H∞ Controller for Buck Boost Converter

In this paper the focal objective is to design robust voltage controller for a DC-DC converter and discourse the problem of output feedback H∞ controller with multiple parameter uncertainty for a buck boost converter connected with BLDC Motor. The converter output voltage depends on the magnitude of duty cycle. Using H∞ voltage controller is considered. This leads to synthesis of controller and to achieve stabilization and guaranteed performance. Theoretical evaluates and simulation outcomes reveal the rationality and efficiency of the recommended control structure.