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An online model is a mathematical model which tracks and mirrors a plant or process in real-time, and which is implemented with some form of automatic adaptivity to compensate for model degradation over time. == Relationship to other kinds of models == An online model is also sometimes referred to as an "online simulator"〔()〕〔()〕 or "online system".〔()〕 An online model is related to the concept of real-time simulation, as an online model runs in real-time by definition. Conversely a real-time simulation is not necessarily an online model as it by definition does not require adaptivity in either states or parameters. While many models are adjusted to better fit historical data, traditionally this is done in campaigns or during initial design, and often this is done either manually or with a combination of mathematical and manual methods. By contrast, online models include some automatic procedure to adapt to new process data. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Online model」の詳細全文を読む スポンサード リンク
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