Documents disponibles écrits par cet auteur

Optimal dynamic quantizers for feedback control with discrete-level actuators / Azuma, Shun-Ichi in Transactions of the ASME . Journal of dynamic systems, measurement, and control, Vol. 133 N° 2 (Mars 2011) 

Public ISBD [article]  in Transactions of the ASME . Journal of dynamic systems, measurement, and control > Vol. 133 N° 2 (Mars 2011) . - 10 p. Titre : Optimal dynamic quantizers for feedback control with discrete-level actuators : unified solution and experimental evaluation Type de document : texte imprimé Auteurs : Azuma, Shun-Ichi, Auteur ; Minami, Yuki, Auteur ; Sugie, Toshiharu, Auteur Année de publication : 2011 Article en page(s) : 10 p. Note générale : Systèmes dynamiques Langues : Anglais (eng) Mots-clés : Actuators  Cranes  Feedback  Mechatronics  Optimal  control  Quantisation  (signal) Index. décimale : 629.8 Résumé : This paper proposes to use optimal dynamic quantizers for feedback control in mechatronics systems when the actuator signals are constrained to discrete-valued signals. Here, the dynamic quantizer is a device that transforms the continuous-valued signals into the discrete-valued ones depending on the past signal data, as well as the current data. First, a closed form optimal quantizer is presented in a general linear fraction transformation representation setting. The optimal quantizer minimizes the deviation of the output produced by the quantized signals from the corresponding output yielded by the continuous-valued signals before quantization. Then, its experimental evaluation is performed by using a crane positioning system with a discrete-valued input to demonstrate the effectiveness of the proposed quantizers. DEWEY : 629.8 ISSN : 0022-0434 En ligne : http://asmedl.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=JDSMAA00013300 [...] [article] Optimal dynamic quantizers for feedback control with discrete-level actuators : unified solution and experimental evaluation [texte imprimé] / Azuma, Shun-Ichi, Auteur ; Minami, Yuki, Auteur ; Sugie, Toshiharu, Auteur . - 2011 . - 10 p. Systèmes dynamiques Langues : Anglais (eng) in Transactions of the ASME . Journal of dynamic systems, measurement, and control > Vol. 133 N° 2 (Mars 2011) . - 10 p. Mots-clés : Actuators  Cranes  Feedback  Mechatronics  Optimal  control  Quantisation  (signal) Index. décimale : 629.8 Résumé : This paper proposes to use optimal dynamic quantizers for feedback control in mechatronics systems when the actuator signals are constrained to discrete-valued signals. Here, the dynamic quantizer is a device that transforms the continuous-valued signals into the discrete-valued ones depending on the past signal data, as well as the current data. First, a closed form optimal quantizer is presented in a general linear fraction transformation representation setting. The optimal quantizer minimizes the deviation of the output produced by the quantized signals from the corresponding output yielded by the continuous-valued signals before quantization. Then, its experimental evaluation is performed by using a crane positioning system with a discrete-valued input to demonstrate the effectiveness of the proposed quantizers. DEWEY : 629.8 ISSN : 0022-0434 En ligne : http://asmedl.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=JDSMAA00013300 [...]