CN103217905A - Facility agriculture greenhouse environment parameter self-adaptation controlling method - Google Patents

Facility agriculture greenhouse environment parameter self-adaptation controlling method Download PDF

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Publication number
CN103217905A
CN103217905A CN201310139932XA CN201310139932A CN103217905A CN 103217905 A CN103217905 A CN 103217905A CN 201310139932X A CN201310139932X A CN 201310139932XA CN 201310139932 A CN201310139932 A CN 201310139932A CN 103217905 A CN103217905 A CN 103217905A
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China
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control
greenhouse
value
information
adaptation
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CN201310139932XA
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Inventor
宋建成
秘立鹏
郑丽君
宋渊
刘媛
雷志鹏
温敏敏
王天水
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SHANXI TIME LIANCHUANG INDUSTRY TECHNOLOGY RESEARCH INSTITUTE Co Ltd
Taiyuan University of Technology
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SHANXI TIME LIANCHUANG INDUSTRY TECHNOLOGY RESEARCH INSTITUTE Co Ltd
Taiyuan University of Technology
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Priority to CN201310139932XA priority Critical patent/CN103217905A/en
Publication of CN103217905A publication Critical patent/CN103217905A/en
Pending legal-status Critical Current

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Abstract

The invention provides a facility agriculture greenhouse environment parameter self-adaptation controlling method. The facility agriculture greenhouse environment parameter self-adaptation controlling method includes the following steps of achieving self-adaptation control over greenhouse environment information parameters and auxiliary facilities by the adoption of a method of combining fuzzy control, a PID control and manual control and achieving automatic conversion of control modes based on greenhouse environment information at the same time based on a greenhouse environment self-adaptation data base, by the adoption of multilevel schema conversion control, and on the basis of set value control; gradually optimizing and perfecting the greenhouse environment self-adaptation data base according to greenhouse environment real-time information, invoking information in the data base by means of a priority level automatic identification function, and finishing self-tuning of set values; and setting intermediate values by the adoption of hysteresis control method and on the basis of the set value control in order to conduct optimizing adjustment. The facility agriculture greenhouse environment parameter self-adaptation controlling method achieves the self-adaptation control of the greenhouse environment parameters, reduces motion frequency of equipment, prolongs the service life of the equipment, improves a greenhouse management mode, improves labor productivity, and has strong practical value.

Description

A kind of industrialized agriculture warmhouse booth environmental parameter self-adaptation control method
Technical field
The present invention relates to the intelligence control method technical field, particularly a kind of industrialized agriculture warmhouse booth environmental parameter self-adaptation control method.
Background technology
The greenhouse is the important component part of industrialized agriculture, is to integrate application project equipment technology and Environmental Technology, carries out the modern agriculture mode of production of crop production, is one of priority project of China's agricultural development.Warmhouse booth can bring considerable economic, increases substantially land utilization ratio, labour productivity and product output capacity.In the agricultural plant planting process, the growth of greenhouse and plant, growth, energy exchange are closely related, carry out environment observing and controlling and be realizing hothouse production management automation, scientific assurance.By collection, processing and analysis to the detection data, in conjunction with the crop growth rule, the parameter that controls environment makes crop reach the purpose of high-quality, highly efficient and productive growth.The more loaded down with trivial details method of the many employings of environment control is in the past all carried out under the manual intervention situation, has expended a large amount of manpower and materials, and poor effect.Current, along with fast development of national economy, the agricultural industry scale constantly enlarges, and the kind that crops are cultivated in booth is more and more, and for a fairly large number of booth, the traditional environment control method obviously can not satisfy the growth requirement of industrialized agriculture.
At present, domesticly developed multiple greenhouse intelligent control method, as the control method that merges based on Crop Information, this method is under assessment indicator system, sets up the greenhouse intelligent control system, but needs to gather plant physiology information and growth information, the collection difficulty is big, is unfavorable for promoting; Shortcomings such as and for example segmentation control method, this method are to adopt the output of segmentation control strategy control system, but have poor anti jamming capability, and the equipment action is too frequent; Also some control method only limits to theoretical research as the control method based on the crop economy prediction, does not still have the actual motion of input.Each variable has big inertia and external environment condition to characteristics such as its disturbance are unpredictable in the warmhouse booth, and the warmhouse booth control system need constantly be learnt, optimize various parameters, so that various performance index reach optimum or near optimum.
Summary of the invention
The present invention is directed to the uncertainty of greenhouse system and external environment condition unpredictability to system disturbance, a kind of industrialized agriculture warmhouse booth environmental parameter self-adaptation control method is provided, reach the adaptive control effect by continuing to optimize of greenhouse parameter, thereby realize the plant growth demand is satisfied in the adaptive control of parameter such as warmhouse booth temperature, humidity, intensity of illumination, gas concentration lwevel and auxiliary equipment.
Technical scheme provided by the invention is: a kind of industrialized agriculture warmhouse booth environmental parameter self-adaptation control method, it is characterized in that: based on the greenhouse adaptive databases, adopt the multilevel mode conversion and control, on setting value control basis, adopt fuzzy control, PID control and manually control the adaptive control that the method that combines realizes warmhouse booth environmental information parameter and auxiliary equipment, according to greenhouse information, realize the automatic conversion of control mode simultaneously; And, progressively optimize the greenhouse adaptive databases according to the real-time information of greenhouse, and utilize the automatic recognition function of priority to call database information, finish setting value from adjusting; Add and adopt hysteresis control method thereof on setting value control basis, intermediate value to be set to be optimized adjusting.
The information that described greenhouse adaptive databases stores comprises main greenhouse information such as temporal information, envirment factor information, warning message, set point information, equipment action message, when set point information does not change, with the sky is unit, at regular intervals time automatic data collection and storage; When changing appearred in set point information, automatic data collection also stored.
According to greenhouse adaptive databases institute canned data parameter, set up greenhouse basic controlling model, and according to the characteristic relation extracting parameter characteristic quantity between the parameter, the greenhouse basic controlling model of foundation accurately is reflected in interior greenhouse of section and plant growth demand sometime; Greenhouse basic controlling model is further optimized in operational process, and characteristic parameter is perfect gradually.
When the actual value of greenhouse and the deviation between the setting value during greater than the setting value threshold value, adopt fuzzy control method, utilize fuzzy control rule to judge output; When the actual value of greenhouse and the deviation between the setting value are in the setting value threshold range, adopt pid control mode; When field apparatus maintenance or the action of pressure equipment, adopt manual control mode.
In the described Fuzzy Control Model, set up the fuzzy control subset rule, wherein the fuzzy domain of temperature and humidity is { honest, just little, moderate, negative little, negative big }, the fuzzy domain of illumination and carbon dioxide is { just little, moderate, negative little }, under different fuzzy rules, drive different topworkies.
Described hysteresis control method thereof is provided with intermediate value and realizes that wherein, the actual value of intermediate value and setting value, greenhouse relation is as follows on setting value control basis:
When The time, ,
When The time, ,
In the formula: Be intermediate value, Be user's setting value, Be the actual value of the greenhouse of sensor acquisition, Be intermediate variable, generally get <0.1, Value is more little, and actual value and intermediate value are approaching more, controls accurate more.
The invention has the advantages that: the self-adaptation control method that the present invention proposes, realized the control of greenhouse parameter adaptive, simultaneously satisfying the operating frequency that has reduced equipment under the prerequisite of control accuracy, improved the serviceable life of equipment, also effectively improved the greenhouse management pattern, improved labour productivity, energy-conserving and environment-protective have reached the purpose that improves the crops output capacity, respond well, have stronger practical value.
Description of drawings
Fig. 1 is a self-adaptation control method structural drawing of the present invention.
Embodiment
The present invention will be further described below in conjunction with drawings and Examples, and the present invention not only is confined to this.
As shown in Figure 1, self-adaptation control method of the present invention is based on the greenhouse adaptive databases, adopt the multilevel mode conversion and control, on setting value control basis, adopt fuzzy control, PID control and manually control the adaptive control that the method that combines realizes warmhouse booth environmental information parameter and auxiliary equipment, according to greenhouse information, realize the automatic conversion of control mode simultaneously; And, progressively optimize the greenhouse adaptive databases according to the real-time information of greenhouse, and utilize the automatic recognition function of priority to call database information, finish setting value from adjusting; Add and adopt hysteresis control method thereof on setting value control basis, intermediate value to be set to be optimized adjusting.
The information that greenhouse adaptive databases among the figure stores comprises main greenhouse information such as temporal information, envirment factor information, warning message, set point information, equipment action message, import corresponding setting value during concrete operations manually, comprise the threshold value of temporal information and humiture etc., when set point information does not change, with the sky is unit, time automatic data collection and storage were generally 30 minutes the interval time of adopting among the present invention at regular intervals; When changing appearred in set point information, automatic data collection also stored.
According to parameters such as the temporal information of gathering and being stored in the greenhouse adaptive databases, envirment factor information, set point information, equipment action message, warning messages, set up greenhouse basic controlling model, and the characteristic relation between the research parameter, extracting parameter characteristic quantity, the system model of foundation can accurately be reflected in interior greenhouse of section and plant growth demand sometime; According to the greenhouse demand, call the information of greenhouse adaptive databases, realize that setting value from adjusting, reaches the adaptive control requirement.
When the actual value of greenhouse and the deviation between the setting value during greater than the setting value threshold value, adopt fuzzy control method, utilize fuzzy control rule to judge output; When the actual value of greenhouse and the deviation between the setting value are in the setting value threshold range, adopt pid control mode; When field apparatus maintenance or the action of pressure equipment, adopt manual control mode, the hardware on the manual operation switch board is as universal seclector, button etc.
In Fuzzy Control Model, set up the fuzzy control subset rule, wherein the fuzzy domain of temperature and humidity is { honest, just little, moderate, negative little, negative big }, the fuzzy domain of illumination and carbon dioxide is { just little, moderate, negative little }, under different fuzzy rules, drive different topworkies.For example, when temperature is moderate in range of set value, when temperature is higher than 2 ℃ ~ 4 ℃ of setting values, be judged as just for a short time, open the circulation blower fan; When temperature is higher than 4 ℃ of setting values, be judged as honestly, open circulation blower fan and wet curtain blower fan.
Because each variable has big inertia and external environment condition to characteristics such as its disturbance are unpredictable in the warmhouse booth, causes the equipment action too frequent, descend to serviceable life.Therefore, adopt hysteresis control method thereof on setting value control basis intermediate value to be set and be optimized adjusting, wherein, the actual value of intermediate value and setting value, greenhouse relation is as follows:
When The time, ,
When The time, ,
In the formula: Be intermediate value, Be user's setting value, Be the actual value of the greenhouse of sensor acquisition, Be intermediate variable, generally get <0.1, Value is more little, and actual value and intermediate value are approaching more, controls accurate more.But cause the equipment action too frequent sometimes, can choose among the present invention =0.05, can satisfy under the control accuracy prerequisite, reduce the operating frequency of equipment.
Among the present invention along with the continuous operation of greenhouse system, greenhouse basic controlling model will further be optimized, characteristic parameter is also further perfect, can be according to on-the-spot greenhouse needs, automatically access information such as time and environmental threshold value from the greenhouse adaptive databases, no longer need to import manually the related setting value, thereby finish setting value from adjusting, reach the self-adaptation effect, have stronger auto-adaptive controling ability.

Claims (6)

1. industrialized agriculture warmhouse booth environmental parameter self-adaptation control method, it is characterized in that: based on the greenhouse adaptive databases, adopt the multilevel mode conversion and control, on setting value control basis, adopt fuzzy control, PID control and manually control the adaptive control that the method that combines realizes warmhouse booth environmental information parameter and auxiliary equipment, according to greenhouse information, realize the automatic conversion of control mode simultaneously; And, progressively optimize the greenhouse adaptive databases according to the real-time information of greenhouse, and utilize the automatic recognition function of priority to call database information, finish setting value from adjusting; Add and adopt hysteresis control method thereof on setting value control basis, intermediate value to be set to be optimized adjusting.
2. a kind of industrialized agriculture warmhouse booth environmental parameter self-adaptation control method according to claim 1, it is characterized in that: the information that described greenhouse adaptive databases stores comprises main greenhouse information such as temporal information, envirment factor information, warning message, set point information, equipment action message, when set point information does not change, with the sky is unit, at regular intervals time automatic data collection and storage; When changing appearred in set point information, automatic data collection also stored.
3. a kind of industrialized agriculture warmhouse booth environmental parameter self-adaptation control method according to claim 1 and 2, it is characterized in that: according to greenhouse adaptive databases institute canned data parameter, set up greenhouse basic controlling model, and according to the characteristic relation extracting parameter characteristic quantity between the parameter, the greenhouse basic controlling model of foundation accurately is reflected in interior greenhouse of section and plant growth demand sometime; Greenhouse basic controlling model is further optimized in operational process, and characteristic parameter is perfect gradually.
4. a kind of industrialized agriculture warmhouse booth environmental parameter self-adaptation control method according to claim 1, it is characterized in that: when the actual value of greenhouse and the deviation between the setting value during greater than the setting value threshold value, adopt fuzzy control method, utilize fuzzy control rule to judge output; When the actual value of greenhouse and the deviation between the setting value are in the setting value threshold range, adopt pid control mode; When field apparatus maintenance or the action of pressure equipment, adopt manual control mode.
5. according to claim 1 or 4 described a kind of industrialized agriculture warmhouse booth environmental parameter self-adaptation control methods, it is characterized in that: in the described Fuzzy Control Model, set up the fuzzy control subset rule, wherein the fuzzy domain of temperature and humidity is { honest, just little, moderate, negative little, negative big }, the fuzzy domain of illumination and carbon dioxide is { just little, moderate, negative little }, under different fuzzy rules, drive different topworkies.
6. a kind of industrialized agriculture warmhouse booth environmental parameter self-adaptation control method according to claim 1, it is characterized in that: described hysteresis control method thereof is provided with intermediate value and realizes on setting value control basis, wherein, the actual value of intermediate value and setting value, greenhouse relation is as follows:
When The time, ,
When The time, ,
In the formula: Be intermediate value, Be user's setting value, Be the actual value of the greenhouse of sensor acquisition, Be intermediate variable, generally get <0.1, Value is more little, and actual value and intermediate value are approaching more, controls accurate more.
CN201310139932XA 2013-04-22 2013-04-22 Facility agriculture greenhouse environment parameter self-adaptation controlling method Pending CN103217905A (en)

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CN104181811A (en) * 2014-09-10 2014-12-03 中国科学院上海高等研究院 Analog PID control system and method based on digital prediction algorithm
CN104731132A (en) * 2015-03-10 2015-06-24 山东科技大学 Ground temperature monitoring system and method of greenhouse based on wireless sensor and actuator network
CN104950948A (en) * 2015-05-21 2015-09-30 淮阴工学院 Intelligent cowshed temperature control system
CN105739553A (en) * 2016-05-04 2016-07-06 中国水稻研究所 Precisely-quantitative control system and method of dissolved oxygen in rice water culture experiment
CN106054988A (en) * 2016-07-01 2016-10-26 太原理工大学 Intelligent control method for air temperature and humidity of greenhouse in facility agriculture
CN106527310A (en) * 2016-10-31 2017-03-22 深圳前海弘稼科技有限公司 Automatic monitoring method and apparatus for agricultural crop greenhouse
CN106842914A (en) * 2016-12-12 2017-06-13 中国农业大学 A kind of temperature control energy-saving processing method, apparatus and system
CN107168066A (en) * 2017-06-23 2017-09-15 太原理工大学 A kind of greenhouse self-adaptation control method
CN108594697A (en) * 2018-03-13 2018-09-28 中国农业大学 Carbon dioxide fertilization control system and its control method in a kind of greenhouse

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CN104181811A (en) * 2014-09-10 2014-12-03 中国科学院上海高等研究院 Analog PID control system and method based on digital prediction algorithm
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CN104731132A (en) * 2015-03-10 2015-06-24 山东科技大学 Ground temperature monitoring system and method of greenhouse based on wireless sensor and actuator network
CN104950948A (en) * 2015-05-21 2015-09-30 淮阴工学院 Intelligent cowshed temperature control system
CN105739553A (en) * 2016-05-04 2016-07-06 中国水稻研究所 Precisely-quantitative control system and method of dissolved oxygen in rice water culture experiment
CN106054988A (en) * 2016-07-01 2016-10-26 太原理工大学 Intelligent control method for air temperature and humidity of greenhouse in facility agriculture
CN106527310A (en) * 2016-10-31 2017-03-22 深圳前海弘稼科技有限公司 Automatic monitoring method and apparatus for agricultural crop greenhouse
WO2018077102A1 (en) * 2016-10-31 2018-05-03 深圳前海弘稼科技有限公司 Automatic monitoring method and device for crop greenhouses
CN106842914A (en) * 2016-12-12 2017-06-13 中国农业大学 A kind of temperature control energy-saving processing method, apparatus and system
CN107168066A (en) * 2017-06-23 2017-09-15 太原理工大学 A kind of greenhouse self-adaptation control method
CN107168066B (en) * 2017-06-23 2020-04-28 太原理工大学 Greenhouse environment self-adaptive control method
CN108594697A (en) * 2018-03-13 2018-09-28 中国农业大学 Carbon dioxide fertilization control system and its control method in a kind of greenhouse

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Application publication date: 20130724