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Buck型直流变换器的自适应动态面控制研究
  • ISSN号：1006-396X
  • 期刊名称：《石油化工高等学校学报》
  • 时间：0
  • 分类：TP202[自动化与计算机技术—控制科学与工程;自动化与计算机技术—检测技术与自动化装置]
  • 作者机构：[1]东北大学流程工业综合自动化教育部重点实验室,辽宁沈阳110004, [2]沈阳工程学院电气工程系,辽宁沈阳110136
  • 相关基金：国家自然科学基金项目（60574013）.
作者： 衣丽葵[1,2], 赵军[1]
关键词： 动态面控制, 参数不确定性, 变换器, 反步控制, Dynamic surface control , Parameter uncertainty , Power converters , Backstepping control
中文摘要：

基于脉冲宽度调制（PWM）原理工作的Buck型直流变换器的平均模型，利用非线性自适应动态面控制方法设计控制器，用来驱动一类Buck型直流变换器工作，使其输出电压能准确地跟踪参考电压，以及对负载参数的不确定性具有很强的鲁棒性和自适应性。非线性自适应动态面控制是非线性系统自适应反步控制的一种简化算法，设计过程中引入n-1个一阶滤波器，克服了反步方法对虚拟控制求导而引起的方程项数的膨胀问题和对模型非线性求导的问题。只要滤波时间足够小（现代的计算机完全能够满足），选择合适的表面增益，该方法设计的控制器，简单且易于实现，并可保证系统是半全局稳定的，完全能够满足工程上的要求。该控制器的有效性，通过仿真实例获得验证。

英文摘要：

Based on the average model of Buck DC--DC power converters, which worked according to pulse width modulation principle, adaptive dynamic surface controller was designed. The controller can drive a class of Buck DC--DC power converters to operate well. It tracks the reference output voltage accurately, and has good robustness and adaptability for the parameter uncertainty. Adaptive dynamic surface control is a simplified algorithm for adaptive backstepping control of nonlinear systems. The addition of n--1 first--order filters allows the algorithm to be implemented without differentiating any model nonlinearities and suffering from the problem of the explosion of terms. When the filter time is small enough and the surface gain is selected reasonably, the controller is easy and prone to be practiced, and can guarantee semi--global stability. The effectiveness of the proposed control scheme is verified by the simulation.

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期刊信息
  • 《石油化工高等学校学报》
  • 中国科技核心期刊
  • 主管单位:中国石油化工集团
  • 主办单位:辽宁石油化工大学
  • 主编：仲崇民
  • 地址：辽宁省抚顺市望花区丹东路西段1号
  • 邮编：113001
  • 邮箱：lnxuebao@126.com
  • 电话：0413-6865105
  • 国际标准刊号：ISSN：1006-396X
  • 国内统一刊号：ISSN：21-1345/TQ
  • 邮发代号:8-267
  • 获奖情况:
  • 全国高校自然科学学报二等奖,辽宁省高校学报一等奖,辽宁省一级期刊,石油和化工行业期刊一等奖,首届、二届中国高校优秀期刊奖,全国高校优秀科技期刊奖
  • 国内外数据库收录:
  • 俄罗斯文摘杂志,美国化学文摘（网络版）,荷兰文摘与引文数据库,中国中国科技核心期刊,英国英国皇家化学学会文摘
  • 被引量:5915