モデル予測機能を有するパフォーマンス駆動型PID制御系の一設計

概要

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PID controllers have been very widely used for various process control systems represented by chemical processes. Recently, from viewpoint of the productivity improvement and the cost decrease, it is requested to establish the method obtained a good performance PID controller over time on steady-state in spite of changes in a system characteristic. In this research, a design of performance-driven predictive PID controllers is proposed, which automatically adjusts the user- specified parameter within the GPC- PID controller based on the control performance assessment. From a point of the control performance on steady- state, it is investigated that the GPC- PID controller is superior to typical controllers. The practically performance index to assess good controller or not is described and the design benchmark of weighting factor included in the cost function which is one of the user- specified parameter is presented. Finally, numerical simulation is provided to verify the validity of the proposed method.
公益社団法人計測自動制御学会の論文