CN108121895A - Computational methods - Google Patents
Computational methods Download PDFInfo
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- CN108121895A CN108121895A CN201711452321.5A CN201711452321A CN108121895A CN 108121895 A CN108121895 A CN 108121895A CN 201711452321 A CN201711452321 A CN 201711452321A CN 108121895 A CN108121895 A CN 108121895A
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- mrow
- sprinkling irrigation
- munder
- msub
- irrigation
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/16—Control of watering
- A01G25/165—Cyclic operations, timing systems, timing valves, impulse operations
-
- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16Z—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS, NOT OTHERWISE PROVIDED FOR
- G16Z99/00—Subject matter not provided for in other main groups of this subclass
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
Landscapes
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Catching Or Destruction (AREA)
Abstract
The present invention relates to a kind of computational methods of the lower sprinkling irrigation time of the combination sprinkling irrigation based on sprinkling irrigation overlap factor, be according to sprinkling irrigation overlap factor sprinkling irrigation time t ' and prediction unit area needed for sprinkling irrigation amount W relation introduce application rate of sprinkler irrigation matrix and sprinkling irrigation overlap factor after effectively eliminate on spacing to single spray time effects, and using spray overlap factor for sprinkling irrigation the time calculating it is more accurate.Not only the sprinkling irrigation time of different overlap factor area crops obtains good control, it is thus also avoided that a series of problems caused by application rate of sprinkler irrigation unevenness, and water resource is greatly saved.
Description
Technical field
The present invention is specifically related to a kind of computational methods of the lower sprinkling irrigation time of the combination sprinkling irrigation based on sprinkling irrigation overlap factor, belongs to
It precisely sprays under background of applying IT extensively to agricultural development field more particularly to field planting, greenhouse production, the plantation of large area farm, gardens
Crop spraying or the equivalent irrigation of other near fields in greening.
Background technology
Moisture be maintain crops vital movement important substance and plant growing process in maximum consumables,
Timely and appropriate discovery supplies moisture to crops, can accomplish not only using water wisely, but also higher yield of crops is made to get bumper crops.Traditional approach sprinkling irrigation behaviour
Make simple, but have that such as irrigation water is more, utilization rate is very low, application rate of sprinkler irrigation is excessive or too small, uniformity coefficient of sprinkler irrigation is poor and appearance
The problems such as easily causing the hardening soil, and spray caused by the alternate layout and itself sprinkling irrigation characteristic seldom in view of more sprinkling irrigation equipments
Intensity and the otherness of average degree are filled, and then erroneous estimation is caused to required sprinkling irrigation amount and sprinkling irrigation time.Therefore, sprayed in crop
In the case that filling amount determines, particularly crop spraying time prediction is particularly important in the case where combination is sprayed.Given this, making
There is an urgent need for the accurate calculation methods of research sprinkling irrigation time in the case of object sprinkling irrigation amount is known.
The content of the invention
The shortcomings that technical problems to be solved by the invention are, overcome the prior art, provide it is a kind of based on sprinkling irrigation overlapping because
The accurate calculation method of the sprinkling irrigation time of son, suitable for scene known to combination sprinkling irrigation and crop spraying amount.
In order to solve the above technical problems, when the present invention provides sprinkling irrigation under a kind of combination sprinkling irrigation based on sprinkling irrigation overlap factor
Between computational methods, it is characterised in that including following steps：
The first step, region division that sprinkling irrigation equipment sprays to it are into the matrix ρ on application rate of sprinkler irrigation；And set overlap factor
Matrix is F；
Second step sets the application rate of sprinkler irrigation matrix of superposition as ρ ', ρi,jCorrespond to single nozzle institute in combination sprinkling irrigation for measure
The application rate of sprinkler irrigation in each small square/rectangle region under overlay area；The application rate of sprinkler irrigation Matrix Formula that it is superimposed is as follows：
ρ '=ρ+F o rot180 (ρ) (1)
Wherein, rot180 (ρ) represents matrix ρ rotating clockwise 180 degree；
3rd step sets net sprinkling irrigation water as W, and crop spraying effective area is S, irrigating water quota m, then：
W=mS (2)
4th step sets the sprinkling irrigation time as t, unit h；The average application rate of sprinkler irrigation of spray irrigation system is that ρ units are：Mm/h, then：
To with area under the identical sprinkling irrigation amount of crop, application rate of sprinkler irrigation under normal circumstances is set toThere are overlap factor feelings
Application rate of sprinkler irrigation under condition is set toThe corresponding identical irrigating water quota lower time is t and t ', then：
I.e.：
5th step, application rate of sprinkler irrigationCalculation formula it is as follows：
Wherein：ρi,jFor the specific intensity of each zonule in application rate of sprinkler irrigation matrix ρ, wherein ρ 'i,jAfter being finally superimposed
The specific intensity of each zonule in application rate of sprinkler irrigation matrix ρ ', Δ S are each zonule area, and a, b are respectively application rate of sprinkler irrigation square
The ranks number of battle array, t are the sprinkling irrigation time, and i, j value ranges are respectively (1~a), (1~b)；
Similarly acquire：
Have under corresponding single sprinkling irrigation region application rate of sprinkler irrigation：
ρ is application rate of sprinkler irrigation, KwFor wind coefficient, η is lost for water efficiency of irrigation, that is, nozzle, QPFor capacity of sprinkler, b0For branch
Tube spacing, l0For nozzle spacing, S is the area to be sprayed, then：
S=b0l0(10)
6th step brings formula (6), (7), (8), (9), (10) in formula (5) into, obtains the sprinkling irrigation of sprinkling irrigation overlap factor
Time t ' and the relation formula of the sprinkling irrigation amount W needed for the unit area of prediction are as follows：
The technical solution that further limits of the present invention is：The overlap factor is sprinkling irrigation overlapping region application rate of sprinkler irrigation coefficient
It is superimposed coefficient, the matrix that the sprinkling irrigation overlap factor matrix F is formed for the sprinkling irrigation superposition factor.
Further, the overlap factor matrix F is suitable for the rectangular distribution of sprinkling irrigation equipment or the combination of angular distribution spray
It fills.
Further, the overlap factor matrix is 3*3 matrixes.
Further, the overlap factor matrix is the combination sprinkling irrigation suitable for the square distribution of sprinkling irrigation equipment.
Further, the meter for combining overlap factor value in sprinkling irrigation matrix of the square distribution of the sprinkling irrigation equipment
Calculation method includes following steps：
1) α is setOn、αUnder、αIt is left、αIt is rightCorrespond respectively to the overlap factor value of the overlapping region up and down of square matrices；αOn、
αUnder、αIt is left、αIt is rightUnit is application rate of sprinkler irrigation unit；
2) judge whether adjacent area has sprinkling irrigation equipment to spray above the sprinkling irrigation zonule, if so, then αOn=α 'On,
If nothing, αOn=0；
3) judge whether adjacent area has sprinkling irrigation equipment to spray below the sprinkling irrigation zonule, if so, then αUnder=α 'Under,
If nothing, αUnder=0；
4) judge whether the sprinkling irrigation zonule left side adjacent area has sprinkling irrigation equipment to spray, if so, then αIt is left=α 'It is left,
If nothing, αIt is left=0；
5) judge whether adjacent area has sprinkling irrigation equipment to spray on the right of the sprinkling irrigation zonule, if so, then αIt is right=α 'It is right,
If nothing, αIt is right=0.
Further, the overlap factor matrix is sprayed for sprinkling irrigation equipment in the combination of angular distribution.
Further, the computational methods for combining overlap factor value in sprinkling irrigation matrix of sprinkling irrigation equipment distribution triangular in shape
Including following steps：
1) β is setUpper left、β′It is left、βLower-left、βUpper right、β′It is right、βBottom rightThe overlap factor value of corresponding region is corresponded to respectively；β′It is leftWith β 'It is rightTo be comprehensive
Close the left side, the overlap factor value of the right adjacent area；
2) judge whether the sprinkling irrigation zonule upper left side adjacent area has sprinkling irrigation equipment to spray, if so, then βUpper left=
β′Upper leftIf nothing, βUpper left=0；
3) judge whether the sprinkling irrigation zonule left side adjacent area has sprinkling irrigation equipment to spray, if so, then β 'It is left=β "It is left,
If nothing, β 'It is left=0；
4) judge whether the sprinkling irrigation zonule lower-left adjacent area has sprinkling irrigation equipment to spray, if so, then βLower-left=β
′Lower-leftIf nothing, βLower-left=0；
5) judge whether the sprinkling irrigation zonule upper right adjacent area has sprinkling irrigation equipment to spray, if so, then βUpper right=β
′Upper rightIf nothing, βUpper right=0；
6) judge whether adjacent area has sprinkling irrigation equipment to spray on the right of the sprinkling irrigation zonule, if so, then β 'It is right=β "It is right,
If nothing, β 'It is right=0；
7) judge whether the sprinkling irrigation zonule bottom right adjacent area has sprinkling irrigation equipment to spray, if so, then βBottom right=β
′Bottom rightIf nothing, βBottom right=0.
Further, the overlap factor matrix and application rate of sprinkler irrigation matrix can be 5*5,7*7 or 5*3 equal matrix.
The beneficial effects of the invention are as follows：Present invention introduces effectively eliminated after application rate of sprinkler irrigation matrix and sprinkling irrigation overlap factor
On spacing to single sprinkling irrigation time effects, and it is more accurate for the calculating of sprinkling irrigation time using overlap factor of spraying.Not only not
The sprinkling irrigation time of negative lap region crop obtains good control, it is thus also avoided that a series of caused by application rate of sprinkler irrigation unevenness to ask
Topic, and water resource is greatly saved.
Description of the drawings
Fig. 1 is the square combination sprinkling irrigation matrix arrangements figure with equilateral triangle distribution of sprinkling irrigation equipment in the present embodiment.
Fig. 2 is application rate of sprinkler irrigation and overlap factor distribution schematic diagram under 3*3 regions in the present embodiment invention.
Specific embodiment
Embodiment 1
The present embodiment be using the single region of being sprayed irrigation volume prediction, consider combination sprinkling irrigation superposition, the gradient,
The influence of distribution mode and spacing to effect of spraying, with sprinkling irrigation equipment to sprinkling irrigation region on application rate of sprinkler irrigation one square of formation
Battle array then, by taking 3*3 squares and triangles matrix area corresponds to arrangement as an example, forms application rate of sprinkler irrigation matrix as shown in Figure 1, wherein
Five-pointed star represents sprinkling irrigation equipment.
Known wind speed, wind direction, the gradient, spacing influence application rate of sprinkler irrigation and uniformity coefficient of sprinkler irrigation, and wind speed and direction can be by sensor
It measures, and each regional slope is known quantity, what the spacing of sprinkling irrigation equipment was also to determine, it is connect at this time using the spherical shape of angle adjustable
Head according to document " globe joint hue angle is sprayed applied to hillside fields ", approximate can ignore influence of the gradient to sprinkling irrigation at this time, examine
The influence of wind speed, wind direction to sprinkling irrigation is considered, if KwFor wind coefficient.If b0For branch tube spacing, l0For nozzle spacing.Under positive triangle arrangement
The form of 5*3 can also be used.As shown in Figure 2：Application rate of sprinkler irrigation matrix is ρ, if overlap factor matrix is F.
During if arranged in squares, then
F=FA (1)
When being arranged if positive triangle, then
F=FB (2)
In square overlap factor matrix F A, αOn、αUnder、αIt is left、αIt is rightCorrespond respectively to the overlapping of overlapping region up and down because
Subvalue；αOn、αUnder、αIt is left、αIt is rightUnit is application rate of sprinkler irrigation unit.Judge whether adjacent area has sprinkling irrigation to set above the sprinkling irrigation zonule
It is standby to spray, if so, then αOn=α 'OnIf nothing, αOn=0；Similarly judge whether there there is adjacent area below the sprinkling irrigation zonule
Sprinkling irrigation equipment is sprayed, if so, then αUnder=α 'UnderIf nothing, αUnder=0；Similarly judge the sprinkling irrigation zonule left side adjacent area
Whether there is sprinkling irrigation equipment to spray, if so, then αIt is left=α 'It is leftIf nothing, αIt is left=0；Similarly judge phase on the right of the sprinkling irrigation zonule
Whether neighbouring region has sprinkling irrigation equipment to spray, if so, then αIt is right=α 'It is rightIf nothing, αIt is right=0.
In positive triangle overlap factor matrix F B, βUpper left、β′It is left、βLower-left、βUpper right、β′It is right、βBottom rightCorresponding region is similarly corresponded to respectively
Overlap factor value.β′It is leftWith β 'It is rightFor the comprehensive left side, the overlap factor value of the right adjacent area；Judge the sprinkling irrigation zonule upper left side
Whether adjacent area has sprinkling irrigation equipment to spray, if so, then βUpper left=β 'Upper leftIf nothing, βUpper left=0；Similarly judge the sprinkling irrigation
Whether zonule left side adjacent area has sprinkling irrigation equipment to spray, if so, then β 'It is left=β "It is leftIf nothing, β 'It is left=0；Judging should
Whether sprinkling irrigation zonule lower-left adjacent area has sprinkling irrigation equipment to spray, if so, then βLower-left=β 'Lower-leftIf nothing, βLower-left=0；
Similarly judge whether the sprinkling irrigation zonule upper right adjacent area has sprinkling irrigation equipment to spray, if so, then βUpper right=β 'Upper rightIf nothing,
Then βUpper right=0；Similarly judge whether adjacent area has sprinkling irrigation equipment to spray on the right of the sprinkling irrigation zonule, if so, then β 'It is right=
β″It is rightIf nothing, β 'It is right=0；Similarly judge whether the sprinkling irrigation zonule bottom right adjacent area has sprinkling irrigation equipment to spray, if
Have, then βBottom right=β 'Bottom rightIf nothing, βBottom right=0.
The application rate of sprinkler irrigation matrix being then finally superimposed is ρ ', wherein ρi,jCorrespond to single nozzle in combination sprinkling irrigation for measure
The application rate of sprinkler irrigation in each small square/rectangle region under institute overlay area.
ρ '=ρ+F ο rot180 (ρ) (3)
Rot180 (ρ) represents matrix ρ rotating clockwise 180 degree；
Certain crop, which is once poured water, is poured into the net sprinkling irrigation water W in field, and S is crop spraying effective area, and m is fixed to pour water
Volume has the following formula：
W=mS (4)
If t is sprinkling irrigation time (h), ρ is the average application rate of sprinkler irrigation (mm/h) of spray irrigation system, and m is design irrigating water quota (mm),
Then there is formula below：
To with area with having under the identical sprinkling irrigation amount of crop, if application rate of sprinkler irrigation under normal circumstancesWith consideration have overlapping because
Application rate of sprinkler irrigation under subcaseWhen, the corresponding identical irrigating water quota lower time is t and t ', is had：
I.e.：
And have that formula is as follows, sprinkling irrigation mean intensity as the following formula, wherein ρi,jFor each cell in application rate of sprinkler irrigation matrix ρ
The specific intensity in domain, wherein ρ 'i,jFor the specific intensity of each zonule in the rear application rate of sprinkler irrigation matrix ρ ' that is finally superimposed, DS is
Each zonule area, a, b are respectively the ranks number of application rate of sprinkler irrigation matrix, and t is the sprinkling irrigation time, and i, j value ranges are respectively (1
~a), (1~b).
Similarly acquire：
Have under corresponding single sprinkling irrigation region under application rate of sprinkler irrigation：
ρ is application rate of sprinkler irrigation, KwFor wind coefficient, η is water efficiency of irrigation's (nozzle loss), QPFor capacity of sprinkler, b0For branch
Tube spacing, l0For nozzle spacing.S is the area to be sprayed.
S=b0l0(12)
Substitute into above formula, the sprinkling irrigation amount needed for sprinkling irrigation time t ' for the overlap factor that can must spray and the unit area of prediction
The relation equation below of W：
Above-mentioned application rate of sprinkler irrigation matrix and overlap factor matrix are not limited to as 3*3 matrix forms, according to the region of being sprayed
The dense degree of gridding can also be the forms such as 5*5,7*7,5*3.In addition to the implementation, it is all to use equivalent substitution or wait
Effect conversion formed technical solution, all fall within the present invention claims protection domain.
Claims (9)
1. the computational methods of the combination sprinkling irrigation lower sprinkling irrigation time based on sprinkling irrigation overlap factor, it is characterised in that including following step
Suddenly：
The first step, region division that sprinkling irrigation equipment sprays to it are into the matrix ρ on application rate of sprinkler irrigation；And set overlap factor matrix
For F；
Second step sets the application rate of sprinkler irrigation matrix of superposition as ρ ', ρi,jIt is covered by the single nozzle in combination sprinkling irrigation that corresponds to of measure
The application rate of sprinkler irrigation in each small square/rectangle region under region；The application rate of sprinkler irrigation Matrix Formula that it is superimposed is as follows：
Wherein, rot180 (ρ) represents matrix ρ rotating clockwise 180 degree；
3rd step sets net sprinkling irrigation water as W, and crop spraying effective area is S, irrigating water quota m, then：
W=mS (2)
4th step sets the sprinkling irrigation time as t, unit h；The average application rate of sprinkler irrigation of spray irrigation system is that ρ units are：Mm/h, then：
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To with area under the identical sprinkling irrigation amount of crop, application rate of sprinkler irrigation under normal circumstances is set toIn the case of having an overlap factor
Application rate of sprinkler irrigation is set toThe corresponding identical irrigating water quota lower time is t and t ', then：
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5th step, application rate of sprinkler irrigationCalculation formula it is as follows：
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Wherein：ρi,jFor the specific intensity of each zonule in application rate of sprinkler irrigation matrix ρ, wherein ρ 'i,jFor the rear sprinkling irrigation being finally superimposed
The specific intensity of each zonule in intensity matrix ρ ', Δ S are each zonule area, and a, b are respectively application rate of sprinkler irrigation matrix
Ranks number, t are the sprinkling irrigation time, and i, j value ranges are respectively (1~a), (1~b)；
Similarly acquire：
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Have under corresponding single sprinkling irrigation region application rate of sprinkler irrigation：
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ρ is application rate of sprinkler irrigation, KwFor wind coefficient, η is lost for water efficiency of irrigation, that is, nozzle, QPFor capacity of sprinkler, b0Between branch pipe
Away from l0For nozzle spacing, S is the area to be sprayed, then：
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S=b0l0 (10)
6th step brings formula (6), (7), (8), (9), (10) in formula (5) into, obtains the sprinkling irrigation time of sprinkling irrigation overlap factor
The relation formula of t ' and the sprinkling irrigation amount W needed for the unit area of prediction are as follows：
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</mrow>
</mfrac>
<mo>*</mo>
<mfrac>
<mrow>
<mi>m</mi>
<mi>S</mi>
</mrow>
<mrow>
<mn>1000</mn>
<msub>
<mi>K</mi>
<mi>w</mi>
</msub>
<msub>
<mi>&eta;Q</mi>
<mi>P</mi>
</msub>
</mrow>
</mfrac>
<mo>=</mo>
<mfrac>
<mrow>
<munder>
<mo>&Sigma;</mo>
<mi>i</mi>
</munder>
<munder>
<mo>&Sigma;</mo>
<mi>j</mi>
</munder>
<msub>
<mi>&rho;</mi>
<mrow>
<mi>i</mi>
<mo>,</mo>
<mi>j</mi>
</mrow>
</msub>
</mrow>
<mrow>
<munder>
<mo>&Sigma;</mo>
<mi>i</mi>
</munder>
<munder>
<mo>&Sigma;</mo>
<mi>j</mi>
</munder>
<msubsup>
<mi>&rho;</mi>
<mrow>
<mi>i</mi>
<mo>,</mo>
<mi>j</mi>
</mrow>
<mo>&prime;</mo>
</msubsup>
</mrow>
</mfrac>
<mo>*</mo>
<mfrac>
<mi>W</mi>
<mrow>
<mn>1000</mn>
<msub>
<mi>K</mi>
<mi>w</mi>
</msub>
<msub>
<mi>&eta;Q</mi>
<mi>P</mi>
</msub>
</mrow>
</mfrac>
<mo>-</mo>
<mo>-</mo>
<mo>-</mo>
<mrow>
<mo>(</mo>
<mn>11</mn>
<mo>)</mo>
</mrow>
</mrow>
2. the computational methods of the combination sprinkling irrigation according to claim 1 based on sprinkling irrigation overlap factor lower sprinkling irrigation time, special
Sign is：The overlap factor is the superposition coefficient of sprinkling irrigation overlapping region application rate of sprinkler irrigation coefficient, the sprinkling irrigation overlap factor matrix F
The matrix formed for the sprinkling irrigation superposition factor.
3. the computational methods of the combination sprinkling irrigation according to claim 2 based on sprinkling irrigation overlap factor lower sprinkling irrigation time, special
Sign is：The overlap factor matrix F is suitable for the rectangular distribution of sprinkling irrigation equipment or the combination of angular distribution sprinkling irrigation.
4. the computational methods of the combination sprinkling irrigation according to claim 3 based on sprinkling irrigation overlap factor lower sprinkling irrigation time, special
Sign is：The overlap factor matrix is 3*3 matrixes.
5. the computational methods of the combination sprinkling irrigation according to claim 4 based on sprinkling irrigation overlap factor lower sprinkling irrigation time, special
Sign is：The combination that the overlap factor matrix is suitable for the square distribution of sprinkling irrigation equipment is sprayed.
6. the computational methods of the combination sprinkling irrigation according to claim 5 based on sprinkling irrigation overlap factor lower sprinkling irrigation time, special
Levying the computational methods of the overlap factor value in the combination sprinkling irrigation matrix in the square profile includes following steps：
1) α is setOn、αUnder、αIt is left、αIt is rightCorrespond respectively to the overlap factor value of the overlapping region up and down of square matrices；αOn、αUnder、
αIt is left、αIt is rightUnit is application rate of sprinkler irrigation unit；
2) judge whether adjacent area has sprinkling irrigation equipment to spray above the sprinkling irrigation zonule, if so, then αOn=α 'OnIf nothing,
Then αOn=0；
3) judge whether adjacent area has sprinkling irrigation equipment to spray below the sprinkling irrigation zonule, if so, then αUnder=α 'UnderIf nothing,
Then αUnder=0；
4) judge whether the sprinkling irrigation zonule left side adjacent area has sprinkling irrigation equipment to spray, if so, then αIt is left=α 'It is leftIf nothing,
Then αIt is left=0；
5) judge whether adjacent area has sprinkling irrigation equipment to spray on the right of the sprinkling irrigation zonule, if so, then αIt is right=α 'It is rightIf nothing,
Then αIt is right=0.
7. the computational methods of the combination sprinkling irrigation according to claim 4 based on sprinkling irrigation overlap factor lower sprinkling irrigation time, special
Sign is：The combination that the overlap factor matrix is suitable for sprinkling irrigation equipment distribution triangular in shape is sprayed.
8. the computational methods of the combination sprinkling irrigation according to claim 7 based on sprinkling irrigation overlap factor lower sprinkling irrigation time, special
The computational methods of the overlap factor value in the combination sprinkling irrigation matrix in sprinkling irrigation equipment distribution triangular in shape are levied including following several
A step：
1) β is setUpper left、β′It is left、βLower-left、βUpper right、β′It is right、βBottom rightThe overlap factor value of corresponding region is corresponded to respectively；β′It is leftWith β 'It is rightFor a comprehensive left side
Side, the overlap factor value of the right adjacent area；
2) judge whether the sprinkling irrigation zonule upper left side adjacent area has sprinkling irrigation equipment to spray, if so, then βUpper left=β 'Upper left,
If nothing, βUpper left=0；
3) judge whether the sprinkling irrigation zonule left side adjacent area has sprinkling irrigation equipment to spray, if so, then β 'It is left=β "It is leftIf
Nothing, then β 'It is left=0；
4) judge whether the sprinkling irrigation zonule lower-left adjacent area has sprinkling irrigation equipment to spray, if so, then βLower-left=β 'Lower-leftIf
Nothing, then βLower-left=0；
5) judge whether the sprinkling irrigation zonule upper right adjacent area has sprinkling irrigation equipment to spray, if so, then βUpper right=β 'Upper rightIf
Nothing, then βUpper right=0；
6) judge whether adjacent area has sprinkling irrigation equipment to spray on the right of the sprinkling irrigation zonule, if so, then β 'It is right=β "It is rightIf
Nothing, then β 'It is right=0；
7) judge whether the sprinkling irrigation zonule bottom right adjacent area has sprinkling irrigation equipment to spray, if so, then βBottom right=β 'Bottom rightIf
Nothing, then βBottom right=0.
9. the computational methods of the combination sprinkling irrigation according to claim 3 based on sprinkling irrigation overlap factor lower sprinkling irrigation time, special
Sign is：The overlap factor matrix and application rate of sprinkler irrigation matrix can be 5*5,7*7 or 5*3 matrix.
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|---|---|---|---|
| CN201711452321.5A CN108121895A (en) | 2017-12-27 | 2017-12-27 | Computational methods |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109829134A (en) * | 2018-12-11 | 2019-05-31 | 中水淮河规划设计研究有限公司 | Long sequence field irrigation quota measuring method |
| CN110583445A (en) * | 2019-09-20 | 2019-12-20 | 中国水利水电科学研究院 | Intelligent water-saving regulation and control system for wheat irrigation |
| CN117322305A (en) * | 2023-11-20 | 2024-01-02 | 河北础润节水灌溉科技有限公司 | Bury formula sprinkling irrigation equipment in adjustable sprinkling irrigation region |
-
2017
- 2017-12-27 CN CN201711452321.5A patent/CN108121895A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109829134A (en) * | 2018-12-11 | 2019-05-31 | 中水淮河规划设计研究有限公司 | Long sequence field irrigation quota measuring method |
| CN110583445A (en) * | 2019-09-20 | 2019-12-20 | 中国水利水电科学研究院 | Intelligent water-saving regulation and control system for wheat irrigation |
| CN110583445B (en) * | 2019-09-20 | 2021-08-27 | 中国水利水电科学研究院 | Intelligent water-saving regulation and control system for wheat irrigation |
| CN117322305A (en) * | 2023-11-20 | 2024-01-02 | 河北础润节水灌溉科技有限公司 | Bury formula sprinkling irrigation equipment in adjustable sprinkling irrigation region |
| CN117322305B (en) * | 2023-11-20 | 2024-06-04 | 河北础润节水灌溉科技有限公司 | Bury formula sprinkling irrigation equipment in adjustable sprinkling irrigation region |
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