The Cascade Three-Elements Fuzzy Auto-Adapted PID Control System for Boiler

Ming Liang Wu; Li Li Wei; Jian Kang Huang; Ming Yong Wu

doi:10.4028/www.scientific.net/AMR.139-141.1919

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Position and Attitude Control of Remote Ultrasonic Scanner Based on Sliding Mode Approach
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Development of Sheet Material Stamping Automatic Feeding and Pick-Up Device
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The Cascade Three-Elements Fuzzy Auto-Adapted PID Control System for Boiler
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Application of LQR Techniques to the Anti-Sway Controller of Overhead Crane
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The Cascade Three-Elements Fuzzy Auto-Adapted PID Control System for Boiler

Abstract:

Medium and Small boilers, which are widely used, are common power equipments in power plants, Smelters, and chemical plants, and important to the safety and production of enterprises. In this paper, the main factors affecting the changing industrial boiler water level have been analyzed, and relevant control theory been studied. A cascade three-impulse supply water Fuzzy-PID control system and the implement of Fuzzy-PID control formula based on IPC and PLC have been introduced .The results of the simulation indicated that the design can overcome the illusive water level and can improve the performance of the system obviously. The cascade three-element feedback control system using IPC and PLC as the center control unit, combining the fuzzy control with the conventional PID control, obtains both virtues of the high precision of PID and the flexibility and adaptability of the fuzzy control.