Design of zero-order dynamics controller and 10 MHz current mode controller for DC-DC converter영차 동적 특성을 가지는 제어기 및 10 MHz 전류 모드 제어기의 설계

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dc.contributor.advisorCho, Gyu-Hyeong-
dc.contributor.advisor조규형-
dc.contributor.authorKong, Tae Hwang-
dc.contributor.author공태황-
dc.date.accessioned2017-03-29T02:48:58Z-
dc.date.available2017-03-29T02:48:58Z-
dc.date.issued2014-
dc.identifier.urihttp://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=657469&flag=dissertationen_US
dc.identifier.urihttp://hdl.handle.net/10203/222364-
dc.description학위논문(박사) - 한국과학기술원 : 전기및전자공학과, 2014.2 ,[ii, 67 p. :]-
dc.description.abstractIn Chapter 1, zero-order controls for boost converter are challenging due to the difficulties in reduc-ing dynamics of converter coming from the output loading effect. To eliminate output loading effect, output voltage is controlled by comparator. However, comparator control cannot guarantee the stable operation in steady-state. To overcome this limitation, the zero-order control using sawtooth is proposed. Analysis and Experiments for a 3.7 V input, 8V -0.3A output converter demonstrated its validity. In Chapter 2, current mode controls for synchronous buck converter at 10 MHz are challenging due to the difficulties in sensing inductor current. To sense inductor current even at 10 MHz, quadratic current sensor is proposed. Also, to guarantee a stable and accurate operation of the buck converter, high speed comparator using two cross-coupled positive feedback is proposed. Experiments for a 3.7 V input, 2V -0.4A output converter demonstrated its validity.-
dc.languageeng-
dc.publisher한국과학기술원-
dc.subjectDC-DC converter-
dc.subjectzero-order dynamics-
dc.subjectload independent control-
dc.subjecthigh frequency switching-
dc.subjectcurrent sensor-
dc.subjecton-chip controller-
dc.subjecthigh speed comparator-
dc.subject직류-직류 변환기-
dc.subject영차 동적 특성-
dc.subject부하 독립적 제어-
dc.subject고주파 스위칭-
dc.subject전류 센서-
dc.subject온칩 제어기-
dc.subject빠른 속도를 가지는 비교기-
dc.titleDesign of zero-order dynamics controller and 10 MHz current mode controller for DC-DC converter-
dc.title.alternative영차 동적 특성을 가지는 제어기 및 10 MHz 전류 모드 제어기의 설계-
dc.typeThesis(Ph.D)-
dc.identifier.CNRN325007-
dc.description.department한국과학기술원 :전기및전자공학과,-
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EE-Theses_Ph.D.(박사논문)
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