【摘要】：主通風(fēng)機(jī)擔(dān)負(fù)著向井下輸送新鮮空氣，稀釋、排出危險(xiǎn)氣體的重任，從而對(duì)保證煤礦安全生產(chǎn)有著重要作用。當(dāng)前煤礦對(duì)主通風(fēng)機(jī)系統(tǒng)的監(jiān)控大多數(shù)處于“監(jiān)而不控”的狀態(tài)，同時(shí)由于主通風(fēng)機(jī)系統(tǒng)有大量的分散設(shè)備，在緊急情況下很難及時(shí)啟動(dòng)備用風(fēng)機(jī)。并且當(dāng)通風(fēng)機(jī)電機(jī)啟動(dòng)的過(guò)程中，往往伴隨著沖擊電流，這將影響整個(gè)系統(tǒng)的安全運(yùn)行。為了解決以上問(wèn)題，論文基于PLC控制器，開(kāi)發(fā)了一套高可靠性的風(fēng)機(jī)集中監(jiān)控系統(tǒng)，并同時(shí)基于模糊理論，提出了誤差分級(jí)變論域模糊控制在異步電動(dòng)機(jī)軟啟動(dòng)的應(yīng)用。 通過(guò)對(duì)主通風(fēng)機(jī)系統(tǒng)工作流程和外圍設(shè)備功能特點(diǎn)的分析，確立了監(jiān)控系統(tǒng)要完成的監(jiān)控任務(wù)，在此基礎(chǔ)上根據(jù)各監(jiān)控點(diǎn)的數(shù)據(jù)特點(diǎn)，完成了監(jiān)控系統(tǒng)的硬件選型、各分散設(shè)備監(jiān)控點(diǎn)的電路設(shè)計(jì)、分散設(shè)備與監(jiān)控柜的數(shù)據(jù)連接以及監(jiān)控柜的功能和供電設(shè)計(jì)，成功構(gòu)建了PLC集中監(jiān)控系統(tǒng)的整個(gè)硬件平臺(tái)。在STEP7軟件平臺(tái)上，根據(jù)設(shè)計(jì)好的工作流程，組建了PLC和STEP7的通訊網(wǎng)絡(luò)，然后根據(jù)分散設(shè)備的工作原理和電路設(shè)計(jì)分別開(kāi)發(fā)了潤(rùn)滑油站、風(fēng)門、高壓開(kāi)關(guān)柜、軟啟動(dòng)柜等設(shè)備的監(jiān)控程序，同時(shí)利用這些分散設(shè)備之間的邏輯互鎖關(guān)系，完成了整個(gè)項(xiàng)目的PLC下位機(jī)監(jiān)控程序的開(kāi)發(fā)；在WINCC軟件平臺(tái)上，通過(guò)建立STEP7和WINCC的變量傳輸通道，以及對(duì)輸入變量進(jìn)行數(shù)據(jù)處理，分別開(kāi)發(fā)了上位機(jī)主監(jiān)控程序、各設(shè)備監(jiān)控程序以及報(bào)警程序，完成了上位機(jī)WINCC監(jiān)控程序的開(kāi)發(fā)，實(shí)現(xiàn)了管理人員和操作系統(tǒng)的人機(jī)對(duì)話。 針對(duì)通風(fēng)機(jī)電機(jī)傳統(tǒng)啟動(dòng)方式存在的沖擊電流問(wèn)題，基于變論域模糊理論，提出了一種誤差分級(jí)變論域模糊控制方案，，由該控制方案建立了電機(jī)啟動(dòng)模型，通過(guò)設(shè)計(jì)模糊控制模塊、誤差分級(jí)選擇模塊和脈沖調(diào)壓模塊，在Simulink平臺(tái)上構(gòu)建了基于誤差分級(jí)變論域模糊控制電機(jī)軟啟動(dòng)的整體仿真系統(tǒng)，仿真實(shí)驗(yàn)的結(jié)果表明：該方法對(duì)減少?zèng)_擊電流有顯著作用，并且其控制時(shí)間和控制穩(wěn)定性優(yōu)于一般模糊控制，適合于通風(fēng)機(jī)電機(jī)的控制需求。
[Abstract]:The main ventilator is responsible for conveying fresh air, diluting and discharging dangerous gas to the mine, which plays an important role in ensuring the safe production of coal mine. At present, the monitoring of main ventilator system in coal mine is mostly in the state of "supervision but not control". At the same time, it is difficult to start the standby fan in time because of the large number of dispersing equipments in the main fan system. And when the fan motor starts, it is often accompanied by impulse current, which will affect the safe operation of the whole system. In order to solve the above problems, based on the PLC controller, a set of high reliability fan centralized monitoring system is developed in this paper. At the same time, based on the fuzzy theory, the application of error grading variable field fuzzy control in the soft start of asynchronous motor is proposed. Based on the analysis of the work flow of the main fan system and the functional characteristics of the peripheral equipment, the monitoring task to be completed by the monitoring system is established. On this basis, according to the data characteristics of the monitoring points, the hardware selection of the monitoring system is completed. The whole hardware platform of PLC centralized monitoring system is successfully constructed by the circuit design of the monitoring points of the distributed equipment, the data connection between the dispersed equipment and the monitoring cabinet, the function and power supply design of the monitoring cabinet. On the STEP7 software platform, according to the designed workflow, the communication network of PLC and STEP7 is set up, and then the lubricating oil station, the air valve and the high pressure switchgear are developed according to the working principle and circuit design of the dispersed equipment. At the same time, by using the logic interlocking relationship between these distributed devices, the PLC monitor program of the whole project is developed, and the variable transmission channel between STEP7 and WINCC is established on the WINCC software platform. And the data processing of input variables, the development of host monitor program, equipment monitoring program and alarm program, the development of upper computer WINCC monitoring program is completed, and the man-machine dialogue between manager and operating system is realized. In view of the impact current problem existing in the traditional starting mode of fan motor, based on the fuzzy theory of variable field, a fuzzy control scheme of error graded variable field is proposed, and the starting model of motor is established by the control scheme. By designing fuzzy control module, error grading selection module and pulse voltage regulating module, the whole simulation system of fuzzy control motor soft start based on error grade variable theory field is constructed on Simulink platform. The simulation results show that this method has a remarkable effect on reducing impulse current, and its control time and control stability are better than that of general fuzzy control, which is suitable for the control requirements of ventilator motor.
【學(xué)位授予單位】：北京工業(yè)大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：TD724

【參考文獻(xiàn)】

相關(guān)期刊論文 前10條

1 張斌;尚剛;歐英;劉志星;;高壓交流感應(yīng)電機(jī)軟啟動(dòng)技術(shù)的發(fā)展[J];變流技術(shù)與電力牽引;2006年02期

2 何雪松,王旭永,馮正進(jìn),章志新,楊欽廉;Nonlinear Modeling of a High Precision Servo Injection Molding Machine Including Novel Molding Approach[J];Journal of DongHua University;2003年04期

3 樊立萍;張亮;;異步電動(dòng)機(jī)的模糊軟起動(dòng)仿真[J];電力系統(tǒng)及其自動(dòng)化學(xué)報(bào);2011年03期

4 高越農(nóng);電動(dòng)機(jī)軟起動(dòng)學(xué)科[J];電氣傳動(dòng)自動(dòng)化;2005年01期

5 李洪興;變論域自適應(yīng)模糊控制器[J];中國(guó)科學(xué)E輯:技術(shù)科學(xué);1999年01期

6 朱巖,郭軍平;變論域自適應(yīng)模糊PID方法的研究與仿真[J];空軍工程大學(xué)學(xué)報(bào)(自然科學(xué)版);2005年05期

7 陳文實(shí),許立民;UPS電源現(xiàn)狀及發(fā)展方向[J];遼寧工學(xué)院學(xué)報(bào);2002年04期

8 嚴(yán)儉祝,左樹(shù)勛,趙向東,趙彬;新技術(shù)在礦井主要通風(fēng)機(jī)裝置檢測(cè)中的應(yīng)用[J];煤礦機(jī)械;2002年07期

9 軒詩(shī)平;國(guó)外礦用風(fēng)機(jī)發(fā)展趨勢(shì)[J];煤炭技術(shù);2003年07期

10 譚兵文;李春文;;幾種變論域伸縮因子選擇方法的比較研究[J];科學(xué)技術(shù)與工程;2013年04期

本文編號(hào)：2150513