Title :
Design of worst spatial distribution of disturbances for a class of parabolic partial differential equations
Author :
Demetriou, Michael A. ; Borggaard, Jeff
Author_Institution :
Dept. of Mech. Eng., Worcester Polytech. Inst., MA, USA
Abstract :
The aim of the present research study is to provide a computational framework for computing worst-case distributed disturbances for distributed parameter control problems. This algorithm couples constrained optimization along with robustness measures for the control problem. We describe the algorithm utilizing a parabolic partial differential equation with variable dissipation coefficients. Numerical results demonstrate the ability of the algorithm to find spatial locations where disturbances have maximal influence on the system.
Keywords :
control system synthesis; distributed parameter systems; optimisation; parabolic equations; partial differential equations; constrained optimization; distributed parameter control; parabolic partial differential equations; spatial distribution; variable dissipation coefficients; worst-case distributed disturbances; Actuators; Controllability; Distributed computing; Distribution functions; Eigenvalues and eigenfunctions; Mechanical engineering; Partial differential equations; Riccati equations; Robust control; Sensor systems;
Conference_Titel :
American Control Conference, 2005. Proceedings of the 2005
Print_ISBN :
0-7803-9098-9
Electronic_ISBN :
0743-1619
DOI :
10.1109/ACC.2005.1470583