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Study on the State of Paver Monitoring System Based on CANBUS

Author: WuHaiFeng
Tutor: ZhangXinRong
School: Chang'an University
Course: Mechanical and Electronic Engineering
Keywords: Paver CAN USB LABVIEW Condition Monitoring
CLC: U415.521
Type: Master's thesis
Year: 2009
Downloads: 105
Quote: 4
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Abstract


Engineering machinery and equipment in the construction process, stable, safe and continuous operation of the equipment manufacturers and the construction unit common goal. Caused economic losses due to equipment downtime and equipment manufacturers and construction unit will is not a small number, so the equipment condition monitoring is particularly important as a prerequisite to predict failure, failure analysis and diagnosis. Modern machinery is moving in the direction of the large-scale and complex development, which necessarily requires the generation and development of advanced equipment condition monitoring program and technology. This article describes the current situation and prospects of the CAN bus technology in construction machinery and equipment, and focus on narrative CAN bus paver. Paver complexity of higher development cost, which includes many subsystems, coupled with the harsh construction environment factors can achieve real-time monitoring for timely detection of failure to avoid or shorten the downtime has important implications. Paver on a large number of sensors to the respective state of the system information transmitted to the main control in the controller via the display instruments in the cab to the display portion of the status information, under the emergency fault alarm, so the amount of information can not be fully The reaction device status information and failure prediction, it is necessary to master control of all state information through the CAN bus to the powerful virtual instrument up display. CAN-USB converter card to complete the CAN bus message transmission to a PC, and then through a virtual instrument (LABVIEW) technology to display various status information. The completion of the conversion and transmission of data one of the problems is the focus of this article. Communication and connection of the PC and external devices require driver support, USB interface with external hardware to communicate also need the appropriate driver, and the driver is closely related with the use of USB controller chip. Chosen USB control chip CH372 domestic Qinheng Electronics Co., Ltd. The company offers the CH372USB control chip and PC interface drivers and dynamic link library functions available to other software called the chip, so this study to complete the design task. The LABVIEW provide the dynamic link library function call node can complete the task of data transmission link library function call. Status display using the LABVIEW graphical features, the site of a variety of data can be done by a meter or digital controls.

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CLC: > Transportation > Road transport > Road works > Road construction > Construction machinery and equipment > Road construction machinery > Road paver , roller
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