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Study on the Transformation of Hydraulic Universal Material Testing Machine Based on General Hardware Platform

Author: WuZhiWen
Tutor: YangChangQi
School: Chongqing University
Course: Engineering Mechanics
Keywords: Testing Machine Measurement and Control System PID control System control software
CLC: TH879
Type: Master's thesis
Year: 2011
Downloads: 29
Quote: 0
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Abstract


The progress of the study of the mechanical properties , mechanical properties of materials experiments proposed new requirements. GB/T228-2010 standards require testing machine must be closed-loop control , unable to meet the requirements of a large number of old-fashioned hydraulic testing machine . Numerous testing machine to use more rehabilitation programs designed controller module After transformation, the testing machine maintenance , upgrades , and software to expand the initiative all manufacturers control . With computer technology , control technology , and the development of sensor technology , common hardware platform is more powerful and convenient measurement equipment based on virtual instrument technology upgrade brings good feasibility . WE-60 -type universal testing machine for large quantities of equipment to explore the use of a common hardware platform constitutes a complete set of hydraulic universal testing machine computer automated measurement and control system , to achieve the modernization of the old test machine . After the transformation , the system is able to achieve closed-loop automatic control , automatic data processing , improve control and measurement accuracy to meet the requirements of the national standard . Based on a common hardware platform equipment modification technology not only can be used for other types of hydraulic testing machine , and also provide new ideas for the renovation and maintenance of similar equipment . WE-60 type 60 t universal testing machine structure works , especially loading system and measurement system analysis study based on the combination of the new national standards , and the monitoring and control of the WE-60 -type universal testing machine the transformation of the system the system hardware design , detailed research and selection system sensors and control valves , data acquisition systems , signal conditioning circuits and other hardware systems . Combined system control demand of the the related PID algorithm and its related classification , to explore the feasibility of a combination of fuzzy control , research , design the applications control scheme based on fuzzy PID control algorithm . Control system hardware design and system design , control system design and development software , can be achieved by the control software , real-time monitoring curve analysis , automation and control functions. Paper work for the old-fashioned testing machine automation of technological innovation, in order to adapt to the new era needs to provide a beneficial transformation experience .

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CLC: > Industrial Technology > Machinery and Instrument Industry > Instruments, meters > Material testing machine and test equipment > Integrated materials testing instruments
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