Title :
Adaptive friction compensation for induction motors with inertia and load uncertainties
Author :
Tan, Yaolong ; Chang, Jie ; Tan, Hualin
Author_Institution :
Dept. of Electr. Eng., California Univ., Los Angeles, CA, USA
Abstract :
An adaptive friction compensation scheme is presented in this paper to compensate the dynamic friction as well as the inertia variation and load disturbance that exist in the induction motor drives. A third-order linear dynamic model is used for the induction motor drives while the LuGre dynamic friction model with nonuniform friction force variations characterizes the friction force between the contact surfaces. Parametric uncertainties are assumed to capture the variations. Thus, the update laws are designed to estimate the unknown system parameters. The system stability and asymptotic position tracking performance are guaranteed by the Lyapunov function and are shown through the simulation results
Keywords :
Lyapunov methods; adaptive control; compensation; friction; induction motor drives; machine control; parameter estimation; stability; tracking; uncertain systems; LuGre dynamic friction model; Lyapunov function; adaptive friction compensation; asymptotic position tracking performance; dynamic friction; induction motors; inertia uncertainties; inertia variation; load disturbance; load uncertainties; nonuniform friction force variations; system stability; third-order linear dynamic model; unknown system parameters; Friction; Induction motor drives; Induction motors; Linear feedback control systems; Nonlinear dynamical systems; Power system reliability; Programmable control; Rotors; Torque; Uncertainty;
Conference_Titel :
American Control Conference, 2000. Proceedings of the 2000
Conference_Location :
Chicago, IL
Print_ISBN :
0-7803-5519-9
DOI :
10.1109/ACC.2000.878973
