| DC—DC变换器的数字控制及其特性 |
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| 引用本文： | 郑耀林. DC—DC变换器的数字控制及其特性[J]. 电子测量与仪器学报, 1999, 13(3): 44-50 |
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| 作者姓名： | 郑耀林 |
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| 作者单位： | 华侨大学!泉州362011 |
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| 基金项目： | 福建省自然科学基金!E96019 |
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| 摘 要： | 本文以Ｂｕｃｋ（降压型）ＤＣ－ＤＣ变换器为例，就数字ＰＷＭ方式的ＰＩＤ控制电路和的构成和工作原理，以及稳态时的三种不同工作模式的机理进行了详细的论述，同时求出相应的动态特性和系统的稳定边界。对系统进行了实测，得到良好的性能和对实际有益的结构。
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| 关 键 词： | DC－DC变换器 数字控制 开关电源 PWM |
Digital Control of DC-DC Converters and its Characteristics |
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| Zheng Yaolin. Digital Control of DC-DC Converters and its Characteristics[J]. Journal of Electronic Measurement and Instrument, 1999, 13(3): 44-50 |
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| Authors: | Zheng Yaolin |
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| Abstract: | This paper takes the Buck DC-DC converter as an example to expound in detail the mechanism of three different working patterns in steady state as wells the composition and the operating principle of the PID controlling circuit in Digital PWM (Pulse Width Modulation) mode, and has defined the correspondent dynamic characteristics of the digitally controlled DC-DC converter and the stable boundary of the system. By an on-the-spot measurement of the system, we come to the conclusion that system performs satisfactorily and is of practical use. |
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| Keywords: | DGDC converter Digital control Characteristics |
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