Study of the Control Performance of First Category Thermotechnical Objects by Making Use of an Active Disturbance Rejection Controller

Active disturbance rejection controllers exhibit a very strong adaptability and robustness in a majority of uncertainty systems and in the presence of a strong disturbance in the systems.Based on the control ability of the ARDC,the problems to employ second order active disturbance rejection controllers to control the first category thermotechnical objects with a high order large time delay were studied.The theoretical analysis and numerical simulation results show that the second order ARDC can effectively control the objects of the kind and the control effectiveness is also very ideal,displaying a relatively good adaptability and robustness to the disturbance from the outside and uncertain factors of the model.To a certain extent,there existed no so-called mismatch problems of the model,fully displaying the merits of non-linear controllers and providing a definite practical value for engineering projects.