Evaluación del comportamiento de la sincronización variable de válvula inteligente (VVT-I) de un motor 1ZZ de toyota mediante una computadora programable para la obtención de mejor rendimiento

Abstract

The VVT-I system is an intelligent system that varies the opening and closing time of the intake and exhaust valves located on the camshaft, optimizing the combustion of fuel inside the combustion chamber, normally the intake opens and closes at fixed times of the engine operating cycle. However, the VVT-I system dynamically adjusts the time the valves remain open allowing air intake into the cylinder according to the required power demands. The main objective of the degree work is to implement a programmable computer MS3 Pro to modify the opening and closing time of the valves to improve the efficiency in torque and power of the corolla vehicle, performing the analysis of data collection on a dynamometer to study the effects caused by modifying the VVT-I system. The methodology used in this degree work adopted an inductive approach since it is based on the logical scientific method of collecting real data obtained on the dynamometer under standard and modified conditions. It could be observed at the moment of modifying with the MS3 Pro computer the data obtained with the standard computer and the modified one as an improvement of 7.8 HP the 4WD dynamometer, while the BA PRO we obtain a difference of 7.39 HP and a torque of 16.55 Nm of difference, while the BA PRO we obtain a difference of 6 Nm, on the other hand the contamination giving us a lambda with a configuration of 7.8 HP and a torque of 16.55 Nm of difference, while the BA PRO we obtain a difference of 6 Nm. On the other hand, the contamination gives us a lambda with standard configuration 0.944, while the ideal configuration with the programmable computer gives us a lambda of 1.039, which would be ideal to generate less polluting gases in the emissions is where a substantial improvement was obtained, reducing polluting gases and improving the combustion of the vehicle, generating fuel savings.