CN107041282A - It is a kind of to realize the water-fertilizer integral algorithm and controller of closed-loop control - Google Patents

It is a kind of to realize the water-fertilizer integral algorithm and controller of closed-loop control Download PDF

Info

Publication number
CN107041282A
CN107041282A CN201710045574.4A CN201710045574A CN107041282A CN 107041282 A CN107041282 A CN 107041282A CN 201710045574 A CN201710045574 A CN 201710045574A CN 107041282 A CN107041282 A CN 107041282A
Authority
CN
China
Prior art keywords
closed
loop
control
sensor
algorithm
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710045574.4A
Other languages
Chinese (zh)
Inventor
王海
徐鹏民
盖凌云
吕光杰
曲丽君
黄国富
宫丽宁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Agricultural University
Original Assignee
Qingdao Agricultural University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao Agricultural University filed Critical Qingdao Agricultural University
Priority to CN201710045574.4A priority Critical patent/CN107041282A/en
Publication of CN107041282A publication Critical patent/CN107041282A/en
Pending legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G25/00Watering gardens, fields, sports grounds or the like
    • A01G25/16Control of watering
    • A01G25/167Control by humidity of the soil itself or of devices simulating soil or of the atmosphere; Soil humidity sensors
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B13/00Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
    • G05B13/02Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
    • G05B13/04Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators
    • G05B13/042Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators in which a parameter or coefficient is automatically adjusted to optimise the performance
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06QDATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
    • G06Q50/02Agriculture; Fishing; Mining

Abstract

The water-fertilizer integral algorithm and controller of closed-loop control can be realized the invention discloses a kind of, including for the method for the sensor indicator for receiving set point indicator and/or being produced by sensor.The response time of closed loop control algorithm is changed when meeting at least one threshold value based on the sensor indicator and/or set point indicator.In response to the modification of the response time to the closed loop control algorithm, by adjusting at least one parameter associated with closed loop control algorithm come the stable closed loop control algorithm realized by flow controller.The superior effect of water-fertilizer integral precision management system of the present invention is:Intelligence degree is high, is preferably applied to the Intelligent irrigation system that local control and long-range strange land are controlled, easy for installation, cost is low, attended operation is simple, with very strong application value.The field management to being automated in farm-forestry crop growth course is realized, the expenditure of human cost is reduced, improves production efficiency, agricultural modernization is realized.

Description

It is a kind of to realize the water-fertilizer integral algorithm and controller of closed-loop control
Technical field
The invention belongs to Automation of Agricultural Production management domain, more particularly to a kind of it can realize the liquid manure one of closed-loop control Body algorithm and controller.
Background technology
As intensive degree, labor cost more and more higher, it would be highly desirable to provide one and meet current cultivation are cultivated in agriculture gardens Present situation is trained, man efficiency is improved, the high-efficiency agriculture production automation management system manually participated in is reduced.
And the fertilising of prior art and irrigation system are by manually controlling, complex operation, pour water and fertilising be separately controlled, The stability of a system is poor, does not account for the protection of motor and the protection of whole pipeline.With agriculture gardens cultivation intensive degree, Labor cost is higher, it would be highly desirable to provides one and meets current Planting status, improves man efficiency, reduces the efficient agriculture manually participated in Industry production automation management system.
Water conservancy is the lifeblood of country, is human survival and the precious resources built.China is that water resource lacks in the world Country, occupancy volume per person is only equivalent to a quarter of world occupancy volume per person, and many regional water shortages in the north are even more serious.Now Industrialized agriculture expands, but only focuses on improving microclimate environment, there are some defects, system in terms of fine control technique of pouring water About energy-conservation, water saving effect.In order to promote industrialized agriculture (greenhouse, greenhouse) to reach a new level, comprehensive China's actual conditions, implementation science, Fine irrigation technique that is cheap, saving water and energy is imperative.
Closed-loop proportional-integral differential (proportional-integral-derivative) (PID) control algolithm can be by Adjust to meet the control requirement of fluid flow application with the response time (for example, the response time accelerated).But, adjustment The requirement that the response time of closed loop PID control algorithm meets concrete application may have undesired side effect.For example, being adjusted The closed loop PID control algorithm of the whole significant changes happened suddenly for fast algorithm with quickly responding in fluid flow can be in fluid stream Amount causes the flow with noise when stable.Fast algorithm is exaggerated high frequency sensor, analog-digital converter (ADC) and quantified and electricity Sub- noise, causes the control signal with noise.
On the other hand, although being adjusted to the closed loop PID control algorithm with the slower response time not to stabilization Fluid flow introduces noise, but the significant changes that accurately and rapidly can not be happened suddenly in calibrated flow condition are (for example, setting Mutation or pressure change in point).With only realizing the problem of quick or long response time algorithm is associated due to nonideal Situation, such as flow sensor read delayed or flow controller components in it is non-linear and become more complicated.Therefore, Need to solve the deficiency of current method and other novel and innovation feature is provided.
The content of the invention
The water-fertilizer integral algorithm and controller of closed-loop control can be realized it is an object of the invention to provide a kind of, to subtract The too high technical problem of artificial participation of few crops during production, labor cost.
The present invention be achieved in that it is a kind of can realize the water-fertilizer integral algorithm and controller of closed-loop control, it is a kind of The water-fertilizer integral algorithm of closed-loop control can be realized, including:
Set point indicator is received, the set point indicator indicates fluid flow set point;
The sensor indicator produced by sensor is received, the sensor indicator indicates the flow rate of the fluid;
Bias adaptive closed-loop-control algorithm and associated parameter so that the adaptive closed-loop-control algorithm has slow Slow mode;
Based at least one in the sensor indicator or the set point indicator, by feedback filter from slow Schema modification is to quick mode, and the feedback filter is associated with the water-fertilizer integral algorithm of the closed-loop control, described to close The water-fertilizer integral algorithm of ring control is associated with flow controller;
The feedback filter is returned into the slow pattern from quick mode modification;And based on to the feedback The modification of wave filter changes the adjusting parameter associated with the adaptive closed-loop-control algorithm, when the feedback filtering When device is changed, change the adjusting parameter to stablize the adaptive closed-loop-control algorithm.
Also include changing adaptive based at least one in the sensor indicator or the set point indicator Gain, the adaptive gain is used to compensate associated with the flow controller in the adaptive closed-loop-control algorithm At least one nonlinear characteristic.
Also include changing adaptive based at least one in the sensor indicator or the set point indicator Gain, the adaptive gain is used to compensate associated with the flow controller in the adaptive closed-loop-control algorithm At least one nonlinear characteristic, the step of changing the adaptive gain includes:In response to the stream by the flow controller The change of body flow rate and modified according to math equation.
The step of wherein changing the feedback filter includes:By adjusting the time associated with the feedback filter Constant changes the response time associated with the feedback filter.
Wherein described adaptive closed-loop-control algorithm is based at least one in the control of ratio control, integration control or differential It is individual.
Wherein described sensor is at least one in flow sensor, timer, pressure sensor or temperature sensor.
The step of wherein changing the feedback filter includes:In response to the fluid flow rate by the flow controller Change and modified according to math equation.
The response time of adaptive closed-loop-control algorithm when wherein described feedback filter is in the slow pattern The response time of adaptive closed-loop-control algorithm when being in the quick mode different from the feedback filter.
The step of wherein changing the feedback filter includes:Refer to reference to the sensor indicator or the set point At least one at least one associated threshold value in indicating value is modified.
The step of wherein changing the feedback filter includes:In response to the fluid flow rate by the flow controller Change and the feedback filter is little by little changed according to math equation.
A kind of to realize the water-fertilizer integral algorithm and controller of closed-loop control, controller includes:
Processor, is configured as biasing adaptive closed-loop-control algorithm and associated parameter with so that described adaptively close Ring control algolithm have slow pattern and in based on the sensor indicator or set point indicator that are produced by sensor extremely Few one when meeting at least one threshold value by the adaptive closed-loop-control algorithm from the slow schema modification to quick mode, The processor is adaptively closed by the modification feedback filter associated with the adaptive closed-loop-control algorithm and with described The associated adjusting parameter of ring control algolithm changes the adaptive closed-loop-control algorithm, and the processor will it is described from Adapt to closed loop control algorithm modification and return to the slow pattern;And memory, it is configured as storage and the feedback filter With at least one associated parameter in the adjusting parameter, parameter described in the processor from the memory access.
Also include valve, the valve be configured to respond to control indicated value and open and close, it is described control indicated value by The processor is produced based on the adaptive closed-loop-control algorithm.
Wherein described sensor is that the environment monitoring sensor includes liquid EC sensors, liquid PH sensors, soil EC sensors, soil humidity sensor, soil temperature sensor, air humidity sensor, intensity of illumination sensor, rainfall sensing Device, flowmeter, preceding pressure gauge and rear pressure gauge.
Wherein described processor be configured as based in the sensor indicator or the set point indicator at least One is changed the adaptive gain associated with the adaptive closed-loop-control algorithm, and the adaptive gain is described adaptive Answer is used to compensate at least one nonlinear characteristic associated with the valve in closed loop control algorithm.
Also include memory, the memory is configured as at least one described threshold value of storage, and the processor is configured For from least one threshold value described in the memory access.
Compared with prior art, a kind of water-fertilizer integral precision management system that the present invention is provided, includes irrigation decision, Fertilization Decision, electric motor protecting, the issue of environmental monitoring information internet, system safety operation record, various control executive mode.Intelligence The Intelligent irrigation system that degree is high, is preferably controlled suitable for local control and long-range strange land can be changed, easy for installation, cost is low, Attended operation is simple, with very strong application value.Realize the field pipe to being automated in farm-forestry crop production process Reason, reduces the expenditure of human cost, improves production efficiency, realizes agricultural modernization.
Brief description of the drawings
Fig. 1 is that the water-fertilizer integral algorithm and controller architecture provided in an embodiment of the present invention that can realize closed-loop control shows It is intended to.
In figure:Environment monitoring sensor 1, central control processor 2, FUZZY ALGORITHMS FOR CONTROL device 3, stem controller 4, coding Device main frame 5, programmable controller 6, wireless host 7, high-precision controller 8, fertilising pump relay 9, stem motor relay 10, Remote control decoder 11, electronic valve 12 and long distance wireless decoder 13.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to Limit the present invention.
The structure to the present invention is explained in detail below in conjunction with the accompanying drawings.
As shown in figure 1, provided in an embodiment of the present invention can realize the water-fertilizer integral algorithm and controller of closed-loop control Including environment monitoring sensor 1, central control processor 2, FUZZY ALGORITHMS FOR CONTROL device 3, stem controller 4, encoder main frame 5, Programmable controller 6, wireless host 7, high-precision controller 8, fertilising pump relay 9, stem motor relay 10, remote control Decoder 11, electronic valve 12 and long distance wireless decoder 13 are constituted.Central control processor 2 respectively with environment monitoring sensor 1 and FUZZY ALGORITHMS FOR CONTROL device 3 connect, and wireless host 7 and the wireless connection of central control processor 2, central control processor 2 with Stem controller 4, decoder main frame 5, the wired connection of programmable controller 6, wireless host 7 and central control processor 2 are wireless Connection.Wherein environment monitoring sensor 1 includes liquid EC sensors, liquid PH sensors, soil EC sensors, soil moisture biography Sensor, soil temperature sensor, air humidity sensor, air temperature sensor, intensity of illumination sensor, rain sensor, Flowmeter, preceding pressure gauge and rear pressure gauge.The connection of stem controller 4 high-precision controller 8, fertilising pump relay 9 and stem electricity Machine relay 10.Decoder main frame 5, remote control decoder 11 and electronic valve 12 are sequentially connected, wireless host 7 and long-range nothing Line decoder 13, electronic valve 12 are sequentially connected, and programmable controller 6 is directly connected to electronic valve 12.
Stem controller 4 in water-fertilizer integral precision management system have fertilising, water pump control, water source filtering, constant pressure, The functions such as row pressure.
Decoder main frame 5 is the letter that central control processor 2 is converted into decoder to the control instruction of electronic valve 12 Number.
Programmable controller 6 is to change into central control processor 2 control instruction of electronic valve 12 to each electronics The control signal of valve 12, each of which control signal is by independent carrier cable, carrier cable transmission to corresponding electricity Sub- valve 12.
When field EC values are less than setting value, illustrate that the soil nutrient in field lacks, central control processor 2 can then be controlled Electronic valve 12 is opened, and carries out the fertile automatic irrigation of hydration, after EC values reach predetermined value, electronic valve 12 is closed automatically.
Central control processor is changed into each wireless control terminal by wireless host 7 to the control instruction of 2 electronic valves 12 All receptible wireless control signal, so as to control electronic valve 12.
Central control processor 2 can set irrigation date, and run time, chain program program, sensor starts, followed Ring infiltrates program, ET waterpouring process etc..
By GPS map, running situation and the meeting dispaly state report of all website even single shower nozzles can be shown, Easily operated personnel's programming, monitors and finds and solve failure.
Region area selected on map can be measured and calculated using map software module, and program is real by colour chart When show the running situation of each website, it is allowed in real time according to the information drawing for show personal workstation on coloured picture.
Water-fertilizer integral precision management system of the present invention passes through irrigation decision, Fertilization Decision, electric motor protecting, environmental monitoring letter Cease internet issue, system safety operation record, various control executive mode, two line decoders, many line traffic controls, controlled in wireless side Formula realizes water-fertilizer integral precision management system, simple to operate, easy to maintenance, realizes to automatic during production estimation The field management of change, reduces the expenditure of human cost, improves production efficiency and the efficiency of management, realizes showing for agricultural production Dai Hua.
It is a kind of to realize the water-fertilizer integral algorithm and controller of closed-loop control, it is a kind of to realize the water of closed-loop control Fertile Integrated Algorithm, including:
Set point indicator is received, the set point indicator indicates fluid flow set point;
The sensor indicator produced by sensor is received, the sensor indicator indicates the flow rate of the fluid;
Bias adaptive closed-loop-control algorithm and associated parameter so that the adaptive closed-loop-control algorithm has slow Slow mode;
Based at least one in the sensor indicator or the set point indicator, by feedback filter from slow Schema modification is to quick mode, and the feedback filter is associated with the water-fertilizer integral algorithm of the closed-loop control, described to close The water-fertilizer integral algorithm of ring control is associated with flow controller;
The feedback filter is returned into the slow pattern from quick mode modification;And based on to the feedback The modification of wave filter changes the adjusting parameter associated with the adaptive closed-loop-control algorithm, when the feedback filtering When device is changed, change the adjusting parameter to stablize the adaptive closed-loop-control algorithm.
Also include changing adaptive based at least one in the sensor indicator or the set point indicator Gain, the adaptive gain is used to compensate associated with the flow controller in the adaptive closed-loop-control algorithm At least one nonlinear characteristic.
Also include changing adaptive based at least one in the sensor indicator or the set point indicator Gain, the adaptive gain is used to compensate associated with the flow controller in the adaptive closed-loop-control algorithm At least one nonlinear characteristic, the step of changing the adaptive gain includes:In response to the stream by the flow controller The change of body flow rate and modified according to math equation.
The step of wherein changing the feedback filter includes:By adjusting the time associated with the feedback filter Constant changes the response time associated with the feedback filter.
Wherein described adaptive closed-loop-control algorithm is based at least one in the control of ratio control, integration control or differential It is individual.
Wherein described sensor is at least one in flow sensor, timer, pressure sensor or temperature sensor.
The step of wherein changing the feedback filter includes:In response to the fluid flow rate by the flow controller Change and modified according to math equation.
The response time of adaptive closed-loop-control algorithm when wherein described feedback filter is in the slow pattern The response time of adaptive closed-loop-control algorithm when being in the quick mode different from the feedback filter.
The step of wherein changing the feedback filter includes:Refer to reference to the sensor indicator or the set point At least one at least one associated threshold value in indicating value is modified.
The step of wherein changing the feedback filter includes:In response to the fluid flow rate by the flow controller Change and the feedback filter is little by little changed according to math equation.
A kind of to realize the water-fertilizer integral algorithm and controller of closed-loop control, controller includes:
Processor, is configured as biasing adaptive closed-loop-control algorithm and associated parameter with so that described adaptively close Ring control algolithm have slow pattern and in based on the sensor indicator or set point indicator that are produced by sensor extremely Few one when meeting at least one threshold value by the adaptive closed-loop-control algorithm from the slow schema modification to quick mode, The processor is adaptively closed by the modification feedback filter associated with the adaptive closed-loop-control algorithm and with described The associated adjusting parameter of ring control algolithm changes the adaptive closed-loop-control algorithm, and the processor will it is described from Adapt to closed loop control algorithm modification and return to the slow pattern;And memory, it is configured as storage and the feedback filter With at least one associated parameter in the adjusting parameter, parameter described in the processor from the memory access.
Also include valve, the valve be configured to respond to control indicated value and open and close, it is described control indicated value by The processor is produced based on the adaptive closed-loop-control algorithm.
Wherein described sensor is that the environment monitoring sensor includes liquid EC sensors, liquid PH sensors, soil EC sensors, soil humidity sensor, soil temperature sensor, air humidity sensor, intensity of illumination sensor, rainfall sensing Device, flowmeter, preceding pressure gauge and rear pressure gauge.
Wherein described processor be configured as based in the sensor indicator or the set point indicator at least One is changed the adaptive gain associated with the adaptive closed-loop-control algorithm, and the adaptive gain is described adaptive Answer is used to compensate at least one nonlinear characteristic associated with the valve in closed loop control algorithm.
Also include memory, the memory is configured as at least one described threshold value of storage, and the processor is configured For from least one threshold value described in the memory access.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.

Claims (10)

  1. The water-fertilizer integral algorithm and controller of closed-loop control can be realized 1. a kind of, it is a kind of to realize the liquid manure of closed-loop control Integrated Algorithm, including:
    Set point indicator is received, the set point indicator indicates fluid flow set point;
    The sensor indicator produced by sensor is received, the sensor indicator indicates the flow rate of the fluid;
    Bias adaptive closed-loop-control algorithm and associated parameter so that the adaptive closed-loop-control algorithm has slow mould Formula;
    Based at least one in the sensor indicator or the set point indicator, feedback filter is postponed slow mode Quick mode is modified to, the feedback filter is associated with the water-fertilizer integral algorithm of the closed-loop control, the closed loop control The water-fertilizer integral algorithm of system is associated with flow controller;
    The feedback filter is returned into the slow pattern from quick mode modification;And based on to the feedback filtering The modification of device changes the adjusting parameter associated with the adaptive closed-loop-control algorithm, when the feedback filter quilt During modification, change the adjusting parameter to stablize the adaptive closed-loop-control algorithm.
  2. 2. a kind of as claimed in claim 1 can realize the water-fertilizer integral algorithm of closed-loop control, it is characterised in that also include Adaptive gain is changed based at least one in the sensor indicator or the set point indicator, it is described adaptive Gain is non-linear for compensating at least one associated with the flow controller in the adaptive closed-loop-control algorithm Characteristic.
  3. 3. a kind of as claimed in claim 1 can realize the water-fertilizer integral algorithm of closed-loop control, it is characterised in that also include Adaptive gain is changed based at least one in the sensor indicator or the set point indicator, it is described adaptive Gain is non-linear for compensating at least one associated with the flow controller in the adaptive closed-loop-control algorithm Characteristic, the step of changing the adaptive gain includes:In response to the fluid flow rate by the flow controller change simultaneously And modified according to math equation.
  4. 4. a kind of as claimed in claim 1 can realize the water-fertilizer integral algorithm of closed-loop control, it is characterised in that wherein repair The step of changing the feedback filter includes:Changed by adjusting the time constant associated with the feedback filter and institute State the feedback filter associated response time.
  5. 5. a kind of the water-fertilizer integral algorithm of closed-loop control can be realized as claimed in claim 1, it is characterised in that wherein institute State at least one during adaptive closed-loop-control algorithm is controlled based on ratio control, integration control or differential.
  6. 6. a kind of the water-fertilizer integral algorithm of closed-loop control can be realized as claimed in claim 1, it is characterised in that wherein institute State adjusting parameter associated with the integral control portion of the adaptive closed-loop-control algorithm.
  7. 7. a kind of the water-fertilizer integral algorithm of closed-loop control can be realized as claimed in claim 1, it is characterised in that wherein institute It is at least one in flow sensor, timer, pressure sensor or temperature sensor to state sensor;
    The step of wherein changing the feedback filter includes:In response to the change of the fluid flow rate by the flow controller And modified according to math equation;
    The response time of the adaptive closed-loop-control algorithm is different when wherein described feedback filter is in the slow pattern The response time of the adaptive closed-loop-control algorithm when feedback filter is in the quick mode;
    The step of wherein changing the feedback filter includes:With reference to the sensor indicator or the set point indicator In at least one at least one associated threshold value modify.
  8. 8. a kind of as claimed in claim 1 can realize the water-fertilizer integral algorithm of closed-loop control, it is characterised in that wherein repair The step of changing the feedback filter includes:Change in response to the fluid flow rate by the flow controller and according to number Equation is learned little by little to change the feedback filter.
  9. 9. a kind of can realize the water-fertilizer integral algorithm and controller of closed-loop control, controller includes:
    Processor, is configured as biasing adaptive closed-loop-control algorithm and associated parameter causing the self-adapting closed loop control Algorithm processed have slow pattern and in based on the sensor indicator or set point indicator that are produced by sensor at least one It is individual when meeting at least one threshold value by the adaptive closed-loop-control algorithm from the slow schema modification to quick mode, it is described Processor by change the feedback filter associated with the adaptive closed-loop-control algorithm and with the self-adapting closed loop control The associated adjusting parameter of algorithm processed changes the adaptive closed-loop-control algorithm, and the processor will it is described adaptively Closed loop control algorithm modification returns to the slow pattern;And memory, it is configured as storage and the feedback filter and institute State at least one associated parameter in adjusting parameter, parameter described in the processor from the memory access.
  10. 10. controller as claimed in claim 9, it is characterised in that also including valve, the valve is configured to respond to control and referred to Indicating value and open and close, the control indicated value is produced based on the adaptive closed-loop-control algorithm by the processor;
    Wherein described sensor is that the environment monitoring sensor includes liquid EC sensors, liquid PH sensors, soil EC biographies Sensor, soil humidity sensor, soil temperature sensor, air humidity sensor, intensity of illumination sensor, rain sensor, Flowmeter, preceding pressure gauge and rear pressure gauge;
    Wherein described processor is configured as based at least one in the sensor indicator or the set point indicator To change the adaptive gain associated with the adaptive closed-loop-control algorithm, the adaptive gain is adaptively closed described It is used to compensate at least one nonlinear characteristic associated with the valve in ring control algolithm;
    Also include memory, the memory is configured as at least one described threshold value of storage, the processor be configured as from At least one threshold value described in the memory access.
CN201710045574.4A 2017-01-20 2017-01-20 It is a kind of to realize the water-fertilizer integral algorithm and controller of closed-loop control Pending CN107041282A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710045574.4A CN107041282A (en) 2017-01-20 2017-01-20 It is a kind of to realize the water-fertilizer integral algorithm and controller of closed-loop control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710045574.4A CN107041282A (en) 2017-01-20 2017-01-20 It is a kind of to realize the water-fertilizer integral algorithm and controller of closed-loop control

Publications (1)

Publication Number Publication Date
CN107041282A true CN107041282A (en) 2017-08-15

Family

ID=59543322

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710045574.4A Pending CN107041282A (en) 2017-01-20 2017-01-20 It is a kind of to realize the water-fertilizer integral algorithm and controller of closed-loop control

Country Status (1)

Country Link
CN (1) CN107041282A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107896949A (en) * 2017-11-20 2018-04-13 深圳春沐源控股有限公司 A kind of water and fertilizer irrigation autocontrol method and system
CN110122284A (en) * 2018-02-02 2019-08-16 京东方科技集团股份有限公司 Intelligent cultivation apparatus, method and system
TWI714381B (en) * 2019-12-04 2020-12-21 張耿赫 Automatic irrigation system and method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101454735A (en) * 2006-04-28 2009-06-10 先进能源工业公司 Adaptive response time closed loop control algorithm
CN103718728A (en) * 2013-12-20 2014-04-16 广西捷佳润农业科技有限公司 Water and fertilizer integrated precision management system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101454735A (en) * 2006-04-28 2009-06-10 先进能源工业公司 Adaptive response time closed loop control algorithm
CN103718728A (en) * 2013-12-20 2014-04-16 广西捷佳润农业科技有限公司 Water and fertilizer integrated precision management system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107896949A (en) * 2017-11-20 2018-04-13 深圳春沐源控股有限公司 A kind of water and fertilizer irrigation autocontrol method and system
CN110122284A (en) * 2018-02-02 2019-08-16 京东方科技集团股份有限公司 Intelligent cultivation apparatus, method and system
TWI714381B (en) * 2019-12-04 2020-12-21 張耿赫 Automatic irrigation system and method

Similar Documents

Publication Publication Date Title
Sushanth et al. IOT based smart agriculture system
CN104542197B (en) Wireless intelligent control system and method for alternative irrigating
US6895987B2 (en) Device that modifies irrigation schedules of existing irrigation controllers
Kansara et al. Sensor based automated irrigation system with IOT: A technical review
Lea-Cox et al. Advancing wireless sensor networks for irrigation management of ornamental crops: An overview
US8608404B2 (en) Smart sustainable agricultural/aquacultural system and methods
CN106358997A (en) Intelligent irrigation and fertilization system and intelligent irrigation and fertilization method based on cloud computation
CN105159220A (en) Warmhouse booth soilless culture intelligent monitor system based on The Internet of Things
CN104077725A (en) Potato planting Internet-of-things monitoring, control and information service cloud platform integrated system
CN201752202U (en) Automatic nutrient solution circulating system of miniature vegetable factory
CN105491168A (en) Application service platform standard embedded system based on agricultural Internet of Things
KR20160044841A (en) LED plant factory automation systems
CN204406180U (en) A kind of ecological agriculture supervising device based on Internet of Things
US20150164009A1 (en) System and method for garden monitoring and management
CN103918528A (en) Method and device for intelligently controlling precision irrigation and fertilization
US20010049563A1 (en) Irrigation management system
Prathyusha et al. Design of embedded systems for the automation of drip irrigation
CN104267699A (en) Agricultural greenhouse intelligent control device based on Internet of Things and working method thereof
CN204762615U (en) A humiture automatic control system for intelligence flowerpot that waters
CN104460582A (en) Fuzzy-control-based internet of things intelligent irrigation and fertilization control method and system
CN205052293U (en) Intelligent flowerpot
US20030109964A1 (en) Irrigation controller using regression model
CN205594695U (en) Agricultural intelligent application system based on thing networking
CN104062951A (en) Intelligent flowerpot based on wireless Internet of things
CN205028108U (en) Intelligence green house management system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination