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A systematic method for the analysis and design of multirate control systems.

机译：一种用于多速率控制系统分析和设计的系统方法。

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摘要

Due to the advances in digital computers and microprocessors, a great deal of effort has been put into research in digital control systems. In order to efficiently utilize the computational capacity of the onboard computer and accommodate various sensors information available at multiple rates, multirate sampling techniques are applied to control the systems. Although multirate sampling plays an important role in the aerospace and navigation fields, most of the work in the past has involved single-rate systems where all sampling rates are the same.;The design approach is done by the application of a robust controller in multirate systems. The robust controller design for multirate plants is formulated as a discrete H;A systematic approach to the analysis and design of multirate systems is developed in this work. The analytical approach consists of two stages. The first one is the application of the state transition method to obtain the open-loop or closed-loop response of the system. To avoid the tedious derivation of the state transition equation of the system, a time chart that represents the transitions of the system is proposed. It provides a direct way to write the state transition equation by observation. The second stage utilizes a simplified method to determine the loop transfer function of the system. Some properties that relate to the simplified method are stated in lemma form. The proof of these lemmas are included. The applications of the systematic analysis method for single-loop and multiloop multirate systems are illustrated through example systems. Their results and the comparisons with other techniques are also provided.
机译：由于数字计算机和微处理器的进步，已经在数字控制系统的研究中投入了大量精力。为了有效利用车载计算机的计算能力并适应多种速率下可用的各种传感器信息，应用了多速率采样技术来控制系统。尽管多速率采样在航空航天和导航领域中起着重要作用，但过去的大部分工作都涉及单采样率系统，其中所有采样率都是相同的;设计方法是通过在多采样率中使用鲁棒控制器来完成的系统。用于多速率工厂的鲁棒控制器设计用离散H表示；在这项工作中，开发了一种用于分析和设计多速率系统的系统方法。分析方法包括两个阶段。第一个是应用状态转换方法来获得系统的开环或闭环响应。为避免系统状态转换方程的繁琐推导，提出了表示系统转换的时序图。它提供了一种通过观察来编写状态转换方程的直接方法。第二阶段利用简化的方法来确定系统的环路传递函数。与简化方法有关的一些属性以引理形式表示。这些引理的证明也包括在内。通过示例系统说明了系统分析方法在单回路和多回路多速率系统中的应用。还提供了他们的结果以及与其他技术的比较。

著录项

  • 作者

    Chang, Chia Der.;

  • 作者单位

    Arizona State University.;

  • 授予单位 Arizona State University.;
  • 学科 Engineering Electronics and Electrical.
  • 学位 Ph.D.
  • 年度 1992
  • 页码 181 p.
  • 总页数 181
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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