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Design and implementation of construction machinery Controller

Author: ZhangXiaoLei
Tutor: DuGuoPing
School: Nanjing University of Technology and Engineering
Course: Control Theory and Control Engineering
Keywords: Construction Machinery Controller CPLD CANopen Online upgrade
CLC: TP273
Type: Master's thesis
Year: 2012
Downloads: 112
Quote: 4
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Abstract


With the continuous development of National economy, the amount of infrastructure construction projects is constantly increasing, which led to the increasing demand for construction machinery. The total construction machinery in service in China has reached more than 300 million units, a huge market supply provides a strong support for the construction of infrastructure projects, which protect the continued prosperity of Chinese economic development.Construction machinery controller as the core of the control of construction machinery, collecting the sensor information in all parts of the body to get the working status of the vehicle, according to user’s operation to meet user expectations moving target through the internal control algorithms. Traditional controller just simply complete the appropriate action in accordance with the requirements of the user’s, unable to monitor the equipment operating status and alarm, the system flexibility is poor, and more difficult to maintain and upgrade, can no longer meet the demand of the control functions in the complex operating environment. In today’s market environment, the controller’s performance directly affects the performance of the construction machinery, which play a crucial role in enhancing the competitiveness of construction machinery.For traditional construction machinery controller can not meet the technical requirements, combined with the development of technology and demand for the existing construction machinery controller, the design of the new controller devices based on ARM microcontrollers and CAN bus technology. The controller based embedded system hardware platform, able to complete the acquisition and output signal of the digital, analog, pulse volume. The controller can communicate with other vehicle equipment through the CAN bus, and the CANopen protocol is successfully applied to the system, broadening the application side of the controller. Meanwhile, in order to solve the problem of construction machinery software maintenance and upgrades difficulties at the work site conditions, studies the online upgrade technology based on the serial port, which has brought great convenience to the system upgrade. This article combines the practical application, describes a realization method of the controller for construction machinery in detail.

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Automatic control,automatic control system
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