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Design and Simulation of Superheated Steam Temperature Control System Based on IMC-PID Cascade Control Algorithm

机译:基于IMC-PID级联控制算法的过热蒸汽温度控制系统的设计与仿真

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In view of the large inertia, large delay, time-varying and nonlinear characteristics of the superheated steam temperature of thermal power plants, the cascade control and internal model control are combined to form an IMC-PID cascade control system. The design steps and parameter calculation formulas are given. The IMC-PID cascade control algorithm is simulated for the superheated steam temperature control of a 300MW unit, and compared with the traditional cascade control algorithm. The results show that the IMC-PID cascade control algorithm is stable, accurate, rapid and robust. The anti-interference performance is better than the traditional cascade control algorithm, and the setting method is simple, which has good engineering practical value.
机译:鉴于大惯性,大延迟,时变和非线性的热电厂蒸汽温度的大延迟,时变和非线性特性,组合级联控制和内部模型控制以形成IMC-PID级联控制系统。 给出了设计步骤和参数计算公式。 模拟IMC-PID级联控制算法,用于300MW单元的过热蒸汽温度控制,并与传统的级联控制算法进行比较。 结果表明,IMC-PID级联控制算法稳定,准确,快速且稳健。 抗干扰性能优于传统的级联控制算法,设置方法简单,具有良好的工程实用价值。

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