CN104381097A - Fuzzy control irrigation system - Google Patents
Fuzzy control irrigation system Download PDFInfo
- Publication number
- CN104381097A CN104381097A CN201410671477.2A CN201410671477A CN104381097A CN 104381097 A CN104381097 A CN 104381097A CN 201410671477 A CN201410671477 A CN 201410671477A CN 104381097 A CN104381097 A CN 104381097A
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- Prior art keywords
- irrigation
- fuzzy
- differentiator
- irrigation system
- controller
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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
- A01G25/162—Sequential operation
-
- 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
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- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Greenhouses (AREA)
Abstract
The invention discloses a fuzzy control irrigation system, and belongs to the technical field of irrigation control systems. The fuzzy control irrigation system comprises a temperature sensor, a humidity sensor, comparators, amplifiers, differentiators, a fuzzy controller and an irrigation executing mechanism, wherein the temperature sensor is sequentially connected with the first comparator and the first differentiator, the humidity sensor is sequentially connected with the second comparator and the second differentiator, the first differentiator is connected with an input end of the fuzzy controller through the first amplifier, the second differentiator is connected with the input end of the fuzzy controller through the second amplifier, and an output end of the fuzzy controller is connected with the irrigation executing mechanism through the third amplifier. The fuzzy control irrigation system uses a fuzzy control theory, automatically controls running of the irrigation executing mechanism according to actual situations of farmland, and guarantees accuracy and timeliness of irrigation.
Description
Technical field
The present invention relates to a kind of fuzzy control irrigation system, belong to irrigation control system technical field.
Background technology
In the process of growth of crops, in order to ensure the needs of crop growthing development, need to irrigate crops.And when irrigating Large Area of Crops, need to drop into a large amount of human and material resources.
Application number is 201310191289.5, the applying date be on May 21st, 2013 application discloses a kind of irrigation system, comprise: engine, switch, power supply, water pump and shower nozzle, described irrigation system also comprises controller, described switch is electrically connected with described controller, described power supply and described engine simultaneously, described water pump is connected with described engine and described power electric, and connects described shower nozzle.In one of them embodiment, described controller gives described switch for timed sending enabling signal and end signal; The described enabling signal that described switch sends for responding described controller, is communicated with described power supply and described engine, and responds described end signal, disconnect the connection of described power supply and described engine.The time that only need set needs thus just automatically to plant irrigation, can save manpower financial capacity.
Application number is 201410337638.4, the applying date be on July 16th, 2014 application discloses a kind of Intelligent irrigation system, comprise sensing unit, push-button unit, clock unit, display unit, electric-motor drive unit, buzzing Tip element and control unit.Wherein, sensing unit can perception environmental information be transferred to control unit; Push-button unit can be arranged irrigation duration and condition, and configuration information is passed to control unit; Clock unit can produce highly accurate temporal information for control unit; Display unit can displaying time information and environmental information; Electric-motor drive unit can after receiving control signal starter motor, drive irrigation installation work, and pointed out by buzzing Tip element; Control unit receives and processing environment information, temporal information, configuration information, and controls electric-motor drive unit, display unit and the work of buzzing Tip element.Intelligent irrigation system of the present invention can gather environmental information and automatically-controlled irrigation equipment work, and system architecture is simple, easy to use.
Some current irrigation systems determine that the passive water-feeding type of irrigation time and irrigation volume is irrigated mostly or artificially, its irrigation time and duty might not be reasonable to nursery, and therefore implementing essence amount control irrigation according to crop water shortage information is one of important channel of improving the availability of water and the production efficiency of water.
Summary of the invention
In order to solve the problem, the present invention proposes a kind of fuzzy control irrigation system, adopt fuzzy control theory, automatically according to the work of the actual conditions control irrigation executing agency in farmland, ensure that accuracy and the promptness of irrigation, avoid artificial careless omission to delay crop growth, effectively save manpower.
The present invention adopts following technical scheme for solving its technical problem:
A kind of fuzzy control irrigation system, comprise temperature sensor, humidity sensor, comparator, amplifier, differentiator, fuzzy controller and irrigation executing agency, wherein said temperature sensor and the first comparator, the first differentiator are linked in sequence; Described humidity sensor is connected with the second comparator, the second differentiator order; Described first differentiator is connected with the input of fuzzy controller by the first amplifier, described second differentiator is connected with the input of fuzzy controller by the second amplifier, and the output of fuzzy controller is connected with the input of irrigating executing agency by the 3rd amplifier.
As a preferred technical solution of the present invention: described humidity sensor is Hall element.
As a preferred technical solution of the present invention: described irrigation executing agency is root filling device.
As a preferred technical solution of the present invention: described temperature sensor is Hall element.
As a preferred technical solution of the present invention: described fuzzy controller is Programmable Logic Controller.
A kind of fuzzy control irrigation system of the present invention adopts above technical scheme compared with prior art, has following technique effect:
(1) the present invention adopts fuzzy control theory, does not rely on the mathematical models of controlled device.Utilize the relation that control law comes between descriptive system variable.Descriptive system is carried out by the fuzzy variable of languages type without numerical value.Simplify the complexity of system, be specially adapted to non-linear, time become, the control of delayed, the incomplete system of model.
(2) temperature sensor of the present invention and humidity sensor adopt Hall element, and measuring tempeature and humidity, precision is high, the linearity good.
(3)this invention removes the fluctuation problem caused in Traditional control process, soil moisture in irrigated area is stabilized in a concrete scope, ensure that the healthy growth of crops.
(4) the present invention adopts humidity sensor and temperature sensor to detect soil moisture and the temperature at each terminal node place in real time, automatically according to the operation of the actual conditions control irrigation executing agency in farmland, solve in traditional irrigation mode and irrigate and cannot automatically carry out, need the problem of manual operation irrigation installation.Ensure that accuracy and the promptness of irrigation, avoid artificial careless omission to delay crop growth, effectively saved manpower.
(5) irrigation executing agency of the present invention adopts root filling device, and avoid the ground of pouring water and lose through stream, evaporation from land surface and underground leakage, both sharp root water uptakes, sharp root system is breathed freely again, is conducive to the growth of crops.
(6) the present invention adopts fuzzy reasoning, overcome the water demand of crop that calculates in traditional irrigation model and the larger defect of crop actual water requirement deviation, every this inference system at regular intervals calculates the water demand of crop, and make corresponding irrigation practice, a large amount of irrigation water can not only be saved like this, and can pour water in appropriate amount, be conducive to the growth of crop, thus improve the output of crop.
(7), during fuzzy controller employing Programmable Logic Controller of the present invention, reliability is high, and antijamming capability is strong.
Accompanying drawing explanation
fig. 1 isthe schematic diagram of fuzzy control irrigation system.
Embodiment
Below the invention is described in further details.
A kind of fuzzy control irrigation system as shown in Figure 1, comprise temperature sensor, humidity sensor, comparator, amplifier, differentiator, fuzzy controller and irrigation executing agency, wherein said temperature sensor and the first comparator, the first differentiator are linked in sequence; Described humidity sensor is connected with the second comparator, the second differentiator order; Described first differentiator is connected with the input of fuzzy controller by the first amplifier, described second differentiator is connected with the input of fuzzy controller by the second amplifier, and the output of fuzzy controller is connected with the input of irrigating executing agency by the 3rd amplifier.
As a preferred technical solution of the present invention: described humidity sensor is Hall element.
As a preferred technical solution of the present invention: described irrigation executing agency is root filling device.
As a preferred technical solution of the present invention: described temperature sensor is Hall element.
As a preferred technical solution of the present invention: described fuzzy controller is Programmable Logic Controller.
The present invention adopts fuzzy control theory, does not rely on the mathematical models of controlled device.Utilize the relation that control law comes between descriptive system variable.Descriptive system is carried out by the fuzzy variable of languages type without numerical value.Simplify the complexity of system, be specially adapted to non-linear, time become, the control of delayed, the incomplete system of model.Fuzzy controller is a speech path controller, and convenient operation librarian use natural language carries out human-computer dialogue.Fuzzy controller is the comparatively ideal gamma controller of a kind of easy control, grasp, has preferably robustness, adaptability, robustness (Robustness) and preferably fault-tolerance (Fault Tolerance).
Temperature sensor of the present invention and humidity sensor adopt Hall element, and Hall element is divided into line style Hall element and Hall switch sensor two kinds.And Hall element of the present invention is lienar for Hall element, be made up of Hall element, linear amplifier and emitter follower, it exports analog quantity.Linear hall sensor can be divided into open loop type and closed loop again.Closed loop Hall element is also known as Zero flux Hall element.Linear hall sensor is mainly used in ac and dc current and voltage measurement.Adopt the temperature sensor of Hall element and humidity sensor detected temperatures and humidity, precision is high, the linearity good.
Humidity sensor in the present invention, temperature sensor and irrigation executing agency are battery-powered by 7.2V/800Ma/h rechargeable Ni-H 2, the supplementary energy of this battery pack converts electric energy by solar panel to by solar energy simultaneously, then is provided by charging control circuit.The power acquisition of the fuzzy controller in the present invention be input 24AC out-put supply adapter by 220/110VAC to power, it exports and carries out by connected rectifier filter the 5V voltage stabilizing that rectification and filtering formed and export to fuzzy controller.
During fuzzy controller employing Programmable Logic Controller of the present invention, reliability is high, and antijamming capability is strong.Programmable Logic Controller is a kind of electronic system of electronics of digital operation, it adopts the memory that can program, be used for perform stored logic computing and sequential control, regularly, the instruction of the operation such as counting and arithmetical operation, and by input (I) that is digital or that simulate and output (O) interface, control various types of plant equipment or production process.
Programmable Logic Controller is called for short the English full name of PLC(: Programmable Logic Controller).Formal from the hardware configuration of PLC, PLC can be divided into overall fixing I/O type, and elementary cell adds extended pattern, modular, integrated form, distributed 5 kinds of basic structure forms.Programmable Logic Controller comprise CPU, memory. input/output interface (I/O module) and communication interface.CPU is the control axis of PLC, is that the core of PLC plays neural effect.It receives according to the function that PLC system program is given and stores the user program and data keyed in from programmable device; Check the state of power supply, memory, I/O and warning timer.
This invention removes the fluctuation problem caused in Traditional control process, soil moisture in irrigated area is stabilized in a concrete scope, ensure that the healthy growth of crops.
The present invention adopts humidity sensor and temperature sensor to detect soil moisture and the temperature at each terminal node place in real time, automatically according to the work of the actual conditions control irrigation executing agency in farmland, solve in traditional irrigation mode and irrigate and cannot automatically carry out, need the problem of manual operation irrigation installation.Ensure that accuracy and the promptness of irrigation, avoid artificial careless omission to delay crop growth, effectively saved manpower.
The present invention adopts fuzzy reasoning, overcomes the water demand of crop that calculates in traditional irrigation model and the larger defect of crop actual water requirement deviation.This system applies in irrigation control, and often this inference system calculates the water demand of crop at regular intervals, and makes corresponding irrigation practice, a large amount of irrigation water can not only be saved like this, and can pour water in appropriate amount, be conducive to the growth of crop, thus improve the output of crop.
Irrigation rig has sprinkling irrigation system, drip irrigation system and low pressure pipe irrigation system etc., primarily of stem water intaking pressurization facility, water transfer pipe network and irrigate discharging device three part composition, usually pipe irrigation system is divided into fixed, semi-fixed type and portable three types by its movable degree.Irrigation rig of the present invention adopts root filling device, and avoid the ground of pouring water and lose through stream, evaporation from land surface and underground leakage, both sharp root water uptakes, sharp root system is breathed freely again, is conducive to the growth of crops.
By reference to the accompanying drawings embodiments of the present invention are explained in detail above, but the present invention is not limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art possess, can also makes a variety of changes under the prerequisite not departing from present inventive concept.
Claims (5)
1. a fuzzy control irrigation system, it is characterized in that, comprise temperature sensor, humidity sensor, the first to the second comparator, the first to the 3rd amplifier, the first to the second differentiator, fuzzy controller and irrigation executing agency, wherein said temperature sensor and the first comparator, the first differentiator are linked in sequence; Described humidity sensor is connected with the second comparator, the second differentiator order; Described first differentiator is connected with the input of fuzzy controller by the first amplifier, described second differentiator is connected with the input of fuzzy controller by the second amplifier, and the output of fuzzy controller is connected with the input of irrigating executing agency by the 3rd amplifier.
2. a kind of fuzzy control irrigation system according to claim 1, is characterized in that described humidity sensor is Hall element.
3. a kind of fuzzy control irrigation system according to claim 1, is characterized in that described irrigation executing agency is root filling device.
4. a kind of fuzzy control irrigation system according to claim 1, is characterized in that described temperature sensor is Hall element.
5. a kind of fuzzy control irrigation system according to claim 1, is characterized in that described fuzzy controller is Programmable Logic Controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410671477.2A CN104381097A (en) | 2014-11-21 | 2014-11-21 | Fuzzy control irrigation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410671477.2A CN104381097A (en) | 2014-11-21 | 2014-11-21 | Fuzzy control irrigation system |
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| CN104381097A true CN104381097A (en) | 2015-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410671477.2A Withdrawn CN104381097A (en) | 2014-11-21 | 2014-11-21 | Fuzzy control irrigation system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105353656A (en) * | 2015-11-05 | 2016-02-24 | 宁波熵联信息技术有限公司 | Intelligent greenhouse irrigation control device based on fuzzy inference |
| CN105409729A (en) * | 2015-11-12 | 2016-03-23 | 苏州苏农园艺景观有限公司 | Intelligent irrigation system |
| CN111353715A (en) * | 2020-03-05 | 2020-06-30 | 中国科学院寒区旱区环境与工程研究所 | Agricultural water resource intelligent distribution control system |
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|---|---|---|---|---|
| CN2544523Y (en) * | 2002-05-16 | 2003-04-16 | 茂名学院 | Intelligent sprinkling and dribbling controlling device |
| CN201595053U (en) * | 2009-11-26 | 2010-10-06 | 常州工学院 | Fuzzy irrigation control system |
| CN101881979A (en) * | 2010-07-12 | 2010-11-10 | 郭栋才 | Fuzzy control system and method for humidity of airliner cabin |
| CN101893851A (en) * | 2010-07-12 | 2010-11-24 | 郭栋才 | Indoor temperature fuzzy control system and method thereof |
| CN203435488U (en) * | 2013-08-27 | 2014-02-19 | 成都网世春天科技有限公司 | Irrigation control system |
-
2014
- 2014-11-21 CN CN201410671477.2A patent/CN104381097A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2544523Y (en) * | 2002-05-16 | 2003-04-16 | 茂名学院 | Intelligent sprinkling and dribbling controlling device |
| CN201595053U (en) * | 2009-11-26 | 2010-10-06 | 常州工学院 | Fuzzy irrigation control system |
| CN101881979A (en) * | 2010-07-12 | 2010-11-10 | 郭栋才 | Fuzzy control system and method for humidity of airliner cabin |
| CN101893851A (en) * | 2010-07-12 | 2010-11-24 | 郭栋才 | Indoor temperature fuzzy control system and method thereof |
| CN203435488U (en) * | 2013-08-27 | 2014-02-19 | 成都网世春天科技有限公司 | Irrigation control system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105353656A (en) * | 2015-11-05 | 2016-02-24 | 宁波熵联信息技术有限公司 | Intelligent greenhouse irrigation control device based on fuzzy inference |
| CN105409729A (en) * | 2015-11-12 | 2016-03-23 | 苏州苏农园艺景观有限公司 | Intelligent irrigation system |
| CN111353715A (en) * | 2020-03-05 | 2020-06-30 | 中国科学院寒区旱区环境与工程研究所 | Agricultural water resource intelligent distribution control system |
| CN111353715B (en) * | 2020-03-05 | 2021-01-26 | 中国科学院西北生态环境资源研究院 | Agricultural water resource intelligent distribution control system |
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Application publication date: 20150304 |