand information conflicts with the existing power demand information in the demand list, comparing the use priority of the power demand information with the conflict power demand information in the demand list, and if the use priority of the power demand information is higher than that of the conflict power demand information in the demand list, accepting the power demand information and rejecting the conflict power demand information in the demand list; on the contrary, if the priority of the power demand information is lower than that of the conflicting power demand information in the demand list, the power demand information is rejected and the conflicting power demand information in the demand list is retained. According to the technical scheme of the embodiment of the invention, the time node for arbitrating the power demand information is delayed as far as possible, for example, arbitration is carried out when the time for starting execution of the first effective power demand information is met, so that the situation that the originally executable power demand information in the demand list cannot be executed due to premature arbitration is avoided.
Fig. 2 is a schematic structural diagram of a demand scheduling apparatus for users in an electric power system according to a second embodiment of the present invention. Those skilled in the art understand that the demand scheduling apparatus 40 according to this embodiment is used to implement the method technical solution described in the embodiment shown in fig. 1. Specifically, in this embodiment, the demand scheduling apparatus 40 includes a sequential traversal module 401, configured to sequentially traverse the power demand information in a demand list, where the demand list includes all the power demand information of the multimode device, and the power demand information included in the demand list is arranged according to the respective times for starting execution; a first determining module 402, configured to perform conflict determination on first current power demand information and first effective power demand information obtained through sequential traversal to obtain a first determination result, where the first effective power demand information refers to first executed power demand information when execution start time in the demand list is met; a first determining module 403, configured to determine whether to update the first available power demand information according to the first current power demand information and the usage priority of the first available power demand information when the first determination result indicates that the first current power demand information conflicts with the first available power demand information; a second determining module 404, configured to traverse the demand list in a reverse order when the first determining result indicates that the first current power demand information does not conflict with the first effective power demand information, and perform conflict determination on the second current power demand information acquired by the reverse order traversal and the first effective power demand information to obtain a second determining result; a second determining module 405, configured to determine whether to update the first available power demand information according to the second determination result.
Further, the second determining module 405 includes a first updating sub-module 4051, and updates the first effective power demand information to the second effective power demand information when the second determination result indicates that the first effective power demand information does not conflict with the second current power demand information, or when the second determination result indicates that the first effective power demand information conflicts with the second current power demand information and the second current power demand information has a higher priority of use than the first effective power demand information.
As a variation, the second determining module 405 may further include a maintaining sub-module 4052, which maintains the first effective power demand information when the second determination result indicates that the first effective power demand information conflicts with the second current power demand information and the priority of use of the first effective power demand information is higher than the priority of use of the second current power demand information.
Further, the first determination module 403 includes a second update sub-module 4031 for updating the first available power demand information to the first current power demand information when the priority of use of the first current power demand information is higher than the priority of use of the first available power demand information.
Further, the demand scheduler 40 further includes a first processing module 406, configured to track a time when the first available power demand information starts to be executed, and execute the first available power demand information when the time when the first available power demand information starts to be executed is satisfied.
As a variation, the demand scheduling apparatus 40 may further include a second processing module 407, when the time for starting execution of the first effective power demand information is satisfied, adjusting an order of other power demand information in the demand list to be next to the first effective power demand information, where the other power demand information is power demand information that conflicts with the first effective power demand information.
For more details of the operation principle and the operation mode of the demand scheduling apparatus 40, reference may be made to the relevant description in fig. 1, and details are not repeated here.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. A method for scheduling network user requirements is characterized by comprising the following steps:
sequentially traversing the power demand information in a demand list, wherein the power demand information included in the demand list is arranged according to the time when the power demand information starts to be executed;
performing conflict judgment on first current power demand information and first effective power demand information acquired through sequential traversal to obtain a first judgment result, wherein the first effective power demand information refers to first executed power demand information when the execution starting time in the demand list is met;
when the first judgment result shows that the first current power demand information conflicts with first effective power demand information, determining whether to update the first effective power demand information according to the use priority of the first current power demand information and the use priority of the first effective power demand information;
when the first judgment result shows that the first current power demand information does not conflict with the first effective power demand information, traversing the demand list in a reverse order, and performing conflict judgment on the second current power demand information acquired by traversing in the reverse order and the first effective power demand information to obtain a second judgment result;
determining whether to update the first effective power demand information according to the second judgment result; determining whether to update the first available power demand information according to the second determination result includes:
when the second determination result indicates that the first effective power demand information does not conflict with the second current power demand information, or when the second determination result indicates that the first effective power demand information conflicts with the second current power demand information and the usage priority of the second current power demand information is higher than that of the first effective power demand information, updating the first effective power demand information to the second current power demand information.
2. The method according to claim 1, wherein determining whether to update the first available power demand information according to the second determination result comprises:
when the second determination result indicates that the first effective power demand information conflicts with second current power demand information and the priority of use of the first effective power demand information is higher than that of use of the second current power demand information, the first effective power demand information is maintained unchanged.
3. The method according to any of claims 1 to 2, further comprising: tracking a time at which the first available power demand information begins to be executed, and executing the first available power demand information when the time at which the first available power demand information begins to be executed is satisfied.
4. The method according to claim 3, further comprising:
when the time for starting execution of the first effective power demand information is satisfied, adjusting the order of other power demand information in the demand list to be next to the first effective power demand information, wherein the other power demand information is power demand information conflicting with the first effective power demand information.
5. A network user demand scheduling apparatus, comprising:
the system comprises a sequential traversal module and a request module, wherein the sequential traversal module is used for sequentially traversing the power demand information in a demand list, and the power demand information included in the demand list is arranged according to the time when the demand information starts to be executed;
the first judgment module is used for performing conflict judgment on first current power demand information and first effective power demand information acquired through sequential traversal to obtain a first judgment result, wherein the first effective power demand information refers to first executed power demand information when the time for starting execution in the demand list is met;
a first determining module, configured to determine whether to update first available power demand information according to usage priorities of the first current power demand information and first available power demand information when the first determination result indicates that the first current power demand information conflicts with the first available power demand information;
the second judgment module is used for traversing the demand list in a reverse order when the first judgment result shows that the first current power demand information is not in conflict with the first effective power demand information, and performing conflict judgment on the second current power demand information acquired by traversing in the reverse order and the first effective power demand information to obtain a second judgment result;
a second determining module, configured to determine whether to update the first available power demand information according to the second determination result; the second determining module includes:
a first updating sub-module that updates the first effective power demand information to second current power demand information when the second determination result indicates that the first effective power demand information does not conflict with the second current power demand information, or when the second determination result indicates that the first effective power demand information conflicts with the second current power demand information and that the second current power demand information has a higher priority of use than the first effective power demand information.
6. The network user demand scheduling device of claim 5, wherein the second determining module comprises:
a maintaining sub-module configured to maintain the first effective power demand information unchanged when the second determination result indicates that the first effective power demand information conflicts with second current power demand information and that the priority of use of the first effective power demand information is higher than that of use of the second current power demand information.
7. The network user demand scheduling device according to any of claims 5 to 6, further comprising: the first processing module is configured to track a time when the first available power demand information starts to be executed, and execute the first available power demand information when the time when the first available power demand information starts to be executed is satisfied.
8. The network user demand scheduling device of claim 7, further comprising: and a second processing module, configured to adjust, when the time for starting execution of the first effective power demand information is met, an order of other power demand information in the demand list to be next to the first effective power demand information, where the other power demand information is power demand information that conflicts with the first effective power demand information.
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| US10216542B2 (en) * | 2014-03-17 | 2019-02-26 | Huawei Technologies Co., Ltd. | Resource comparison based task scheduling method, apparatus, and device |
| CN104618495B (en) * | 2015-02-13 | 2019-01-15 | 中国科学院遥感与数字地球研究所 | Satellite reception method for allocating tasks |
| CN107291548B (en) * | 2016-03-31 | 2021-04-13 | 阿里巴巴集团控股有限公司 | Task resource scheduling method and device |
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| CN1415166A (en) * | 1999-12-30 | 2003-04-30 | 公共电视公司 | Method for flow scheduling |
| CN102394932A (en) * | 2011-11-04 | 2012-03-28 | 浪潮(北京)电子信息产业有限公司 | Cloud sea operating system and resource scheduling method thereof |
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