Two Degree of Freedom Nonlinear Robust Control of Electromechanical Servo Systems for Improved Accuracy

Two degree of freedom multiobjective nonlinear robust control method by nonlinear electromechanical servo system with uncertain plant parameters is developed. The Hamilton-Jacobi-Isaacs equations solution is used in the multiobjective synthesis of nonlinear robust controllers and nonlinear robust observers. Synthesized two degree of freedom nonlinear robust electromechanical servo system dynamic characteristics modeling end experimental researching results for system operation various modes with different input signals and for various plant parameters values are given.