本文關(guān)鍵詞： 提升機 監(jiān)測系統(tǒng) 4G傳輸 可靠性 因子　出處：《太原理工大學(xué)》2017年碩士論文　論文類型：學(xué)位論文

【摘要】：礦井提升機作為煤礦生產(chǎn)的重要組成部分,對其安全性的監(jiān)測顯得尤為重要。而隨著機械制造技術(shù)精細化的發(fā)展模式,設(shè)備的常規(guī)監(jiān)測也受到人們的關(guān)注。目前越來越成熟的監(jiān)測手段無疑給提升機的數(shù)據(jù)監(jiān)測提供了技術(shù)支持。本文深入分析提升機的基本組成結(jié)構(gòu)、運行特點和常見故障形式,詳細研究了幾種重要參數(shù)的監(jiān)測原理并比較他們的不同,以便選擇適用的方法來進行測量計算。要建立一個完整的測量系統(tǒng),需從硬件、軟件、算法三方面入手。其中硬件是支撐,軟件是核心,而算法便是銜接這兩者很好的橋梁。首先硬件方面,主要包括傳感器選型、驅(qū)動板與ATK-SIM900A模塊集成以及與USR-LTE-7S4型4G無線終端匹配。在選型上應(yīng)充分考慮提升機的特點,此外還需考慮環(huán)境因素對傳感器的影響。對于USR-LTE-7S4型4G模塊則重點在其與ATK-SIM900A模塊的集成設(shè)計。主要設(shè)計內(nèi)容為:主控制器及管腳分配、STM32與ATK-SIM900A模塊通信電路設(shè)計、SDIO接口電路設(shè)計、然后是4G模塊協(xié)議配置。其次軟件方面,主要包括采集信號模塊、存儲數(shù)據(jù)功能模塊、信號分析處理模塊、查詢歷史數(shù)據(jù)模塊以及報警模塊等。應(yīng)用LabVIEW軟件的圖式化設(shè)計語言,方便操作者能盡快獲得監(jiān)測信息,且對機器的操作也將變得直觀明了。將虛擬儀器技術(shù)應(yīng)用到提升機的監(jiān)測并實現(xiàn)網(wǎng)絡(luò)數(shù)據(jù)實時傳輸,可以使提升機的運行更加安全可靠。最后是關(guān)于趨勢預(yù)測算法的研究,主要包括考慮相關(guān)性制動系統(tǒng)的研究與因子歸一兩部分的研究分析。本課題以故障相關(guān)為假設(shè),將影響提升機制動系統(tǒng)的潤滑系統(tǒng)與液壓站系統(tǒng)作為研究對象,借助相關(guān)系數(shù)來量化他們之間的影響作用,并建立制動系統(tǒng)的可靠度模型。應(yīng)用大量的數(shù)據(jù)驗證所建立模型的正確性,所得到的的可靠度函數(shù)與故障率函數(shù)可作為檢修時的參考;其次為了實現(xiàn)能提前預(yù)警的目標,研究嘗試應(yīng)用因子歸一來進行數(shù)據(jù)處理。該算法的優(yōu)點在于能將不同量綱、不同數(shù)量級別的數(shù)據(jù)在同一標準體系下分析它們對某一系統(tǒng)的影響作用。在采用不同的表達函數(shù)情況下可得出不同的因子:價值因子、預(yù)警因子。相應(yīng)的監(jiān)測參數(shù)會在超限前期出現(xiàn)高位集中或者低位集中,利用這種特點便可實現(xiàn)預(yù)警的目的。本監(jiān)測系統(tǒng)只對部分項目做出改進,在傳輸速率與穩(wěn)定性上4G傳輸模塊有一定的改進,實時性能得到較好的體現(xiàn)。相應(yīng)的信號分析與處理也做出相應(yīng)的改進,基本能實現(xiàn)實時監(jiān)測并做出反饋,從而達到預(yù)警的目的。
[Abstract]:Mine hoist as an important part of coal mine production, its safety monitoring is particularly important. At present, more and more mature monitoring means are undoubtedly providing technical support for the data monitoring of hoist. This paper deeply analyzes the basic structure of hoist. Operating characteristics and common fault forms, the monitoring principle of several important parameters is studied in detail and their differences are compared, in order to select the suitable method for measurement and calculation, a complete measurement system should be established. The hardware is the support, the software is the core, and the algorithm is a good bridge to connect the two. First of all, the hardware, mainly including sensor selection. The driver board is integrated with ATK-SIM900A module and matched with USR-LTE-7S4 4G wireless terminal. In addition, it is necessary to consider the influence of environmental factors on the sensor. For the USR-LTE-7S4 4G module, the emphasis is on the integration design with the ATK-SIM900A module. The main contents of the design are as follows:. Main controller and pin allocation. Design of communication circuit between STM32 and ATK-SIM900A module and design of SDIO interface circuit, then 4G module protocol configuration. Secondly, software, mainly including signal acquisition module. Storage data function module, signal analysis and processing module, query history data module and alarm module, etc. The schematic design language of LabVIEW software is used to facilitate the operator to obtain monitoring information as soon as possible. And the operation of the machine will become intuitionistic. The virtual instrument technology will be applied to the monitoring of hoist and the real-time transmission of network data will be realized. It can make the hoist run more safely and reliably. Finally, the trend prediction algorithm is studied. This paper takes the fault correlation as the hypothesis and takes the lubrication system and the hydraulic station system which affect the braking system of the hoist as the research object. The reliability model of braking system is established by quantifying the influence between them with the help of correlation coefficient, and the correctness of the model is verified by a large number of data. The reliability function and the failure rate function obtained can be used as reference for maintenance. Secondly, in order to achieve the goal of early warning, the paper tries to apply factor regression to data processing. The advantage of this algorithm is that it can measure different dimensions. Data of different quantity levels are analyzed under the same standard system. Different factors can be obtained by using different expression functions: value factors. Early warning factors. The corresponding monitoring parameters will appear high concentration or low concentration in the early stage of the limit, using this characteristic can achieve the purpose of early warning. This monitoring system only makes improvements to some items. In the transmission rate and stability of 4G transmission module has a certain improvement, real-time performance can be better reflected. The corresponding signal analysis and processing also make corresponding improvements, can basically achieve real-time monitoring and feedback. In order to achieve the purpose of early warning.
【學(xué)位授予單位】：太原理工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：TD633;TP274

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