Title :
Nonlinear PID control with partial state knowledge: design by quadratic programming
Author :
Armstrong, Brian ; Wade, Bruce A.
Author_Institution :
Dept. of Electr. Eng. & Comput. Sci., Wisconsin Univ., Milwaukee, WI, USA
Abstract :
Nonlinear PID (NPID) control is implemented by allowing the controller gains to vary as a function of system state. NPID controllers will in general depend on knowledge of the full state vector. In this work, NPID controllers which operate without knowledge of some state variables are demonstrated. A general but conservative design method is presented with an experimental demonstration. For a special case, complete necessary and sufficient conditions are established
Keywords :
Lyapunov methods; control system synthesis; nonlinear control systems; quadratic programming; stability; three-term control; complete necessary and sufficient conditions; conservative design method; nonlinear PID control; partial state knowledge; Control systems; Design methodology; Linear systems; Mathematics; Nonlinear control systems; Pi control; Proportional control; Quadratic programming; State-space methods; Three-term control;
Conference_Titel :
American Control Conference, 2000. Proceedings of the 2000
Conference_Location :
Chicago, IL
Print_ISBN :
0-7803-5519-9
DOI :
10.1109/ACC.2000.876603
