基于植物输入映射和预滤波调整的数字跟踪控制

IF 0.7 4区计算机科学 Q4 AUTOMATION & CONTROL SYSTEMS

Modeling Identification and Control Pub Date : 2017-01-01 DOI:10.2316/P.2017.848-055

Tian Ji, N. Hori

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引用次数: 1

摘要

采用植物输入映射(PIM)方法作为基础，设计了一种无稳态误差跟踪斜坡型参考输入的数字控制器。这是通过修改预滤波器中分子的低阶部分来实现的，从而满足控制器具有零稳态误差的条件。使用欧拉算子，使得在连续时间域中的参数可以很容易地转移到离散时间域中。仿真结果表明，对PIM数字控制器所作的改进是有效的。并与采用Tustin离散化方法设计的数字控制器进行了比较。

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Digital Tracking Control Based on Plant-Input-Mapping with Prefilter Adjustment

Digital redesign method called the Plant-Input-Mapping (PIM) method is used as bases for the design of a digital controller to track a ramp-type reference input without steady-state errors. This is achieved by modifying a lower order part of the numerator in the pre-filter so that the condition for the controller to have zero steady-state error is satisfied. The Euler operator is used so that the arguments made in the continuous-time domain are carried over to the discrete-time domain with ease. Simulation results are presented to show that the proposed modification made to the PIM digital controller is effective. Comparisons with the digital controller designed using the Tustin discretization method are also shown.

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来源期刊

Modeling Identification and Control 工程技术-计算机：控制论

CiteScore

3.30

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： The aim of MIC is to present Nordic research activities in the field of modeling, identification and control to the international scientific community. Historically, the articles published in MIC presented the results of research carried out in Norway, or sponsored primarily by a Norwegian institution. Since 2009 the journal also accepts papers from the other Nordic countries.