Development of Neuro Controller for Negative Output Self-Lift Luo Converter

Kayalvizhi, R.; Natarajan, S. P.; Padmaloshani, P.

doi:10.1109/iciea.2006.257355

Cited by 10 publications

(4 citation statements)

References 7 publications

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“…technique has been developed by F.L. Luo [32][33][34][35][36][37][38][39][40][41]. The main objective is to construct novel DC-DC topologies which can reach high efficiency and high power density with Switched-Capacitor (SC) converters can also provide higher voltage transfer gains than the conventional topologies.…”

Section: Recent Years An Advanced Dc-dc Conversion Enhancement Methodmentioning

confidence: 99%

“…In this chapter, the concept of the Voltage-Lift (VL) technique [32][33][34][35][36][37][38][39][40][41][42][43] POEL converter is then integrated with this series of SI cells as an example for four-order converters to demonstrate the circuit characteristics of the described VL-type SI cells.…”

Section: Introductionmentioning

confidence: 99%

“…Small volume of capacitors makes it easy to add more capacitors to get even steeper step-down voltage conversion ratio. N-Switched-Capacitor buck converter in this chapter can further step down the line voltage, which is inspired by the Voltage-Lift technique [32][33][34][35][36][37][38][39][40][41][42][43]. The two-Switched-Capacitor buck converter is already analyzed in [51], as for consistency, it is still shown here.…”

Section: Introductionmentioning

confidence: 99%

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Advanced control methods and topologies for DC-DC power conversion

Jiao¹

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Power conversion technology has been used in a great variety of products in modern society, such as industrial equipment, computers, communication devices, aerospace electronics, portable electronics devices and etc. The corresponding equipment can be divided into four groups, AC-AC converters, AC-DC rectifiers, DC-DC converters and DC-AC inverters. The production of DC-DC converters gets large percentage of the total turnover of all conversion equipment production. Study of DC-DC converters has always been a hot research area due to many reasons which include (1) the technical challenges keep coming due to the wide application of DC-DC converters, and (2) they are highly nonlinear systems which increase the difficulty for modeling and control. Modeling and control are two important issues when a DC-DC converter is being investigated. In this thesis, generalized state-space modeling, especially reduced-order state-space modeling method, is used to describe the main characteristics of the advanced DC-DC converters. Sliding Mode (SM) control, as a variable structure control, is very suitable for DC-DC converters which are variable structures basically. An improved SM controller is designed and applied to positive output super-lift converter. The theoretical analysis and experimental results show the improved SM controller can largely suppress the output voltage error and get satisfactory steady state and transient performances. In the traditional DC-DC converters (buck, boost, Ćuk, SEPIC…), the effect of parasitic elements comes into picture at high duty cycle U, so the practical value of U has an upper limit. It is difficult to operate at high duty cycles and hence to achieve high voltage transfer gains in those traditional DC-DC converters mentioned above. A stepdown or step-up transformer used in the converters can cause switching surges. Cascade connection of two or more traditional converters has the difficulty of the control because of multiple switches in different stages besides the increased power loss increase. With the fast development of technologies, this disadvantage limits the further applications of those Summary vi traditional converters in some areas that require higher voltage transfer gains such as renewable energy systems. Therefore, an in-depth research on advanced DC-DC power conversion topologies used in renewable energy systems is the main part of this thesis. Compared to the traditional converters with simple structures, advanced DC-DC converters are named because they usually have higher-order structures with new techniques involved, such as Voltage-Lift (VL) technique, Switched-Inductor (SI) Switched-Capacitor (SC) structures. Voltage-Lift (VL) technique is an effective method that is widely applied in electronic circuit design, especially in the radio engineering. It also can be utilized to improve the performance and characteristics of DC-DC converters. A set of Voltage-Lift Split-Inductor-type boost converters is described in this thesis, which can get much higher stepup voltage trans...

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Section: Recent Years An Advanced Dc-dc Conversion Enhancement Methodmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Advanced control methods and topologies for DC-DC power conversion

Jiao¹

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“…In recent years an advanced dc-dc conversion enhancement method, voltage lift (VL) technique has been proposed by F.L. Luo [48][49][50][51][52][53][54][55][56][57]. The main objective is to construct the novel dc-dc topologies which can reach a high efficiency, high power density and simple structures.…”

Section: Review Of the High Performance Dc-dc Convertersmentioning

confidence: 99%

Advanced DC-DC power conversion topologies and mathematical analytical methods

Zhu¹

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Circuit analysis in DCM 30 2.4 Multiple-Lift Circuit 2.4.1 General analysis 2.4.2 Steady-state performance summary 2.5 General Guidelines of Parameters Selection 2.6 Simulation and Experimental Results 2.6.1 Simulation verification of the self-lift circuit in CCM 2.6.2 Simulation verification of the self-lift circuit in DCM 2.6.3 Experimental results of the self-lift circuit 2.6.4 Simulation verification of the re-lift circuit in CCM 2.6.5 Simulation verification of the re-lift circuit in DCM 2.6.6 Experimental results of the re-lift circuit Chapter 3 Negative Output VL-type Cuk Converters 3.

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Soft Switching of Negative-Output KY Buck Converter

Hwu

Yau

2009

2009 Twenty-Fourth Annual IEEE Applied Power Electronics Conference and Exposition

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Development of Neuro Controller for Negative Output Self-Lift Luo Converter

Cited by 10 publications

References 7 publications

Advanced control methods and topologies for DC-DC power conversion

Advanced control methods and topologies for DC-DC power conversion

Advanced DC-DC power conversion topologies and mathematical analytical methods

Soft Switching of Negative-Output KY Buck Converter

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