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A versatile simulation tool for virtual implementation of proportional integral and derivative (PID) controllers

机译:虚拟实现比例积分和微分(PID)控制器的多功能仿真工具

摘要

This thesis proposes an interactive software tool that can be used to compute complete sets of Proportional Integral Derivative (PID) Controllers from knowledge of the plant transfer function/frequency response data. This is based on research results and algorithms developed by Bhattacharyya and others. Until these research results were published, it was not known if a nominal system could be stabilized using PID Controllers, and current PID Controller designs are carried out using ad hoc tuning rules. By using simulations, engineers can best plan for and observe the stabilizing effect each of the variables has on system performance in a realistic environment. The software application developed calculates and optimizes complete stabilizing sets of PID Controllers for a rational Linear Time Invariant (LTI) system, and has been developed for analytical models of plants with and without time delay. Further, these PID Controller sets are optimized to project subsets simultaneously satisfying multiple performance index specifications. Sets of PID Controllers that stabilize a system are also calculated automatically from knowledge of the frequency response of the plant. It allows the user ease of design and the ability to customize the final solution while permitting full control over source parameters. This thesis includes an introduction to the algorithms that have been developed for plant stabilization, a complete description of the graphical user interface, the simulation of the algorithms performed using LabVIEW, and a summary of future work.
机译:本文提出了一种交互式软件工具,该工具可用于从工厂传递函数/频率响应数据的知识中计算出完整的比例积分微分(PID)控制器集。这是基于Bhattacharyya等开发的研究结果和算法。在发表这些研究结果之前,尚不清楚是否可以使用PID控制器来稳定标称系统,并且当前的PID控制器设计是使用临时调整规则进行的。通过使用仿真,工程师可以最好地计划并观察每个变量在实际环境中对系统性能的稳定作用。开发的软件应用程序可为合理的线性时不变(LTI)系统计算和优化PID控制器的完整稳定集,并且已针对具有和没有时间延迟的工厂分析模型进行了开发。此外,这些PID控制器集经过优化,可同时满足多个性能指标规格的项目子集。稳定系统的PID控制器组也会根据工厂的频率响应知识自动计算出来。它使用户易于设计,并且能够定制最终解决方案,同时允许对源参数进行完全控制。本文包括对为稳定工厂而开发的算法的介绍,图形用户界面的完整说明,使用LabVIEW执行的算法仿真以及对未来工作的总结。

著录项

  • 作者

    Ramamurthi Indu;

  • 作者单位
  • 年度 2007
  • 总页数
  • 原文格式 PDF
  • 正文语种 en_US
  • 中图分类

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