標題: Output Disturbance Observer Structure Applied to Run-to-Run Control for Semiconductor Manufacturing
作者: Lee, An-Chen
Pan, Yi-Ren
Hsieh, Ming-Tsung
機械工程學系
Department of Mechanical Engineering
關鍵字: Disturbance observer;double EWMA;EWMA;metrology delay;output disturbance observer (ODOB) controller;run-to-run controller
公開日期: 1-二月-2011
摘要: Among the run-to-run (RtR) controllers, the EWMA controller, the double EWMA controller, and the predictor corrector controller are widely adopted in the semiconductor industry. This paper presents a unified framework for these controllers, which is called the output disturbance observer (ODOB) structure. The advantages of applying the ODOB structure are that the process output will be forced to the process target and the actual plant to the nominal plant while the process disturbance and the measurement noise are rejected. The relations of the tuned parameters of the above-mentioned controllers and the ODOB controller are discussed. Furthermore, based on the unified framework, the RtR controller with model mismatch and metrology delay can be analyzed systematically. In this paper, we analyze the robust stable conditions for the ODOB controller taking the model mismatch and metrology delay into consideration and provide a method to tune the controller.
URI: http://dx.doi.org/10.1109/TSM.2010.2088990
http://hdl.handle.net/11536/25822
ISSN: 0894-6507
DOI: 10.1109/TSM.2010.2088990
期刊: IEEE TRANSACTIONS ON SEMICONDUCTOR MANUFACTURING
Volume: 24
Issue: 1
起始頁: 27
結束頁: 43
顯示於類別:期刊論文


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