【摘要】：隨著我國社會經(jīng)濟水平的快速發(fā)展,國人的溫飽問題已基本解決。養(yǎng)生理念也就逐漸深入人心。現(xiàn)代養(yǎng)生理念倡導,一葷一素一菌,這儼然表明了菌類營養(yǎng)對我們的重要性。食用菌具有很好的保健功能,主要有抑制腫瘤活性、增加免疫力、降血脂,血糖等。食用菌越來越受到人們的喜愛和關(guān)注。我國對食用菌的需求量較大,然而目前我國的食用菌養(yǎng)殖普遍存在出菇率偏低,產(chǎn)量小等現(xiàn)象,因此食用菌的養(yǎng)殖迫切需要科學的養(yǎng)殖手段提高產(chǎn)量。食用菌種類繁多,每種食用菌對生長環(huán)境的需求不同,同一種食用菌在不同的生長時期也有不同的環(huán)境需求。這就需要我們根據(jù)不同菌類的生長環(huán)境采取相應的調(diào)控設(shè)置,使溫室大棚達到最適宜菌類生長的環(huán)境,使食用菌的產(chǎn)量達到最大化。影響食用菌生長的環(huán)境因子有溫度,濕度,CO2濃度,光照等,其中主要影響是溫度和濕度,溫度的變化會導致濕度的變化,同樣濕度的變化也會導致溫度的變化,兩者之間具有耦合關(guān)系,因此很難建立精確的數(shù)學模型。在本系統(tǒng)中引入了溫濕度模糊解耦的控制方法,通過對模糊解耦控制器的設(shè)計解決了溫濕度之間的耦合問題,使溫濕度的控制更加精確。本文設(shè)計了基于ZigBee無線網(wǎng)絡(luò)的監(jiān)控系統(tǒng),利用無線網(wǎng)絡(luò)傳感技術(shù)監(jiān)控食用菌溫室大棚內(nèi)的生長環(huán)境。終端節(jié)點負責采集環(huán)境參數(shù)并通過ZigBee網(wǎng)絡(luò)傳給協(xié)調(diào)器,協(xié)調(diào)器在將數(shù)據(jù)通過串口傳給上位機,上位機控制系統(tǒng)根據(jù)收集到的信息確定各調(diào)控設(shè)備的狀態(tài)及開啟的時間。溫室大棚使用的材料是塑料薄膜,若不加注意容易引發(fā)火災,造成嚴重損失。基于此本系統(tǒng)加入了MQ-2氣體傳感器,可對易燃氣體,煙霧等進行預警,對溫室大棚進行安全保護。本系統(tǒng)采用CC2530芯片,具有低功耗,可操作性強等優(yōu)點。傳統(tǒng)的有線傳輸數(shù)據(jù)布線麻煩,操作起來不方便。通過構(gòu)建ZigBee無線通信網(wǎng)絡(luò)傳輸可以很好解決上述問題,不僅可以快速準確的傳輸數(shù)據(jù),還可以建立節(jié)點網(wǎng)絡(luò),從而實現(xiàn)對整個溫室大棚的監(jiān)控與控制。
[Abstract]:With the rapid development of China's social and economic level, the problem of food and clothing has been basically solved. The idea of keeping in good health is gradually gaining ground in the hearts of the people. The modern concept of health promotion, one meat, one vegetable, one bacterium, which shows the importance of fungus nutrition to us. Edible fungi have good health care function, mainly inhibiting tumor activity, increasing immunity, lowering blood lipids, blood sugar and so on. Edible fungi are more and more popular and concerned by people. There is a great demand for edible fungi in our country. However, the mushroom production rate is on the low side and the yield is small in our country at present. Therefore, the cultivation of edible fungi urgently needs scientific cultivation methods to improve the yield. There are many kinds of edible fungi, each kind of edible fungus needs different growth environment, the same kind of edible fungus also has different environment demand in different growth period. Therefore, it is necessary for us to adopt corresponding regulation and setting according to the growth environment of different fungi, so that the greenhouse can reach the most suitable environment for the growth of fungi, and the yield of edible fungi will be maximized. The environmental factors that affect the growth of edible fungi are temperature, humidity, CO2 concentration, illumination and so on. The main effects are temperature and humidity. The change of temperature will lead to the change of humidity, and the change of humidity will also lead to the change of temperature. There is a coupling relationship between the two, so it is difficult to establish an accurate mathematical model. The fuzzy decoupling control method of temperature and humidity is introduced in this system. The coupling problem between temperature and humidity is solved by the design of fuzzy decoupling controller, which makes the control of temperature and humidity more accurate. The monitoring system based on ZigBee wireless network is designed in this paper. The growth environment of edible fungus greenhouse is monitored by wireless network sensing technology. The terminal node is responsible for collecting the environmental parameters and transmitting them to the coordinator through the ZigBee network. The coordinator transmits the data to the host computer through the serial port. According to the collected information, the control system of the upper computer determines the state and the time of opening of each control device. The material used in greenhouse is plastic film, which can easily cause fire and cause serious damage. Based on this system, MQ-2 gas sensor is added, which can warn flammable gas and smoke, and protect greenhouse safely. This system adopts CC2530 chip, which has the advantages of low power consumption and strong maneuverability. The traditional wired transmission data wiring is troublesome and inconvenient to operate. The above problems can be solved well by constructing ZigBee wireless communication network. Not only can the data be transmitted quickly and accurately, but also the node network can be set up, so that the whole greenhouse can be monitored and controlled.
【學位授予單位】：曲阜師范大學
【學位級別】：碩士
【學位授予年份】：2017
【分類號】：TP315;TN92

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