| Summary: | 碩士 === 淡江大學 === 電機工程學系碩士班 === 95 === Switching power converters are important devices indispensable to a variety of electronic products. The advantages of these devices are energy saving and high efficiency. The input voltage fluctuations, load variations as well as parametric uncertainty are the major factors which would affect the steady voltage output performance of the switching power converters. Robust control theory is one of the powerful methodologies to deal with the sorts of problems. However, little research results have been found on the design and implementation of robust controllers by the theory for the power converters. Therefore, this thesis deals with the design of robust controllers for DC-DC Buck converters, using CPLD (Complex Programmable Logic Devices) to realize the system in order to validate the effectiveness of the proposed method. This thesis addresses the design problem, provides the solution, and performs hardware implementation in a systematic way. Specifically, it consists of converter model derivation, numerical simulation, robust controller design and hardware implementation.
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