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.
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March 2011
Research Papers
Optimal Dynamic Quantizers for Feedback Control With Discrete-Level Actuators: Unified Solution and Experimental Evaluation Available to Purchase
Shun-ichi Azuma,
Shun-ichi Azuma
Graduate School of Informatics,
e-mail: [email protected]
Kyoto University
, Gokasho, Uji, Kyoto 611-0011, Japan
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Yuki Minami,
Yuki Minami
Department of Control Engineering,
e-mail: [email protected]
Maizuru National College of Technology
, 234 Shiroya, Maizuru 625-8511, Japan
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Toshiharu Sugie
Toshiharu Sugie
Graduate School of Informatics,
e-mail: [email protected]
Kyoto University
, Gokasho, Uji, Kyoto 611-0011, Japan
Search for other works by this author on:
Shun-ichi Azuma
Graduate School of Informatics,
Kyoto University
, Gokasho, Uji, Kyoto 611-0011, Japane-mail: [email protected]
Yuki Minami
Department of Control Engineering,
Maizuru National College of Technology
, 234 Shiroya, Maizuru 625-8511, Japane-mail: [email protected]
Toshiharu Sugie
Graduate School of Informatics,
Kyoto University
, Gokasho, Uji, Kyoto 611-0011, Japane-mail: [email protected]
J. Dyn. Sys., Meas., Control. Mar 2011, 133(2): 021005 (10 pages)
Published Online: February 11, 2011
Article history
Received:
February 23, 2009
Revised:
January 12, 2010
Online:
February 11, 2011
Published:
February 11, 2011
Citation
Azuma, S., Minami, Y., and Sugie, T. (February 11, 2011). "Optimal Dynamic Quantizers for Feedback Control With Discrete-Level Actuators: Unified Solution and Experimental Evaluation." ASME. J. Dyn. Sys., Meas., Control. March 2011; 133(2): 021005. https://doi.org/10.1115/1.4002952
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