Development Simulink-model for Solving the Problem of Analysis and Synthesis of Nonlinear Automatic Control Systems

The article discusses the solution of two problems in Matlab/Simulink. The first is the analysis of nonlinear automatic control systems. The second is the parametric synthesis of nonlinear automatic control systems by the orthogonal projections method, which degenerates into solving a nonlinear programming problem (search for an algebraic objective function extremum). Solving the second problem allows you to visually form an algebraic objective function using the Matlab/Simulink interactive environment.