【摘要】：振動檢測分析儀是機械工業(yè)中最基礎、最常用的儀器之一，主要是用來判斷機械設備的運行狀況，廣泛應用煤礦和制造等行業(yè)。手持式振動檢測儀是小型化、便攜式的檢測儀，主要用于野外和現(xiàn)場測量，具有較高的性價比。而嵌入式系統(tǒng)作為軟硬件均可裁減的專用計算機系統(tǒng)，具有高性能、小型化、低功耗、低成本的特點，恰好能夠滿足手持式振動檢測儀的設計要求。 隨著機械工業(yè)的發(fā)展，人們對機械振動檢測儀的要求也越來越高，針對傳統(tǒng)的振動檢測儀實時性差，不便于攜帶，功耗大等缺點，本文提出一種基于Atom和ARM的振動檢測儀，是一種在線式實時檢測系統(tǒng)，具有實時性好，便于攜帶，功耗低等優(yōu)點，主要結構包括傳感器、ARM平臺和Atom510平臺。最新的ATOM平臺不但功耗低，并且可以與ARM平臺進行在線傳輸數(shù)據(jù)，，可實現(xiàn)遠程操控，并且系統(tǒng)可擴展性也較強，其結構為傳感器與ARM平臺相連，ARM平臺與Atom510平臺相連，傳感器將設備振動信號轉換成電信號，由ATOM平臺發(fā)送命令來控制ARM平臺上的A/D模塊對轉換過來的電信號進行采樣，并通過ARM處理器的控制傳輸?shù)紸tom510平臺，Atom510平臺對接收到的數(shù)據(jù)進行頻譜分析，并在圖形化界面上顯示。本系統(tǒng)采用最新的ATOM510平臺和ARM平臺，提高了運算性能，而且減小了功耗，并減小了占用體積便于攜帶，進一步在算法上也進行了改進，傳統(tǒng)的振動檢測儀大多使用FFT算法的計算量較大，影響了實時性，而本系統(tǒng)采用了滑動FFT算法來減少計算量，提高了實時性，并減少了占用系統(tǒng)的存儲空間。
[Abstract]:Vibration detection analyzer is one of the most basic and commonly used instruments in mechanical industry. It is mainly used to judge the operation of mechanical equipment and widely used in coal mines and manufacturing industries. Hand-held vibration detector is a miniaturized portable instrument mainly used in field and field measurement with high performance and price ratio. As a special computer system which can be reduced by both hardware and software, embedded system has the characteristics of high performance, miniaturization, low power consumption and low cost, which can meet the design requirements of hand-held vibration detector. With the development of mechanical industry, the requirement of mechanical vibration detector is more and more high. Aiming at the disadvantages of traditional vibration detector, such as poor real time, not easy to carry and large power consumption, this paper presents a vibration detector based on Atom and ARM. It is an on-line real-time detection system with the advantages of good real-time, easy to carry and low power consumption. The main structure includes sensors, ARM platform and Atom510 platform. The latest ATOM platform not only has low power consumption, but also can transmit data online with ARM platform. It can realize remote control, and the system is extensible. Its structure is that sensors are connected to ARM platform, ARM platform is connected to Atom510 platform. The sensor converts the vibration signal of the device into electric signal, and the command is sent by the ATOM platform to control the Ar / D module on the ARM platform to sample the converted electrical signal, and the signal is transmitted to the Atom510 platform through the control of the ARM processor. The Atom510 platform carries on the spectrum analysis to the received data, and displays on the graphical interface. The system adopts the latest ATOM510 platform and ARM platform to improve the computing performance, reduce the power consumption, and reduce the size of the portable space, and further improve the algorithm. Most of the traditional vibration detectors use the FFT algorithm, which has a large amount of calculation, which affects the real-time performance. This system uses the sliding FFT algorithm to reduce the amount of calculation, improve the real-time performance, and reduce the storage space of the system.
【學位授予單位】：哈爾濱工程大學
【學位級別】：碩士
【學位授予年份】：2012
【分類號】：TP216;TP368.1

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