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DESCRIPTION:The global research in micro-robotics\, high-precision control\
 , and modern mechatronic systems is expanding. Recently\, high-precision p
 ositioning techniques have become widely used in several applications rela
 ted to semiconductors\, biomedical science\, optics\, haptics\, and micros
 copy. Piezoelectric actuators can execute sub-nanometer moves at high freq
 uencies because they derive their motion from solid-state crystalline effe
 cts. Indeed\, manipulators driven by piezoelectric actuators have been com
 mercially available\, enabling us to discover reliable and practical contr
 ol solutions that facilitate achieving high speed and position accuracy ac
 ross a wide environmental range. As piezoelectric actuators serve as the m
 anipulator’s actuators\, the available control schemes for conventional 
 robotic manipulators need to be re-investigated. Specifically\, new real-w
 orld control schemes need to consider the hysteresis nonlinearities of the
 se actuators. Non-smooth nonlinearities often severely limit system perfor
 mance and accuracy. A significant example is piezoelectric actuators\, whi
 ch are finding numerous new applications in areas requiring high precision
  under various conditions. This motivates fundamental research into hyster
 esis estimation\, identification\, and control of general dynamic micro- a
 nd nanopositioning systems involving nonsmooth nonlinearities. The present
 ation will focus on estimation and control methods to stabilize smart micr
 o/nano positioning systems within precision motion systems under high nonl
 inearities.\n\nVirtual: https://events.vtools.ieee.org/m/471075
LOCATION:Virtual: https://events.vtools.ieee.org/m/471075
ORGANIZER:lzhang@mun.ca
SEQUENCE:13
SUMMARY:Advancing Precision Motion Scanning Systems with the Prandtl-Ishlin
 skii Hysteresis Operator
URL;VALUE=URI:https://events.vtools.ieee.org/m/471075
X-ALT-DESC:Description: &lt;br /&gt;&lt;p&gt;&lt;span class=&quot;TextRun SCXW15161937 BCX4&quot; la
 ng=&quot;EN-CA&quot; xml:lang=&quot;EN-CA&quot; data-contrast=&quot;auto&quot;&gt;&lt;span class=&quot;NormalTextRu
 n SCXW15161937 BCX4&quot;&gt;The global research in micro-robotics\, high-precisio
 n control\, and modern mechatronic systems is expanding. Recently\, high-p
 recision positioning techniques have become widely used in several applica
 tions related to semiconductors\, biomedical science\, optics\, haptics\, 
 and microscopy. Piezoelectric actuators can execute sub-nanometer moves at
  high frequencies because they derive their motion from solid-state crysta
 lline effects. Indeed\, manipulators driven by piezoelectric actuators hav
 e been commercially available\, enabling us to discover reliable and pract
 ical control solutions that &lt;/span&gt;&lt;span class=&quot;NormalTextRun SCXW15161937
  BCX4&quot;&gt;facilitate&lt;/span&gt;&lt;span class=&quot;NormalTextRun SCXW15161937 BCX4&quot;&gt; ach
 ieving high speed and position accuracy across a wide environmental range.
  As piezoelectric actuators serve as the manipulator&amp;rsquo\;s actuators\, 
 the available control schemes for conventional robotic manipulators need t
 o be re-investigated. Specifically\, new real-world control schemes need t
 o consider the hysteresis nonlinearities of &lt;/span&gt;&lt;span class=&quot;NormalText
 Run SCXW15161937 BCX4&quot;&gt;these actuators. Non-smooth nonlinearities often se
 verely limit system performance and accuracy. A significant example is pie
 zoelectric actuators\, which are finding &lt;/span&gt;&lt;span class=&quot;NormalTextRun
  SCXW15161937 BCX4&quot;&gt;numerous&lt;/span&gt;&lt;span class=&quot;NormalTextRun SCXW15161937
  BCX4&quot;&gt; new applications in areas requiring high precision under various c
 onditions. This motivates fundamental research into hysteresis estimation\
 , identification\, and control of general dynamic micro- and &lt;/span&gt;&lt;span 
 class=&quot;NormalTextRun SpellingErrorV2Themed SCXW15161937 BCX4&quot;&gt;nanoposition
 ing&lt;/span&gt;&lt;span class=&quot;NormalTextRun SCXW15161937 BCX4&quot;&gt; systems involving
  &lt;/span&gt;&lt;span class=&quot;NormalTextRun SpellingErrorV2Themed SCXW15161937 BCX4
 &quot;&gt;nonsmooth&lt;/span&gt;&lt;span class=&quot;NormalTextRun SCXW15161937 BCX4&quot;&gt; nonlinear
 ities. The presentation will focus on estimation and control methods to st
 abilize smart micro/nano positioning systems within precision motion syste
 ms under high nonlinearities.&lt;/span&gt;&lt;/span&gt;&lt;span class=&quot;EOP SCXW15161937 B
 CX4&quot; data-ccp-props=&quot;{&amp;quot\;335551550&amp;quot\;:6\,&amp;quot\;335551620&amp;quot\;:6
 }&quot;&gt;&amp;nbsp\;&lt;/span&gt;&lt;/p&gt;
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