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A yaw moment control based on fuzzy logic is proposed to deal with high nonlinearity in vehicle dynamic systems. The developed controller generates the suitable additional yaw moment which is obtained from the differential longitudinal braking forces in driving wheels so that the vehicle follows the target values of the yaw rate and the sideslip angle. A two-degree-of-freedom vehicle dynamic is derived...
The location of resin molecules at an oil-water interface was investigated using low angle X-ray diffraction of lamellar liquid crystals as model systems. In general, the results revealed that resin molecules are located at the interface in contrast with the hydrocarbon molecules in crude oil and also that there is a difference between the conditions at an interface with nonionic and ionic surfactants.
The vapor pressures of phenethyl alcohol in aqueous solutions of sodium xylene sulfonate were determined by headspace gas chromatography analysis. The results, surprisingly, showed the vapor pressure to be a function of only the fragrance-hydrotrope mole fraction and independent of hydrotrope concentration, when the latter exceeded a critical concentration.
The kinetics of formation of vesicles by dilution with water from a hydrotrope solution of the vesicle forming surfactants and the reverse formation of them to hydrotrope stabilized micelles were investigated using the stopped flow technique. The relaxation time for the formation of vesicles varied from 0.09 s to several seconds depending on the concentration of the vesicle forming surfactant, while...
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