發(fā)布時(shí)間：2019-02-23 16:59

【摘要】：隨著絲綢產(chǎn)品的流行,絲綢業(yè)的發(fā)展勢(shì)頭良好,養(yǎng)蠶為眾多企業(yè)和農(nóng)戶帶來(lái)可觀的收入�，F(xiàn)在,國(guó)內(nèi)的養(yǎng)蠶業(yè)已經(jīng)進(jìn)入社會(huì)化大生產(chǎn)階段,實(shí)行催青企業(yè)集中統(tǒng)一催青,待蠶種轉(zhuǎn)青后發(fā)給蠶農(nóng),蠶農(nóng)負(fù)責(zé)飼養(yǎng)桑蠶,待蠶化蛹后將繭賣(mài)給企業(yè),最后由企業(yè)負(fù)責(zé)再加工的商業(yè)模式。催青是桑蠶養(yǎng)殖的第一階段,其決定了蠶卵的活化率、齊整度,幼蠶的免疫力,以及蠶的發(fā)病率、成活率,因此,蠶種催青在整個(gè)養(yǎng)蠶周期中起著決定性的作用。蠶種催青時(shí),需要根據(jù)蠶種活化的程度、孵化齊整度、以及預(yù)期孵化結(jié)束時(shí)間,調(diào)控催青室內(nèi)的溫濕度狀態(tài),保證蠶卵能夠正�；罨�,在特殊情況下,需要人為地加速或者抑制蠶卵的活化進(jìn)度。針對(duì)蠶種催青工作,順應(yīng)企業(yè)用戶的應(yīng)用需求,本文設(shè)計(jì)了一款新型的蠶種催青測(cè)控系統(tǒng),其采用較新的硬件資源,以液晶屏為人機(jī)交互界面,具有遠(yuǎn)程監(jiān)控功能,使用模糊PID控制算法,其能夠達(dá)到用戶對(duì)溫濕度控制的精度要求,能夠有效地滿足蠶種催青工作的需求。本文主要針對(duì)蠶種催青測(cè)控系統(tǒng)進(jìn)行研究和設(shè)計(jì),研究?jī)?nèi)容包括:(1)確定系統(tǒng)方案:研究蠶種催青的工作流程,分析用戶的需求,分析原有測(cè)控系統(tǒng)的優(yōu)缺點(diǎn),確定系統(tǒng)的設(shè)計(jì)需求以及注意事項(xiàng)。按照對(duì)系統(tǒng)的分析,選取合適的資源,并構(gòu)造硬件系統(tǒng)。(2)選擇并設(shè)計(jì)控制算法:比較常用控制算法的優(yōu)缺點(diǎn),根據(jù)控制精度的要求,確定測(cè)控系統(tǒng)使用的控制算法。研究控制器的設(shè)計(jì)要點(diǎn)和注意事項(xiàng),設(shè)計(jì)并調(diào)試其性能。(3)系統(tǒng)的軟件設(shè)計(jì):在系統(tǒng)硬件平臺(tái)的基礎(chǔ)上,完成硬件資源底層驅(qū)動(dòng)和應(yīng)用功能的開(kāi)發(fā),使各硬件資源協(xié)同工作。軟件設(shè)計(jì)的工作可分為:傳感器數(shù)據(jù)的采集和處理、歷史數(shù)據(jù)的存儲(chǔ)與提取、與計(jì)算機(jī)的協(xié)同、人機(jī)交互界面的設(shè)計(jì)、控制算法的代碼實(shí)現(xiàn)。
[Abstract]:With the popularity of silk products, silk industry has a good development momentum, sericulture for many enterprises and farmers to bring considerable income. Now, the domestic sericulture industry has entered the stage of large-scale socialized production, and the enterprises that promote the green have centralized and unified efforts to promote the green. After the silkworm eggs are turned green, the silkworm farmers are issued to the silkworm farmers, who are responsible for raising mulberry silkworms and selling the cocoons to the enterprises after the silkworms are pupated. Finally, the enterprise is responsible for the business model of reprocessing. Promoting green is the first stage of silkworm breeding, which determines the activation rate, evenness degree, immunity of young silkworm, morbidity and survival rate of silkworm. Therefore, promoting green of silkworm seed plays a decisive role in the whole silkworm rearing cycle. In order to ensure normal activation of silkworm eggs, it is necessary to adjust and control the temperature and humidity in the room according to the degree of activation of silkworm eggs, the degree of uniformity of hatching, and the expected end time of hatching, so as to ensure the normal activation of silkworm eggs under special circumstances. The activation of silkworm eggs needs to be artificially accelerated or suppressed. In order to promote the development of silkworm eggs and comply with the application requirements of enterprise users, this paper designs a new type of monitoring and control system for silkworm eggs, which adopts new hardware resources and takes the LCD screen as the man-machine interface. It has the function of remote monitoring and control. The fuzzy PID control algorithm can meet the precision requirement of temperature and humidity control, and can effectively meet the requirements of silkworm eggs. The main contents of this paper are as follows: (1) to determine the project of the system: to study the workflow of silkworm breeding, to analyze the needs of users, and to analyze the advantages and disadvantages of the original measurement and control system. Determine system design requirements and considerations. According to the analysis of the system, select the appropriate resources, and construct the hardware system. (2) choose and design the control algorithm: compare the advantages and disadvantages of the common control algorithm, according to the requirements of the control accuracy, determine the control algorithm used in the measurement and control system. (3) Software design of the system: on the basis of the hardware platform of the system, the driver of hardware resources and the development of the application function are completed, and the main points of the controller design are studied, and the performance of the controller is designed and debugged. (3) Software design of the system. Make the hardware resources work together. Software design can be divided into: sensor data acquisition and processing, historical data storage and extraction, and computer cooperation, human-computer interface design, control algorithm code implementation.
【學(xué)位授予單位】：電子科技大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類(lèi)號(hào)】：TP274;S882

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本文編號(hào)：2429035