Robust Variance Control Algorithm for the Dish Solar Generation Tracking System

The problem of strong winds with sands is encountered in the application environment of the dish solar thermal power technology. This chapter presents the modeling robust variance control (RVC) of the dish solar generation tracker. The structure and the operation principle of the dish solar tracking system are discussed. On this basis, the state space model of tracking servo system with the random disturbances of wind load and system parameter uncertainties is built. In order to overcome the disturbances and uncertainty, the robust variance constraints algorithm is applied to the tracking system in the form of the state feedback matrix. This chapter also analyzes the influence of circle centre location which is the key design parameter of the robust variance control on the output angle variance. Compared with the existing results, the simulation results show that the robust variance control has better robustness and higher control accuracy.