Optimal control of unstable input/output time-delayed systems

2011 ◽  
Vol 33 (4) ◽  
pp. 445-460 ◽  
Author(s):  
Pedro Albertos ◽  
Pedro García
Keyword(s):  
Optimal Control ◽  
Input Output ◽  
Delayed Systems ◽  
Output Time

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

An Input-Output Optimal Control Model under Uncertain Influence and its Solution

2012 ◽  
Vol 433-440 ◽  
pp. 2974-2979
Author(s):  
Shu Rong Li ◽  
Feng Wang ◽  
Xiao Yu He
Keyword(s):  
Optimal Control ◽  
Coefficient Matrix ◽  
Control Model ◽  
Chance Constrained Programming ◽  
State Variables ◽  
Input Output ◽  
Bound Constraints ◽  
Uncertain Model ◽  
Calculation Results ◽  
Constrained Programming

An input-output optimal control model is established under uncertain influence in environment. The objective function, terminal constraint of state variables and bound constraints of control variables are considered with fuzziness. The direct consumption coefficient matrix and investment coefficient matrix are regarded as stochastic variables. Membership function and chance constrained programming are applied to convert the uncertain model to a definite one. Penalty function and Particle Swarm Optimization are used to solve the model. The calculation results of an example demonstrate that the uncertain model has more practical value to decision makers compared to a definite one.

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