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本文提出一种适于多水轮机系统的分散预测控制策略。分散控制结构能满足实际系统的物理要求,每一机组采用性能优良的水压转速联合预测控制器,并把因分散化所丢失的机组间的关联信息通过设计一扰动观测器加以补偿。通过对有水力联系的两水轮机组带孤立负荷时的仿真结果表明,这种分散预测控制器可使系统具有优良的动态响应过程。
This paper presents a decentralized predictive control strategy for multi-turbine systems. The decentralized control structure can meet the actual physical requirements of the system. Each unit adopts the joint pressure-speed predictive controller with excellent performance. Correlation information between units lost by decentralization is compensated by designing a disturbance observer. Simulation results show that the decentralized predictive controller can make the system have an excellent dynamic response process.