Less Conservative Criteria for Analysis and Synthesis of Nonlinear Systems
非线性系统分析和综合的不太保守的标准
基本信息
- 批准号:0900113
- 负责人:
- 金额:$ 24.99万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2009
- 资助国家:美国
- 起止时间:2009-07-01 至 2013-06-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
This award is funded under the American Recovery and Reinvestment Act of 2009 (Public Law 111-5). The research objective of this award is to build tools for analysis and synthesis of nonlinear systems with particular emphasis on Atomic Force Microscopy. Existing methodologies are conservative and often the desired performance cannot be achieved even if the potential to obtain the performance is present. The main concept on which the research is based is as follows. Often the nonlinear system is desired to have a certain nominal behavior and near the desired nominal behavior the system typically admits a precise characterization. However, there are external agents that cause the system to deviate from the nominal behavior and this might cause the required nonlinearity description to be complex. One of the main concepts utilized in the proposed research is to first manage the system behavior when the system is away from the desired operating condition. Once it is determinable that the system can recover from such excursions from the nominal condition, a less conservative characterization of the nonlinearity with its domain restricted to a smaller region is employed. This two stage approach has large potential to improve the performance of nonlinear systems. A framework to methodically exploit the above strategy for obtaining less conservative tools for absolute stability, domains of attraction and for addressing influence of external inputs will be developed Framework developed will be applied to Atomic Force Microscopy. The research deliverables include new theoretical tools for nonlinear system analysis and synthesis, new ways of AFM based imaging, engineering student education at the undergraduate and graduate levels and transfer of knowhow to the AFM related industry. If successful, a new body of control theoretic work will be produced. The innovative contributions of this research will directly impact most aspects of AFM, as the proposed methods apply to most of the existing setups. The PI has strong collaboration with AFM related industry. The transfer of knowhow from the PIs academic institution and the AFM industry will make the US industry more competitive. The research will lead to graduate and undergraduate students who will obtain better insights into nonlinear systems with the intuition gained from AFM dynamics.
该奖项是根据2009年美国复苏和再投资法案(公法111-5)资助的。该奖项的研究目标是建立分析和合成非线性系统的工具,特别强调原子力显微镜。 现有的方法是保守的,并且即使存在获得性能的潜力,通常也不能实现期望的性能。研究所依据的主要概念如下。通常,非线性系统被期望具有一定的标称行为,并且在期望的标称行为附近,系统通常允许精确的表征。然而,存在导致系统偏离标称行为的外部代理,这可能导致所需的非线性描述变得复杂。在拟议的研究中使用的主要概念之一是首先管理系统的行为时,系统是远离所需的操作条件。一旦确定系统可以从标称条件的此类偏移中恢复,则采用非线性的较不保守的表征,其域限制在较小的区域。这两个阶段的方法有很大的潜力,以提高非线性系统的性能。 一个框架,有条不紊地利用上述战略,获得不太保守的工具,绝对稳定性,吸引力的领域和解决外部输入的影响将开发框架开发将适用于原子力显微镜。研究成果包括非线性系统分析和合成的新理论工具,基于AFM的成像新方法,本科和研究生阶段的工程学生教育以及AFM相关行业的知识转移。如果成功,一个新的机构的控制理论的工作将产生。这项研究的创新贡献将直接影响AFM的大多数方面,因为所提出的方法适用于大多数现有的设置。PI具有强大的 与AFM相关行业合作。来自PI学术机构和AFM行业的技术转让将使美国行业更具竞争力。这项研究将导致研究生和本科生谁将获得更好的洞察非线性系统的直觉从AFM动力学。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Murti Salapaka其他文献
Murti Salapaka的其他文献
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1544721 - 财政年份:2015
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CIF: Small: Collaborative Research: Signal processing for enabling high speed probe based nanoimaging
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0814615 - 财政年份:2007
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