CN205620835U - Dimming control system is cultivateed to self -adaptation plant based on machine vision - Google Patents
Dimming control system is cultivateed to self -adaptation plant based on machine vision Download PDFInfo
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- CN205620835U CN205620835U CN201620222189.3U CN201620222189U CN205620835U CN 205620835 U CN205620835 U CN 205620835U CN 201620222189 U CN201620222189 U CN 201620222189U CN 205620835 U CN205620835 U CN 205620835U
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Abstract
The utility model discloses a dimming control system is cultivateed to self -adaptation plant based on machine vision, including image gathering module, image processing and the analysis module and the self -adaptation dimming control that connect gradually be the module, image gathering module includes CCD industry camera, plant incubator and image acquisition card, image processing and analysis module include image processing unit and neural network the control unit, self -adaptation dimming control module includes LED driver and LED panel light, the output and image acquisition card's the input of CCD industry camera are connected, CCD industry camera is installed on the plant incubator, image acquisition card's output and image processing are connected with the input of analytic unit, neural network the control unit's output and self -adaptation dimming control are that the module is connected, the LED driver output end is connected with the LED panel light. The utility model has the advantages of precision that the plant adjusted luminance in cultivateing has been improved and from adaptability.
Description
Technical field
This utility model relates to a kind of plant culturing dimming control system, a kind of based on machine vision
Self adaptation plant culturing dimming control system, this self adaptation plant culturing dimming control system uses machine vision
The growing height of plant is measured by the method combined with neural network control strategy, according to planting
The growing height of thing carries out Self Adaptive Control to illumination and the light quality ratio of LED so that it is be more conducive to the life of plant
Long.
Background technology
The light intensity of LED and the growth of light quality comparison plant have a very big impact, on the one hand, different light
Having influence on by force the photosynthesis of plant, all growths on plant of too high or too low light intensity have bad impact,
This just requires to provide suitable light intensity.On the other hand, plant is different to the absorbability of the light of different colours,
Plant is very strong to the absorbability of blue light, HONGGUANG, white light and purple light, and the light absorpting ability to other colors
The most weak, this just requires to provide suitable light quality ratio.When carrying out plant culturing in plant incubator, LED
Light source is generally secured to above plant, and for growth offer light intensity and the light quality of plant on certain height
Ratio.But, along with the continuous growth of plant, the height of plant is continuously increased, between plant and LED light source
Distance constantly reduce, now the demand of light intensity and light quality ratio will be changed by plant.And it is known today
Plant culturing mode normally only provides fixing light intensity and light quality ratio, and more professional mode is typically also according to planting
Several growth cycles of thing provide corresponding light intensity and light quality ratio, light intensity and light quality ratio in each growth cycle
Do not change, and light intensity and arranging of light quality ratio are also by virtue of experience mostly.In sum, known today
Dimming control system in plant culturing, does not considers the factor that growing process camber changes, and light intensity
With arranging the most empirically of light quality, lacking accuracy and adaptivity, these factors all can be to plant
Growth adversely affects.
Utility model content
In order to overcome existing plant culturing dimming control system to lack accuracy and the deficiency of adaptivity, this reality
With a kind of self adaptation plant culturing dimming control system based on machine vision of novel offer, this self adaptation plant
Cultivate dimming control system to have employed the method that machine vision combines with neural network control and carry out oneself
Adapt to brightness adjustment control, it is achieved light intensity and light quality change than the height adaptive with plant.
This utility model solves the technical scheme that its technical problem used and may is that a kind of based on machine vision
Self adaptation plant culturing dimming control system, including a kind of self adaptation plant culturing based on machine vision
Dimming control system, including image capture module, existing image processing and analysis module and existing adaptive
Answer brightness adjustment control system module, image capture module, image processing and analysis module and self adaptation brightness adjustment control system
Module is sequentially connected with, and described image capture module includes that CCD industrial camera, plant incubator and image are adopted
Truck, described image processing and analysis module includes graphics processing unit and ANN Control unit, institute
The self adaptation dimming controlling module stated includes LED driver and LED panel lamp, described CCD industrial camera
Outfan be connected with the input of image pick-up card, described CCD industrial camera is arranged on plant incubator,
Plant in the alignment lens plant incubator of described CCD industrial camera, the outfan of described image pick-up card
Connecting with the input of image processing and analysis unit, the outfan of described ANN Control unit is with adaptive
Answering brightness adjustment control system module to connect, the outfan of described LED driver is connected with LED panel lamp, described
LED driver is used for driving LED panel lamp.
Described self adaptation plant culturing dimming control system based on machine vision also includes PWM brightness adjustment control
Unit, described PWM dimming control unit is connected with the input of LED driver, described nerve net
Network control unit is connected with the input of PWM dimming control unit, and described CCD industrial camera is arranged on
The medial surface of plant incubator, the camera lens horizontal positioned of described CCD industrial camera is to be directed at plant incubator
In plant.
Described LED panel lamp includes HONGGUANG paster LED lamp bead bar, blue light paster LED lamp bead bar, white
Light paster LED lamp bead bar and purple light paster LED lamp bead bar, the paster LED lamp bead bar of each color is the most each
Freely the pwm pulse signal of a paths of LEDs driver output is independently driven.
The plant image collected described image pick-up card by CCD industrial camera carries out Coordinate Conversion,
The coordinate system making the coordinate of the plant image after conversion set with image processing and analysis unit matches,
To set up the height coordinate system of plant.
After the coordinate of the plant image after conversion matches with the coordinate system set by image processing and analysis unit,
The plant image gathered image pick-up card by described image processing and analysis module again processes, meter
Calculate the pixel coordinate value of the axis of plant image, and planted by described image processing and analysis module calculating
The pixel number that thing is shared in vertical direction, described image processing and analysis module by pixel with
The corresponding relation of the true altitude of plant determines the height of plant, and last image processing and analysis module calculates plants
The meansigma methods of thing height obtains the average height that plant is actual.
The pwm pulse signal that described self adaptation dimming controlling module is exported by LED driver controls red
Light paster LED lamp bead bar, blue light paster LED lamp bead bar, white light paster LED lamp bead bar and purple light paster
The light intensity of LED lamp bead bar and light quality ratio.
Described self adaptation light adjusting system uses the neural network control strategy trained to LED panel
Lamp is controlled, from the training of described adaptation Control Strategy with Neural Network be based on the plant height obtained in advance,
Light intensity and the data sample of light quality ratio, by training, obtain suitable neural network weight, to obtain plant
Height and light intensity and the corresponding relation of light quality ratio.
Described self adaptation light adjusting system uses the neural network control strategy trained to LED panel lamp
Being controlled, the training of described neural network control strategy is using plant height as input quantity, with light
Strong and light quality is used for output, the most constantly adjusts the weights of adaptive neural network, until
Plant height as input quantity through the calculated actually required light intensity of adaptive neural network and light quality ratio and phase
Hope light intensity and light quality ratio error in allowed limits till；Described PWM dimming control unit root
Light intensity and light quality according to the output of neural network control unit are than control signal, the PWM that output is corresponding
Pulse signal is to LED driver, so that the light intensity of LED panel lamp and light quality ratio are carried out Automatic adjusument.
This utility model solves the technical scheme that its technical problem used: a kind of regard based on machine
The self adaptation plant culturing dimming control system felt, including: CCD industrial camera, image pick-up card, image
Process and be linked in sequence with analysis module, PWM dimming control unit, LED driver and LED panel lamp
Constituting a complete control system, a CCD industrial camera is arranged on the medial surface of plant incubator, mirror
Head horizontal positioned, the visual field area of camera lens and resolution directly can obtain from producer, it can thus be appreciated that the figure of shooting
True altitude representated by each pixel in Xiang.LED panel lamp is by HONGGUANG, blue light, white light and purple light four
Color paster LED lamp bead bar is constituted, and PWM dimming control unit has multi-channel PWM pulse output end mouth,
LED driver has the pwm pulse signal input port of identical way, is used for receiving pwm pulse letter
Number.On this basis, image capture module uses an image pick-up card, is shot by CCD industrial camera
The image of plant, comprises the picture rich in detail of several plants in image, image processing and analysis module is by figure
The Image semantic classification such as picture is filtered, binaryzation change, recycling edge detection algorithm obtains the edge of plant
Profile, owing to plant image has certain width and in irregular shape, therefore with the axis of plant image
The coordinate figure of the non-zero pixels of high point is as the height of plant in plant image.Recycle a standard picture mould
Plate, sits with this standard picture template non-zero pixels in the coordinate system set by image processing and analysis unit
Scale value contrasts with measuring the pixel coordinate value obtained as reference, calculates the actual height of each plant
Degree, in order to obtain a more reasonably height value, system uses the average height value of plant as finally
Plant height value.Self adaptation dimming controlling module uses neural network control strategy to carry out light modulation control
System, neural network control strategy uses BP neutral net, and input layer comprises a neuron, defeated
Going out layer and comprise four neurons, in order to take into account control accuracy and pace of learning, hidden layer neuron number is set to
Four.It is trained with the data sample of light intensity, light quality ratio initially with the height of plant obtained in advance,
It is adjusted to neural network weight suitably be worth.After having trained, the plant height value of acquisition as input quantity,
The output of neutral net is the light intensity of four color paster LED lamp bead bars and light quality is adjusted than control signal, PWM
Light control unit is according to the pwm pulse signal of pwm pulse control signal output correspondence, every by changing
The dutycycle of one road pwm pulse signal realizes oneself of the light intensity to four color paster LED lamp bead bars and light quality ratio
Suitable solution.
This utility model has such advantages as relative to prior art and beneficial effect: this utility model passes through
The height of machine vision metrology plant, and use neural network control strategy, according to the growth of plant
Height adaptive adjusts the light intensity of LED and light quality ratio, improves the precision of light modulation in plant culturing and adaptive
Should be able to power.
Accompanying drawing explanation
Fig. 1 is system construction drawing of the present utility model.
Fig. 2 is system schematic of the present utility model；In figure, 1 represents incubator；2 represent culture tank；3
Represent LED panel lamp；4 represent CCD industrial camera；5 represent image pick-up card；6 represent image procossing
With analysis module；7 represent LED driver.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, this utility model is described in further detail, but this utility model
Embodiment be not limited to this.
Embodiment
As it is shown in figure 1, a kind of self adaptation plant culturing dimming control system based on machine vision, including:
Image capture module, image processing and analysis module and self adaptation dimming controlling module, wherein, image is adopted
Collection module includes a CCD industrial camera, a plant incubator and an image pick-up card, image procossing
Image processing and analysis unit and ANN Control unit is included with analyzing module.Self adaptation brightness adjustment control mould
Block includes self adaptation dimming control unit, LED driver and LED panel lamp.Described brightness adjustment control mould
Block arranges pwm pulse output port, by changing the Duty ratio control LED panel of pwm pulse signal
The light intensity of lamp and light quality ratio.
As in figure 2 it is shown, plant incubator 1 is the structure of upper and lower two-layer, upper vertical is provided with downwards
LED panel lamp 3, cultivation string string plant in culture tank 2, culture tank, LED panel lamp 3 are placed by lower floor
Being made up of HONGGUANG, blue light, white light and purple light four color paster LED lamp bead bar, CCD industrial camera 4 is installed
At the medial surface of plant incubator 1, camera lens keeps level, and CCD industrial camera 4 is with image pick-up card 5 even
Connecing, image pick-up card 5 is by CCD industrial camera 4 herborization image, the picture number of image pick-up card 5
Being connected according to the image data input of outfan with image processing and analysis module 6, view data is sent to figure
Process and analyze as processing with analysis module 6, then using the plant height data that record as input quantity
It is sent to the ANN Control unit output intensity of image processing and analysis module 6 and light quality than control signal,
Finally by PWM dimming control unit according to control signal output pwm pulse signal to LED driver 7,
LED panel lamp 3 is driven to produce required light intensity and light quality ratio by LED driver 7.
Above-described embodiment is this utility model preferably embodiment, but embodiment of the present utility model is not
Being restricted to the described embodiments, any of other is made without departing from spirit of the present utility model and principle are lower
Change, modify, substitute, combine, simplify, all should be the substitute mode of equivalence, be included in this practicality
Within novel protection domain.
Claims (3)
1. a self adaptation plant culturing dimming control system based on machine vision, including the figure being sequentially connected with
As acquisition module, image processing and analysis module and self adaptation brightness adjustment control system module, described image acquisition
Module includes CCD industrial camera, plant incubator and image pick-up card, described image processing and analysis mould
Block includes that graphics processing unit and ANN Control unit, described self adaptation dimming controlling module include
LED driver and LED panel lamp, it is characterised in that the outfan of described CCD industrial camera and image
The input of capture card connects, and described CCD industrial camera is arranged on plant incubator, described image acquisition
The outfan of card and the input of image processing and analysis unit connect, described ANN Control unit defeated
Go out end to be connected with self adaptation brightness adjustment control system module, the outfan of described LED driver and LED panel lamp
Connect.
Self adaptation plant culturing dimming control system based on machine vision the most according to claim 1,
It is characterized in that, described self adaptation plant culturing dimming control system based on machine vision also includes PWM
Dimming control unit, described PWM dimming control unit is connected with the input of LED driver, described
ANN Control unit be connected with the input of PWM dimming control unit, described CCD industry phase
Machine is arranged on the medial surface of plant incubator.
Self adaptation plant culturing dimming control system based on machine vision the most according to claim 1,
It is characterized in that, described LED panel lamp includes HONGGUANG paster LED lamp bead bar, blue light paster LED lamp
Pearl bar, white light paster LED lamp bead bar and purple light paster LED lamp bead bar.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620222189.3U CN205620835U (en) | 2016-03-22 | 2016-03-22 | Dimming control system is cultivateed to self -adaptation plant based on machine vision |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620222189.3U CN205620835U (en) | 2016-03-22 | 2016-03-22 | Dimming control system is cultivateed to self -adaptation plant based on machine vision |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107152662A (en) * | 2017-04-29 | 2017-09-12 | 桂林苏桥瑞芯科技股份有限公司 | A kind of light adjusting system of automatic monitoring plant growth height |
| CN107766938A (en) * | 2017-09-25 | 2018-03-06 | 南京律智诚专利技术开发有限公司 | A kind of plant cover cultivation methods based on BP neural network |
| CN110181513A (en) * | 2019-05-30 | 2019-08-30 | 北京农业信息技术研究中心 | Crop canopies phenotype and assimilation synchro measure robot |
| CN110915466A (en) * | 2019-11-15 | 2020-03-27 | 西安和光明宸科技有限公司 | Plant illumination adjusting system and illumination adjusting method |
| CN112015212A (en) * | 2020-08-07 | 2020-12-01 | 中国农业科学院都市农业研究所 | Light environment regulation and control method and system, equipment and medium |
-
2016
- 2016-03-22 CN CN201620222189.3U patent/CN205620835U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107152662A (en) * | 2017-04-29 | 2017-09-12 | 桂林苏桥瑞芯科技股份有限公司 | A kind of light adjusting system of automatic monitoring plant growth height |
| CN107766938A (en) * | 2017-09-25 | 2018-03-06 | 南京律智诚专利技术开发有限公司 | A kind of plant cover cultivation methods based on BP neural network |
| CN110181513A (en) * | 2019-05-30 | 2019-08-30 | 北京农业信息技术研究中心 | Crop canopies phenotype and assimilation synchro measure robot |
| CN110915466A (en) * | 2019-11-15 | 2020-03-27 | 西安和光明宸科技有限公司 | Plant illumination adjusting system and illumination adjusting method |
| CN112015212A (en) * | 2020-08-07 | 2020-12-01 | 中国农业科学院都市农业研究所 | Light environment regulation and control method and system, equipment and medium |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161005 Termination date: 20190322 |
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| CF01 | Termination of patent right due to non-payment of annual fee |