CN106444925A - Livestock and poultry house environment monitoring system based on Internet of Things technology and working method thereof - Google Patents
Livestock and poultry house environment monitoring system based on Internet of Things technology and working method thereof Download PDFInfo
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- CN106444925A CN106444925A CN201610649992.XA CN201610649992A CN106444925A CN 106444925 A CN106444925 A CN 106444925A CN 201610649992 A CN201610649992 A CN 201610649992A CN 106444925 A CN106444925 A CN 106444925A
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- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
Abstract
The invention relates to a livestock and poultry house environment monitoring system based on the Internet of Things technology and a working method thereof. The system comprises a monitoring and executing module, a data transmission module, an upper computer monitoring platform 1 and a mobile terminal. The monitoring and executing module is arranged in a livestock and poultry house and comprises a monitoring module 6 and an executing module. The data transmission module is a ZigBee wireless sensing module. The upper computer monitoring platform 1 comprises a real-time display module, a data storage module, a control module and an alarm module. The working method of the system includes the steps of information acquisition, data fusion, fuzzy control and instruction output. An optimal weighted data fusion algorithm is adopted for the data fusion step. The system and the working method thereof have the advantages that the system is supported by the Internet of Things technology and the fuzzy control technology, a ZigBee wireless sensing network, a TCP/IP network and a mobile communication network are fully utilized, and the intelligent livestock and poultry house environment monitoring system is provided. The system achieves access of the mobile phone terminal to ZigBee network monitoring data through an SIM900A module and the upper computer monitoring platform 1.
Description
Technical field
The present invention relates to a kind of livestock and poultry cultivation technical field, particularly to a kind of poultry house environment based on technology of Internet of things
Monitoring system and its method of work.
Background technology
Promote the development of livestock and poultry cultivation industry using emerging technology of Internet of things and artificial intelligence technology, will be a prospect
Long-range engineering, is the important component part realizing IT application to agriculture.With livestock and poultry cultivation large-scale development, a livestock and poultry cultivation
Company may have some scattered plants at home or even abroad, manages for convenience, is necessary for, by means of the Internet, managing
Person only just can need to understand the working order of each plant or even certain environment conditioning equipment at any time by computer or mobile phone, and right
They carry out effective monitoring, and this is the development trend of poultry house environmental monitoring system, are also that the informationalized development in the world today becomes
Gesture.
The scale of China's livestock and poultry cultivation originates in the nineties in 20th century, starts late compared with developed countries, right
Although the research of poultry house environmental monitoring system achieves certain achievement, on market, ripe poultry house environmental monitoring product is also
Very rarely seen.Wang Lili et al. be directed to big-and-middle-sized poultry house environmental monitoring problems propose a kind of distributed, inexpensive and
Intelligentized pouity dwelling place environmental monitoring solution, research design surveys system based on the distributed pouity dwelling place environmental monitoring of RS-485 bus
System, this system with multiple multifunctional single-chip controller design monitoring nodes, and with personal computer as monitoring server, success
Achieve the real-time monitoring to temperature in poultry house and ammonia concentration, but due to being wired monitoring, it is complicated that this system has wiring
With problem difficult in maintenance.2013, Jilin Agriculture University's Zou Li Na completed poultry house environment using AT89S51 single-chip microcomputer
Wireless real-time monitoring, main monitoring humiture and 3 envirment factors of ammonia, and achieve automatization's control of environment conditioning equipment
System, but the remote monitoring of system unrealized poultry house environment.Practical range is less.2014, Zhejiang University Wu Wu person of outstanding talent's profit
Also it is successfully realized the monitor in real time of the poultry house main environment factor with single-chip microcomputer C8051F410+Si4432, and successfully will supervise
Survey data access Ethernet, be that remote monitoring lays the first stone.Research in terms of poultry house environmental monitoring system both at home and abroad at present
Mostly also rest in the range of LAN, and it is complicated, difficult in maintenance, the shortcomings of cannot realize remote monitoring to there is wiring.
The envirment factor of impact livestock birds health growth and production capacity is a lot, mainly comprises：Temperature, humidity, illumination also have ammonia
Concentration；Temperature is one of of paramount importance envirment factor in poultry house, and poultry are more sensitive to temperature；Examining for aquaculture cost
Consider, the cultivation density of general poultry house is larger, and the normal body temperature of the poultry that grow up is higher, and itself radiations heat energy is huge.In the summer
Season high temperature period, be difficult to control poultry house in preference temperature, easily cause poultry injures and deaths；Humidity is for the impact of adult poultry and poultry
The temperature related intimate of pouity dwelling place, in high temperature and low temperature, relative humidity is too high or too low, can to the healthy generation of poultry not
Profit impact；Ammonia is the main toxic gas of poultry house, and it decomposes generation by poultry house feces, when ammonia concentration is higher than necessarily dense
When spending, all kinds of respiratory tract diseases can be induced, also the healthy of staff can be damaged simultaneously.Temperature, humidity and ammonia
Gas coupling is stronger, is all to be controlled by by blower fan and wet curtain, blower fan can affect temperature, humidity and ammonia concentration, wet curtain
Temperature and humidity can be affected.In addition to above three envirment factor, illumination is also a more important envirment factor, illumination
Poultry can be made by force excessively changeable in mood and dysphoria, cause Carmibalism in Chicken, nervousness etc..The too low feed intake that can make poultry of illumination reduces
Thus affecting its production capacity and the speed of growth.But substantially unrelated between light intensity and humiture, ammonia concentration, blower fan, wet curtain, phase
To independence, only relevant with light intensity.Although there being a lot of correlational studyes both at home and abroad, also there is not the reason for above-mentioned envirment factor at present
Think monitoring system.
Content of the invention
The technical problem to be solved in the present invention is to provide one kind to be capable of poultry house temperature, humidity, illumination and ammonia dense
The wireless real-time acquisition of degree, and realize Automated condtrol and the remote monitoring of relevant environment adjusting device, it is finally reached and will raise
The pouity dwelling place main environment factor controls in optimum range, so that poultry house environment is remained relatively suitable, reduce livestock and poultry heat stress,
Reach the poultry house environmental monitoring system based on technology of Internet of things of purpose making livestock birds health growth and its method of work.
For solving above-mentioned technical problem, a kind of technical scheme of the present invention is：A kind of poultry house based on technology of Internet of things
Environmental monitoring system, its innovative point is：Including monitoring performing module, data transmission module, host computer monitoring platform and shifting
Dynamic terminal；
Described monitoring performing module is arranged in poultry house, including the monitoring modular of envirment factor in real-time monitoring poultry house
And improve the performing module of environment in poultry house；Described detection module includes temperature sensor, humidity sensor, ammonia sensing
Device and optical sensor, each of which have multiple, according to poultry house environmental monitoring require be arranged in poultry house, described execution
Module is wet curtain, blower fan and the daylight lamp being arranged in poultry house, and described wet curtain and blower fan set up separately in poultry house two ends end to end, day
Light lamp is evenly arranged in poultry house top；
Described data transmission module be arranged on monitoring performing module and host computer monitoring platform between for both
Information interaction ZigBee radio sensing network, including monitoring node, control node, routing node, coordinator node and outer
Enclose circuit；Described monitoring node is connected with monitoring modular, for gathering information；Described control node is connected with performing module, uses
In transmission of control signals；Described routing node is used for realizing the information collecting timely and effectively is forwarded, processes and analyzes；
Described coordinator node is the center of whole network；
The information that described host computer monitoring platform uploads to monitoring modular is analyzed, shows, stores and controls, and root
Issue control signal according to analysis result and control performing module, including real-time display module, data processing module, data storage mould
Block, control module and alarm module, described data processing module includes a fuzzy controller, the temperature collected by monitoring modular
Degree signal, moisture signal and ammonia concentration signal sequentially pass through obfuscation, fuzzy control rule reasoning, reverse in this controller
Gelatinizing, exports the exact value that can be executed by performing module；
Described mobile terminal is realized for poultry house by the ATK-SIM900A module being connected on host computer monitoring platform
The inquiry of real-time monitoring data and the warning to abnormal conditions in poultry house.
Further, described ZigBee radio sensing network main control chip is CC2530, and described peripheral circuit is chosen and is based on
The SZ2 module of CC2530 chip, described monitoring modular is connected in SZ2 module.
Further, it is connected with TCP/IP type net between described ZigBee radio sensing network and host computer monitoring platform
Close, be wirelessly connected between this gateway and ZigBee radio sensing network, support WiFi no and host computer monitoring platform between simultaneously
Line connects and RJ45 interface wired connection.
Further, described data memory module adopts Microsoft Access database purchase monitoring modular to upload
Abnormal data, described abnormal data is stored by the way of by species separate storage.
Further, the light intensity signal of described optical sensor collection utilizes threshold method pair in host computer monitoring platform
It is individually controlled.
Further, described control module includes automatic control mode and MANUAL CONTROL mode.
Another kind of technical scheme of the present invention is a kind of work of the poultry house environmental monitoring system based on technology of Internet of things
Method, its innovative point is：Comprise the following steps：
Step one：Information gathering：Temperature sensor, humidity sensor, ammonia gas sensor and optical sensor are according to certain
Frequency collection poultry house in temperature signal, moisture signal, ammonia concentration signal and light intensity signal, and wirelessly passed by ZigBee
Sense network is uploaded to host computer monitoring platform；
Step 2：Data fusion：For same envirment factor, it is distributed multiple same type sensors in poultry house, not
With position, real-time monitoring is carried out to the environmental data in house, the signal that same time same type sensor uploads in step (1)
It is the signal group being made up of more signal, this signal group is melted according to optimal weighting data in host computer data processing module first
Hop algorithm is processed, and finally draws an envirment factor estimated value, and it is right that all types of transducing signals are all converted into through this step
The envirment factor estimated value answered；
Step 3：Data Control：The fuzzy controller of pouity dwelling place environment adopts the multidimensional fuzzy control of three input dual outputs to calculate
Method, with temperature estimation value, humidity estimate value, ammonia concentration estimated value is input, is defeated with blower fan air output and wet curtain water yield
Go out；Fuzzy controller carries out Fuzzy processing to each envirment factor estimated value calculating in step (2), according to membership function
Calculate and be subordinate to angle value as input, then according to the fuzzy rule in fuzzy if-then rules table on its corresponding variable field
Determine output；Light intensity signal estimated value is individually controlled to it using threshold method in data processing module；
Step 4：Instruction output：To this fuzzy output amount anti fuzzy method in fuzzy controller, and by after anti fuzzy method
Exact value as controller output, i.e. blower fan air output and wet curtain water yield, and issued by ZigBee radio sensing network
To blower fan and wet curtain, control its work.
Further, the comprising the concrete steps that of excellent weighted fusion algorithm algorithm in described step 2：
(1) historical measurement data according to each monitoring node, calculates the side of n same type sensor in monitoring system
Difference is notSuppose that some monitoring moment needs the true value estimated is x simultaneously, and each monitoring node is at this
The measured value in one moment is x1,x2,…,xn, and each measured value is separate；
(2) by formulaFirst obtain
(3) willValue substitute into formulaDraw optimal weighted factor Wi；
(4) by formulaCalculate the calculation of i-th monitoring node measured value of certain moment
Art meansigma methodss
(5) had a direct impact by the size that the measurement variance that above step understands each monitoring node is weighted the factor,
The accuracy merging acquired results has substantial connection with it, calculated using true measurement measure variance and optimal weighting because
Son, each result of calculation is substituted into formulaIn can draw the estimated value after fusion
Further, in described step 3 fuzzy rule design process, comprise the steps, in following step, NB,
NS, ZO, PS and PB correspond to respectively negative big, negative little, zero, just little and honest：
(1) the aquaculture management experience according to poultry house staff, the excursion of input amount temperature T is determined
[T1, T2], its variable field is { t1, t2, t3, t4, T1<t1<t2<t3<t4<T2, corresponding variable language be NS, ZO, PS,
PB}；
(2) excursion of humidity H can determine in [H1, H2], its variable field is { h1, h2, h3, h4, h5, H1<h1
<h2<h3<h4<h5<H2, corresponding variable language is { NB, NS, ZO, PS, PB }；
(3) excursion of input quantity concentration of toxic gases N determines in [N1, N2], the variable field of concentration of toxic gases is
{n1, n2, n3, n4, n5}；N1<n1<n2<n3<n4<n5<N2, corresponding variable language is { NB, NS, ZO, PS, PB }；
(4) concrete condition according to poultry house, output blower fan air output F excursion is set to [1,5], its variable
Domain is { 1,2,3,4,5 }, and its corresponding variable language is { NB, NS, ZO, PS, PB }；Change by output wet curtain water yield W
Change scope and be set to [0,2], its variable field is { 0,1,2 }, corresponding variable language is { ZO, PS, PB }；
(5) managerial experiences for many years according to poultry house management personnel, set up fuzzy if-then rules table.
It is an advantage of the current invention that：
(1) this system is with technology of Internet of things and fuzzy control technology for supporting, make full use of ZigBee radio sensing network,
TCP/IP network and mobile communications network are it is proposed that a kind of intelligentized poultry house environmental monitoring system；System utilizes SIM900A
Module and host computer monitoring platform achieve the access for ZigBee-network monitoring data for the mobile phone terminal；Achieve poultry house ring
The remote monitoring in border；Based on the Sensor monitoring network of ZigBee wireless transmission protocol, solve existing poultry house environment artificial
The problems such as monitoring control lag, the wiring of cable environment monitoring system are complicated and difficult in maintenance；System run all right, reliability, reach
Design requirement.
(2) modernization poultry house is usually closing, and the growth of therefore general poultry has required rational light application time；
Under normal circumstances, indoor night intensity of illumination is in 0Lux, is likely to be breached more than 1000 daytime, but in general, fowl on daytime
In house, intensity of illumination is 300 about.For the control of illumination, the cooperation time is not only needed to be controlled by, simultaneously illumination to be relied on
Intensity does foundation.
(3) it is the versatility improving this monitoring system, monitoring system is to affect the grow up temperature of growth of animals or poultry, humidity, light
According to and 4 kinds of main environment factors of ammonia concentration be monitored object, the coupling between temperature, humidity and ammonia concentration three is relatively
By force, can be more representative and general by with blower fan and wet curtain for regulating and controlling main body, realizing the real-time monitoring of poultry environment of growing up
Property.
(4) for the ease of using ZigBee radio sensing network, system master chip selects CC2530 chip, and it can be used
Extremely low cost sets up powerful wireless sensor network；CC2530 is also equipped with different mode of operations simultaneously, and its work
Conversion time between operation mode is very short, can fully meet the requirement of system low-power consumption；In order to simplify design work, monitoring system
Have chosen the SZ2 module based on CC2530；This module is integrated with all the peripheral support circuit needed for CC2530, and draws
All I/O mouths of CC2530, power supply gets final product application, has significantly heightened the hardware development efficiency of CC2530.
(5) ZigBee radio sensing network use Z-stack agreement and host computer monitoring platform monitoring platform use
ICP/IP protocol is simultaneously incompatible, will realize the interconnection of data between two agreements it is necessary to turn TCP/IP gateway by ZigBee,
This gateway connects simply, easy to operate.
(6) for PC monitoring platform, if all stored for data each time, not only reduce program
Execution efficiency, also can waste the internal memory of computer.Poultry house environmental monitoring system has been realized in poultry house environment simultaneously
Real-time monitoring, comprehensive considerations above, monitoring system only stores the data that the sensor under abnormal conditions updates.So not only improve
The efficiency that program is run, and save the memory space of computer, have no effect on management personnel for abnormal conditions simultaneously
Analysis and research.Monitoring platform is stored to Monitoring Data using Microsoft Access data base, has speed soon, generation
The advantages of code amount is little, is one of currently used widest data base；Stored by the way of by species separate storage, side
Just inquire about and analyze.
(7) system can realize automatically controlling of poultry house environment conditioning equipment, and this process is interfered to user without user
Fully transparent.Non-follow control is primarily to tackle the function of special circumstances setting.As winter sweeps in dedusting, because temperature is relatively
Low, in order to ensure proper temperature in poultry house, in automatically controlling, blower fan does not typically allow to run, even if running, is also indivedual
The blower fan short time runs clean air.But during winter sweeps, a large amount of airborne dusts can be produced, make air in house more dirty,
If removing it is likely that animal and fowl fodder can be polluted not in time, the problems such as induction livestock and birds respiratory disease, so need to open compared with multi fan
Carry out rapid aeration, to reach the purpose of air in fast purification house；Two kinds of control functions of poultry house environment conditioning equipment can
Control item in the menu bar of host computer monitoring platform switches.
(8) data-handling capacity and the actual demand of current poultry house environment monitoring node are considered, mainly for poultry house
Interior multimetering, the credibility that in zones of different, the measurement difference between sensor of the same race causes is inconsistent, and the system is for same
The data fusion of one envirment factor selects optimal weighting data anastomosing algorithm, to draw the control algolithm input value of determination.
(9) present invention mainly have studied temperature, the impact to poultry house of humidity and ammonia concentration；The regulation and control simultaneously controlling set
For using blower fan and wet curtain, input value and output valve are all complex；Fuzzy control is because possess the essence not needing controlled device
Really mathematical model and using control law come the feature of descriptive system relationship between variables, simplify the complexity of system design, special
It is not applied to the complex control system of this input and output amount.
(10) substantially unrelated between illumination and humiture, ammonia concentration, blower fan, wet curtain, relatively independent, only have with light intensity
Close；For this in this fuzzy controller not using illumination as input quantity, using threshold method, it is individually controlled in systems,
Not only can energy saving, and control method is relatively simple.
Brief description
Fig. 1 is the system frame of a kind of poultry house environmental monitoring system based on technology of Internet of things of the present invention and its method of work
Frame figure.
Fig. 2 is the coordination section of a kind of poultry house environmental monitoring system based on technology of Internet of things of the present invention and its method of work
Point program flow diagram.
Fig. 3 be the present invention a kind of based on the poultry house environmental monitoring system of technology of Internet of things and its Fuzzy Control of method of work
Device processed constitutes block diagram.
Specific embodiment
China is world's Production of Livestock and Poultry and consumption the first big country, and the sound development of livestock and poultry cultivation is directly connected to the warp of China
Ji development and social stability.For stablizing meat product price and quality, quick effective control poultry epidemic situation, country supports to push away energetically
Dynamic livestock and poultry cultivation develops to scale, intensive direction.Related science research and production practices show：The quality of breeding environment is straight
Connect impact livestock birds health growth and product quality；Meanwhile, the effective monitoring of breeding environment is become preventing and treating livestock and poultry outburst and
One of important means propagated.
The present invention realizes the wireless real-time monitoring of poultry house environment and automatically controls as target, with technology of Internet of things as core
The heart, merges ZigBee technology, mobile network communication technology, Data fusion technique, fuzzy control technology etc., builds a maintenance side
Just, practical poultry house ambient intelligence monitoring system.
As shown in figure 1, the present invention is a kind of includes monitoring execution mould based on the poultry house environmental monitoring system of technology of Internet of things
Block, data transmission module, host computer monitoring platform 1 and mobile terminal 2；
Monitoring performing module be arranged in poultry house, including envirment factor in real-time monitoring poultry house monitoring modular 6 with
And improve the performing module 5 of environment in poultry house；For improving the versatility of this monitoring system, monitoring system is to affect growth of animals or poultry
4 kinds of main environment factors (temperature, humidity, illumination and concentration of toxic gases, because in poultry house, toxic gas are more, wherein
With ammonia for topmost gas, the present invention is using ammonia concentration as monitored object, more representative) it is monitored object, with wind
Machine, wet curtain and daylight lamp are regulation and control main body, realize the real-time monitoring of pouity dwelling place environment of growing up.Monitoring modular 6 includes sensor, sensing
Device includes Temperature Humidity Sensor corresponding to 4 kinds of main environment factors, optical sensor and ammonia gas sensor, and according to poultry house
Environmental monitoring requires to be arranged in pouity dwelling place, and performing module 5 is to be arranged on wet curtain in poultry house, blower fan and daylight lamp, wet curtain and
Blower fan sets up separately at poultry house two ends end to end, and daylight lamp is uniformly arranged in poultry house top.
Data transmission module be arranged on monitoring performing module and host computer monitoring platform 1 between the two
The ZigBee radio sensing network of information exchange, ZigBee technology is a kind of cheap, low-power consumption, the near radio of high reliability
Networking technology, including monitoring node, control node, routing node 4, coordinator node 3 and peripheral circuit；Monitoring node and monitoring mould
Block 6 is connected, for gathering information；Control node is connected with performing module 5, for transmission of control signals；Routing node has many
Individual, realize the information collecting timely and effectively is forwarded, processes and analyzes；Coordinator node has and only one of which, is responsible for initial
Change ZigBee-network information, set up and run whole ZigBee radio sensing network, add the node of network to divide for other requests
Distribution network address, is the center of whole network, and its control flow chart is as shown in Fig. 2 these functions are thing in Zigbee protocol
The function of reason layer, Medium Access Layer and Internet, in the present system, the information of all monitoring nodes all needs to be uploaded to host computer prison
Survey platform 1 monitoring platform, therefore coordinator, as the center of network, need to undertake this task, and this is the program of coordinator node
The place of most critical in exploitation, ZigBee radio sensing network main control chip is CC2530, and peripheral circuit is chosen and is based on CC2530
The SZ2 module of chip, monitoring modular 6 is connected in SZ2 module.
The Monitoring Data of ZigBee radio sensing network need to be uploaded to host computer monitoring platform 1 monitoring platform, but
The ICP/IP protocol of the Z-stack agreement of ZigBee-network use and the use of host computer monitoring platform 1 monitoring platform is simultaneously incompatible,
Realize the interconnection of data between two agreements it is necessary to turn TCP/IP gateway by ZigBee.Between this gateway and ZigBee
Can realize wirelessly connecting, support that between host computer monitoring platform 1 WiFi is wirelessly connected and RJ45 interface wired connection simultaneously,
Connect simple, easy to operate.
The information that host computer monitoring platform 1 uploads to monitoring modular 6 is analyzed, shows, stores and controls, including real
When display module, data memory module, control module and alarm module, control module controls performing module action；Achieve
The real-time display of Monitoring Data, the storage of Monitoring Data and inquiry, the automatic, Non-follow control of environment conditioning equipment and remote short messages
The function of reporting to the police.The display of Monitoring Data is the basic function of poultry house environmental monitoring platform although the renewal of sensing data
Frequency be 20 seconds, but because number of sensors is many, and each sensor data update separate and irregular follow,
Data in order to ensure sensor updates and can timely and effectively pass to poultry house management personnel, and also to ensureing poultry
House environment can be effectively accurately controlled, in the case of considering program operational efficiency, host computer monitoring platform 1
Sample frequency is 0.1 second.And control signal issued according to analysis result and controls performing module.
Next to that the query function of the storage of Monitoring Data and Historical Monitoring data.Because poultry house mostly is enclosed construction,
Poultry house environment conditioning equipment break down or powering-off state under, a few minutes just can cause irremediable massive losses.
Data for this environment monitoring sensor is updated to 20 seconds, and number of sensors is more, for host computer monitoring platform 1,
If all stored for data each time, not only reducing the execution efficiency of program, also can waste internal memory.Poultry simultaneously
House environmental monitoring system have been realized in poultry house environment real-time monitoring it is ensured that in most time poultry house environment fit
Preferably it is not necessary that storing all data that lower sensor updates.Comprehensive considerations above, monitoring system only stores under abnormal conditions
The data that sensor updates.So not only increase the efficiency of program operation, and save the memory space of computer, simultaneously
Have no effect on the analysis and research for abnormal conditions for the management personnel.Host computer monitoring platform 1 adopts Microsoft Access number
According to storehouse, Monitoring Data is stored.Access data base is one of Microsoft's Office system program, has speed soon, size of code
Little the advantages of, be one of currently used widest data base；For convenience of inquiring about and analyzing, using the side by species separate storage
Formula is stored.
The inquiry of Historical Monitoring data primarily to facilitating poultry house management personnel that conventional abnormal conditions are analyzed,
Enable poultry house management personnel that previous experiences are summarized and management perfection method.The inquiry of historical data is to Access number
Data according to storehouse is inquired about.In query function, arbitrary day data of any sensor can be inquired about, by the date
Control selectes the date, is selecting sensor to be checked, it is different in certain time period that click determination can inquire about this sensor
Regular data.
System realizes automatically controlling of poultry house environment conditioning equipment using FUZZY ALGORITHMS FOR CONTROL, and this process is done without user
Relate to fully transparent to user.Non-follow control is primarily to tackle the function of special circumstances setting.As winter sweeps in dedusting, because
Relatively low for temperature, in order to ensure proper temperature in poultry house, in automatically controlling, blower fan does not typically allow to run, even if running,
It is also indivedual blower fan short time to run clean air.But during winter sweeps, a large amount of airborne dusts can be produced, make in house air relatively
For dirt, if removing it is likely that animal and fowl fodder can be polluted not in time, the problems such as induction livestock and birds respiratory disease, so needing to open
Carry out rapid aeration compared with multi fan, to reach the purpose of air in fast purification house.Two kinds of controls of poultry house environment conditioning equipment
Function processed can switch in the control item in the menu bar of host computer monitoring platform 1；
Due to the environmental quality of poultry house closing, the measured value in same envirment factor zones of different in poultry house can go out
Now different degrees of difference although the measured value of each sensor truly reflects the value of the envirment factor of measured zone,
But when being controlled to poultry house environment conditioning equipment using control algolithm it is necessary to there be the input value of determination, thus with
It is necessary first to multisensor is carried out to multiple monitor values of same envirment factor before fuzzy control theory regulates and controls to environment
Data fusion, the system selects optimal weighting data anastomosing algorithm for the data fusion of same envirment factor.
As shown in figure 3, the present invention is using the method for fuzzy control, design of Fuzzy Controller process can be subdivided into three steps：
Obfuscation, fuzzy rule base, fuzzy reasoning and anti fuzzy method；The poultry house environmental Kuznets Curves fuzzy rule base of the present invention is mainly root
Managerial experiences for many years according to poultry house management personnel are formulated, and this is the most simple and effective fuzzy controller.Person in servitude using input quantity
The exact value that sensor records is tried to achieve after the fuzzy quantity of each input quantity by genus degree function, can be by inquiring about fuzzy control rule table
Mode, realize automatically controlling of poultry house environment.
Realize mobile phone remote by host computer monitoring platform 1 to report to the police, need the telephone network by mobile communication.Long-range report
Alert when focusing on poultry house abnormal conditions occurring, manager can be warned in time to take measures rapidly, it is to avoid loss, therefore
Report to the police it is necessary to have high reliability.2G network has bigger network coverage area and signal stabilization relative to 3G and 4G network at present
Property.For this system by the way of the warning of 2G mobile network short message.Using host computer monitoring platform 1 by serial ports and note
Alarm module is connected, and when abnormal conditions in Monitoring Data, generates in note on host computer monitoring platform 1 monitoring platform
Hold, alarming short message content reaches SMS module via serial ports by host computer monitoring platform 1 monitoring platform, and control SMS module to
The mobile phone of default poultry house management personnel sends warning message, makes a response rapidly in order to poultry house management personnel and dissolves
Crisis.SMS alarm and mobile terminal pass through ATK-SIM900A module in fact for the query function of poultry house real-time monitoring data
Existing.ATK-SIM900A module is a High performance industrial level GSM/GPRS module of ALIENTEK exploitation, using SMT encapsulation, base
In the design of STE single chip solution, using ARM926EJ-S framework, stable performance, powerful, it is very suitable for needing voice/short
The system development of letter/GPRS data service.Have in numerous directions such as vehicle-carried tracking, fleet management's intelligent meter data recording and power monitorings
Extensively apply.ATK-SIM900A module supports abundant AT command set, by RS232 interface and host computer monitoring platform 1 phase
Even, exploitation is simple, easy to use.
A kind of method of work of poultry house environmental monitoring system based on technology of Internet of things of the present invention, walks including following
Suddenly：
Step one：Information gathering：Temperature sensor, humidity sensor, ammonia gas sensor and optical sensor are according to certain
Frequency collection poultry house in temperature signal, moisture signal, ammonia concentration signal and light intensity signal, and wirelessly passed by ZigBee
Sense network is uploaded to host computer monitoring platform 1；
Step 2：Data fusion：For same envirment factor, it is distributed multiple same type sensors in poultry house, not
With position, real-time monitoring is carried out to the environmental data in house, the signal that same time same type sensor uploads in step (1)
It is the signal group being made up of more signal, this signal group is melted according to optimal weighting data in host computer data processing module first
Hop algorithm is processed, and finally draws an envirment factor estimated value, and it is right that all types of transducing signals are all converted into through this step
The envirment factor estimated value answered；
Step 3：Data Control：The fuzzy controller of pouity dwelling place environment adopts the multidimensional fuzzy control of three input dual outputs to calculate
Method, with temperature estimation value, humidity estimate value, ammonia concentration estimated value is input, is defeated with blower fan air output and wet curtain water yield
Go out；Fuzzy controller carries out Fuzzy processing to each envirment factor estimated value calculating in step (2), according to membership function
Calculate and be subordinate to angle value as input, then according to the fuzzy rule in fuzzy if-then rules table on its corresponding variable field
Determine output；Light intensity signal estimated value is individually controlled to it using threshold method in this step；
Step 4：Instruction output：To this fuzzy output amount anti fuzzy method in fuzzy controller, and by after anti fuzzy method
Exact value is as controller output, i.e. blower fan air output and wet curtain water yield, and is issued to by ZigBee radio sensing network
Blower fan and wet curtain, control its work.
In the present invention, in order to ensure the accuracy monitored, multisensor is employed simultaneously for each envirment factor
The method of monitoring.When being controlled to poultry house environment conditioning equipment, need using Data fusion technique, Monitoring Data to be entered
Row is processed, and to provide effective input quantity to control system.Fuzzy control is because possess the accurate mathematical not needing controlled device
Model and using control law come the feature of descriptive system relationship between variables, simplify the complexity of system design, particularly suitable
Control system in the system.
In this method of work, in step 2, excellent weighted fusion algorithm algorithm comprises the concrete steps that：
(1) historical measurement data according to each monitoring node, calculates the side of n same type sensor in monitoring system
Difference is notSuppose that some monitoring moment needs the true value estimated is x simultaneously, and each monitoring node is at this
The measured value in one moment is x1,x2,…,xn, and each measured value is separate；
(2) by formulaFirst obtain
(3) willValue substitute into formulaDraw optimal weighted factor Wi；
(4) by formulaCalculate the calculation of i-th monitoring node measured value of certain moment
Art meansigma methodss
(5) had a direct impact by the size that the measurement variance that above step understands each monitoring node is weighted the factor,
The accuracy merging acquired results has substantial connection with it, calculated using true measurement measure variance and optimal weighting because
Son, each result of calculation is substituted into formulaIn can draw the estimated value after fusion
Taking the data fusion of temperature sensor as a example, the interior for a period of time data recording such as table 1 institute of 3 temperature sensors
Show, wherein last group data is the real time data of current time poultry house temperature：
Table 1 temperature sensor data
It is respectively by the variance that data above can try to achieve 1,2,3 three sensors：0.062222、0.024722、
0.051389, can be calculated by formula (4-6), the weight coefficient of sensor 1,2,3 is respectively：0.211521、0.532369、
0.256110.
The real time temperature that thus can be determined that current poultry house is：
Wherein, each sensor weight coefficient for calculating, is the real time data of each Sensor monitoring.
In this method of work, in step 3, the design process of fuzzy rule, comprises the steps, in following step, NB,
NS, ZO, PS and PB correspond to respectively negative big, negative little, zero, just little and honest：
(1) the aquaculture management experience according to poultry house staff, the excursion of input amount temperature T is determined in [T1,
T2], its variable field is { t1, t2, t3, t4, T1<t1<t2<t3<t4<T2, corresponding variable language is { NS, ZO, PS, PB }；
(2) excursion of humidity H can determine in [H1, H2], its variable field is { h1, h2, h3, h4, h5, H1<h1
<h2<h3<h4<h5<H2, corresponding variable language is { NB, NS, ZO, PS, PB }；
(3) excursion of input quantity concentration of toxic gases N determines in [N1, N2], the variable field of concentration of toxic gases is
{n1, n2, n3, n4, n5}；N1<n1<n2<n3<n4<n5<N2Corresponding variable language is { NB, NS, ZO, PS, PB }；
(4) concrete condition according to poultry house, output blower fan air output F excursion is set to [1,5], its variable
Domain is { 1,2,3,4,5 } its corresponding variable language is { NB, NS, ZO, PS, PB }；Change by output wet curtain water yield W
Scope is set to [0,2], and its variable field is { 0,1,2 }, and corresponding variable language is { ZO, PS, PB }；
(5) managerial experiences for many years according to poultry house management personnel, set up fuzzy if-then rules table.
The pipe for many years mainly according to poultry house management personnel for the poultry house environmental Kuznets Curves fuzzy if-then rules table of the present invention
Reason experience is formulated, and this is the most simple and effective fuzzy controller.Essence sensor being recorded using the membership function of input quantity
After really value tries to achieve the fuzzy quantity of each input quantity, poultry house environment can be realized by way of inquiring about fuzzy control rule table
Automatically control.This fuzzy control rule table is by inputting the various combination warps after amount temperature, humidity and concentration of toxic gases obfuscation
Cross the output that fuzzy reasoning obtains controller under each assembled state, i.e. blower fan air output and wet curtain water yield.
By the experience of management personnel it is recognised that in all envirment factors of pouity dwelling place, the management of temperature is mostly important, when
Temperature is easiest to bring about great losses when deviateing preference temperature in the positive direction, at this moment needs to lower the temperature rapidly, except leading to greatest extent
Wind is outer to lower the temperature it is necessary to open wet curtain cooperation in the hope of rapid, and under forced ventilation, concentration of toxic gases also can reduce rapidly and reaches optimum
Level, but this situation can make pouity dwelling place interior humidity increase, but must sacrifice for effective control temperature averting a calamity property consequence
Regulation to humidity.Because this fuzzy controller has 3 input quantities and 2 outputs, temperature has 4 linguistic variables, humidity
Respectively have 5 fuzzy languages with concentration of toxic gases, all can obtain altogether 100 fuzzy rules, these fuzzy rules pass through
" If-Then " sentence is described as follows：
If (T=NS) and (H=NB) and (N=NB) Then (F=NB) and (W=ZO)；
If (T=NS) and (H=NB) and (N=NS) Then (F=NB) and (W=ZO)；
……
……
If (T=PB) and (H=PB) and (N=PS) Then (F=PB) and (W=PB)；
If (T=PB) and (H=PB) and (N=PB) Then (F=PB) and (W=PB)；
Because output has 3, therefore a point situation draws out following 4 fuzzy control tables on the basis of temperature T：
The fuzzy control table (T=NS) of table 2F/W
The fuzzy control table (T=ZO) of table 3F/W
The fuzzy control table (T=PS) of table 4F/W
The fuzzy control table (T=PB) of table 4-5F/W
By above fuzzy rule, fuzzy controller can export the fuzzy language with regard to controlled quentity controlled variable, and this can not use
In the opening and closing controlling blower fan and wet curtain, also need to a process that fuzzy language is converted into an exact value for this.
As it was noted above, having been presented for blower fan air output F and the respective domain of wet curtain water yield W, for blower fan air output F,
Its Fuzzy Linguistic Variable { NB, NS, ZO, PS, PB } corresponds to the exact value of { 1,2,3,4,5 } in its domain respectively, and in domain
Value then represents the blower fan number being currently needed for opening, equally, for wet curtain water yield W, its Fuzzy Linguistic Variable { ZO, PS, PB }
Correspond to the exact value of { 0,1,2 } in its domain, 0 expression wet curtain Close All, 1,2 number representing wet curtain unlatching respectively.
Thus just can achieve that the effective regulation for temperature T, humidity H and concentration of toxic gases N controls.
In addition to temperature, humidity, three main environment factors of ammonia concentration, illumination be also a more important environment because
Son, selects suitable illumination can not only improve the production capacity of poultry it is also possible to save electricity, reduces cost.
In the step 3 of this method of work, in production practices, because illumination is basic with temperature, humidity and ammonia concentration
Unrelated, for the needs controlling the poultry daily schedule, illumination just can be able to be controlled by daylight lamp opening/closing time.For this in mould
Fuzzy controllers not using illumination as input quantity, using threshold method, it is individually controlled in systems.
Ultimate principle and the principal character of the present invention have been shown and described above.It should be understood by those skilled in the art that,
The present invention is not restricted to the described embodiments, merely illustrating the principles of the invention described in above-described embodiment and description,
Without departing from the spirit and scope, the present invention also has various changes and modifications, and these changes and improvements all fall
Enter in scope of the claimed invention.Claimed scope is by appending claims and its equivalent thereof.
Claims (9)
1. a kind of poultry house environmental monitoring system based on technology of Internet of things it is characterised in that：Including monitoring performing module, data
Transport module, host computer monitoring platform and mobile terminal；
Described monitoring performing module be arranged in poultry house, the monitoring modular including envirment factor in real-time monitoring poultry house and
Improve the performing module of environment in poultry house；Described detection module include temperature sensor, humidity sensor, ammonia gas sensor and
Optical sensor, each of which have multiple, according to poultry house environmental monitoring require be arranged in poultry house, described performing module
For the wet curtain, blower fan and the daylight lamp that are arranged in poultry house, described wet curtain and blower fan set up separately in poultry house two ends end to end, daylight lamp
It is evenly arranged in poultry house top；
Described data transmission module be arranged on monitoring performing module and host computer monitoring platform between the two
The ZigBee radio sensing network of information exchange, including monitoring node, control node, routing node, coordinator node and periphery electricity
Road；Described monitoring node is connected with monitoring modular, for gathering information；Described control node is connected with performing module, for passing
Defeated control signal；Described routing node is used for realizing the information collecting timely and effectively is forwarded, processes and analyzes；Described association
Point of adjustment is the center of whole network；
The information that described host computer monitoring platform uploads to monitoring modular is analyzed, shows, stores and controls, and according to point
Analysis result issue control signal and control performing module, including real-time display module, data processing module, data memory module,
Control module and alarm module, described data processing module includes a fuzzy controller, the temperature collected by monitoring modular
Signal, moisture signal and ammonia concentration signal sequentially pass through obfuscation, fuzzy control rule reasoning, Anti-fuzzy in this controller
Change, export the exact value that can be executed by performing module；
Described mobile terminal is realized real-time for poultry house by the ATK-SIM900A module being connected on host computer monitoring platform
The inquiry of monitoring data and the warning to abnormal conditions in poultry house.
2. a kind of poultry house environmental monitoring system based on technology of Internet of things according to claim 1 it is characterised in that：Institute
Stating ZigBee radio sensing network main control chip is CC2530, and the SZ2 module based on CC2530 chip chosen by described peripheral circuit,
Described monitoring modular is connected in SZ2 module.
3. a kind of poultry house environmental monitoring system based on technology of Internet of things according to claim 1 it is characterised in that：Institute
State and between ZigBee radio sensing network and host computer monitoring platform, be connected with TCP/IP type gateway, this gateway is wireless with ZigBee
Wirelessly connect between sensing network, support that between host computer monitoring platform WiFi is wirelessly connected and the wired company of RJ45 interface simultaneously
Connect.
4. a kind of poultry house environmental monitoring system based on technology of Internet of things according to claim 1 it is characterised in that：Institute
State the abnormal data that data memory module adopts Microsoft Access database purchase monitoring modular to upload, described abnormal number
According to being stored by the way of by species separate storage.
5. a kind of poultry house environmental monitoring system based on technology of Internet of things according to claim 2 it is characterised in that：Institute
The light intensity signal stating optical sensor collection is individually controlled to it using threshold method in host computer monitoring platform.
6. a kind of poultry house environmental monitoring system based on technology of Internet of things according to claim 1 it is characterised in that：Institute
State control module and include automatic control mode and MANUAL CONTROL mode.
7. a kind of method of work of the poultry house environmental monitoring system based on technology of Internet of things it is characterised in that：Walk including following
Suddenly：
Step one：Information gathering：Temperature sensor, humidity sensor, ammonia gas sensor and optical sensor are according to certain frequency
Temperature signal in rate collection poultry house, moisture signal, ammonia concentration signal and light intensity signal, and by ZigBee wireless sense network
Network is uploaded to host computer monitoring platform；
Step 2：Data fusion：For same envirment factor, it is distributed multiple same type sensors in poultry house, in different positions
Put and real-time monitoring is carried out to the environmental data in house, the signal that same time same type sensor uploads in step (1) is served as reasons
The signal group of more signal composition, this signal group is calculated according to optimal weighting data fusion in host computer data processing module first
Method is processed, and finally draws an envirment factor estimated value, and all types of transducing signals are all converted into corresponding through this step
Envirment factor estimated value；
Step 3：Data Control：The fuzzy controller of pouity dwelling place environment adopts the multidimensional fuzzy control algorithm of three input dual outputs, with
Temperature estimation value, humidity estimate value, ammonia concentration estimated value is input, with blower fan air output and wet curtain water yield for output；Mould
Fuzzy controllers carry out Fuzzy processing to each envirment factor estimated value calculating in step (2), are calculated according to membership function
Go out and be subordinate to angle value as input on its corresponding variable field, then determined according to the fuzzy rule in fuzzy if-then rules table
Output；Light intensity signal estimated value is individually controlled to it using threshold method in data processing module；
Step 4：Instruction output：To this fuzzy output amount anti fuzzy method in fuzzy controller, and will be accurate after anti fuzzy method
Value is as controller output, i.e. blower fan air output and wet curtain water yield, and is issued to blower fan by ZigBee radio sensing network
And wet curtain, control its work.
8. the method for work of a kind of poultry house environmental monitoring system based on technology of Internet of things according to claim 7, its
It is characterised by：In described step 2, excellent weighted fusion algorithm algorithm comprises the concrete steps that：
(1) historical measurement data according to each monitoring node, the variance calculating n same type sensor in monitoring system is divided
It is notSuppose that some monitoring moment needs the true value estimated is x simultaneously, and each monitoring node is when this
The measured value carved is x1,x2,...,xn, and each measured value is separate；
(2) by formulaFirst obtain
(3) willValue substitute into formulaDraw optimal weighted factor Wi；
(4) by formulaCalculate the calculation merging moment each monitoring node measured value
Art meansigma methodss
(5) had a direct impact by the size that the measurement variance that above step understands each monitoring node is weighted the factor, merge
The accuracy of acquired results has substantial connection with it, calculates measurement variance and optimal weighted factor using true measurement,
Each result of calculation is substituted into formulaIn can draw the estimated value after fusion
9. the method for work of a kind of poultry house environmental monitoring system based on technology of Internet of things according to claim 7, its
It is characterised by：In described step 3, the design process of fuzzy rule, comprises the steps, in following step, NB, NS, ZO, PS and
PB correspond to respectively negative big, negative little, zero, just little and honest：
(1) the aquaculture management experience according to poultry house staff, the excursion of input amount temperature T is determined in [T1, T2],
Its variable field is { t1, t2, t3, t4, T1<t1<t2<t3<t4<T2, corresponding variable language is { NS, ZO, PS, PB }；
(2) excursion of humidity H can determine in [H1, H2], its variable field is { h1, h2, h3, h4, h5, H1<h1<h2<
h3<h4<h5<H2, corresponding variable language is { NB, NS, ZO, PS, PB }；
(3) excursion of input quantity concentration of toxic gases N determines in [N1, N2], the variable field of concentration of toxic gases is { n1,
n2, n3, n4, n5}；N1<n1<n2<n3<n4<n5<N2, corresponding variable language is { NB, NS, ZO, PS, PB }；
(4) concrete condition according to poultry house, output blower fan air output F excursion is set to [1,5], its variable field
For { 1,2,3,4,5 }, its corresponding variable language is { NB, NS, ZO, PS, PB }；Change model by output wet curtain water yield W
Enclose and be set to [0,2], its variable field is { 0,1,2 }, corresponding variable language is { ZO, PS, PB }；
(5) managerial experiences for many years according to poultry house management personnel, set up fuzzy if-then rules table.
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