Nonlinear Simulation on Parallel Drive System of Double Switched Reluctance Machines

The paper presented a control scheme for parallel drive system of double Switched Reluctance machines. The fuzzy control algorithm is adopted in the main controller for closed-loop rotor speed control of main machine. The sliding mode control algorithm is adopted in the subordinate controller for synchronized rotor speed and loads equilibrium distribution between main machine and subordinate machine. The deviation between the given rotor speed and the feedback rotor speed of the main machine, the variation from the deviation of the rotor speed are the input parameters of the main fuzzy controller. The duty ratio of pulse width modulation signal of the main controller can be gained by the fuzzy control algorithm. The deviation between the average values of DC bus supply current for main power converter and the average values of DC bus supply current for subordinate power converter, and the deviation between the actual rotor speed of the main machine and the subordinate machine are the input parameters of the subordinate VSS controller. The duty ratio of pulse width modulation signal of the subordinate VSS controller can be gained by the sliding mode control algorithm. The nonlinear simulation results of the system based on MATLAB-Simulink show that the advanced scheme is satisfied with the requirement for storage battery electric locomotives driven by the parallel drive system of double Switched Reluctance machines.