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Aluminum Cell Siphoning Aluminum Measurement and Monitor System Design

Author: ZhouLei
Tutor: FengXiaoJun
School: North China University of
Course: Control Theory and Control Engineering
Keywords: aluminum liquid siphoning task PLC self-adjust control
CLC: TP277
Type: Master's thesis
Year: 2010
Downloads: 62
Quote: 0
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Abstract


Aluminum liquid siphon is a very important operation in aluminum production. Accurate aluminum liquid siphon system of crane is easy to install and maintain, and can improve the accuracy of the aluminum liquid siphon, creating considerable economic benefit for the enterprise.Accurate aluminum liquid siphon system of crane consists of a PC, a field control cabinet and a remote control device. This paper analyses the composition and functions of the host computer system, the field control cabinet and the remote control device.This paper expounds the basic principles of wireless communications, expounds the relationship between the power of wireless signal received by the receiver and the power of wireless signal send by the transmitter, distance, wireless signal frequency, transmitter antenna gain and receiver antenna gain, introduces the impact on the power of wireless signal by the air and concrete walls. We determine the wireless communication program according to the field situation, and introduce the data transceiver and nRF2401.This paper discusses the design and implementation of the PLC control device; discusses the hardware design, the protocol design and the software design. This paper discusses the PLC how to respond the operational information, how to output the display information. This paper discusses how to debug the PLC program when the serial port is used in free port mode.This paper analyses the data processing method in the siphon control system. We find a data processing method to get the velocity and to filter the noise in the weight data. This paper introduces the method to calculate the advance to close the solenoid valve and the adjusted method to adjust the parameter in the method to calculate the advance.This paper recounts the problem encountered in field tests and the improvements needed by the system. Through statistical analyzing the siphon aluminum record, we find that this system can effectively control the precision

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Monitoring, alarm,fault diagnosis system
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