Non-linear time-delay robust control for steam turbine generator units

2016 ◽  
Author(s):  
Kaixuan Zhang ◽  
Ruiye Liu ◽  
Zhizhong Guo
Keyword(s):  
Time Delay ◽  
Robust Control ◽  
Steam Turbine ◽  
Linear Time ◽  
Turbine Generator ◽  
Non Linear

Global practical tracking by output feedback for a class of non-linear time-delay systems

2015 ◽  
Vol 33 (4) ◽  
pp. 1067-1080 ◽  
Author(s):  
Xianglei Jia ◽  
Shengyuan Xu ◽  
Qian Ma ◽  
Zhidong Qi ◽  
Yun Zou
Keyword(s):  
Time Delay ◽  
Output Feedback ◽  
Linear Time ◽  
Delay Systems ◽  
Time Delay Systems ◽  
Non Linear

The approximate solution of non-linear time-delay fractional optimal control problems by embedding process

2018 ◽  
Vol 36 (3) ◽  
pp. 713-727 ◽  
Author(s):  
E Ziaei ◽  
M H Farahi
Keyword(s):  
Optimal Control ◽  
Time Delay ◽  
Fractional Derivative ◽  
Optimal Control Problems ◽  
Linear Time ◽  
Control Problems ◽  
Linear Dynamical Systems ◽  
Fractional Optimal Control ◽  
Non Linear ◽  
Fractional Optimal Control Problems

Abstract In this paper, a class of time-delay fractional optimal control problems (TDFOCPs) is studied. Delays may appear in state or control (or both) functions. By an embedding process and using conformable fractional derivative as a new definition of fractional derivative and integral, the class of admissible pair (state, control) is replaced by a class of positive Radon measures. The optimization problem found in measure space is then approximated by a linear programming problem (LPP). The optimal measure which is representing optimal pair is approximated by the solution of a LPP. In this paper, we have shown that the embedding method (embedding the admissible set into a subset of measures), successfully can be applied to non-linear TDFOCPs. The usefulness of the used idea in this paper is that the method is not iterative, quite straightforward and can be applied to non-linear dynamical systems.

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