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The Study and Design of Feedback Control System of the Ash of Clean Coal of a New Discharging Machine On-line

Author: ZhuYuQin
Tutor: JiaChangLing
School: Anhui University of Technology
Course: Mineral Processing Engineering
Keywords: Jig New discharge device Fuzzy Control The ash back control system DK-YZ actuators
CLC: TD455.1
Type: Master's thesis
Year: 2005
Downloads: 52
Quote: 0
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Abstract


Jigger discharging system jigging it performance directly affects the quality and yield of the final product . Has an important impact in the process of jigging discharge its separation efficiency . The current nesting agencies is focus on the emissions of heavy product , ignore the emission of light product separation efficiency . My mentor light product emissions as a starting point , developed a new one with the sorting of the density fluctuations discharge device and done a lot of experiments to obtain the desired effect . But there is no independent supporting controlled device , the bed given values ??rely on manual fine-tuning control poor . There is no exact mathematical model between the the jigging mechanism hypothesis , washing efficiency and the quality of the material layer height and feng shui system is typical of the ever-changing , time-varying , nonlinear complex systems , control theory and methods it is difficult to this device be controlled effectively. In this study, fuzzy control technology and strong robustness advantages designed the ash back control system , including control loop based on the buoy automatic nesting and the basis concentrate ash deviation randomly determine bed given value of fine-tuning loop . The controller uses a fuzzy controller , actuator using PLC controllers , actuators , DK-YZ actuator . The experiments show that the implementation of clean coal ash online back control programs to improve the quality and yield of clean coal .

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CLC: > Industrial Technology > Mining Engineering > Mining machinery > Processing machinery > Gravity concentrator > Jig
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