锅炉技术2026，Vol.57Issue(3)：8-14,29,8.
再热汽温喷水减温系统串级抗扰PID控制研究
Research on Cascade Disturbance Rejection PID Control Strategy for Reheat Steam Temperature Spraying Water System
摘要
Abstract
A predictive cascade control scheme and an integral-enhanced disturbance rejection PID(DR-PID)control strategy is proposed for the high-order and large-delay characteristics of the reheated steam temperature spraying water process,to achieve cascade disturbance re-jection control of reheated steam temperature under various load condition.Initially,accord-ing to the operational dynamics of the water spraying and cooling process,the cascade control characteristics of the leading and inert zones are analyzed.Subsequently,a cascade control scheme with process state predictive compensation is developed.The predictive compensator is a phase lead term to reduce the phase deviation of the nominal model,providing phase syn-chronized state for inner loop feedback.To deal with the oscillation and overshoot caused by large delay,an integral-enhanced DR-PID control strategy is investigated,which significantly enhances the system's control performance by improving the low-frequency lag characteristics of the integrator.Simulation results demonstrate that the proposed control strategies exhibit excellent disturbance rejection performance and good robustness,fulfilling the requirements of reheated steam temperature control under different load conditions.关键词
再热汽温过程/抗扰PID/串级控制/积分增强Key words
reheated steam temperature/DR-PID/cascade control/integral enhance-ment分类
能源科技引用本文复制引用
陈国宝,易秉恒,陈刚,聂卓赟..再热汽温喷水减温系统串级抗扰PID控制研究[J].锅炉技术,2026,57(3):8-14,29,8.基金项目
国家自然科学基金青年基金(61403149) （61403149）
福建省自然科学基金面上项目(2023J01110) （2023J01110）
