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  本文選題：滾動軸承 + ZigBee�。� 參考：《浙江理工大學(xué)》2011年碩士論文

【摘要】：作為旋轉(zhuǎn)機械中應(yīng)用最為廣泛的零部件之一,軸承的運行狀態(tài)直接影響著整個系統(tǒng)的穩(wěn)定性。生產(chǎn)廠家對軸承的質(zhì)量檢測都比較重視,除了常規(guī)的生產(chǎn)過程質(zhì)量檢測外,有條件的地方還需要對軸承進行全設(shè)計壽命的運行試驗,本論文針對的就是這類試驗系統(tǒng)。與對滾動軸承運行狀態(tài)進行現(xiàn)場監(jiān)控報警的系統(tǒng)不同,本論文涉及到的滾動軸承疲勞壽命測試系統(tǒng),主要完成對滾動軸承從無損狀態(tài)一直運轉(zhuǎn)到損壞的整個試驗過程中振動和溫度的數(shù)據(jù)采集、傳輸,對數(shù)據(jù)進行分析,并提供在整個實驗周期內(nèi)所有采集點數(shù)據(jù)的數(shù)據(jù)、圖形與聲音的再現(xiàn)能力。 本論文中數(shù)據(jù)從試驗臺到監(jiān)控主機的傳輸采用Zigbee無線通訊方案實現(xiàn)。借用了其組網(wǎng)和網(wǎng)絡(luò)自愈機制,并在此基礎(chǔ)上完成數(shù)據(jù)校驗重傳、對象字典定義等軟件機制,簡化布線、新測試節(jié)點動態(tài)加入等工程應(yīng)用問題,增強了系統(tǒng)的靈活性。為每個試驗臺搭配了一塊基于ARM9的嵌入式終端來完成數(shù)據(jù)的收集、監(jiān)測、波形顯示和傳輸控制,終端LCD會實時更新顯示采集到的振動和溫度數(shù)據(jù),當(dāng)發(fā)現(xiàn)數(shù)據(jù)異常時,終端將輸出控制指令直接停止試驗,從而避免在長期的壽命周期實驗中人工安排的難題;終端將各自測試軸承的振動和溫度數(shù)據(jù)上傳到監(jiān)控主機,上位機程序?qū)邮盏降臄?shù)據(jù)進行波形顯示、FFT變換、存儲,并根據(jù)數(shù)據(jù)異常情況自動或手動下傳控制命令到終端來控制試驗進程。 在初步試驗中,本系統(tǒng)運行穩(wěn)定,在ZigBee協(xié)議棧及上層重傳機制的保障下,系統(tǒng)無線網(wǎng)絡(luò)能持續(xù)穩(wěn)定完成數(shù)據(jù)傳輸任務(wù),保證了采集終端與主控機的交互通訊。上位機程序提供了必要的交互界面,方便查看數(shù)據(jù)內(nèi)容以及對終端下傳控制指令。上位機程序能對被測軸承的整個壽命周期不同階段的數(shù)據(jù)實現(xiàn)分析和存儲以及振動聲音回放,為人工分析被測軸承的失效過程,以及可能的更深層次理論研究提供數(shù)據(jù)支持。
[Abstract]:As one of the most widely used parts in rotating machinery, the running state of bearings directly affects the stability of the whole system.The manufacturers pay more attention to the quality testing of bearings. Besides the conventional quality testing in the production process, there is also a need for the operation test of the full design life of the bearings in the conditional places. This paper aims at this kind of test system.Different from the field monitoring and alarm system for rolling bearing running state, this paper relates to the rolling bearing fatigue life test system.It mainly completes the data acquisition, transmission and analysis of the vibration and temperature of the rolling bearing during the whole test process from the lossless state to the damaged state, and provides the data of all the points collected during the whole experiment cycle.The ability to reproduce graphics and sounds.In this paper, the transmission of data from test bench to monitor host is realized by Zigbee wireless communication scheme.Based on the network and self-healing mechanism, software mechanisms such as data verification and retransmission, object dictionary definition, simple routing, dynamic addition of new test nodes, and other software mechanisms are used to enhance the flexibility of the system.An embedded terminal based on ARM9 is used for each test bed to complete data collection, monitoring, waveform display and transmission control. The terminal LCD will update and display the collected vibration and temperature data in real time.The terminal stops the test directly with the output control instruction, thus avoiding the problem of manual arrangement in the long life cycle experiment; the terminal uploads the vibration and temperature data of each test bearing to the monitor host.The upper computer program transforms and stores the received data by waveform display FFT, and automatically or manually transmits the control command to the terminal according to the abnormal situation of the data to control the test process.In the preliminary experiment, the system runs stably. Under the guarantee of the ZigBee protocol stack and the upper layer retransmission mechanism, the wireless network of the system can continuously and stably complete the task of data transmission, and ensure the interactive communication between the acquisition terminal and the master computer.PC program provides the necessary interactive interface, easy to view the data content and control instructions to the terminal down.The upper computer program can analyze and store the data in different stages of the whole life cycle of the tested bearing and playback the vibration and sound to provide data support for the manual analysis of the failure process of the tested bearing and the possible deeper theoretical research.
【學(xué)位授予單位】：浙江理工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2011
【分類號】：TH133.3;TP274.2

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