Sensitivity optimization method for 4th order CBQ structure LP filter

IF 0.7 Q3 ENGINEERING, MULTIDISCIPLINARY

Engineering Review Pub Date : 2022-01-01 DOI:10.30765/er.1779

E. Živić, N. Stojković, S. Sladic

引用次数: 0

Abstract

This paper describes the design and optimization method for a 4th order low-pass filter designed as a cascade of biquarts and approximated by Butterworth. Schoeffler sensitivity, multiparameter sensitivity measurement, and Monte Carlo analysis were used for sensitivity measurement, filter tuning, and optimization confirmation. The constraints on the filter characteristics due to the Butterworth approximation are also presented, together with the constraints on optimization to obtain a narrow range of values for the filter elements. Three different types of optimization parameters were used to confirm the optimization method. Finally, a 4th order low pass filter with a cascade structure of biquarts was compared to a 4th order filter without feedback and confirmed to have lower sensitivity.

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四阶CBQ结构LP滤波器灵敏度优化方法

本文介绍了一种采用巴特沃斯近似的四阶双夸脱级联低通滤波器的设计与优化方法。采用舍弗勒灵敏度、多参数灵敏度测量和蒙特卡罗分析进行灵敏度测量、滤波器调谐和优化确认。此外，还提出了巴特沃斯近似对滤波器特性的约束，以及为获得滤波器单元的窄范围值而进行优化的约束。采用三种不同类型的优化参数对优化方法进行了验证。最后，将具有双夸脱级联结构的四阶低通滤波器与无反馈的四阶滤波器进行了比较，证实其灵敏度更低。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Engineering Review ENGINEERING, MULTIDISCIPLINARY-

CiteScore

1.00

自引率

0.00%

发文量

期刊介绍： Engineering Review is an international journal designed to foster the exchange of ideas and transfer of knowledge between scientists and engineers involved in various engineering sciences that deal with investigations related to design, materials, technology, maintenance and manufacturing processes. It is not limited to the specific details of science and engineering but is instead devoted to a very wide range of subfields in the engineering sciences. It provides an appropriate resort for publishing the papers covering prior applications – based on the research topics comprising the entire engineering spectrum. Topics of particular interest thus include: mechanical engineering, naval architecture and marine engineering, fundamental engineering sciences, electrical engineering, computer sciences and civil engineering. Manuscripts addressing other issues may also be considered if they relate to engineering oriented subjects. The contributions, which may be analytical, numerical or experimental, should be of significance to the progress of mentioned topics. Papers that are merely illustrations of established principles or procedures generally will not be accepted. Occasionally, the magazine is ready to publish high-quality-selected papers from the conference after being renovated, expanded and written in accordance with the rules of the magazine. The high standard of excellence for any of published papers will be ensured by peer-review procedure. The journal takes into consideration only original scientific papers.