Title :
AFM imaging of large soft samples in liquid medium using iterative inverse feedforward control
Author :
Tien, Szuchi ; Devasia, Santosh
Author_Institution :
Nat. Cheng-Kung Univ., Tainan
Abstract :
A zoom-out/zoom-in iterative method is proposed to maintain small tip-sample forces during high-speed AFM imaging of soft samples in liquid. The method is used to demonstrate high-speed imaging of soft hydrogel samples.
Keywords :
atomic force microscopy; feedforward; iterative methods; physical instrumentation control; AFM imaging; high-speed imaging; iterative inverse feedforward control; liquid medium; soft hydrogel samples; soft samples; zoom-out/zoom-in iterative method; Atomic force microscopy; Damping; Force control; Frequency; Iterative methods; Manipulator dynamics; Mechanical engineering; Polymers; Surface topography; Vibrations;
Conference_Titel :
American Control Conference, 2008
Conference_Location :
Seattle, WA
Print_ISBN :
978-1-4244-2078-0
Electronic_ISBN :
0743-1619
DOI :
10.1109/ACC.2008.4586985
