Dissertation
Dissertation > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer software > Program design,software engineering > Software Engineering > Software Development

Research on Problems of Computer-Simulation-oriented Software Development

Author LiangChun
Tutor LiJingYi
School Nanjing University of Aeronautics and Astronautics
Course Mechanical Design and Theory
Keywords Active Magnetic Bearings DSP digital controller PID control F2812 Stable suspension
CLC TP311.52
Type Master's thesis
Year 2005
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This thesis adopts U.S. TI ( Texas Instruments ) C2000 Series products current fastest fixed-point DSP chip TMS320F2812 as the magnetic bearing system digital controller CPU applications analog multiplexer displacement sensor of magnetic bearing 5 Road signal acquisition . Prepared by mixing a magnetic bearing digital controller software in C and assembly language . Around the the F2812 DSP design the hardware circuit of the magnetic bearing controller , DSP 8-channel D / A operation CPLD logic control . In this paper, experimental study of the laboratory magnetic bearing system , PID control algorithm , the the four radial degree of freedom digital controller designed by this paper control , control of the axial degree of freedom by the analog controller . A displacement signal of the five degrees of freedom using the the 10 differential eddy current sensor to measure the power amplifier is used in the switching power amplifier . The controller of the application of this study to test rotor system static suspension and dynamic suspension , the maximum speed reached 15000r/min . Static and dynamic suspension test results show that the magnetic bearing system controller design , good stability, good reproducibility , and its control accuracy of the desired effect .

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