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<bibitem type="C">   <ARLID>0411395</ARLID> <utime>20240111140636.5</utime><mtime>20060210235959.9</mtime>        <title language="eng" primary="1">Visual servoing for an underactuated manipulator</title>  <publisher> <place>Prague</place> <name>IFAC</name> <pub_time>2005</pub_time> </publisher> <specification> <page_count>7 s.</page_count> <media_type>DVD-ROM</media_type> </specification>   <serial><title>Preprints of the 16th World Congress of the International Federation of Automatic Control</title><part_num/><part_title/><page_num>1-6</page_num><editor><name1>Horáček</name1><name2>P.</name2></editor><editor><name1>Šimandl</name1><name2>M.</name2></editor><editor><name1>Zítek</name1><name2>P.</name2></editor></serial>   <title language="cze" primary="0">Vizuelní servořízení pro  manipulátor s neúplným počtem akčních prvků</title>    <keyword>underactuated systems</keyword>   <keyword>visual servoing</keyword>   <keyword>nonlinear systems</keyword>   <keyword>Pendubot</keyword>    <author primary="1"> <ARLID>cav_un_auth*0213227</ARLID> <name1>Espejel-Rivera</name1> <name2>A.</name2> <country>MX</country>  </author> <author primary="0"> <ARLID>cav_un_auth*0213228</ARLID> <name1>Ramos-Velasco</name1> <name2>L. E.</name2> <country>MX</country>  </author> <author primary="0"> <ARLID>cav_un_auth*0101074</ARLID> <name1>Čelikovský</name1> <name2>Sergej</name2> <institution>UTIA-B</institution> <full_dept>Department of Control Theory</full_dept>  <fullinstit>Ústav teorie informace a automatizace AV ČR, v. v. i.</fullinstit> </author>   <source> <source_size>256 kB</source_size> </source>     <COSATI>09I</COSATI>    <cas_special> <project> <project_id>1P05LA262</project_id> <agency>GA MŠk</agency> <ARLID>cav_un_auth*0213188</ARLID> </project> <research> <research_id>CEZ:AV0Z10750506</research_id> </research>  <abstract language="eng" primary="1">This paper discusses the visual servo control of an underactuated mechanism under fixed-camera configuration. The control goal is to stabilize the system over a desired static target by using a vision system equipped with a fixed camera to observe the system and target. We present a control scheme based on the combination of a state observer and the visual feedback for an underactuated system,the so-called Pendubot, consisting in a double pendulum actuated only at the first joint.</abstract> <abstract language="cze" primary="0">V tomto článku je rozebrána regulace mechanizmu, který má méně akčních prvků, než stupňů volnosti, a to pomocí vizuelní zpětné vazby. Mechanizmus řídí orientaci kamery, která poskytuje vizuelní informaci. Vhodným dynamickým modelem pro tuto situaci je tzv. pendubot, řízený pomocí výstupní zpětné vazby.</abstract>  <action target="WRD"> <ARLID>cav_un_auth*0213202</ARLID> <name>IFAC World Congress /16./</name> <place>Prague</place> <country>CZ</country> <dates>03.07.2005-08.07.2005</dates>  </action>     <RIV>BC</RIV> <reportyear>2006</reportyear>      <department>TŘ</department>   <permalink>http://hdl.handle.net/11104/0131477</permalink>    <ID_orig>UTIA-B 20050125</ID_orig>    <arlyear>2005</arlyear>       <unknown tag="mrcbU10"> 2005 </unknown> <unknown tag="mrcbU10"> Prague IFAC </unknown> <unknown tag="mrcbU56"> 256 kB </unknown> <unknown tag="mrcbU63"> Preprints of the 16th World Congress of the International Federation of Automatic Control 1 6 </unknown> <unknown tag="mrcbU67"> Horáček P. 340 </unknown> <unknown tag="mrcbU67"> Šimandl M. 340 </unknown> <unknown tag="mrcbU67"> Zítek P. 340 </unknown> </cas_special> </bibitem>