Vibration Control System Construction Method without Controlled Object Modeling

Author(s):  
Ansei Yonezawa ◽  
Heisei Yonezawa ◽  
Itsuro Kajiwara
Author(s):  
Osamu Ohnuki ◽  
Kenzo Nonami

Abstract In this paper, a method to realize the motion and vibration control without sensors is proposed. Sensorless control is generally realized by estimating the state of the system from the measured current in the actuator by means of an observer. It is possible to estimate all state variables because of dynamic interaction in the controlled object. Then we realize nonlinear robust control system based on the observer. In this paper, first we formulate sensorless control system. As controlled objects we deal with a multi-degree-of-freedom structure as a vibration control problem and a single link robot arm as a motion control problem, respectively, and we carry out numerical simulations. Moreover, we also verify the possibility of realization of sensorless control by experiments.


2021 ◽  
Vol 18 (1) ◽  
pp. 184-196
Author(s):  
Zhengyue Zhou ◽  
Denghui Liu ◽  
Hong Sun ◽  
Wenbo Xu ◽  
Xinmao Tian ◽  
...  

2013 ◽  
Vol 680 ◽  
pp. 488-494
Author(s):  
Hai Ming Niu ◽  
Zhong Xu Han ◽  
Huan Pao Huang ◽  
Hong Min Zhang

Base on the mathematical model of a common coordinated control system in field of thermal, by analyzing characteristics of the controlled object supercritical once-through boiler coordinated control system, the article puts forward suggestions for improvement, and verifies the results of the analysis by test.


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