课题基金 / 基金详情

Inversion-Based Nanopositioning Control For Ultra-high-speed Scanning Probe Microscopy

Inversion-Based Nanopositioning Control For Ultra-high-speed Scanning Probe Microscopy
用于超高速扫描探针显微镜的基于反转的纳米定位控制
批准号:
0626417
负责人:
Qingze Zou
金额:
$0.0万
依托单位:
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
2006
资助国家:
美国
项目状态:
已结题
起止时间:
2006-09-15 至 2011-10-31

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中文摘要
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英文摘要
In this GOALI project, a suite of novel control techniques based on the system-inversion theory will be developed to significantly increase the operation speed of scanning probe microscope (SPM) with large imaging size and large sample asperities. To achieve high-speed precision positioning during lateral scanning, an inversion-based iterative control (IIC) algorithm will be studied to simultaneously compensate-for the nonlinear hysteresis and the vibrational dynamics effects of piezo actuators. A cascade model consisting of the Preisach-based hysteresis model followed by the linear dynamics will be explored to investigate the convergence of the IIC algorithm. To achieve precision positioning of the AFM-probe in the vertical-axis, a novel two degree-of-freedom feedforward-feedback controller will be developed to enable the inversion-based feedforward controller and the robust feedback controller to work in concert. Furthermore, an optimal output transition technique that reduces output oscillations by minimizing the output-energy will be integrated with the IIC algorithm to achieve high-speed adhesion force measurement. The developed control techniques will be implemented and evaluated in a set of scientific and engineering studies, through the collaborations with the PI's colleagues at ISU.Developing ultra-high-speed SPM resonates with the grand challenge areas of nanotechnology ("Nanoscale Instrumentation and Metrology") identified by the National Nanotechnology Initiative. Ultra-high-speed SPM will revolutionize the use of SPM in numerous areas, including, but not limited to, biomedical imaging (e.g., study of rapid biological processes such as living cell locomotion), analytical chemistry (e.g., real-time monitoring of single-molecule reactions), nanomanufacturing (high-throughput manufacturing of nanodevices for practical uses), and bioassays. The proposed education and outreach activities of the project will stimulate women/minority students' interests in science/engineering areas at their early age through the Open-Lab tours and mentoring freshman undergraduates. The collaboration with Veeco, the industrial partner in this GOALI project, will enhance the graduate students' industry experience through summer internships, and accelerate the transfer of the developed technology to the industry.
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Collaborative Research: NSF-ANR MCB/PHY: Probing Heterogeneity of Biological Systems by Force Spectroscopy
  • 批准号:
    2412551
  • 项目类别:
    Standard Grant
  • 资助金额:
    $30.0万
  • 财政年份:
    2024
  • 负责人:
    Qingze Zou
  • 依托单位:
PFI-TT: Active Acoustic Noise Cancellation and Control for Scanning Probe Microscopy
  • 批准号:
    2234449
  • 项目类别:
    Standard Grant
  • 资助金额:
    $25.0万
  • 财政年份:
    2023
  • 负责人:
    Qingze Zou
  • 依托单位:
IIBR Instrumentation: Multiscale Multiplex Nanomechanical Stimulus and Sensing of Living Cells on 3D-Cell Culture
  • 批准号:
    1952823
  • 项目类别:
    Standard Grant
  • 资助金额:
    $79.8万
  • 财政年份:
    2020
  • 负责人:
    Qingze Zou
  • 依托单位:
Collaborative Research: Multiscale Characterization and Dynamics Modeling of Stomatal Function in Plants
  • 批准号:
    1851907
  • 项目类别:
    Standard Grant
  • 资助金额:
    $30.04万
  • 财政年份:
    2019
  • 负责人:
    Qingze Zou
  • 依托单位:
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