Model Predictive Control Using of Local Model Networks: A Case Study
محل انتشار: پنجمین کنگره بین المللی مهندسی شیمی
سال انتشار: 1386
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 1,615
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شناسه ملی سند علمی:
ICHEC05_393
تاریخ نمایه سازی: 7 بهمن 1386
چکیده مقاله:
Model predictive control (MPC) techniques have been recognized as efficient approaches to improve operating efficiency and profitability. It has become the accepted standard for complex control problems in the process industries as well. And neural networks also have good approximation capability for non-linear systems. In this paper a non-linear predictive controller is presented which combines predictive controllers with a local model network utilizing a neural-network-like gating system. In essence it avoids the time consuming quadratic optimization calculation, which is normally necessary in non-linear predictive control. The method has been applied on a Continuous Stirred Tank Reactor (CSTR) as a case study to be satisfactory both in terms of set point tracking and regulation performance over the entire operating range. Besides, the inherent integration action in the local predictive controller provides zero static offsets.
کلیدواژه ها:
Model Predictive Control- Local Model Networks- Neural Networks- CSTR