CN116432961B - Water quantity information management system and method based on digitalization - Google Patents
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Abstract
The invention discloses a water quantity information management system and method based on digitalization, and belongs to the technical field of digital water quantity management. Identifying and counting ditch network arrangement links of different irrigation areas and irrigation planting areas, searching for a supply and demand association relation, generating a centralized supply and demand set, and carrying out overall management on water quantity information; generating a water quantity regulation list according to the water source demand information, and calculating a first satisfaction degree of the water source demand and a second satisfaction degree of the water source demand; calculating water source regulation coverage, performing iterative optimization on the water source regulation coverage, extracting the maximum value of the water source regulation coverage, generating an optimal regulation list, and sending the optimal regulation list to related responsible persons; calculating the support degree of the temporary water source demand and judging whether the temporary water source demand is received or not; and then can make the operation time centralized as far as possible, maximize simultaneously to satisfy the water source demand, avoid the waste of water source when guaranteeing to supply in time, can combine the actual water demand condition in agricultural irrigation district, effectively guarantee peasant's practical demand.
Description
Technical Field
The invention relates to the technical field of digital water quantity management, in particular to a water quantity information management system and method based on digitalization.
Background
Agricultural irrigation is an important means for improving the agricultural production level, and the current total amount of water resources in China is low, and the problem of water resource shortage is increasingly prominent, so that the traditional irrigation mode is changed, the efficient water-saving irrigation is promoted greatly, and modernization, scientization and intellectualization of agricultural irrigation are realized;
in the patent of application publication date 2019.08.27, application number 201910462412.X and named as an intelligent irrigation area water regulation and control method, the self-adaptive conversion type of the irrigation area water distribution and drainage dynamic process is obtained through the coupling between a local game matrix and an integral cooperative regulation and control matrix, so that the self-adaptive intelligent regulation and control of irrigation area canal system/ditch network water movement is realized, the water saving problem in the irrigation regulation and control process is neglected by the regulation and control mode, and meanwhile, the practical demands of farmers are effectively ensured without combining the actual water requirement of an agricultural irrigation area.
Disclosure of Invention
The invention aims to provide a water quantity information management system and method based on digitalization, which are used for solving the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme:
a water quantity information management system based on digitization, the system comprising: the system comprises a supply-demand relation statistics module, a water source demand analysis module, an optimal regulation and control digital module and a real-time decision module;
the supply-demand relation statistics module is used for carrying out statistics on all ditch net distribution links and all irrigation planting areas according to the ground agricultural space planning diagram information; the method comprises the steps that a ditch net distribution link is taken as a supplier, an irrigation planting area is taken as a demand, a supply-demand association relationship is generated between the ditch net distribution link and the irrigation planting area, and a centralized supply-demand set is generated according to the supply-demand association relationship;
the water source demand analysis module is used for recording water source demand information corresponding to each irrigation planting area in each centralized supply and demand set and generating a water quantity regulation list; according to the water volume regulation list, respectively calculating a first satisfaction degree of the water source demand and a second satisfaction degree of the water source demand;
the optimal regulation and control digital module calculates the water source regulation and control coverage according to the first satisfaction of the water source demand and the second satisfaction of the water source demand; performing iterative optimization on the water source regulation coverage, recording the water source regulation coverage output by each iteration, extracting the maximum value of the water source regulation coverage, generating an optimal regulation list, and sending the optimal regulation list to related responsible persons;
The real-time decision module is used for calculating the support degree of the temporary water source demand if the temporary water source demand appears in the process of the operation of the related responsible person according to the optimal regulation list; and judging whether to receive the temporary water source demand according to the support degree of the temporary water source demand.
Further, the supply-demand relationship statistics module further comprises a ground agriculture planning map information identification unit and a supply-demand association relationship analysis unit;
the ground agriculture planning map information identification unit is used for acquiring ground agriculture space planning map information, and the ground agriculture planning map information comprises irrigation planting area information and ditch network arrangement link information, wherein one ditch network arrangement link at least covers one ditch network arrangement link to actIrrigation of the planting area; counting and numbering all ditch network arrangement links, and marking any ditch network arrangement link as I i And i is the number of the network link in the arbitrary ditch; counting and numbering all irrigation planting areas, and marking any one of the irrigation planting areas as J j J is the number of any irrigation planting area;
the supply and demand association relation analysis unit is used for constructing a supply and demand association relation between a ditch net distribution link and an irrigation planting area, and marking the supply and demand association relation as I i →J j Wherein the ditch network is provided with a link I i For the supplier, irrigate the planting area J j Is a demand party; in the supply and demand association relationship, the supply and demand association relationship with the common supplier is extracted, and a centralized supply and demand set is generated and recorded as A (I i )＝{J 1 ，J 2 ，...，J n And (3), wherein A (I) i ) Representing the arrangement of links I in a trench network i A centralized supply and demand set generated for centralized supplier link, J 1 ，J 2 ，...，J n Respectively represent that the links I are arranged in the trench i To provide corresponding delivery of water source demand under the centralized supplier link, 1, 2.
Further, the water source demand analysis module further comprises a water quantity regulation and control list generation unit, a water source demand first satisfaction calculation unit and a water source demand second satisfaction calculation unit;
the water quantity regulation list generation unit records water source demand information corresponding to each irrigation planting area in each centralized supply and demand set according to the centralized supply and demand set, wherein the water source demand information comprises water source demand and water source demand time; generating a water quantity regulation list according to the water source demand information, wherein the water quantity regulation list comprises irrigation planting areas and water source demand information corresponding to the irrigation planting areas;
the first satisfaction calculating unit of the water source demand is used for setting a network link I of any ditch i The minimum value of the water source demand time in the corresponding generated water quantity regulation list is used as the water source regulationCalculating the first satisfaction of the water source demand at the water source regulation time t according to the initial value of the time t;
the water source demand second satisfaction calculating unit calculates the water source demand second satisfaction under the water source regulation time t according to the water source regulation time t.
Further, the optimal regulation and control digitizing module further comprises a water source regulation and control coverage calculating unit and an optimal regulation and control list generating unit;
the water source regulation coverage calculation unit calculates the water source regulation coverage under the water source regulation time t according to the first satisfaction and the second satisfaction of the water source demand under the water source regulation time t; adjusting the water source regulation time t to enable t=d×t, wherein D is an adjustment coefficient, and iterating the water source regulation coverage;
the optimal regulation list generation unit is used for generating a channel network arrangement link I when Dxt+T is larger than the channel network arrangement link I for the first time i When the maximum value of the water source demand time in the generated water quantity regulation list corresponds, iteration is terminated; recording the water source regulation coverage of each iteration output, extracting the maximum value of the water source regulation coverage, and taking the water source regulation time corresponding to the maximum value of the water source regulation coverage as a ditch network configuration link I i Simultaneously taking the water source regulation quantity corresponding to the maximum value of the water source regulation coverage as a ditch network configuration link I i Is used for optimally regulating and controlling the water source quantity; outputting the optimal regulation time and the optimal regulation water source quantity corresponding to all ditch network distribution links, generating an optimal regulation list and sending the optimal regulation list to related responsible persons.
Further, the real-time decision module further comprises a water source demand support degree calculation unit and a real-time decision judgment unit;
the water source demand support degree calculation unit is used for calculating the support degree of the temporary water source demand according to the supply-demand association relation corresponding to the temporary water source demand when the temporary water source demand appears in the process that related responsible persons operate according to the optimal regulation list;
the real-time decision judging unit is used for presetting a water source demand support threshold, and adding the temporary water source demand into the operation process if the support of the temporary water source demand is greater than or equal to the water source demand support threshold; and if the support degree of the temporary water source requirement is smaller than the water source requirement support degree threshold, a rejection instruction is sent to the temporary water source requirement.
A water quantity information management method based on digitalization comprises the following steps:
Step S100: counting all ditch net distribution links and all irrigation planting areas according to the ground agricultural space planning chart information; the method comprises the steps that a ditch net distribution link is taken as a supplier, an irrigation planting area is taken as a demand, a supply-demand association relationship is generated between the ditch net distribution link and the irrigation planting area, and a centralized supply-demand set is generated according to the supply-demand association relationship;
step S200: recording water source demand information corresponding to each irrigation planting area in each centralized supply and demand set, and generating a water quantity regulation list; according to the water volume regulation list, respectively calculating a first satisfaction degree of the water source demand and a second satisfaction degree of the water source demand;
step S300: calculating the water source regulation coverage according to the first satisfaction of the water source demand and the second satisfaction of the water source demand; performing iterative optimization on the water source regulation coverage, recording the water source regulation coverage output by each iteration, extracting the maximum value of the water source regulation coverage, generating an optimal regulation list, and sending the optimal regulation list to related responsible persons;
step S400: in the process that related responsible persons operate according to the optimal regulation list, if a temporary water source demand appears, calculating the support degree of the temporary water source demand; judging whether to receive the temporary water source demand according to the support degree of the temporary water source demand;
According to the method, the ditch network of different irrigation areas is respectively provided with different network links and different areas and crops are planted in different areas, so that different irrigation planting areas have different water source demand information, namely different water source demand amounts and different water source demand times; in reality, supply is not possible to be supplied again when the demand exists, so that supply is not timely, supply is not possible in advance, water sources are evaporated or permeate underground to be wasted, intermittent supply according to the demand is not possible, and work load is increased.
Further, the specific implementation process of the step S100 includes:
step S101: acquiring ground agricultural space planning chart information, wherein the ground agricultural space planning chart information comprises irrigation planting area information and ditch network arrangement link information, and one ditch network arrangement link at least covers and acts on one irrigation planting area; counting and numbering all ditch network arrangement links, and marking any ditch network arrangement link as I i And i is the number of the network link in the arbitrary ditch; counting and numbering all irrigation planting areas, and marking any one of the irrigation planting areas as J j J is the number of any irrigation planting area;
step S102: setting up a supply-demand association relationship between a ditch net distribution link and an irrigation planting area, and marking the supply-demand association relationship as I i →J j Wherein the ditch network is provided with a link I i For the supplier, irrigate the planting area J j Is a demand party; in the supply and demand association relationship, the supply and demand association relationship with the common supplier is extracted, and a centralized supply and demand set is generated and recorded as A (I i )＝{J 1 ，J 2 ，...，J n And (3), wherein A (I) i ) Representing the arrangement of links I in a trench network i A centralized supply and demand set generated for centralized supplier link, J 1 ，J 2 ，...，J n Respectively represent that the links I are arranged in the trench i 1,2, n irrigation planting areas for corresponding delivery when providing water source demand under a centralized supplier link;
according to the method, firstly, ditch network arrangement links and irrigation planting areas of different irrigation areas are required to be identified and counted, then, the supply and demand association relationship is searched, and overall management is carried out on water quantity information through the supply and demand association relationship.
Further, the specific implementation process of the step S200 includes:
step S201: according to the concentrated supply and demand sets, recording water source demand information corresponding to each irrigation planting area in each concentrated supply and demand set, wherein the water source demand information comprises water source demand and water source demand time; generating a water quantity regulation list according to the water source demand information, wherein the water quantity regulation list comprises irrigation planting areas and water source demand information corresponding to the irrigation planting areas;
Step S202: the arbitrary ditch is distributed with a network link I i The minimum value of the water source demand time in the corresponding generated water quantity regulation list is used as the initial value of the water source regulation time t, and the first satisfaction of the water source demand under the water source regulation time t is calculated according to the following specific calculation formula:
SD 1 (t)＝L(t～t+T)/∑ m＝1 n L(J m )
wherein SD is 1 (T) first satisfaction of water source demand at water source regulation time T, L (T-t+T) represents water source regulation quantity within water source regulation time range T-t+T, L (J) m ) Representing a centralized supply and demand set A (I i ) Any one of the irrigation planting areas J m M is the number of irrigation planting areas, T is the time step of water source regulation time, and T= (1/V x m) Σ m＝1 n L(J m ) V represents the maximum regulated water quantity in unit time;
step S203: according to the water source regulation time t, calculating a second satisfaction degree of the water source demand under the water source regulation time t, wherein the specific calculation formula is as follows:
SD 2 (t)＝1/Q∑ t(X)∈Q(t) [t-t(X)+T/2]+1/q∑ t(Y)∈q(t) [t(Y)-t-T/2]
wherein SD is 2 (T) represents a second satisfaction of the water source demand at a water source regulation time T, Q (T) represents a set of all water source demand times before time t+T/2, Q represents the number of elements in set Q (T), T (X) represents the xth water source demand time before time t+T/2, Q (T) represents a set of all water source demand times after time t+T/2, Q represents the number of elements in set Q (T), and T (Y) represents the Yth water source demand time after time t+T/2;
According toThe method comprises the steps of performing digital analysis on different water quantity information, receiving all water source demand, and obtaining a first satisfaction degree of water source demand according to the water source regulation and control quantity corresponding to the water source regulation and control time, wherein SD (secure digital) is obtained 1 The larger (T) represents the higher the water source demand level which can be met by the regulating quantity in the water source regulating time range T-t+T; meanwhile, the water source demand time is further considered, and all the demand time is analyzed by the midpoint of the water source regulation time range T-t+T, namely t+T/2, and 1/Q sigma t(X)∈Q(t) [t-t(X)+T/2]Represents the degree of difference between the demand time and the midpoint time before the time t+T/2, 1/q t(Y)∈q(t) [t(Y)-t-T/2]Representing the difference degree of the demand time and the midpoint time after the time t+T/2, wherein the time difference degree is a parallel and game relationship, the balance of the two needs to be comprehensively considered, and then the two difference degrees are added, SD 2 The smaller (t) means that the degree of differentiation between the control time and the demand time is smaller.
Further, the implementation process of the step S300 includes:
step S301: according to the first satisfaction and the second satisfaction of the water source demand under the water source regulation time t, calculating the water source regulation coverage CA (t) =SD under the water source regulation time t 1 (t)/SD 2 (t); adjusting the water source regulation time t to enable t=d×t, wherein D is an adjustment coefficient, and iterating the water source regulation coverage;
step S302: when D is greater than T and D is greater than the ditch network arrangement link I i When the maximum value of the water source demand time in the generated water quantity regulation list corresponds, iteration is terminated; recording the water source regulation coverage of each iteration output, extracting the maximum value of the water source regulation coverage, and taking the water source regulation time corresponding to the maximum value of the water source regulation coverage as a ditch network configuration link I i Simultaneously taking the water source regulation quantity corresponding to the maximum value of the water source regulation coverage as a ditch network configuration link I i Is used for optimally regulating and controlling the water source quantity; outputting the optimal regulation time and the optimal regulation water source quantity corresponding to all ditch network configuration links, generating an optimal regulation list and sending the optimal regulation list to related responsible persons;
according to the method, in the process of regulation and optimization, the first satisfaction degree of the water source requirement is as large as possible and the second satisfaction degree of the water source requirement is as small as possible in the regulation and control time range is comprehensively considered, so that the water source regulation and control coverage degree is obtained, the larger CA (t) is the better the regulation and control effect is, and further, for each irrigation planting area, the concentrated operation can be performed as much as possible, the water source requirement is maximally met, the timely supply is ensured, and meanwhile, the waste of the water source is avoided.
Further, the specific implementation process of the step S400 includes:
step S401: in the process that related responsible persons operate according to the optimal regulation list, when a temporary water source demand appears, according to the supply-demand association relation corresponding to the temporary water source demand, the support degree of the temporary water source demand is calculated, and a specific calculation formula is as follows:
ID＝|L 0 -L(t～t+T)|/|t 0 -t-T/2|
wherein ID represents the support degree, L, of the temporary water source demand 0 Indicating the water source demand corresponding to the temporary water source demand, t 0 Indicating a water source demand time corresponding to the temporary water source demand;
step S402: presetting a water source demand support threshold, and adding the temporary water source demand into the operation process if the support of the temporary water source demand is greater than or equal to the water source demand support threshold; if the support degree of the temporary water source demand is smaller than the water source demand support degree threshold, a rejection instruction is sent to the temporary water source demand;
according to the method, in practice, there is often a sudden water demand condition, and further, according to the supply-demand association relationship corresponding to the temporary water source demand, the support degree of the temporary water source demand is calculated, |L 0 -L (T-t+t) | represents the gap between the temporary water source demand and the water source regulation amount, a larger gap representing that the temporary water source demand is easier to satisfy, |t 0 T-T/2 represents the difference between the temporary water source demand time and the midpoint of the water source regulation time range, a smaller difference represents a closer operation time range, centralized operation is not affected, and the support of the water source demand is greaterIndicating that the less impact on the existing job.
Compared with the prior art, the invention has the following beneficial effects: in the water quantity information management system and method based on digitalization, ditch network arrangement links and irrigation planting areas of different irrigation areas are identified and counted, so that a supply and demand association relationship is searched, a centralized supply and demand set is generated, and water quantity information is comprehensively managed; generating a water quantity regulation list according to the water source demand information, and calculating a first satisfaction degree of the water source demand and a second satisfaction degree of the water source demand; calculating water source regulation coverage, performing iterative optimization on the water source regulation coverage, extracting the maximum value of the water source regulation coverage, generating an optimal regulation list, and sending the optimal regulation list to related responsible persons; calculating the support degree of the temporary water source demand and judging whether the temporary water source demand is received or not; and then can make the operation time centralized as far as possible, maximize simultaneously to satisfy the water source demand, avoid the waste of water source when guaranteeing to supply in time, can combine the actual water demand condition in agricultural irrigation district, effectively guarantee peasant's practical demand.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of a digitally based water quantity information management system according to the present invention;
fig. 2 is a schematic diagram of steps of a water quantity information management method based on digitalization according to 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.
Referring to fig. 1-2, the present invention provides the following technical solutions:
referring to fig. 1, in a first embodiment: there is provided a digital-based water quantity information management system, the system comprising: the system comprises a supply-demand relation statistics module, a water source demand analysis module, an optimal regulation and control digital module and a real-time decision module;
The supply-demand relation statistics module is used for carrying out statistics on all ditch network distribution links and all irrigation planting areas according to the ground agricultural space planning diagram information; the method comprises the steps that a ditch net distribution link is taken as a supplier, an irrigation planting area is taken as a demand, a supply-demand association relationship is generated between the ditch net distribution link and the irrigation planting area, and a centralized supply-demand set is generated according to the supply-demand association relationship;
the supply-demand relationship statistics module also comprises a ground agriculture planning map information identification unit and a supply-demand association relationship analysis unit;
the ground agricultural planning map information identification unit is used for acquiring ground agricultural space planning map information, wherein the ground agricultural planning map information comprises irrigation planting area information and ditch network arrangement link information, and one ditch network arrangement link at least covers and acts on one irrigation planting area; counting and numbering all ditch network arrangement links, and marking any ditch network arrangement link as I i And i is the number of the network link in the arbitrary ditch; counting and numbering all irrigation planting areas, and marking any one of the irrigation planting areas as J j J is the number of any irrigation planting area;
The supply and demand association relation analysis unit is used for constructing a supply and demand association relation between the ditch net distribution link and the irrigation planting area, and marking the supply and demand association relation as I i →J j Wherein the ditch network is provided with a link I i For the supplier, irrigate the planting area J j Is a demand party; in the supply and demand association relationship, the supply and demand association relationship with the common supplier is extracted, and a centralized supply and demand set is generated and recorded as A (I i )＝{J 1 ，J 2 ，...，J n And (3), wherein A (I) i ) Representing the arrangement of links I in a trench network i Generating for centralized supplier linkIntegrated supply and demand set, J 1 ，J 2 ，...，J n Respectively represent that the links I are arranged in the trench i 1,2, n irrigation planting areas for corresponding delivery when providing water source demand under a centralized supplier link;
the water source demand analysis module is used for recording water source demand information corresponding to each irrigation planting area in each centralized supply and demand set and generating a water quantity regulation list; according to the water volume regulation list, respectively calculating a first satisfaction degree of the water source demand and a second satisfaction degree of the water source demand;
the water source demand analysis module further comprises a water quantity regulation and control list generation unit, a water source demand first satisfaction calculation unit and a water source demand second satisfaction calculation unit;
the water quantity regulation list generation unit records water source demand information corresponding to each irrigation planting area in each centralized supply and demand set according to the centralized supply and demand set, wherein the water source demand information comprises water source demand and water source demand time; generating a water quantity regulation list according to the water source demand information, wherein the water quantity regulation list comprises irrigation planting areas and water source demand information corresponding to the irrigation planting areas;
A first satisfaction calculating unit for water source demand, wherein any ditch is set with a network link I i The minimum value of the water source demand time in the corresponding generated water quantity regulation list is used as an initial value of the water source regulation time t, and the first satisfaction of the water source demand under the water source regulation time t is calculated;
the water source demand second satisfaction calculating unit calculates the water source demand second satisfaction under the water source regulation time t according to the water source regulation time t;
the optimal regulation and control digital module calculates the water source regulation and control coverage according to the first satisfaction of the water source demand and the second satisfaction of the water source demand; performing iterative optimization on the water source regulation coverage, recording the water source regulation coverage output by each iteration, extracting the maximum value of the water source regulation coverage, generating an optimal regulation list, and sending the optimal regulation list to related responsible persons;
the optimal regulation and control digital module further comprises a water source regulation and control coverage calculating unit and an optimal regulation and control list generating unit;
the water source regulation coverage calculation unit calculates the water source regulation coverage under the water source regulation time t according to the first satisfaction and the second satisfaction of the water source demand under the water source regulation time t; adjusting the water source regulation time t to enable t=d×t, wherein D is an adjustment coefficient, and iterating the water source regulation coverage;
An optimal regulation list generation unit for generating a channel network arrangement link I when the first occurrence of D+t is greater than the first occurrence of D+t i When the maximum value of the water source demand time in the generated water quantity regulation list corresponds, iteration is terminated; recording the water source regulation coverage of each iteration output, extracting the maximum value of the water source regulation coverage, and taking the water source regulation time corresponding to the maximum value of the water source regulation coverage as a ditch network configuration link I i Simultaneously taking the water source regulation quantity corresponding to the maximum value of the water source regulation coverage as a ditch network configuration link I i Is used for optimally regulating and controlling the water source quantity; outputting the optimal regulation time and the optimal regulation water source quantity corresponding to all ditch network configuration links, generating an optimal regulation list and sending the optimal regulation list to related responsible persons;
the real-time decision module is used for calculating the support degree of the temporary water source demand if the temporary water source demand appears in the process of operating according to the optimal regulation list by related responsible persons; judging whether to receive the temporary water source demand according to the support degree of the temporary water source demand;
the real-time decision module also comprises a water source demand support degree calculation unit and a real-time decision judgment unit;
the water source demand support degree calculation unit is used for calculating the support degree of the temporary water source demand according to the supply-demand association relation corresponding to the temporary water source demand when the temporary water source demand appears in the process of operating according to the optimal regulation list by related responsible persons;
The real-time decision judging unit is used for presetting a water source demand support threshold, and adding the temporary water source demand into the operation process if the support of the temporary water source demand is greater than or equal to the water source demand support threshold; and if the support degree of the temporary water source requirement is smaller than the water source requirement support degree threshold, a rejection instruction is sent to the temporary water source requirement.
Referring to fig. 2, in the second embodiment: there is provided a water quantity information management method based on digitization, the method comprising the steps of:
counting all ditch net distribution links and all irrigation planting areas according to the ground agricultural space planning chart information; the method comprises the steps that a ditch net distribution link is taken as a supplier, an irrigation planting area is taken as a demand, a supply-demand association relationship is generated between the ditch net distribution link and the irrigation planting area, and a centralized supply-demand set is generated according to the supply-demand association relationship;
acquiring ground agricultural space planning chart information, wherein the ground agricultural space planning chart information comprises irrigation planting area information and ditch network arrangement link information, and one ditch network arrangement link at least covers and acts on one irrigation planting area; counting and numbering all ditch network arrangement links, and marking any ditch network arrangement link as I i And i is the number of the network link in the arbitrary ditch; counting and numbering all irrigation planting areas, and marking any one of the irrigation planting areas as J j J is the number of any irrigation planting area;
setting up a supply-demand association relationship between a ditch net distribution link and an irrigation planting area, and marking the supply-demand association relationship as I i →J j Wherein the ditch network is provided with a link I i For the supplier, irrigate the planting area J j Is a demand party; in the supply and demand association relationship, the supply and demand association relationship with the common supplier is extracted, and a centralized supply and demand set is generated and recorded as A (I i )＝{J 1 ，J 2 ，...，J n And (3), wherein A (I) i ) Representing the arrangement of links I in a trench network i A centralized supply and demand set generated for centralized supplier link, J 1 ，J 2 ，...，J n Respectively represent that the links I are arranged in the trench i 1,2, n irrigation planting areas for corresponding delivery when providing water source demand under a centralized supplier link;
recording water source demand information corresponding to each irrigation planting area in each centralized supply and demand set, and generating a water quantity regulation list; according to the water volume regulation list, respectively calculating a first satisfaction degree of the water source demand and a second satisfaction degree of the water source demand;
according to the concentrated supply and demand sets, recording water source demand information corresponding to each irrigation planting area in each concentrated supply and demand set, wherein the water source demand information comprises water source demand and water source demand time; generating a water quantity regulation list according to the water source demand information, wherein the water quantity regulation list comprises irrigation planting areas and water source demand information corresponding to the irrigation planting areas;
For example, a certain large irrigation area has 10 ditch links, wherein a certain ditch link has 5 irrigation planting areas, the areas of the 5 irrigation planting areas are different, and the planted crops are different, so that the 5 irrigation planting areas have different water source demand information, namely different water source demand amounts and different water source demand times; wherein, the water source demand that these 5 irrigated planting areas correspond is respectively: 60. 80, 100, 120 and 200, the corresponding water source demand times are 7, 10, 12, 18 and 20, respectively;
the arbitrary ditch is distributed with a network link I i The minimum value of the water source demand time in the corresponding generated water quantity regulation list is used as the initial value of the water source regulation time t, and the first satisfaction of the water source demand under the water source regulation time t is calculated according to the following specific calculation formula:
SD 1 (t)＝L(t～t+T)/∑ m＝1 n L(J m )
wherein SD is 1 (T) first satisfaction of water source demand at water source regulation time T, L (T-t+T) represents water source regulation quantity within water source regulation time range T-t+T, L (J) m ) Representing a centralized supply and demand set A (I i ) Any one of the irrigation planting areas J m M is the number of irrigation planting areas, T is the time step of water source regulation time, and T= (1/V x m) Σ m＝1 n L(J m ) V represents the maximum regulated water quantity in unit time;
according to the water source regulation time t, calculating a second satisfaction degree of the water source demand under the water source regulation time t, wherein the specific calculation formula is as follows:
SD 2 (t)＝1/Q∑ t(X)∈Q(t) [t-t(X)+T/2]+1/q∑ t(Y)∈q(t) [t(Y)-t-T/2]
wherein SD is 2 (T) represents a second satisfaction of the water source demand at a water source regulation time T, Q (T) represents a set of all water source demand times before time t+T/2, Q represents the number of elements in set Q (T), T (X) represents the xth water source demand time before time t+T/2, Q (T) represents a set of all water source demand times after time t+T/2, Q represents the number of elements in set Q (T), and T (Y) represents the Yth water source demand time after time t+T/2;
calculating the water source regulation coverage according to the first satisfaction of the water source demand and the second satisfaction of the water source demand; performing iterative optimization on the water source regulation coverage, recording the water source regulation coverage output by each iteration, extracting the maximum value of the water source regulation coverage, generating an optimal regulation list, and sending the optimal regulation list to related responsible persons;
according to the first satisfaction and the second satisfaction of the water source demand under the water source regulation time t, calculating the water source regulation coverage CA (t) =SD under the water source regulation time t 1 (t)/SD 2 (t); adjusting the water source regulation time t to enable t=d×t, wherein D is an adjustment coefficient, and iterating the water source regulation coverage;
for example, at iteration 5, the water source control time t= (1+5×0.04) ×7=8.4 is obtained, where 1+5×0.04 is the adjustment coefficient, t= (1/v×m) Σ m＝1 n L(J m ) = (60+80+100+120+200)/(5×18) ≡6, wherein v=18, the water source regulation time range is 8.4-14.4; meanwhile, L (8.4-14.4) =18×6+200=308, wherein 200 is the original water quantity in a certain ditch link, SD 1 (8.4) =308/560=0.55; t+t/2=11.4, then the water supply demand times before 11.4 are 7 and 10, and the water supply demand times after 11.4 are 12, 18 and 20, then
SD 2 (8.4) =1/2 (11.4-7+11.4-10) +1/3 (12-11.4+18-11.4+20-11.4) ≡8.2), then CA (8.4) =0.55/8.2≡0.07；
When D is greater than T and D is greater than the ditch network arrangement link I i When the maximum value of the water source demand time in the generated water quantity regulation list corresponds, iteration is terminated; recording the water source regulation coverage of each iteration output, extracting the maximum value of the water source regulation coverage, and taking the water source regulation time corresponding to the maximum value of the water source regulation coverage as a ditch network configuration link I i Simultaneously taking the water source regulation quantity corresponding to the maximum value of the water source regulation coverage as a ditch network configuration link I i Is used for optimally regulating and controlling the water source quantity; outputting the optimal regulation time and the optimal regulation water source quantity corresponding to all ditch network configuration links, generating an optimal regulation list and sending the optimal regulation list to related responsible persons;
in the process that related responsible persons operate according to the optimal regulation list, if a temporary water source demand appears, calculating the support degree of the temporary water source demand; judging whether to receive the temporary water source demand according to the support degree of the temporary water source demand;
in the process that related responsible persons operate according to the optimal regulation list, when a temporary water source demand appears, according to the supply-demand association relation corresponding to the temporary water source demand, the support degree of the temporary water source demand is calculated, and a specific calculation formula is as follows:
ID＝|L 0 -L(t～t+T)|/|t 0 -t-T/2|
wherein ID represents the support degree, L, of the temporary water source demand 0 Indicating the water source demand corresponding to the temporary water source demand, t 0 Indicating a water source demand time corresponding to the temporary water source demand;
presetting a water source demand support threshold, and adding the temporary water source demand into the operation process if the support of the temporary water source demand is greater than or equal to the water source demand support threshold; if the support degree of the temporary water source demand is smaller than the water source demand support degree threshold, a rejection instruction is sent to the temporary water source demand;
For example, the temporary water source demand corresponds to the water source demand L 0 Time t of temporary water supply demand corresponding to time t of temporary water supply demand =90 0 =9, then id=And (3) adding the temporary water source requirement into the operation process if the support degree threshold of the water source requirement is preset to be 70, wherein the support degree threshold of the water source requirement is 90-308/9-11.4/about 90.8.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention and is not intended to limit the present invention, but although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. A water quantity information management method based on digitalization, which is characterized by comprising the following steps:
step S100: counting all ditch net distribution links and all irrigation planting areas according to the ground agricultural space planning chart information; the method comprises the steps that a ditch net distribution link is taken as a supplier, an irrigation planting area is taken as a demand, a supply-demand association relationship is generated between the ditch net distribution link and the irrigation planting area, and a centralized supply-demand set is generated according to the supply-demand association relationship;
step S200: recording water source demand information corresponding to each irrigation planting area in each centralized supply and demand set, and generating a water quantity regulation list; according to the water volume regulation list, respectively calculating a first satisfaction degree of the water source demand and a second satisfaction degree of the water source demand;
step S300: calculating the water source regulation coverage according to the first satisfaction of the water source demand and the second satisfaction of the water source demand; performing iterative optimization on the water source regulation coverage, recording the water source regulation coverage output by each iteration, extracting the maximum value of the water source regulation coverage, generating an optimal regulation list, and sending the optimal regulation list to related responsible persons;
step S400: in the process that related responsible persons operate according to the optimal regulation list, if a temporary water source demand appears, calculating the support degree of the temporary water source demand; judging whether to receive the temporary water source demand according to the support degree of the temporary water source demand;
The specific implementation process of the step S100 includes:
step S101: acquiring ground agricultural space planning chart information, wherein the ground agricultural space planning chart information comprises irrigation planting area information and ditch network arrangement link information, and one ditch network arrangement link at least covers and acts on one irrigation planting area; counting and numbering all ditch network arrangement links, and marking any ditch network arrangement link as I i And i is the number of the network link in the arbitrary ditch; counting and numbering all irrigation planting areas, and marking any one of the irrigation planting areas as J j J is the number of any irrigation planting area;
step S102: setting up a supply-demand association relationship between a ditch net distribution link and an irrigation planting area, and marking the supply-demand association relationship as I i →J j Wherein the ditch network is provided with a link I i For the supplier, irrigate the planting area J j Is a demand party; in the supply and demand association relationship, the supply and demand association relationship with the common supplier is extracted, and a centralized supply and demand set is generated and recorded as A (I i )={J 1 ，J 2 ，...，J n And (3), wherein A (I) i ) Representing the arrangement of links I in a trench network i A centralized supply and demand set generated for centralized supplier link, J 1 ，J 2 ，...，J n Respectively expressed in the form ofDitch net arrangement link I i 1,2, n irrigation planting areas for corresponding delivery when providing water source demand under a centralized supplier link;
the specific implementation process of the step S200 includes:
step S201: according to the concentrated supply and demand sets, recording water source demand information corresponding to each irrigation planting area in each concentrated supply and demand set, wherein the water source demand information comprises water source demand and water source demand time; generating a water quantity regulation list according to the water source demand information, wherein the water quantity regulation list comprises irrigation planting areas and water source demand information corresponding to the irrigation planting areas;
step S202: the arbitrary ditch is distributed with a network link I i The minimum value of the water source demand time in the corresponding generated water quantity regulation list is used as the initial value of the water source regulation time t, and the first satisfaction of the water source demand under the water source regulation time t is calculated according to the following specific calculation formula:
；
wherein SD is 1 (T) represents a first satisfaction degree of water source demand at a water source regulation time T, L (T-t+T) represents a water source regulation amount within the water source regulation time range T-t+T, and L (J) m ) Representing a centralized supply and demand set A (I i ) Any one of the irrigation planting areas J m M is the number of irrigation planting areas, T is the time step of water source regulation time, and V represents the maximum regulated water quantity in unit time;
step S203: according to the water source regulation time t, calculating a second satisfaction degree of the water source demand under the water source regulation time t, wherein the specific calculation formula is as follows:
SD 2 (t)=1/Q∑ t(X)∈Q(t) [t-t(X)+T/2]+1/q∑ t(Y)∈q(t) [t(Y)-t-T/2]
wherein SD is 2 (t) represents the water source demand at the water source regulation time tTwo satisfaction degrees, Q (T) represents a set consisting of all water source demand times before time t+T/2, Q represents the number of elements in set Q (T), T (X) represents the xth water source demand time before time t+T/2, Q (T) represents a set consisting of all water source demand times after time t+T/2, Q represents the number of elements in set Q (T), and T (Y) represents the Yth water source demand time after time t+T/2;
the specific implementation process of the step S300 includes:
step S301: according to the first satisfaction of the water source demand and the second satisfaction of the water source demand at the water source regulation time t, calculating the water source regulation coverage CA (t) =SD at the water source regulation time t 1 (t)/SD 2 (t); adjusting the water source regulation time t to enable t=d×t, wherein D is an adjustment coefficient, and iterating the water source regulation coverage;
step S302: when D is greater than T and D is greater than the ditch network arrangement link I i When the maximum value of the water source demand time in the generated water quantity regulation list corresponds, iteration is terminated; recording the water source regulation coverage of each iteration output, extracting the maximum value of the water source regulation coverage, and taking the water source regulation time corresponding to the maximum value of the water source regulation coverage as a ditch network configuration link I i Simultaneously taking the water source regulation quantity corresponding to the maximum value of the water source regulation coverage as a ditch network configuration link I i Is an optimal water source regulation and control amount; outputting the optimal regulation time and the optimal water source regulation quantity corresponding to all ditch network configuration links, generating an optimal regulation list and sending the optimal regulation list to related responsible persons;
the specific implementation process of the step S400 includes:
step S401: in the process that related responsible persons operate according to the optimal regulation list, when a temporary water source demand appears, according to the supply-demand association relation corresponding to the temporary water source demand, the support degree of the temporary water source demand is calculated, and a specific calculation formula is as follows:
ID=|L 0 -L(t～t+T)|/|t 0 -t-T/2|
wherein ID represents the support degree, L, of the temporary water source demand 0 Indicating the water corresponding to the temporary water source demandSource demand, t 0 Indicating a water source demand time corresponding to the temporary water source demand;
step S402: presetting a water source demand support threshold, and adding the temporary water source demand into the operation process if the support of the temporary water source demand is greater than or equal to the water source demand support threshold; and if the support degree of the temporary water source requirement is smaller than the water source requirement support degree threshold, a rejection instruction is sent to the temporary water source requirement.
2. A digitally based water quantity information management system, the system comprising: the system comprises a supply-demand relation statistics module, a water source demand analysis module, an optimal regulation and control digital module and a real-time decision module;
the supply-demand relation statistics module is used for carrying out statistics on all ditch net distribution links and all irrigation planting areas according to the ground agricultural space planning diagram information; the method comprises the steps that a ditch net distribution link is taken as a supplier, an irrigation planting area is taken as a demand, a supply-demand association relationship is generated between the ditch net distribution link and the irrigation planting area, and a centralized supply-demand set is generated according to the supply-demand association relationship;
the water source demand analysis module is used for recording water source demand information corresponding to each irrigation planting area in each centralized supply and demand set and generating a water quantity regulation list; according to the water volume regulation list, respectively calculating a first satisfaction degree of the water source demand and a second satisfaction degree of the water source demand;
the optimal regulation and control digital module calculates the water source regulation and control coverage according to the first satisfaction of the water source demand and the second satisfaction of the water source demand; performing iterative optimization on the water source regulation coverage, recording the water source regulation coverage output by each iteration, extracting the maximum value of the water source regulation coverage, generating an optimal regulation list, and sending the optimal regulation list to related responsible persons;
The real-time decision module is used for calculating the support degree of the temporary water source demand if the temporary water source demand appears in the process of the operation of the related responsible person according to the optimal regulation list; judging whether to receive the temporary water source demand according to the support degree of the temporary water source demand;
the supply and demand relation statistics module comprises a ground agricultural space planning chart information identification unit and a supply and demand association relation analysis unit;
the ground agricultural space planning map information identification unit is used for acquiring ground agricultural space planning map information, wherein the ground agricultural space planning map information comprises irrigation planting area information and ditch network arrangement link information, and one ditch network arrangement link at least covers and acts on one irrigation planting area; counting and numbering all ditch network arrangement links, and marking any ditch network arrangement link as I i And i is the number of the network link in the arbitrary ditch; counting and numbering all irrigation planting areas, and marking any one of the irrigation planting areas as J j J is the number of any irrigation planting area;
the supply and demand association relation analysis unit is used for constructing a supply and demand association relation between the ditch net distribution link and the irrigation planting area, and marking the supply and demand association relation as I i →J j Wherein the ditch network is provided with a link I i For the supplier, irrigate the planting area J j Is a demand party; in the supply and demand association relationship, the supply and demand association relationship with the common supplier is extracted, and a centralized supply and demand set is generated and recorded as A (I i )={J 1 ，J 2 ，...，J n And (3), wherein A (I) i ) Representing the arrangement of links I in a trench network i A centralized supply and demand set generated for centralized supplier link, J 1 ，J 2 ，...，J n Respectively represent that the links I are arranged in the trench i 1,2, n irrigation planting areas for corresponding delivery when providing water source demand under a centralized supplier link;
the water source demand analysis module comprises a water quantity regulation and control list generation unit, a water source demand first satisfaction calculation unit and a water source demand second satisfaction calculation unit;
the water quantity regulation list generation unit records water source demand information corresponding to each irrigation planting area in each centralized supply and demand set according to the centralized supply and demand set, wherein the water source demand information comprises water source demand and water source demand time; generating a water quantity regulation list according to the water source demand information, wherein the water quantity regulation list comprises irrigation planting areas and water source demand information corresponding to the irrigation planting areas;
the first satisfaction calculating unit of the water source demand is used for setting a network link I of any ditch i The minimum value of the water source demand time in the corresponding generated water quantity regulation list is used as the initial value of the water source regulation time t, and the first satisfaction of the water source demand under the water source regulation time t is calculated according to the following specific calculation formula:
；
wherein SD is 1 (T) represents a first satisfaction degree of water source demand at a water source regulation time T, L (T-t+T) represents a water source regulation amount within the water source regulation time range T-t+T, and L (J) m ) Representing a centralized supply and demand set A (I i ) Any one of the irrigation planting areas J m M is the number of irrigation planting areas, T is the time step of water source regulation time, andv represents the maximum regulated water quantity in unit time;
the water source demand second satisfaction calculating unit calculates the water source demand second satisfaction under the water source regulation time t according to the water source regulation time t, and the specific calculation formula is as follows:
SD 2 (t)=1/Q∑ t(X)∈Q(t) [t-t(X)+T/2]+1/q∑ t(Y)∈q(t) [t(Y)-t-T/2]
wherein SD is 2 (T) represents a second satisfaction of the water source demand at the water source regulation time T, Q (T) represents a set of all water source demand times before the time t+T/2, Q represents the number of elements in the set Q (T), T (X) represents the X-th water source demand time before the time t+T/2, Q (T) represents a set of all water source demand times after the time t+T/2, Q represents the number of elements in the set Q (T), and T (Y) represents the number of elements in the set Q (T) after the time t+T/2 Y water source demand time;
the optimal regulation and control digitizing module comprises a water source regulation and control coverage calculating unit and an optimal regulation and control list generating unit;
the water source regulation coverage calculating unit calculates water source regulation coverage CA (t) =SD under the water source regulation time t according to the first water source demand satisfaction and the second water source demand satisfaction under the water source regulation time t 1 (t)/SD 2 (t); adjusting the water source regulation time t to enable t=d×t, wherein D is an adjustment coefficient, and iterating the water source regulation coverage;
the optimal regulation list generation unit is used for generating a channel network arrangement link I when Dxt+T is larger than the channel network arrangement link I for the first time i When the maximum value of the water source demand time in the generated water quantity regulation list corresponds, iteration is terminated; recording the water source regulation coverage of each iteration output, extracting the maximum value of the water source regulation coverage, and taking the water source regulation time corresponding to the maximum value of the water source regulation coverage as a ditch network configuration link I i Simultaneously taking the water source regulation quantity corresponding to the maximum value of the water source regulation coverage as a ditch network configuration link I i Is an optimal water source regulation and control amount; outputting the optimal regulation time and the optimal water source regulation quantity corresponding to all ditch network configuration links, generating an optimal regulation list and sending the optimal regulation list to related responsible persons;
The real-time decision module comprises a water source demand support degree calculation unit and a real-time decision judgment unit;
the water source demand support degree calculating unit is used for calculating the support degree of the temporary water source demand according to the supply-demand association relation corresponding to the temporary water source demand when the temporary water source demand occurs in the process that related responsible persons operate according to the optimal regulation list, and the specific calculation formula is as follows:
ID=|L 0 -L(t～t+T)|/|t 0 -t-T/2|
wherein ID represents the support degree, L, of the temporary water source demand 0 Indicating the water source demand corresponding to the temporary water source demand, t 0 Indicating a water source demand time corresponding to the temporary water source demand;
the real-time decision judging unit is used for presetting a water source demand support threshold, and adding the temporary water source demand into the operation process if the support of the temporary water source demand is greater than or equal to the water source demand support threshold; and if the support degree of the temporary water source requirement is smaller than the water source requirement support degree threshold, a rejection instruction is sent to the temporary water source requirement.
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