Abstract
The automotive industry faces huge challenge in environmental protection by reducing fossil fuels and energy consumption by developing various practical solutions in energy harvesting. The current analysis is related to the diesel engine power supply system in a passenger off-road vehicle for application of the piezoelectric energy harvesting system. Experimental tests were carried out for the three constant rotational speed values - 800, 1000 and 1500 rpm. The results pertained to operational and simulation tests of available power supply options from the engine suspension system in the vehicle, e.g. to power sensors supervising the engine’s operation or other small electrical devices in the vehicle. The simulations of output voltage were conducted by means of a nonlinear model with a resonator coupled to a piezoelectric elastic beam deformed in the magnetic field to improve the band of frequency transducing kinetic mechanic energy into electric energy.
Highlights
Pollution of the environment, repletion of natural supplies and growth in the volume of waste disturb the equilibrium of the natural environment [1]
The subject of the research was the following: a passenger all-terrain vehicle UAZ-31512 with a four-cylinder supercharged diesel engine 2.5TD with direct injection used in Land Rover Discovery vehicles 200 series
The reason of application of the Diesel engine car in the experiment are relatively high amplitudes of vibrations generated by engine comparing to the gasoline engine [47] and possibility to use the terrain vehicle in off-road having additional natural external source of mechanical vibrations
Summary
Repletion of natural supplies and growth in the volume of waste disturb the equilibrium of the natural environment [1]. Technologies, which harvest energy from roadways include piezoelectric-based modules [23, 32], asphalt solar collectors [33], thermoelectric systems [34], electromagnetic systems [35] and the solar panels installed in the pavement [36]. Another direction of research is harvesting energy from various components of a vehicle and the internal combustion engine. There is a space to partially recover energy from the suspension system of the internal combustion engine of a vehicle during its operation This option was tested for aircraft vibrations in multimodal transport [45].
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