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To solve the problem of the original investment hedge when the fieldbus control system (FCS) substitute the distributed control system (DCS), we design a low-power intelligent pressure transmitter which is compatible with analog signals and digital signals. The pressure transmitter is designed based on HART protocol and composed with MCU module, sensor module, HART communication module, LCD modules...
The problems of system stability and H2/H∞ control are discussed by convert the uncertainty of time delays to the uncertainty of system parameters, and the design of state feedback is developed, which is a good solution of the problem of asymptotic stability of closed-loop system. To guarantee robust stability of the system, transfer function Tωz in the closed system is not in excess of the common...
To improve the efficiency of automated storage and retrieval system, expert systems will be used in automated storage and retrieval system use management and job scheduling optimization. By analyzing the experience of experts in the field based on the knowledge base of production rules, the application of forward inference engine designed the flow of reasoning. The experimental results show that,...
A plan of adaptive Smith PID estimating pre-compensation control based on a routine Smith predictor is raised to focus on the pure time delay of the preheating water temperature control system and the changing properties of the controlled object in the chloroacetic acid crystallization process. The application proves that this method can well solve the delay of preheating water temperature control...
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