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This paper highlights the digital control problems and issues during the controller design and suggests the solutions to resolve them. For this purpose, digital controller designed on the basis of digital redesign or emulation technique is applied to a buck converter working in continuous conduction mode. Nonlinearities due to the ADC and DAC quantizers, loop-delay, etc. are introduced into the control...
This paper describes the design, simulation, optimisation and implementation of a 1-Degree-of-Freedom (1-DOF) discrete PID controller for the buck converter working in Continuous Conduction Mode (CCM) based on Field Programmable Gate Array (FPGA) device. The converter operates at a switching frequency of 500 KHz. The elaborated PID control algorithm takes advantage of the conjugation of Xilinx ISE...
This paper describes the fuzzy logic based robust pole-placement controller for the buck converter working in Continuous Conduction Mode (CCM). The converter operates at a switching frequency of 500 KHz. Pole-placement controller does not show good robustness to the load variations and the change in supply and reference voltages. In order to improve the static and dynamic properties, pole-placement...
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