Reduction of Quantization Error in Multirate Output Feedback Control | Zendy

Takao Satô | Zendy; Hironobu Sakaguchi | Zendy; Nozomu Araki | Zendy; Yasuo Konishi | Zendy

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Reduction of Quantization Error in Multirate Output Feedback Control

Author(s) -

Takao Satô,

Hironobu Sakaguchi,

Nozomu Araki,

Yasuo Konishi

Publication year - 2016

Publication title -

journal of robotics and mechatronics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.257

H-Index - 19

eISSN - 1883-8049

pISSN - 0915-3942

DOI - 10.20965/jrm.2016.p0640

Subject(s) - quantization (signal processing) , control theory (sociology) , output feedback , computer science , control system , state variable , interval (graph theory) , minor loop feedback , sampling interval , feedback control , variable (mathematics) , control engineering , control (management) , mathematics , algorithm , engineering , statistics , artificial intelligence , physics , combinatorics , electrical engineering , thermodynamics , mathematical analysis

[abstFig src='/00280005/04.jpg' width='250' text='Multirate output feedback control' ] In the new design method we propose for a multirate output feedback control system, the hold interval of control input is longer than the sampling interval of plant output. In this system, unknown state variables are calculated using control input and plant output without observers. The multirate output feedback control system has been extended by introducing new design parameters that are designed independent of the calculation of the state variable. To our knowledge, however, no systematic design scheme has ever been proposed for design parameters in this case. In this study, quantization error is dealt with statistically and design parameters are decided to minimize quantization error.

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