Dynamic Analysis and Control of Nonlinear Processes via Nonlinear Transfer Functions
通过非线性传递函数进行非线性过程的动态分析和控制
基本信息
- 批准号:9400304
- 负责人:
- 金额:$ 14.27万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:1994
- 资助国家:美国
- 起止时间:1994-05-15 至 1998-04-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Abstract - Palazoglu - 9400304 The majority of chemical processes are inherently nonlinear and the lack of analytical tools for nonlinear systems hampers efforts to establish a comprehensive control paradigm, as has been done with the linear systems. The lack of information regarding the behavior of nonlinear processes results in unnecessarily limiting the region of safe operation; to overdesign in an attempt to soften nonlinearities; or to design conservative control systems such that an acceptable operation is maintained. Such engineering solutions may yield suboptimal plant operations, and more economically favorable regimes may be unnecessarily deemed unsafe or unreliable. The PI is developing a technique for the representation of nonlinear dynamics, a parametrization of the solution of nonlinear dynamic equations, and an analytical solution for the nonlinear feedback control problem. The method is based on a particular operation for nonlinearities that yields nonlinear transfer functions via Laplace-like transformations. This permits the algebraic solution of nonlinear ODEs in the transform domain and subsequent realization in the time domain, quite analogous to linear systems analysis. Such a procedure yields an analytical solution for the nonlinear ODEs. It also provides tools for manipulating nonlinear transfer functions to construct and analyze nonlinear closed-loop control systems. This analytical environment, supported by symbolic computations, has potential in altering previous perceptions about nonlinear systems analysis and paves the way for a new approach for nonlinear control and education.
摘要- Palazoglu - 9400304 大多数化学过程本质上是非线性的,并且缺乏用于非线性系统的分析工具阻碍了建立全面的控制范例的努力,正如已经对线性系统所做的那样。 缺乏关于非线性过程行为的信息导致不必要地限制安全操作的区域;过度设计以试图软化非线性;或设计保守的控制系统以维持可接受的操作。 这样的工程解决方案可能产生次优的工厂操作,并且更经济有利的制度可能不必要地被认为是不安全或不可靠的。 PI正在开发一种用于非线性动力学表示的技术,非线性动力学方程的解的参数化,以及非线性反馈控制问题的解析解。 该方法是基于一个特定的操作,通过拉普拉斯变换产生非线性传递函数的非线性。 这使得非线性常微分方程的代数解在变换域和随后的实现在时域,非常类似于线性系统分析。 这样的程序产生的非线性常微分方程的解析解。 它还提供了操纵非线性传递函数来构造和分析非线性闭环控制系统的工具。 这种分析环境,支持符号计算,有可能改变以前的看法,非线性系统分析和铺平了道路,为非线性控制和教育的新方法。
项目成果
期刊论文数量(0)
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会议论文数量(0)
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Ahmet Palazoglu其他文献
Controlled Molecular Transport through Nanofilters with Tapered and Cylindrical Pores
- DOI:
10.1016/j.bpj.2008.12.3852 - 发表时间:
2009-02-01 - 期刊:
- 影响因子:
- 作者:
Nazar Ileri;Michael Wiederoder;Pieter Stroeve;Sonia Letant;Jerald Britten;Hoang Nguyen;Cindy Larson;Rodney Balhorn;Michael Shirk;Saleem Zaidi;Ahmet Palazoglu;Roland Faller;Joseph W. Tringe - 通讯作者:
Joseph W. Tringe
Prediction of ozone levels using a Hidden Markov Model (HMM) with Gamma distribution
使用具有伽马分布的隐马尔可夫模型 (HMM) 预测臭氧水平
- DOI:
10.1016/j.atmosenv.2012.08.008 - 发表时间:
2012-12 - 期刊:
- 影响因子:5
- 作者:
Hao Zhang;Weidong Zhang;Ahmet Palazoglu;Wei sun - 通讯作者:
Wei sun
Industrial Process Fault Detection Based on Siamese Recurrent Autoencoder
- DOI:
10.1016/j.compchemeng.2024.108887 - 发表时间:
2025-01-01 - 期刊:
- 影响因子:
- 作者:
Cheng Ji;Fangyuan Ma;Jingde Wang;Wei Sun;Ahmet Palazoglu - 通讯作者:
Ahmet Palazoglu
Fault Detection, Isolation, and Distinguishing Between Sensor Failures and Disturbances
- DOI:
10.1016/s1474-6670(17)38515-4 - 发表时间:
2000-06-01 - 期刊:
- 影响因子:
- 作者:
Fuat Doymaz;Jose A. Romagnoli;Ahmet Palazoglu - 通讯作者:
Ahmet Palazoglu
Ahmet Palazoglu的其他文献
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{{ truncateString('Ahmet Palazoglu', 18)}}的其他基金
Conference: Foundations of Process/Product Analytics and Machine learning (FOPAM 2023)
会议:流程/产品分析和机器学习的基础 (FOPAM 2023)
- 批准号:
2303860 - 财政年份:2023
- 资助金额:
$ 14.27万 - 项目类别:
Standard Grant
US-Turkey Cooperative Research Project: Studies on the Folding Dynamics of Proteins
美国-土耳其合作研究项目:蛋白质折叠动力学研究
- 批准号:
0352868 - 财政年份:2004
- 资助金额:
$ 14.27万 - 项目类别:
Standard Grant
A Study on the Theory and Practice of Nonlinear Process Control Using Functional Expansion (FEx) Models
使用函数扩展(FEx)模型的非线性过程控制的理论与实践研究
- 批准号:
9800073 - 财政年份:1998
- 资助金额:
$ 14.27万 - 项目类别:
Standard Grant
U.S.-Australia Cooperative Research: Study on the Control of Linear and Non-Linear Chemical Process
美澳合作研究:线性和非线性化工过程控制研究
- 批准号:
9215832 - 财政年份:1993
- 资助金额:
$ 14.27万 - 项目类别:
Standard Grant
U.S. - Argentina Cooperative Research: Studies on the Robust Control of Chemical Processes
美国-阿根廷合作研究:化学过程鲁棒控制研究
- 批准号:
9001963 - 财政年份:1991
- 资助金额:
$ 14.27万 - 项目类别:
Standard Grant
Research Initiation: Eigenvalue Inclusion Regions to Study Model Approximations for Distributed Parameter Systems
研究启动:特征值包含区域研究分布参数系统的模型逼近
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8810318 - 财政年份:1988
- 资助金额:
$ 14.27万 - 项目类别:
Standard Grant
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