KR102350450B1 - Unmanned irrigation and fertilization system and method - Google Patents

Abstract

The present invention provides an unmanned irrigation and fertilization system and a method thereof which supply water and a fertilizer to soil by using a pipe buried in the ground to prevent loss of moisture and automatize irrigation and fertilization according to states of soil and a plant to maximize efficiency of the irrigation and fertilization.

Description

Unmanned irrigation and fertilization system and method

The present invention relates to an unmanned irrigation and fertilization system and method, and more particularly, to an unmanned irrigation and fertilization system and method for automatic irrigation according to soil and plant conditions.

In the conventional system for managing plants, a hose is connected to the ground and a certain amount of water or fertilizer is supplied to the soil using a timer, or water or fertilizer is supplied to the soil in a way that a person directly supplies or uses a vehicle such as a sprinkler.

However, the conventional irrigation system with a hose connected to the ground has a relatively large loss of moisture because water is sprayed from the ground.

In addition, in the conventional irrigation and fertilization method using a sprinkler wheel, etc., labor costs increase, shadow areas occur, the efficiency of irrigation and fertilization decreases, and areas with excessive irrigation and fertilization exist, which impede the growth of plants. there was.

Japanese Patent Application Laid-Open No. 2015-223118 (Title of the invention: control method, control device and control program for plant growth environment, publication date: December 14, 2015)

Accordingly, the present invention is to solve the problems of the prior art as described above, and by supplying water and fertilizer to the soil using a pipe buried underground, moisture loss is prevented, and automatically irrigated or irrigated according to the condition of the soil and plants. An object of the present invention is to provide an unmanned irrigation and fertilization system and method that maximizes the efficiency of irrigation and fertilization by allowing fertilization to take place.

The problems of the present invention are not limited to the problems mentioned above, and other problems not mentioned will be clearly understood by those skilled in the art from the following description.

In order to solve the above problems, the unmanned irrigation and fertilization system according to the present invention is an unmanned irrigation and fertilization system for automatically supplying water and fertilizer to the soil, the irrigation unit supplying water to the soil, and a liquid state A fertilization unit for supplying fertilizer to the soil, an observation unit for observing the state of the soil and plants, and a control unit for controlling the irrigation unit and the fertilization unit according to the conditions of the soil and plants observed by the observation unit, wherein the irrigation unit includes: , including an irrigation screen for supplying water to the soil, wherein the fertilization unit includes a fertilization screen for supplying fertilizer to the soil, wherein the irrigation screen is installed above the fertilization screen, the observation unit, Further comprising a calculation unit for calculating the vegetation index predicted value of the plant according to the atmospheric environment and the soil environment through a machine learning model, wherein the control unit, when the vegetation index predicted value calculated by the calculation unit is lower than the existing vegetation index, the irrigation Unmanned irrigation and fertilization system, characterized in that it controls to carry out irrigation and fertilization, respectively, in the part and the fertilization part.

In addition, in the unmanned irrigation and fertilization method according to the present invention, in the unmanned irrigation and fertilization method for automatically supplying water and fertilizer to the soil, the vegetation index measurement step of measuring the vegetation index of the plant, and the measured vegetation index is When it is determined that irrigation or fertilization is necessary in the irrigation and fertilization necessary determination step and the irrigation and fertilization necessary determination step, determining whether irrigation and fertilization are necessary according to whether or not the existing vegetation index has fallen, the measured vegetation Comprising the irrigation and fertilization requirements calculation step of calculating the irrigation or fertilization requirements based on the index value and the irrigation and fertilization steps of automatically supplying water or fertilizer to the soil according to the calculated irrigation or fertilization requirements, the vegetation index measurement The step is to calculate the vegetation index predicted value of the plant according to the atmospheric environment and the soil environment through the machine learning model, and the irrigation and fertilization necessary determining step is to determine whether the vegetation index predicted value is lower than the existing vegetation index. An unmanned irrigation and fertilization method comprising the step of predicting an index drop, and determining whether irrigation and fertilization are necessary depending on whether the predicted value of the vegetation index of the plant has decreased than the existing vegetation index. It includes a vegetation index drop prediction step to determine whether the vegetation index of the has fallen than the vegetation index, characterized in that it is determined whether irrigation and fertilization is necessary according to whether the predicted value of the vegetation index of the plant is lower than the existing vegetation index.

According to the unmanned irrigation and fertilization system and method of the present invention, there are one or more of the following effects.

First, the irrigation and fertilization efficiency is maximized by determining the need for irrigation and fertilization based on the observed and predicted values of the soil environment, atmospheric environment, and vegetation index, and calculating the amount of irrigation and fertilization accordingly to automatically perform irrigation and fertilization. There are advantages to being able to

Second, by connecting the screen with the slot-shaped hole to the irrigation hose and burying it in the ground to irrigate and fertilize the soil, a certain amount of water is leaked according to the capillary pressure of the soil, so that the soil is adjusted to the proper level required by the crops. There is also the advantage of reducing the loss of supplied water by maintaining a level of moisture content and enabling the continuous supply of residual water even when the pumping process is stopped, so that the soil can contain optimal pore water.

Effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the description of the claims.

1 is a block diagram of an unmanned irrigation and fertilization system according to an embodiment of the present invention.
2 is a diagram schematically showing an unmanned irrigation and fertilization system according to an embodiment of the present invention.
3 is a view for explaining the irrigation unit and fertilization unit of the unmanned irrigation and fertilization system according to an embodiment of the present invention.
4 is a view showing a screen of an unmanned irrigation and fertilization system according to an embodiment of the present invention.
5 is a view for explaining the irrigation unit and fertilization unit of the unmanned irrigation and fertilization system according to another embodiment of the present invention.
6 and 7 are views for explaining the observation unit of the unmanned irrigation and fertilization system according to an embodiment of the present invention.
8 and 9 are flowcharts of an unattended irrigation and fertilization method according to an embodiment of the present invention.

Advantages and features of the present invention and methods of achieving them will become apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms, and only these embodiments allow the disclosure of the present invention to be complete, and common knowledge in the art to which the present invention pertains It is provided to fully inform those who have the scope of the invention, and the present invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout.

The size or shape of the components shown in the drawings attached to this specification may be exaggerated for clarity and convenience of explanation. It should be noted that the same configuration in each drawing is sometimes illustrated with the same reference numerals. In addition, detailed descriptions of functions and configurations of known technologies that may unnecessarily obscure the gist of the present invention may be omitted.

The terminology used herein is used to describe specific embodiments, not to limit the present invention. As used herein, the singular form may include the plural form unless the context clearly dictates otherwise. In addition, when a part "includes" a certain component throughout the present specification, it means that other components may be further included unless otherwise stated.

When a component is referred to as being “connected” or “connected” to another component, it may be directly connected or connected to the other component, but it is understood that other components may exist in between. it should be On the other hand, when it is said that a certain element is "directly connected" or "directly connected" to another element, it should be understood that there is no other element in the middle. Other expressions for describing the relationship between the elements should be interpreted similarly.

As used herein, terms such as upper, lower, upper, lower or upper, lower, etc. are used to distinguish relative positions of the components. For example, for convenience, when naming the upper part of the drawing as the upper part and the lower part of the drawing as the lower part, the upper part may be named lower, and the lower part may be named upper part without departing from the scope of the present invention. .

Terms including ordinal numbers such as ~1~, ~2~, etc. described in this specification may be used to describe various components, but the components are not limited by the terms. The above terms are only used to distinguish that each component is a different component, and are not limited to the order of manufacture, and the names may not match in the detailed description of the invention and the claims.

All terms including technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the art to which the present invention belongs, unless otherwise defined. Terms such as those defined in a commonly used dictionary should be interpreted as having a meaning consistent with the meaning in the context of the related art, and should not be interpreted in an ideal or excessively formal meaning unless explicitly defined in the present specification. does not

Hereinafter, the present invention will be described with reference to the drawings in order to explain the unmanned irrigation and fertilization system and method according to embodiments of the present invention.

1 is a block diagram of an unmanned irrigation and fertilization system according to an embodiment of the present invention, FIG. 2 is a diagram schematically illustrating an unmanned irrigation and fertilization system according to an embodiment of the present invention, and FIG. 3 is the present invention It is a view for explaining the irrigation unit and fertilization unit of the unmanned irrigation and fertilization system according to an embodiment.

Prior to the description, the point A shown in FIG. 2 means the point at which the vertical pipes 130 and 230 and the screens 140 and 240 of the irrigation unit 100 and the fertilization unit 200 are installed, and the vertical pipe 130 , 230) and the screens 140, 240 are installed points are not limited thereto.

1 and 2, the unmanned irrigation and fertilization system 1 according to an embodiment of the present invention includes a irrigation unit 100 for supplying water to the soil, and a fertilization unit for supplying liquid fertilizer to the soil ( 200), the control unit 400 for controlling the irrigation unit 100 and the fertilization unit 200 according to the conditions of the soil and plants observed by the observation unit 300 and the observation unit 300 for observing the state of the soil and plants (400) may include

2 and 3 , the irrigation unit 100 according to an embodiment of the present invention includes an irrigation tank 110 , an irrigation hose 120 , a vertical pipe 130 , a screen 140 , and an irrigation pump 150 . ), the irrigation valve 160 and the flow meter 170 may be included.

Water to be supplied to the soil is stored in the irrigation tank 110, an irrigation hose 120 is connected, and an irrigation pump 150 and an irrigation valve 160, which will be described later, are installed, and the irrigation valve ( When 160 is opened, the water stored in the irrigation tank 110 by the irrigation pump 150 may be moved to the soil through the irrigation hose 120 .

One end of the irrigation hose 120 is connected to the irrigation tank 110 and the other end is installed on the ground surface of the soil for supplying moisture, and water stored in the irrigation tank 110 is transferred to the soil through the irrigation hose 120 can be moved to

The vertical pipe 130 may be installed such that the upper end is connected to the other end of the irrigation hose 120 , and the screen 140 to be described later is connected to the lower end to be buried or semi-buried in soil. The position where the screen 140 is buried may be adjusted according to the soil condition of the soil.

4 is a view showing a screen of an unmanned irrigation and fertilization system according to an embodiment of the present invention.

The screen 140 may be connected to the lower end of the vertical pipe 130 and buried underground. The screen 140 may have a circular pipe shape, and a plurality of slot-shaped holes 141 and 241 may be formed on the side thereof. The material of the screen 140 may be made of PVC (Poly Vinyl Chloride), ceramic, stainless steel, etc., but is not limited thereto.

According to an embodiment of the present invention, water is supplied from the irrigation tank 110 to the vertical pipe 130 to maintain a constant water head. That is, the vertical pipe 130 maintains a constant water head so that a certain amount of water leaks according to the capillary pressure of the soil through the holes 141 and 241 of the screen 140 connected to the lower end of the vertical pipe 130 . Soil can maintain an appropriate level of moisture content required by crops. In addition, it is possible to reduce the loss of supplied water by enabling the continuous supply of residual water even when the processing of the pump is stopped, and to allow the soil to contain optimal pore water.

Referring back to FIGS. 2 and 3 , the irrigation pump 150 is installed on the irrigation hose 120 to move the water stored in the irrigation tank 110 to the soil through the irrigation hose 120 . have.

The irrigation valve 160 is installed in the irrigation tank 110 and is automatically opened by the control unit 400 to be described later when irrigation is required so that the water in the irrigation tank 110 flows out.

The flow meter 170 may be installed on the irrigation hose 120 to measure the amount of water irrigated from the irrigation tank 110 to the soil, and transmit the measured value to the controller 400 . Accordingly, the control unit 400 may record the amount of irrigation in real time and continuously monitor it.

The fertilization unit 200 according to an embodiment of the present invention includes a liquid fertilizer tank 210, a liquid fertilizer hose 220, a vertical pipe 230, a screen 240, a liquid fertilizer pump 250, a liquid fertilizer valve 260, and a flow meter. (270).

The liquid fertilizer to be supplied to the soil is stored in the liquid fertilizer tank 210, and a liquid fertilizer hose 220 for moving the liquid fertilizer is connected, and a liquid fertilizer pump 250 and a liquid fertilizer valve 260 to be described later are installed and a control unit to be described later ( When the liquid fertilizer valve 260 is opened by 400 ), the liquid fertilizer stored in the liquid fertilizer tank 210 by the liquid fertilizer pump 250 may be moved to the soil through the liquid fertilizer hose 220 .

The liquid fertilizer hose 220 has one end connected to the liquid fertilizer tank 210 and the other end is installed on the ground of the soil to supply nutrients to the soil, and the water stored in the liquid fertilizer tank 210 uses the liquid fertilizer hose 220 . through which it can migrate into the soil.

The vertical pipe 230 and the screen 240 connected to the lower end of the liquid non-hose 220 are the same as those connected to the lower end of the irrigation hose 120 of the irrigation unit 100, which with reference to FIGS. 3 and 4 Since it has been described above, overlapping contents are omitted.

The liquid fertilizer pump 250 may be installed on the liquid fertilizer hose 220 to move the water stored in the liquid fertilizer tank 210 to the soil through the liquid fertilizer hose 220 .

The liquid fertilizer valve 260 is installed in the liquid fertilizer tank 210 and, when fertilization is necessary, is automatically opened by the control unit 400 to be described later so that the liquid fertilizer of the liquid fertilizer tank 210 comes out.

The flow meter 270 may be installed on the liquid fertilizer hose 220 to measure the amount of fertilization made to the soil in the liquid fertilizer tank 210 and transmit the measured value to the controller 400 . Accordingly, the control unit 400 may record the amount of fertilization in real time and continuously monitor it.

The irrigation position and fertilization position performed in the irrigation unit 100 and the fertilization unit 200 can be adjusted according to the slope and surrounding vegetation, and the vertical pipe connected to the irrigation hose 120 and the liquid fertilization hose 220 (130, 230) and the number of screens (140, 240) is at least one or more may be installed in plurality, there is no limit to the number.

5 is a view for explaining the irrigation unit and fertilization unit of the unmanned irrigation and fertilization system according to another embodiment of the present invention.

Referring to FIG. 5A , in the unmanned irrigation and fertilization system 1 according to another embodiment of the present invention, the screen 240 of the fertilization unit 200 is positioned lower than the screen 140 of the irrigation unit 100 . can be installed. The screen 140 of the irrigation unit 100 is installed relatively higher under the soil than the screen 240 of the fertilization unit 200, so that water is supplied under the soil and liquid fertilizer is further applied below the soil. It can be evenly distributed so that crops can absorb nutrients more effectively.

In addition, referring to FIG. 5B , in the unmanned irrigation and fertilization system 1 according to another embodiment of the present invention, the screen 140 of the irrigation unit 100 and the screen 240 of the fertilization unit 200 according to the type of crop ) can be adjusted. As shown in FIG. 5B , a larger number of screens 240 of the fertilization unit 200 may be installed in crops that require a large amount of fertilizer compared to moisture.

6 and 7 are views for explaining the observation unit of the unmanned irrigation and fertilization system according to an embodiment of the present invention.

Referring to FIGS. 6 and 7 , the observation unit 300 according to an embodiment of the present invention may take an image of the soil in a certain area and observe and predict the vegetation index of the crop through this.

The observation unit 300 according to an embodiment of the present invention may include a camera 310 , a reference plate 320 , a calculator 330 , and a sensor unit 340 .

The camera 310 may be installed to be spaced apart from the ground by a certain distance, and may continuously capture images of crops in the soil. According to an embodiment of the present invention, when one camera 310 is installed at a height of 15 meters, a space corresponding to about 500 to 1000 pyeong can be monitored.

Here, the camera 310 may include a filter 311 for observing and predicting the vegetation index of crops. The filter 311 may block blue light and transmit only red light, green light, and near-infrared light. Accordingly, the camera 310 may acquire images for red light, green light, and near-infrared light.

The reference plate 320 may be installed on the ground surface of the soil for reflectivity correction.

The calculator 330 performs reflectance correction on the red light, green light, and near-infrared light images obtained from the camera 310 for red light, green light and near-infrared light using the reference plate 320, and then the following [Equation 1], one of the vegetation indexes, the Normalized Difference Vegetation Index (NDVI), can be calculated.

는 근적외선 파장의 반사도,

는 빨간색 파장의 반사도를 나타내며, 상기 수학식 1은 정규화식생지수를 구하는 식 중의 하나의 예시일 뿐이며 이에 한정되는 것이 아닌 다른 계산식으로도 계산될 수 있다.here,

is the reflectivity of the near-infrared wavelength,

represents the reflectivity of the red wavelength, and Equation 1 is only an example of one of the formulas for obtaining the normalized vegetation index, and it can be calculated by other formulas rather than being limited thereto.

At this time, the vegetation index is not only the normalized vegetation index (NDVI) as described above, but also the normalized difference red edge (NDRE), the green normalized difference vegetation index (GNDVI), the enhanced vegetation index (Enhanced Vegetation) Index, EVI), advanced vegetation index (Advanced Vegetation Index, AVI), and the like may be included, but is not limited thereto.

At this time, the calculator 330 may calculate the vegetation index predicted value through a machine learning model that calculates the vegetation index of the future as well as calculating the vegetation index observed from the current plant. The machine learning model is a plant type, growth days, past vegetation index, past temperature, past relative humidity, past precipitation, past moisture content, past vegetation observed with a value including EC (Electrical Conductivity) as a predictor variable By training a machine learning model with the index values, it is possible to estimate future vegetation index values.

Here, the image acquired from the camera 310 and various data calculated by the calculator 330 may be stored in the memory of the Raspberry Pi.

The sensor unit 340 may include sensors for measuring various environmental data, such as a soil moisture content sensor, an EC sensor, a geo temperature sensor, a temperature sensor, a humidity sensor, and a sunlight sensor. Based on the data measured by the calculation unit 330 and the sensor unit 340 , the control unit 400 to be described later may control the irrigation unit 100 and the fertilization unit 200 .

The control unit 400 may control opening and closing of valves of the irrigation unit 100 and the fertilization unit 200 according to the conditions of soil and plants observed by the observation unit 300 . For example, when the soil moisture content is 15% or less or the vegetation index has been observed or predicted to decrease than the previously observed vegetation index value, the relay and flow meters 170 and 270 of the irrigation pump 150 or liquid fertilizer pump 250 ), it is possible to determine whether to open or close the irrigation valve 160 and the liquid fertilizer valve 260 based on the observed and predicted values of the EC measurement value of the soil or the vegetation index. When irrigation and fertilization are completed as much as the required amount of irrigation and fertilization by opening the irrigation valve 160 or liquid fertilizer valve 260, the power to the pump is cut off, and the current flow meter (170, 270) value is stored to store the accumulated flow rate. have. Thereafter, the valves of the flowmeters 170 and 270 , the irrigation valve 160 , and the liquid rain valve 260 may be closed. At this time, when the value of the flowmeters 170 and 270 of the irrigation unit 100 or the fertilization unit 200 is less than a predetermined level, it is determined as a failure and an alarm message can be notified to the user.

The components of the unmanned irrigation and fertilization system 1 according to the present invention described above may be implemented as hardware including one or more signal processing or application-specific integrated circuits, software, or a combination of both hardware and software, Terms such as '~ unit' and '~ group' used in , mean a unit that processes at least one function or operation, which may be implemented as hardware or software, or a combination of hardware and software.

Hereinafter, an unattended irrigation and fertilization method according to an embodiment of the present invention will be described with reference to FIGS. 8 and 9 .

8 and 9 are flowcharts of an unattended irrigation and fertilization method according to an embodiment of the present invention.

The method shown in FIGS. 8 and 9 may be performed by the unmanned irrigation and fertilization system 1 according to an embodiment of the present invention shown in FIG. 1 . Since the detailed description of the unmanned irrigation and fertilization system 1 has been described above with reference to FIGS. 1 to 7 , the following may be omitted to avoid duplication.

Referring to FIG. 8 , the unmanned irrigation and fertilization method according to an embodiment of the present invention includes a vegetation index measurement step (S100), a irrigation and fertilization necessary determination step (S200), a watering and fertilization demand calculation step (S300) and irrigation And it may include a fertilization step (S400).

In the vegetation index measurement step (S100), as described above in the observation unit 300 of the unmanned irrigation and fertilization system 1, using the camera 310 using the filter 311, the reflectance according to the wavelength for the plants in the soil can be obtained, and the vegetation index value can be measured accordingly or the vegetation index predicted value can be calculated through a machine learning model. At this time, in the vegetation index measurement step ( S100 ), as shown in FIG. 9 , soil moisture content, EC, ground temperature, temperature, humidity, sunlight, etc. may be measured from the sensor unit 340 as well as the vegetation index.

In the determining step (S200) whether irrigation and fertilization is necessary, it is possible to determine whether irrigation and fertilization are necessary according to whether the vegetation index measured in the vegetation index measurement step (S100) has fallen compared to the existing vegetation index. If the measured vegetation index value or the vegetation index predicted value is lower than the previously measured vegetation index value, it can be determined that irrigation or fertilization is necessary.

Referring to FIG. 9 , the determining step (S200) of whether irrigation and fertilization is necessary according to an embodiment of the present invention includes a vegetation index drop prediction step (S210), a cause analysis step (S220) and an appropriate level determination step (S230). can do.

In the vegetation index decline prediction step (S210), it can be determined whether the measured vegetation index value or the vegetation index predicted value has fallen than the previously measured vegetation index value.

In the cause analysis step (S220), it is analyzed whether the reason that the measured vegetation index value or the vegetation index predicted value has decreased than the existing vegetation index value is due to a controllable environmental factor, and if it is due to an uncontrollable environmental factor, the cause of the vegetation index decrease is determined and the cause may notify the user.

In the appropriate level determination step (S230), when the reason that the measured vegetation index value or the vegetation index predicted value is lower than the existing vegetation index value is due to a controllable environmental factor, it is determined whether the controllable environmental factor maintains an appropriate level, If it is maintained at an appropriate level, it is determined that an abnormality has occurred in the system 1, and it is considered that a problem has occurred in the plant due to a pest or an unknown reason, and the user can be notified of this. If the controllable environmental factors are not maintained at an appropriate level, it may be determined that finally irrigation or fertilization is necessary for the soil.

When it is determined that irrigation or fertilization is necessary in the irrigation and fertilization required determination step (S200) in the irrigation and fertilization requirement calculation step (S300), the irrigation or fertilization requirement can be calculated based on the measured vegetation index value. The amount of irrigation or fertilization required may be calculated through an artificial intelligence algorithm according to soil and plant types, soil conditions, atmospheric conditions, vegetation index observed values and predicted values, and the like. By automatically irrigating or fertilizing the part that needs irrigation or fertilization according to the state value, it is possible to prevent excessive water supply or fertilizer supply and maintain an appropriate amount, thereby maximizing the irrigation and fertilization efficiency. have.

In the irrigation and fertilization step (S400), the water or fertilizer is automatically supplied by opening the irrigation valve 160 or the fertilization valve as much as the required amount of irrigation or fertilization calculated in the irrigation and fertilization required amount calculation step (S300).

That is, in the present invention, continuous monitoring of the plant state as an observation value of the vegetation index is performed, and the data obtained by continuously monitoring temperature, humidity, precipitation, sunlight, moisture content, EC, ground temperature, etc. for the atmospheric environment and soil environment. Predict the vegetation index of crops through machine learning using machine learning, determine whether irrigation and fertilization are necessary, and automatically perform irrigation and fertilization according to the required amount of irrigation and fertilization, and continuously provide the user with the status of the plants. can notify

Accordingly, in the unmanned irrigation and fertilization method according to an embodiment of the present invention, the soil environment (moisture content, EC, ground temperature, etc.), atmospheric environment (temperature, humidity, sunlight, fine dust, etc.) and vegetation index observed values measured by the unmanned station The irrigation and fertilization efficiency can be maximized by determining the need for irrigation and fertilization based on the irrigation and fertilization and calculating the amount of irrigation and fertilization accordingly to automatically perform irrigation and fertilization.

The method according to the embodiment described above may be implemented in the form of program instructions that can be executed through various computer means and recorded in a computer-readable medium. The computer-readable medium may include program instructions, data files, data structures, etc. alone or in combination. The program instructions recorded on the medium may be specially designed and configured for the embodiment, or may be known and available to those skilled in the art of computer software. Examples of the computer-readable recording medium include magnetic media such as hard disks, floppy disks and magnetic tapes, optical media such as CDROMs and DVDs, and magneto-optical media such as floppy disks. (magnetooptical media) and hardware devices specially configured to store and execute program instructions such as ROM, RAM, flash memory, and the like. Examples of program instructions include not only machine language codes such as those generated by a compiler, but also high-level language codes that can be executed by a computer using an interpreter or the like. The hardware devices described above may be configured to operate as one or more software modules to perform the operations of the embodiments, and vice versa.

As described above, although preferred embodiments of the present invention have been illustrated and described with reference to the drawings, the present invention is not limited to the specific embodiments described above, and the present invention is not limited to the scope of the present invention as claimed in the claims. Various modifications may be made by those of ordinary skill in the art to which the invention pertains, and these modifications should not be individually understood from the technical spirit or prospect of the present invention.

1: Unmanned irrigation and fertilization system
100: irrigation department
110: irrigation tank
120: irrigation hose
130, 230: vertical pipe
140, 240: screen
141, 241: Hall
150: irrigation pump
160: irrigation valve
170, 270: flow meter
200: fertilization
210: liquid fertilizer tank
220: liquid hose
250: liquid fertilizer pump
260: liquid rain valve
300: observation unit
310: camera
311: filter
320: reference plate
330: calculator
340: sensor unit
400: control unit

Claims (2)

In the unmanned irrigation and fertilization system that automatically supplies water and fertilizer to the soil,
irrigation unit that supplies water to the soil;
Fertilizer that supplies liquid fertilizer to the soil;
Observation unit for observing the condition of soil and plants; and
A control unit for controlling the irrigation unit and the fertilization unit according to the conditions of the soil and plants observed by the observation unit,
The irrigation unit,
Includes an irrigation screen for supplying water to the soil,
The fertilization part,
Includes a fertilization screen that supplies fertilizer to the soil,
The irrigation screen is characterized in that it is installed above the fertilization screen,
The observation unit,
Further comprising a calculator that calculates the predicted value of the vegetation index of plants according to the atmospheric environment and the soil environment through the machine learning model,
The control unit is
Unmanned irrigation and fertilization system, characterized in that when the predicted value of the vegetation index calculated by the calculator is lower than that of the existing vegetation index, controlling to perform irrigation and fertilization in the irrigation unit and the fertilization unit, respectively. In the unmanned irrigation and fertilization method for automatically supplying water and fertilizer to the soil in the unmanned irrigation and fertilization system of claim 1,
A vegetation index measurement step of measuring the vegetation index of plants;
A determination step of whether or not irrigation and fertilization is necessary for determining whether irrigation and fertilization are necessary according to whether the measured vegetation index is lower than that of the existing vegetation index;
If it is determined that irrigation or fertilization is necessary in the determining whether irrigation and fertilization is necessary, a calculation step of irrigation and fertilization required for calculating irrigation or fertilization requirements based on the measured vegetation index value; and
Including the irrigation and fertilization step of automatically supplying water or fertilizer to the soil according to the calculated irrigation or fertilization requirements,
The vegetation index measurement step,
Calculate the predicted value of the vegetation index of plants according to the atmospheric environment and the soil environment through the machine learning model,
The step of determining whether irrigation and fertilization is necessary,
Including a vegetation index decline prediction step of determining whether the vegetation index predicted value is lower than the existing vegetation index,
Unmanned irrigation and fertilization method, characterized in that it is determined whether irrigation and fertilization are necessary depending on whether the predicted value of the vegetation index of the plant is lower than that of the existing vegetation index.

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