Discrete sliding mode control method of three-port flexible multi-state switch

The invention discloses a discrete sliding mode control method of a three-port flexible multi-state switch. The method comprises the following steps: 1, establishing a mathematical model of the three-port flexible multi-state switch; 2, designing a discrete sliding mode controller; 3, analyzing the system stability, and selecting sliding mode control parameters; and 4, applying the designed discrete sliding mode controller to the three-port flexible multi-state switch. The discrete sliding mode control method is applied to the three-port flexible multi-state switch, so that the system has gooddynamics and robustness, and a new solution is provided for the application of the three-port flexible multi-state switch in a power distribution network. 本发明公开了一种三端口柔性多状态开关的离散滑模控制方法，其步骤包括：1.建立三端口柔性多状态开关的数学模型；2.设计离散滑模控制器；3.分析系统稳定性以及选取滑模控制参数；4.将设计的离散滑模控制器应用于三端口柔性多状态开关。本发明通过将离散滑模控制方法应用于三端口柔性多状态开关，使系统具有良好的动态性与鲁棒性，从而为三端口柔性多状态开关在配电网中的应用提供新的解决方案。