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Research and Development on Measuring General Multi-parameter of the Pump Based on Microcomputer

Author: LiChangBing
Tutor: ZhangHui
School: Hefei University of Technology
Course: Precision instruments and machinery
Keywords: Pump test study Accuracy analysis Data processing Measurement automation
CLC: TP274
Type: Master's thesis
Year: 2002
Downloads: 204
Quote: 13
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Abstract


Research topics of the papers from a technological transformation project in Anhui Ryan electric pump Anhui Economic and Trade Commission, the project mainly Pump Performance testing of theoretical studies , error analysis and processing of the measured data , and to ensure that the test system to meet the state Class B accuracy requirements . Pump technology is a theoretical and semi-empirical test subjects , experimental research has an important position and role of the pump development . Authors see a large number of domestic and foreign literature , focused on the pump flow , head , shaft power , speed test principle and test method is proposed electrometric method and combination motor efficiency characteristic curve measuring the water pump shaft power , thus avoiding the loss . complex intermediate process in the law to meet the automated measurement requirements of the test device ; using magnetic flux leakage induction coil method to measure the motor speed to compensate for the limitations of the speed measurement methods of underwater motor test , adapt Ryan developed submersible pump actual needs. In the basis of the discussion , the authors designed a the peripheral measurement circuit SCM system as the core , to achieve real-time , accurate data acquisition for various types of sensor output signal . In addition , the authors also analyzed the accuracy of the pump test system , the main source of the measurement system error , select test instrument accuracy mathematical model is derived . Processing of the measured data , using a median filter with a quadratic curve fitting techniques from the software as much as possible to ensure the accuracy of the measured values ??. Through the work of this thesis , especially the shaft power , speed measurement methods , accuracy analysis and data processing, has practical significance for the future to improve the precision and degree of automation of the pump test system .

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Data processing, data processing system
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