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maximum duty-cycle control

Sliding   Mode  MPPT   Based Control For a Solar Photovoltaic system

Sliding   Mode  MPPT   Based Control For a Solar Photovoltaic system

... track maximum power point. There is a difficulty in tracking the maximum power point of the photovoltaic system due to nonlinearity of the I-V characteristics which is dependent of the temperature and ...

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A new fuzzy-based maximum power point tracker for photovoltaic applications

A new fuzzy-based maximum power point tracker for photovoltaic applications

... the maximum power point of the solar panel based on PWM signal generated by control ...· Control unit - a personal computer, A/D and D/A converters card, interface circuits and a fuzzy controller ...

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Dual Maximization Of Power In A Solar Photovoltaic System

Dual Maximization Of Power In A Solar Photovoltaic System

... the duty cycle of the converter using modified Incremental Conductance algorithm to enable the PV array operate at maximum operating power at all ...proposed control scheme eliminates ...

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SEPIC FOR MAXIMUM POWER EXTRACTION FROM SOLAR PANEL

SEPIC FOR MAXIMUM POWER EXTRACTION FROM SOLAR PANEL

... the duty cycle of the control ...any duty cycle from 0 to ...considering maximum duty cycle equal to one and ...

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Modeling and Analysis of a Maximum Power Point Tracking Control for Double Stage Solar Photovoltaic Grid Connected Systems

Modeling and Analysis of a Maximum Power Point Tracking Control for Double Stage Solar Photovoltaic Grid Connected Systems

... the duty cycle of the boost converter and to increase the efficiency of the photovoltaic panel, Perturb and Observe Method(P&O), Incremental Conductance(IC) and Fuzzy Logic Control(FLC) ...

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Comparison between IC and Fuzzy Logic MPPT Algorithm Based Solar PV System using Boost Converter

Comparison between IC and Fuzzy Logic MPPT Algorithm Based Solar PV System using Boost Converter

... the maximum power point (MPPT) of the solar ...intelligent control methods in order to optimize the efficiency of the solar PV ...the duty cycle of switch ...the duty cycle of ...

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Maximum Power Point Tracking Using State-dependent Riccati equation based Model Reference Adaptive Control

Maximum Power Point Tracking Using State-dependent Riccati equation based Model Reference Adaptive Control

... 2) The performance of ESDRE: To demonstrate the independent performance of the ESDRE, a study comparative between in the presence of ESDRE block, in the absence of ESDRE block and the theoretical MPP voltage is displayed ...

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Vitreous flow rates through dual pneumatic cutters: effects of duty cycle and cut rate

Vitreous flow rates through dual pneumatic cutters: effects of duty cycle and cut rate

... cut cycle time (ie, a reduction in duty cycle) and reduces flow ...limited control over duty ...to control opening and closing of the cutter, resulting in several duty ...

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Low cost all digital duty cycle corrector

Low cost all digital duty cycle corrector

... To improve the delay line resolution, the FDL is added. The FDL is composed of two parallel connected tristate buffer arrays operating as an interpolator circuit. The propagation delay of the FDLis controlled by the ...

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Maximum Power Point tracking algorithms for solar power system Review

Maximum Power Point tracking algorithms for solar power system Review

... global maximum point under both partial shading condition and load variation with fast response in tracking ...multi duty cycle control method that efficiently uses the periodic PV ...

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Research on Maximum Power Point Algorithm Based on Adaptive Duty Cycle

Research on Maximum Power Point Algorithm Based on Adaptive Duty Cycle

... the maximum output power from the PV panel with the decrease of production ...novel control algorithms to track the maximum power ...used control algorithm is based on perturbation and ...

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Improved junction 
		temperature measurement for high power LED

Improved junction temperature measurement for high power LED

... of duty cycle to the peak wavelength and forward voltage are shown in ...every duty cycle since higher heat dissipation is produced at higher duty cycle and causes junction ...

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Study on Solar Power Charging by Flyback Converter

Study on Solar Power Charging by Flyback Converter

... current feedback circuit is added for better system stability. In addition, the system is able to monitor the battery voltage and the current that charged the coupling inductor, and featured automatic control of ...

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Development of Hybrid MPPT Algorithm for Maximum Power Harvesting under Partial Shading Conditions

Development of Hybrid MPPT Algorithm for Maximum Power Harvesting under Partial Shading Conditions

... the duty cycle of the switch in DC-DC con-verter for regulating the input voltage at the Maximum power point (MPP) and to provide im-pedance matching ...the maximum power ...track ...

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Remarkable muscles, remarkable locomotion in desert-dwelling wildebeest

Remarkable muscles, remarkable locomotion in desert-dwelling wildebeest

... 4. Maximum enthalpy efficiency (max ε) value for muscle fibre bundles from wildebeest and ...the duty cycle and phase at which it was produced and the net work, enthalpy, power and enthalpy rate ...

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Optimization of Surface Roughness in Electric Discharge Machining on High Carbon High Chromium Steel with Copper Tool

Optimization of Surface Roughness in Electric Discharge Machining on High Carbon High Chromium Steel with Copper Tool

... It is the process of finding the minimum or maximum of a function by systematically choosing the values of the variables from within set which allowed. Objective functions are those functions which have to be ...

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Vol 7, No 1 (2013)

Vol 7, No 1 (2013)

... called duty cycle. Duty cycle can be defined as the ratio of the node active period to the lifetime of the ...as duty cycling. The duty cycle and node radio ON time are ...

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EFFECT OF TEMPERATURE AND SONICATION ON THE EXTRACTION OF GALLIC ACID FROM LABISIA PUMILA (KACIP FATIMAH)

EFFECT OF TEMPERATURE AND SONICATION ON THE EXTRACTION OF GALLIC ACID FROM LABISIA PUMILA (KACIP FATIMAH)

... This work focused on examining the effects of ultrasound on the Labisia pumila extraction. Sonication regimens which could influence a process relative to control were identified (model system are using a water). ...

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Pulsed bias effect on roughness of TiO2:Nb films deposited by grid assisted magnetron sputtering

Pulsed bias effect on roughness of TiO2:Nb films deposited by grid assisted magnetron sputtering

... duty cycle from 30% up to 70%. Besides that, others rutile peaks of very low intensity (101), (200), (111), (211) and (220) are also identified. The (111) and (200) peaks cor- respond to the iron alpha ...

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Hybrid Z-Source DC-DC Converter with ZVZCS and Power Transformer Resetting: Design, Modeling, and Fabrication

Hybrid Z-Source DC-DC Converter with ZVZCS and Power Transformer Resetting: Design, Modeling, and Fabrication

... switches are turned on and off. By making ZVZCS condition, a higher efficiency is created. It is also possible to increase the duty cycle to more than 50 percent. In this regard, in Section 2 the new ...

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