CN107145615A - A kind of confirmation method applied in plant LED illumination according to domain - Google Patents
A kind of confirmation method applied in plant LED illumination according to domain Download PDFInfo
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- CN107145615A CN107145615A CN201610969910.XA CN201610969910A CN107145615A CN 107145615 A CN107145615 A CN 107145615A CN 201610969910 A CN201610969910 A CN 201610969910A CN 107145615 A CN107145615 A CN 107145615A
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- G06F30/20—Design optimisation, verification or simulation
Abstract
The present invention relates to a kind of confirmation method applied in plant LED illumination according to domain, including：Step one, illumination patterns are analyzed, builds uniformity model；Illumination patterns analysis is included to the intensive analysis of unit LED illumination and the analysis of light beam LED illumination intensity；Domain is shone in step 2, analysis, and constructor formula will be converted into according to the good and bad problem in domain and find a function minimum problems；Step 3, light source is selected according to particular demands；Step is decoded under beginning state, fitness function is constructed according to formula (8), random initializtion illumination group, so as to calculate fitness value, and pass through the optimal and global optimum position of formula (10) more new individual, the entrance next step of condition is met, is terminated after realizing the optimal result according to domain.The beneficial effects of the invention are as follows：Immediately, accurately, automatically calculate and most preferably shine domain, stronger research reference value can be provided for plant illumination technology, function of the LED illumination to the controllable adjustment of plant growth is realized.
Description
Technical field
The present invention relates to a kind of calculating of the photograph domain of plant illumination LED, it is specifically related to one kind and applies to plant LED illuminations
The confirmation method in middle photograph domain, belongs to LED illumination application class field.
Background technology
Light is not only the energy source of plant growth, and to the growing of plant, metabolism and morphogenesis etc.
Aspect all has adjustment effect, is one of influence most important envirment factor of growth and development of plants.
The Spatial Variation of intensity of illumination is to increase with latitude and height above sea level and gradually weaken, and with slope aspect and the gradient
Change and change.Such as Temperate Region in China on the Northern Hemisphere, the light application ratio level land that southern slope is received is more, and north slope is then few compared with level land；Nothing
By in what latitude, Nan Po intensity of illumination is all bigger than north slope, and the bigger difference of the gradient is more notable；In Nan Po, with latitude
Increase, the gradient of largest light intensity also increases therewith；In north slope, whatsoever latitude is all that the smaller obtained sunshine of the gradient is got over
It is many；North slope compared with the comparable low latitudes of Nan Po of high latitude obtains more energies of the sun, therefore the southern hot crop of happiness can move
Plant and grown on the Nan Po in the north.The Time Change of intensity of illumination is, maximum with summer light intensity in 1 year, and winter is most weak；
In one day, noon light intensity is maximum, sooner or later minimum.In addition, intensity of illumination is also changed inside an ecosystem, general light
Gradually weaken from top to bottom in terrestrial ecosystems by force, passed rapidly with the increase of the depth of water in aquatic ecosystem
Subtract.
Intensity of illumination builds up important, the aetiolation of such as plant to plant growth and morphosis.Light intensity
The development of plant is also influenceed simultaneously, and in florescence or young fruit period, such as light intensity decreasing can also cause in abnormal seeding or the development of fruit room
Way stops, or even shedding.Light also has good action to the quality of fruit.So, selection of the intensity of illumination influence according to domain, it has also become
One of the problem of needing to solve at present.
It is well known that due to plant the absorbing wavelength of natural light is concentrated mainly on 430~450nm blue violet light area and
640~660nm red light district, red, blue-ray LED has been widely used as artificial plant light source, to make up the deficiency of natural lighting.But
Due to the inhomogeneities of LED output light intensity illumination patterns in illumination plane.Determine that plant is cultivated under LED light source array
Photograph domain, to promote plant growth and explore the research of Plant Light Regulation Mechanism it is all significant.
Therefore, how to provide a kind of confirmation method applied in plant LED illumination according to domain, realize to LED/light source most
It is good to utilize, it is the purpose that the present invention is studied.
The content of the invention
To overcome the shortcomings of the existing technology, the present invention provides a kind of confirmation method applied in plant LED illumination according to domain, lead to
The intensity of illumination distribution and uniformity model for building LED plant light sources are crossed, illumination uniformity and its size control is considered
The good and bad influence in domain, is constructed according to the good and bad formula in domain, is calculated and is determined that the optimal of the light source shines domain, and verifies its feasibility.
To solve prior art problem, the technical solution adopted in the present invention is：
A kind of confirmation method applied in plant LED illumination according to domain, comprises the following steps：
Step one, illumination patterns are analyzed, builds uniformity model；
Described illumination patterns analysis is included to the intensive analysis of unit LED illumination and the analysis of light beam LED illumination intensity；
Described unit LED illumination intensity represents I (θ)=I by (1) formula0cosmθ (1)；
Wherein, I (θ) is that visual angle is the intensity of illumination on θ directions；I0Be LED axis (visual angle is 0) direction illumination it is strong
Degree；M by LED structural parameters θ1/2Determine, such as formula (2)
Wherein, θ1/2It is that intensity of illumination is I0Visual angle when/2；
A (the x on source plane0, y0, 0) LED at point apart from source plane for B in z illumination plane (x, y,
Z) the illuminance such as formula (3) produced at point
Described light beam LED illumination intensity is the superposition of the illuminance of all red-light LEDs and blue-ray LED at this point, such as
Formula (4)
The described structure uniformity model formation such as (5)
In formula, i is expressed as red or blue light；EiIt is the illuminance average value of i light in this domain, evaluation formula such as (6)
Wherein, (x, y) ∈ D, D is a region in illumination plane；SDIt is illumination region D area；
According to calculus principle, formula (6) can be scaled formula (7)
Wherein：N is expressed as several evenly sized small areas；
Domain is shone in step 2, analysis, and constructor formula will be converted into according to the good and bad problem in domain and find a function minimum problems；
The formula is
Wherein：Q is equalizing coefficient；uiIt is to shine domain DiThe uniform illumination degree of upper i light；SiIt is DiArea；
DiRefer to the photograph domain corresponding to i light；Its DiFunction is used to detect DiExcellent degree；
Step 3, light source is selected according to particular demands；
Rectangle LED light source array is selected, red, blue-ray LED quantitative proportion is 1: 1, and the red, blue-ray LED is along row, column
Direction is to be interspersed；The distance of illumination plane to corresponding light source plane is h=20cm, and made with the center of plant light source
Coordinate system is set up for origin；
Step 4, set calculating parameter, calculate confirm most preferably shine domain, most preferably shine domain by the best domain of each light source it is overlapping and
Into such as (9)
Dopt=Dredopt∩Dblueopt(9)
Optimal computed formula such as (10)
Wherein：Quan Heng degree ω interval is [0.5,0.9]；K=1,2 ..., T are current iteration number of times；
The step is decoded under beginning state, and fitness function, random initializtion illumination are constructed according to formula (8)
Group, so as to calculate fitness value, and by the optimal and global optimum position of formula (10) more new individual, meets under the entrance of condition
One step, program is terminated after realizing the optimal result according to domain, the step of being otherwise recycled into calculating fitness value.
Further, in described step three, described array of source arranges for 12 rows 14, and row, column is away from being L=2cm.
Further, red, blue-ray LED lamp bead the axial intensity of illumination takes I0=2800mcd, half-angle takes θ1/2=
7.5°。
The beneficial effects of the invention are as follows：Immediately, accurately, automatically calculate and most preferably shine domain, can be plant illumination technology
Stronger research reference value is provided, function of the LED illumination to the controllable adjustment of plant growth is realized.
Embodiment
In order that those skilled in the art can more understand technical solution of the present invention, with reference to embodiment to the present invention
It is further analyzed.
A kind of confirmation method applied in plant LED illumination according to domain, comprises the following steps：
Step one, illumination patterns are analyzed, builds uniformity model；
Described illumination patterns analysis is included to the intensive analysis of unit LED illumination and the analysis of light beam LED illumination intensity；
Described unit LED illumination intensity represents I (θ)=I by (1) formula0cosmθ (1)；
Wherein, I (θ) is that visual angle is the intensity of illumination on θ directions；I0Be LED axis (visual angle is 0) direction illumination it is strong
Degree；M by LED structural parameters θ1/2Determine, such as formula (2)
Wherein, θ1/2It is that intensity of illumination is I0Visual angle when/2；
A (the x on source plane0, y0, 0) LED at point apart from source plane for B in z illumination plane (x, y,
Z) the illuminance such as formula (3) produced at point
Described light beam LED illumination intensity is the superposition of the illuminance of all red-light LEDs and blue-ray LED at this point, such as
Formula (4)
The described structure uniformity model formation such as (5)
In formula, i is expressed as red or blue light；It is the illuminance average value of i light in this domain, evaluation formula such as (6)
Wherein, (x, y) ∈ D, D is a region in illumination plane；SDIt is illumination region D area；
According to calculus principle, formula (6) can be scaled formula (7)
Wherein：N is expressed as several evenly sized small areas；
Domain is shone in step 2, analysis, and constructor formula will be converted into according to the good and bad problem in domain and find a function minimum problems；
The formula is
Wherein：Q is equalizing coefficient；uiIt is to shine domain DiThe uniform illumination degree of upper i light；SiIt is DiArea；
DiRefer to the photograph domain corresponding to i light；Its DiFunction is used to detect DiExcellent degree
Step 3, light source is selected according to particular demands；
Rectangle LED light source array is selected, described array of source arranges for 12 rows 14, row, column is away from being L=2cm；Red, indigo plant
Light LED quantitative proportions be 1: 1, the red, blue-ray LED along row, column direction be to be interspersed；Red, the blue-ray LED lamp bead
Axial intensity of illumination take I0=2800mcd, half-angle takes θ1/2=7.5 °；The distance of illumination plane to corresponding light source plane is h
=20cm, and set up coordinate system using the center of plant light source as origin；
Step 4, set calculating parameter, calculate confirm most preferably shine domain, most preferably shine domain by the best domain of each light source it is overlapping and
Into such as (9)
Dopt=Dredopt∩Dblueopt(9)
Optimal computed formula such as (10)
Wherein：Quan Heng degree ω interval is [0.5,0.9]；K=1,2 ..., T is current iteration number of times；
The step is decoded under beginning state, and fitness function, random initializtion illumination are constructed according to formula (8)
Group, so as to calculate fitness value, and by the optimal and global optimum position of formula (10) more new individual, meets under the entrance of condition
One step, program is terminated after realizing the optimal result according to domain, the step of being otherwise recycled into calculating fitness value.
The present invention is directed to the inhomogeneities feature of LED light source distribution, it is proposed that a kind of optimal according to domain computational methods, and with square
The LED plant light sources of shape structure are verified as example to this method, in the influence of illumination uniformity and 2 factors of area
Proportion is under the conditions of 7: 3, iteration result obtained optimal region be located at illumination plane central position area be 21.5462cm ×
Red, the blue light uniformity on 18.1cm rectangular area, and the region have all reached 0.8662.By the result with applying tradition side
The intensity of illumination distribution contrast that method is simulated, shows to determine that the optimal method according to domain can under LED plant light sources using the computational methods
OK.It is more simple and easy to apply and this method can realize optimizing function automatically without artificial judgment, can be plant under LED/light source
That cultivates best domain provides important technical support from motion tracking.
Technical scheme provided herein is described in detail above, embodiment used herein is to the application
Principle and embodiment be set forth, the explanation of above example is only intended to help and understands the present processes and its core
Thought is thought；Simultaneously for those of ordinary skill in the art, according to the thought of the application, in embodiment and model is applied
Place and will change, in summary, this specification content should not be construed as the limitation to the application.
Claims (3)
1. a kind of confirmation method applied in plant LED illumination according to domain, it is characterised in that：Comprise the following steps：
Step one, illumination patterns are analyzed, builds uniformity model；
Described illumination patterns analysis is included to the intensive analysis of unit LED illumination and the analysis of light beam LED illumination intensity；
Described unit LED illumination intensity represents I (θ)=I by (1) formula0cosmθ (1)；
Wherein, I (θ) is that visual angle is the intensity of illumination on θ directions；I0It is the intensity of illumination in LED axis (visual angle is 0) direction；M by
LED structural parameters θ1/2Determine, such as formula (2)
Wherein, θ1/2It is that intensity of illumination is I0Visual angle when/2；
A (the x on source plane0, y0, 0) and LED at point is at apart from source plane for B (x, y, z) point in z illumination plane
The illuminance of generation such as formula (3)
Described light beam LED illumination intensity is the superposition of the illuminance of all red-light LEDs and blue-ray LED at this point, such as formula (4)
The described structure uniformity model formation such as (5)
In formula, i is expressed as red or blue light；EiIt is the illuminance average value of i light in this domain, evaluation formula is such as
(6)
Wherein, (x, y) ∈ D, D is a region in illumination plane；SDIt is illumination region D area；
According to calculus principle, formula (6) can be scaled formula (7)
Wherein：N is expressed as several evenly sized small areas；
Domain is shone in step 2, analysis, and constructor formula will be converted into according to the good and bad problem in domain and find a function minimum problems；
The formula is
Wherein：Q is equalizing coefficient；uiIt is to shine domain DiThe uniform illumination degree of upper i light；SiIt is DiArea；
DiRefer to the photograph domain corresponding to i light；Its DiFunction is used to detect DiExcellent degree；
Step 3, light source is selected according to particular demands；
Rectangle LED light source array is selected, red, blue-ray LED quantitative proportion is 1: 1, and the red, blue-ray LED is equal along row, column direction
To be interspersed；The distance of illumination plane to corresponding light source plane is h=20cm, and is built using the center of plant light source as origin
Vertical coordinate system；
Step 4, set calculating parameter, calculate confirm most preferably shine domain, most preferably shine domain by each light source best domain it is overlapping form,
Such as (9)
Dopt=Dredopt∩Dblueopt (9)
Optimal computed formula such as (10)
Wherein：Quan Heng degree ω interval is [0.5,0.9]；K=1,2 ..., T is current iteration number of times；
The step be under beginning state decode, according to formula (8) construct fitness function, random initializtion illumination group, from
And fitness value is calculated, and by the optimal and global optimum position of formula (10) more new individual, the entrance next step of condition is met,
Terminate program after realizing the optimal result according to domain, the step of being otherwise recycled into calculating fitness value.
2. a kind of confirmation method applied in plant LED illumination according to domain according to claim 1, it is characterised in that：Institute
In the step of stating three, described array of source arranges for 12 rows 14, and row, column is away from being L=2cm.
3. a kind of confirmation method applied in plant LED illumination according to domain according to claim 1, it is characterised in that：Institute
Step 3 kind is stated, red, blue-ray LED lamp bead axial intensity of illumination takes I0=2800mcd, half-angle takes θ1/2=7.5 °.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610969910.XA CN107145615A (en) | 2016-11-01 | 2016-11-01 | A kind of confirmation method applied in plant LED illumination according to domain |
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| CN201610969910.XA CN107145615A (en) | 2016-11-01 | 2016-11-01 | A kind of confirmation method applied in plant LED illumination according to domain |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116963361A (en) * | 2023-09-15 | 2023-10-27 | 青岛艾德森物联科技有限公司 | Intelligent building optimization control method based on DDC controller |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004066352A2 (en) * | 2003-01-23 | 2004-08-05 | Orbotech Ltd. | System and method for providing high brightness illumination |
| CN105517240A (en) * | 2015-12-29 | 2016-04-20 | 中国计量学院 | LED intelligent dimming system capable of facilitating plant growth |
-
2016
- 2016-11-01 CN CN201610969910.XA patent/CN107145615A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004066352A2 (en) * | 2003-01-23 | 2004-08-05 | Orbotech Ltd. | System and method for providing high brightness illumination |
| CN105517240A (en) * | 2015-12-29 | 2016-04-20 | 中国计量学院 | LED intelligent dimming system capable of facilitating plant growth |
Non-Patent Citations (1)
| Title |
|---|
| 朱舟等: "基于粒子群算法的 LED 植物光源最优光照区域确定", 《河北农业大学学报》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116963361A (en) * | 2023-09-15 | 2023-10-27 | 青岛艾德森物联科技有限公司 | Intelligent building optimization control method based on DDC controller |
| CN116963361B (en) * | 2023-09-15 | 2023-12-12 | 青岛艾德森物联科技有限公司 | Intelligent building optimization control method based on DDC controller |
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Addressee: GUANGZHOU BOORI OPTOELECTRONIC TECHNOLOGY CO., LTD. Document name: Notification to Make Rectification |
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Application publication date: 20170908 |
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