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題 名 | 遠端PID自動調整系統之設計與溫度控制應用=Design of PID Remote Autotuner and Application of Temperature Control |
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作 者 | 呂奇璜; 蔡清池; | 書刊名 | 樹德學報 |
卷 期 | 20 1997.07[民86.07] |
頁 次 | 頁59-82 |
分類號 | 448.942 |
關鍵詞 | 遠端PID調整系統; 模型預估PID控制; 模糊控制; PID remote autotuner; Model-based predictive control; Fuzzy control; |
語 文 | 中文(Chinese) |
中文摘要 | 本文的主旨是探討遠端PID自動調整系統(PID Remote Autotuner)的設 計、製作與射出機溫控系統之運用。遠端 PID 自動調整系統是藉 RS-232 通訊介 面與協定互傳量測值、控制值和相關資訊與參數,續以模型預估 PID控制法則 (Model-based Predictive PID Control Law) 完成 PID 參數調整工作,其中藉 由 Fuzzy 制控規則來監督系統性能以達成自動調整器的功能。本 PID 自動調整 器對於非極小相位系統與可變延遲時間系統亦可適用。最後以射出機熔膠溫控 系統為載具,經由 Microsoft C 語言撰寫系統所需之即時通訊與控制程式,從 實驗驗證本調整器對設定點追蹤與負載擾動等具有效性和可行性。 |
英文摘要 | This purpose of the paper is develop methodologies for the design of PID remote autotuner and application of temperature control for an extruder barrel in a plastic injection molding process. The stochastic discrete-time mathematical model of second order with plus dead-time system is built and its unknown system parameters and delaytime is identified by using the recursive least squares estimation method and model matching method. These parameters of PID autotuner are derived based on the modelbased predictive PID control law and fuzzy supervisory shell. The technique is useful for controlled system with nonmininum-phase and variable dead-time model. A realtime control algorithm with RS-232 communication interfacing and protocal is proposed which has been implemented by using Microsoft C. Experimental results are used to show the feasibility and effectiveness of the proposed method. |
本系統中英文摘要資訊取自各篇刊載內容。