期刊文献+

Buck变换器V^2控制方法改进及Matlab仿真 被引量:3

Optimization of V^2 Controller for BUCK Converters and Simulation by Matlab
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摘要 Buck型变换器是现代电力电子技术中一种重要的电能变换方法。近年来,随着微处理芯片技术飞速发展,CPU、DSP的运算速度大幅度提高,电源电流与时钟频率也随之提高,对于变换器的要求也急剧提高——特别是瞬态响应。分析、研究了针对buck变换器的对负载变化具有超快速响应的输出电压双环反馈V2控制方法的基本原理。针对其抗干扰能力差,当占空比大于50%时,会产生次谐波振荡的缺点对其进行了改进,并用Matlab对结果进行了仿真,仿真结果证明该方法是切实有效的。 Buck converter is an important power converter of modern power electronics. Recently, with the rapid development of microprocessor technology, the operation speed of CPU and DSP has increased rapidly, and so do the power electric current and clock - frequency, all above require better performance of converter especially better transient response. In this paper a control technique - V2 ( Voltage - Voltage Control) control technique is analyzed and studied which has a very quick - response to variation in load. But it has a bad anti jamming ability, when the duty cycle is larger than 50% it will produce subharmonic oscillation. To enhance its anti -jamming ability, it has been improved and simulated by Matlab. The simulation results prove that the method is effective.
出处 《计算机仿真》 CSCD 2007年第6期216-219,共4页 Computer Simulation
关键词 瞬态响应 斜坡补偿 仿真 Transient response Ramp- compensate Simulation
作者简介 魏文艳(1980-),女(汉族),山西省大同市人,现为西北工业大学航海学院在读硕士研究生,主要研究方向为电力电子技术。 焦振宏(1962-),男(汉族),山西省晋城市人,硕士,现为西北工业大学航海学院硕士研究生导师,副教授,主要研究方向为电力电子技术。 秦鹏(1979-),男(汉族),山西省临汾市人,现为西北工业大学航海学院在读硕士研究生,主要研究方向为电力电子技术。
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共引文献62

同被引文献26

  • 1周宇飞,陈军宁,谢智刚,柯导明,时龙兴,孙伟锋.参数共振微扰法在Boost变换器混沌控制中的实现及其优化[J].物理学报,2004,53(11):3676-3683. 被引量:57
  • 2王凤岩,许建平.V^2C控制Buck变换器分析[J].中国电机工程学报,2006,26(2):121-126. 被引量:32
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