A Compensation Technique for Smooth Transitions in Non-inverting Buck-Boost Converter

Lee, Young‐Joo; Khaligh, Alireza; Emadi, Ali

doi:10.1109/apec.2009.4802721

Cited by 38 publications

(20 citation statements)

References 16 publications

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“…The small-signal transfer function of the output voltage in order to control input for buck mode is expressed as follows [5]: and for the boost operation, the transfer function is as follows [5]:…”

Section: Linearized Averaged State Space Modelmentioning

confidence: 99%

“…The transfer function finds the relation between the capacitor's voltage, control input, and chaos input in both buck (1) and boost modes (2) as follows [5]:…”

Section: Linearized Averaged State Space Modelmentioning

confidence: 99%

“…In addition, non-inverting buck-boost converter is able to be used in 43 three different separate operation modes, i.e. buck (only S1 is switched within one switching period), boost (only S2 is switched within one switching period), and buck-boost (both S1 and S2 are switched) [4][5][6].…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Design An Optimal T-s Fuzzy Pi Controller For A Non-inverting Buck-boost Converter

Almasi¹,

Fereshtehpoor²,

Zargari³

et al. 2014

J. Math. Computer Sci.

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Section: Linearized Averaged State Space Modelmentioning

confidence: 99%

“…The transfer function finds the relation between the capacitor's voltage, control input, and chaos input in both buck (1) and boost modes (2) as follows [5]:…”

Section: Linearized Averaged State Space Modelmentioning

confidence: 99%

See 1 more Smart Citation

Design An Optimal T-s Fuzzy Pi Controller For A Non-inverting Buck-boost Converter

Almasi¹,

Fereshtehpoor²,

Zargari³

et al. 2014

J. Math. Computer Sci.

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“…The cascaded buck-boost converter with two switches, known as the non-inverting buck-boost converter, has been used to regulate the variable input voltage and have non polarity inversion at the output with regards to the input voltage [42,49,50,51,52,53,54,55,56]. This structure generates the direct path for the power ow from the input to the converter, and the losses at the inductor are at a minimum [43,49].…”

Section: Dc-dc Converter As Power Conditioning In Energy Conversionmentioning

confidence: 99%

Energy recovery from landing aircraft

Zulkifli¹

2012

2012 3rd IEEE International Symposium on Power Electronics for Distributed Generation Systems (PEDG)

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Currently, renewable energy sources are the main driver for future electricity generation. This trend is growing faster in the developed countries in order to reduce the green house e ect and also in response to the limited supply of oil, gas and coal which are currently the major sources for electric generation. For example, the main renewable energy sources are from wind energy and solar energy but these energies are only available to those countries that are exposed to these resources. In this thesis an alternative energy source is investigated where it can be generated from the moving objects or in form of kinetic energy. The idea is to convert the kinetic energy during landing aircraft into electrical energy which it can also be stored and transferred to the existing electrical network. To convert this kinetic energy to electrical energy, the linear generator (LG) and uncontrolled recti er have been used for energy conversion. The LG have been modelled in 3-phase model or in dq model and combined with the diode recti er that is used to generate the dc signal outputs. Due to the uncontrolled recti er the electrical outputs will have decaying amplitude along the landing time. This condition also happen to the LG outputs such as the force and the power output. In order to control these outputs the cascaded buck-boost converter has been used. This converter is responsible to control the output current at the recti er and also the LG output power during landing to more controllable power output. Here, the H ∞ current control strategy has been used as it o ers a very good performance for current tracking and to increase the robustness of the controller. During landing huge power is produced at the beginning and when the landing time is increased, the generated input power from LG is reduced to zero. Due to this, the energy storage that consits of ultracapacitor, bidirectional converter and boost converter are usedin order to store and to release the energy depends on the input power source and load grid power. The voltage proportional-integral (PI) control strategy has been used for both the converters. The last part is to transfer the energy from the source and at the ultracapacitor to the load by using the inverter as the processing device. The power controller and current controller are used at the inverter in order to control the power ow between the inverter and the grid. This is when the reference power is determined from the load power in order to generate the reference current by using the voltage oriented controller (VOC), while the H ∞ current controller is used to regulate the inverter current in order to inject the suitable amount of current that refer to the load power. Finally, a complete energy recovery system for landing aircraft with the grid connection have been put together to make the whole system to be as a new renewable energy source for the future electricity generation.

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“…Due to wide range of external charging power supply output voltage as well as the requirement of the conversion and use of power supply energy between various devices [1 -3], buck converter or boost converter is needed to serve as a switching circuit for battery charging system [4,5]. Given the wide input and output voltage range, single inductor four-switch Buck-Boost (FSBB) converter features simpler circuit, less devices and higher efficiency comparing with traditional buck-boost, Cuk, Zeta, SEPIC and other converters, which makes it not only suitable for portable electronics but also widely used in telecom power system, battery powered system and PFC power supply [6 -8].…”

Section: Introductionmentioning

confidence: 99%

Modeling and Controlling Strategy of Four-Switch Buck-boost Convertor with Smooth Mode Transitions

Zhang¹,

Lin²,

Zhang³

et al. 2017

TOEEJ

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Four-switch synchronous buck-boost (FSBB) converter is much suitable for battery management system for its characteristic of wide input voltage range, high efficiency, and positive voltage output. A three mode control scheme with two modulation signals and one carrier can be adopted to achieve the smooth transition among modes. Using feed forward voltage mode control, the input voltage information is injected into the control loop to prevent the disturbance effect on the output voltage through making input voltage construct the carrier signal. High efficiency is gained when the converter is operating in pulse skip mode in light load. The operating mode smooth transition and stability could be achieved by modeling the converter and designing the compensation. Finally, a power prototype was fabricated to validate the validity of the control strategy.

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A Compensation Technique for Smooth Transitions in Non-inverting Buck-Boost Converter

Cited by 38 publications

References 16 publications

Design An Optimal T-s Fuzzy Pi Controller For A Non-inverting Buck-boost Converter

Design An Optimal T-s Fuzzy Pi Controller For A Non-inverting Buck-boost Converter

Energy recovery from landing aircraft

Modeling and Controlling Strategy of Four-Switch Buck-boost Convertor with Smooth Mode Transitions

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