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Chapter 16 MIMO Model Predictive Control for Integral Gas Engines

机译:第16章整体燃气发动机的MIMO模型预测控制

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The legal requirement of NO_X emission reduction from legacy gas engines used in compressor stations asks for an improved engine control. A gas engine is a MIMO system with strong coupling, the inputs and outputs being limited by physical constraints and customer requirements. The engines drive compressors that change the load at time instants known in advance and the load change pattern can be modeled. A MIMO online linear model predictive controller (MPC) with the objective of keeping the fuel/air ratio and the engine speed constant was applied and compared to the standard SISO PID controls. The tracking of the fuel/air ratio during the transients was improved up to 80% when using the MPC approach which is sufficient to meet the up-coming emission legislation.
机译:用于压缩机站的传统燃气发动机减少NO_X排放的法律要求要求改善发动机控制。燃气发动机是具有强耦合性的MIMO系统,其输入和输出受到物理约束和客户要求的限制。发动机驱动压缩机,这些压缩机在事先已知的时刻改变负载,并且可以对负载变化模式进行建模。以保持燃油/空气比和发动机转速恒定为目标的MIMO在线线性模型预测控制器(MPC)被应用,并与标准SISO PID控件进行了比较。当使用MPC方法时,在瞬态过程中对燃油/空气比率的跟踪可以提高到80%,这足以满足即将到来的排放法规。

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