Digital Controller Design for Analog Systems Represented by Multiple Input–Output Time-Delay Transfer Function Matrices with Long Time Delays

2012 ◽  
Vol 31 (5) ◽  
pp. 1653-1676 ◽  
Author(s):  
Hsun-Pang Wang ◽  
Xiaohui Gu ◽  
Linbo Xie ◽  
Leang-San Shieh ◽  
Jason S. H. Tsai ◽  
...  
Keyword(s):  
Time Delay ◽  
Transfer Function ◽  
Time Delays ◽  
Controller Design ◽  
Digital Controller ◽  
Input Output ◽  
Multiple Input ◽  
Long Time ◽  
Output Time ◽  
Analog Systems

scholarly journals A Design Method for Robust Stabilizing Modied Repetitive Controllers for Multiple-Input/Multiple-Output Time-Delay Plants with Specied Input-Output Characteristic

1970 ◽  
Vol 8 (1) ◽  
pp. 25-35
Author(s):  
Yun Zhao ◽  
Kou Yamada ◽  
Tatsuya Sakanushi ◽  
Satoshi Tohnai
Keyword(s):  
Control System ◽  
Time Delay ◽  
Multiple Input Multiple Output ◽  
Repetitive Control ◽  
Output Characteristic ◽  
Input Output ◽  
Multiple Input ◽  
Input Multiple Output ◽  
Output Time ◽  
Reference Input

The modified repetitive control system is a type of servomechanism for a periodic reference input. When modified repetitive control design methods are applied to real systems, the influence of uncertainties in the plant must be considered. In some cases, uncertainties in the plant make the control system unstable, even though the controller was designed to stabilize the nominal plant. Recently, Chen et al. propose the parameterization of all robust stabilizingmodified repetitive controllers for multipleinput/ multiple-output time-delay plants. However, using their method, it is complex to specify the lowpass filter in the internal model for the periodic reference input of which the role is to specify the inputoutput characteristic. Because, the low-pass filter is related to four free parameters in the parameterization. To specify the input-output characteristic easily, this paper proposes the parameterization of all robust stabilizing modified repetitive controllers for multiple-input/multiple-output time-delay plants with specified input-output characteristic such that the input-output characteristic can be specified beforehand.

Digital Controller Design Research Based on Series Compensation

2014 ◽  
Vol 1037 ◽  
pp. 294-298
Author(s):  
Yu Chuan Wu ◽  
Zheng Yan Gao Xu ◽  
Shuang Bao Ma
Keyword(s):  
Transfer Function ◽  
Design Research ◽  
Controller Design ◽  
Design Method ◽  
Design Approach ◽  
Digital Controller ◽  
Series Compensation ◽  
Compensation Design

By presetting correcting device transfer function D(z), this paper puts forward series compensation design approach of minimum beat system. Compared with tradition design method, this way is much simpler and easier.

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