Design and input shaping control of a novel scanner for high-speed atomic force. [In special section on Optimized System Performances Through Balanced Control Strategies, The 4th IFAC Symposium on Mechatronic Systems – Mechatronics 2006]
Schitter, Georg, Thurner, Philipp J. and Hansma, Paul K. (2008) Design and input shaping control of a novel scanner for high-speed atomic force. [In special section on Optimized System Performances Through Balanced Control Strategies, The 4th IFAC Symposium on Mechatronic Systems – Mechatronics 2006]. Mechatronics, 18, (5-6), 282-288. (doi:10.1016/j.mechatronics.2008.02.007).
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A novel design of a scanning unit for atomic force microscopy (AFM) is presented that enables scanning speeds three orders of magnitude faster than compared to conventional AFMs. The new scanner is designed for high mechanical resonance frequencies, based on a new scanner design, which is optimized using finite element analysis. For high-speed scanning a new controller, based on input-shaping techniques, has been developed that reduces imaging artifacts due to the scanner’s dynamics. The implementation of the new AFM system offers imaging capabilities of several thousand lines per second with a scanning range of 13 μm in both scanning directions, and the freedom to choose the fast scan-axis in any arbitrary direction in the X–Y-plane.
|Keywords:||afm, fast scanning, nano-positioning, nanotechnology, scanning probe, real-time imaging, mechanical design|
|Subjects:||T Technology > TJ Mechanical engineering and machinery
Q Science > QC Physics
|Divisions:||University Structure - Pre August 2011 > School of Engineering Sciences > Bioengineering Sciences
|Date Deposited:||10 Jul 2008|
|Last Modified:||27 Mar 2014 18:35|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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