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基于SABER軟件的數(shù)字控制電源系統(tǒng)的仿真設(shè)計(jì)

摘要：目前，在電源系統(tǒng)的設(shè)計(jì)中，計(jì)算機(jī)仿真已得到廣泛的應(yīng)用。由于數(shù)字控制電源的控制算法等均由數(shù)字處理器編程實(shí)現(xiàn)，而數(shù)字處理器的工作特點(diǎn)決定了數(shù)據(jù)處理過程是離散化的，因此設(shè)計(jì)出能夠反應(yīng)數(shù)字控制系統(tǒng)離散化特點(diǎn)的仿真模型，是數(shù)字控制電源系統(tǒng)仿真亟待解決的問題。本文在分析數(shù)字處理器的工作特點(diǎn)的基礎(chǔ)上，提出一種適合于數(shù)字控制電源系統(tǒng)的建模仿真方法。由于該仿真模型非常貼近于實(shí)際的數(shù)字控制電源系統(tǒng)，因而可以用于數(shù)字系統(tǒng)的原理分析和參數(shù)整定等，所獲得的參數(shù)對于控制系統(tǒng)設(shè)計(jì)具有重要的參考價(jià)值。 敘詞：數(shù)字控制，電源，仿真，建模 Abstract：Computer simulation has been widely used in design of power supply systems presently. In the system of digital controlled power supply, control scheme is programmed in digital processor. The character of processor decides that the process of datum disposal is discrete. Therefore, its a problem for simulation of digital controlled power supply systems to establish simulation models which can reflect discrete feature. This paper offers a method of modeling and simulating for digital controlled power supply system, on the basis of analyzing the feature of how datum are processed in digital processor. Because this simulated model approximates to the practical digital controlled power supply system greatly, it can be used to principle analyzing, more importantly it can be used to parameter trimming in digital control system, and the final simulated datum will be referred to the practical digital controlled system importantly. Keyword：Digital Control, Power Supply, Simulation, Modeling

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