Guy Bertrand Tchaya
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View article: Improvement of fuel economy and efficiency in a modified parallel hybrid electric vehicle architecture with wind turbine device: Effect of the external energy source
Improvement of fuel economy and efficiency in a modified parallel hybrid electric vehicle architecture with wind turbine device: Effect of the external energy source Open
This study investigates a novel hybrid electric vehicle architecture integrating a wind energy conversion system to transform part of kinetic energy of the vehicle into electrical energy to ensure real-time recharging of battery. Applicati…
View article: Standard Extended State Observer (SESO) and Sliding Mode Control (SMC) Combined Methods for Estimating States of the Photovoltaic (PV)/Boost Converter/DC Load System Subject to Mismatched Disturbances
Standard Extended State Observer (SESO) and Sliding Mode Control (SMC) Combined Methods for Estimating States of the Photovoltaic (PV)/Boost Converter/DC Load System Subject to Mismatched Disturbances Open
View article: Physical Characterization of Solar Thermal Energy Storage (TES) Materials for Solar Dryers: Case of Volcanic Stone (Pozzolan) in Chad
Physical Characterization of Solar Thermal Energy Storage (TES) Materials for Solar Dryers: Case of Volcanic Stone (Pozzolan) in Chad Open
Many sensible heat storage materials are regularly used as thermal energy storage (TES) systems to improve the efficiency of solar dryers. The present work focuses on the effects of the volume and particle sizes of a volcanic stone (pozzol…
View article: Backstepping Controller Design for Power Quality Improvement in a Two-Stage Grid-Connected Photovoltaic Systems with LCL Filter
Backstepping Controller Design for Power Quality Improvement in a Two-Stage Grid-Connected Photovoltaic Systems with LCL Filter Open
In a grid-connected photovoltaic system, the quality of energy injected by the photovoltaic system into the grid is directly linked to the topology of the inverter used and to the efficiency of its control technique. This paper addresses t…
View article: Study of Water Desorption Isotherms from Cocoa Beans (Theobroma Cacao L.) of Cameroon
Study of Water Desorption Isotherms from Cocoa Beans (Theobroma Cacao L.) of Cameroon Open
The aim of this work was the determination of desorption isotherms from cocoa beans at different temperatures (20°C, 30°C, 35°C, 40°C and 45°C), moisture ratio (10% and 90%). Gravimetric method and different temperatures were used to get t…
View article: Regulation of Temperature on Multitrays in an Indirect Solar Dryer (ISD) with Energy Storage and Three Airflow Modes
Regulation of Temperature on Multitrays in an Indirect Solar Dryer (ISD) with Energy Storage and Three Airflow Modes Open
This work presents the regulation of temperature in an indirect multitrays solar dryer with oriented flux under the irradiance fluctuation. The temperature regulator using a negative temperature coefficient (NTC) as a sensor and fans is de…
View article: Study of Thin-Layer Drying Kinetics of Fermented Cocoa Beans (Theobroma Cacao L) Using Semi-Empirical Models: Determination of Effective Moisture Diffusivity and Activation Energy
Study of Thin-Layer Drying Kinetics of Fermented Cocoa Beans (Theobroma Cacao L) Using Semi-Empirical Models: Determination of Effective Moisture Diffusivity and Activation Energy Open
This study is all about of cocoa beans moisture content behavior and prediction, during drying and experimental determination of effective moisture diffusivity and activation energy of thin-layer. Experiments were carried out on fermented …
View article: Optimization of the power flow of photovoltaic generators in electrical networks by MPPT algorithm and parallel active filters
Optimization of the power flow of photovoltaic generators in electrical networks by MPPT algorithm and parallel active filters Open
View article: Design and Realization of a Mixed Solar Cooker: Application to the Cooking of the Sorghum Wort
Design and Realization of a Mixed Solar Cooker: Application to the Cooking of the Sorghum Wort Open
The depletion of fossil energy and his consumption in cooking as the use of firewood are contributing to increase the problem of climate change. It is urgent to find alternative energy sources to take over the situation when the areas are …
View article: Effect of Indirect Solar Drying by Airflow Orientation on Some Physicochemical Parameters of Mango (Mangifera Indica)
Effect of Indirect Solar Drying by Airflow Orientation on Some Physicochemical Parameters of Mango (Mangifera Indica) Open
View article: Solar Energy Storage in an Indirect Solar Dryer (ISD) with Stone for Drying in Continuous
Solar Energy Storage in an Indirect Solar Dryer (ISD) with Stone for Drying in Continuous Open
olar storage energy using black volcanic stone (pouzzolan) as the absorber in the solar collector of the Indirect Solar Dryer with oriented flux to dry in continuous is investigated. The collector using crushed pouzzolan as absorber is exp…
View article: Thermal performance modelling of solar collector with heat storage
Thermal performance modelling of solar collector with heat storage Open
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