Fuzzy PID control system based on PLC lime rotary kiln

Fuzzy PID control system based on PLC lime rotary kiln xiao-hua wang yong-mei zhang welcome to e hall exhibition hall 3 PLC PLC programmable controller, PLC programming cable. 。 。 Pick to: through active lime rotary kiln production line of PLC technology analysis, the system hardware configuration, analysis and design of fuzzy PID controller, and presents the adaptive fuzzy inference and optimize design scheme of the implementation in PLC programming environment, after running effect is good. Keywords: PLC, the fuzzy PID, rotary kiln, pressure 1, said one of the active lime as raw materials for the steel key, the automatic control level and reliability of the lime kiln is directly related to the quality of active lime and energy consumption. According to actual condition, this system USES PLC controller control technology combined with the fuzzy PID control algorithm, and USES the fieldbus and industrial Ethernet technology to realize the active lime rotary kiln production process automation. 2, rotary kiln process and hardware configuration. 1 process description active lime rotary kiln production process is shown in figure 1, the main sintering raw limestone, vertical preheating using flue gas preheating, than calcining rotary kiln using coke oven gas and combustion air, the last process of finished product. Figure 1 rotary kiln process flow diagram 2. 2 hardware configuration of PLC control system for active lime production automation control system adopt schneider company Premium series PLC to control, the PLC control system incorporated two independent main frame and an I/O extension frame. A PLC control electrical system, main frame, another host rack and the I/O extension frame control thermal system. Man-machine interface using 3 on an industrial control computer. PLC and 2 stage using standard industrial Ethernet connection between a industrial computer. Including PLC electrical system, the switch quantity input channel number 96, occupies 83, standby input channel 13; Switch output channel number 64, take up 46, 18 spare output channel. Among them, the instrument system, PLC analog input to the total number of ports 80, take up the port 66, the standby port 14; Analog output four, four output port. On the basis of the electrical system, PLC and instrumentation system PLC configuration for ( Schneider) The Modicon PLC TSX Quantum is as follows: the host CPU for TSXP57303M ( 2) , switch module TSXDEY32D2K ( 3) 、TSXDSY32T2K( 2) , analog module TSXAEY810 ( 7) 、TSXAEY414( 6) TSXASY410 ( 1) , and equipped with power supply, network, such as extension module. 3, the fuzzy PID principle analysis and design of active lime rotary kiln combustion system to study the pressure as the object of coke oven gas, gas collector pressure fuzzy control structure is shown in figure 2. Gas collector pressure P is controlled, the opening of butterfly valve to control gas collector on the amount of control precision of 50 and 1 opa. The system provides a constant value control system. The pressure control system structure of the full text of figure 2, please see: lime rotary kiln of fuzzy PID control system based on PLC controller. pdf
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