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Analysis of electric motor vehicles market

100%

Maciejewska M. , Fuć P. , Kardach M.

2019

tom R. 58, nr 4

169--175

The increasingly restrictive standards related to exhaust emissions from cars make difficult the development of internal combustion engines. The activities undertaken in the design of internal combustion engines are mainly based on downsizing, e.g decreasing the engine's displacement. The main direction in the development of vehicle propulsion is to reduce carbon dioxide emissions. It is expected to reduce CO2 emissions in 2020 to reach 95 g/km. Electric vehicles achieve low noise levels and do not emitted a burn, and thus, their use leads to a reduction in the amount of toxic exhaust gases in the air. The aspect of reducing emissions of harmful exhaust compounds and activities focusing on downsizing on the market of combustion engine cars leads to a significant increase the number of electric vehicles. In 2018 around 95 million motor vehicles were registered in the world, of which around 12 million in the European Union and 273 thousand in Poland. The number of electric vehicles among all sold is around 5.5%. Every year new, more technologically advanced models appear on the electric vehicle market. In 2018, the most popular model was the Nissan LEAF and the BAIC EC-Series. A large number of Renault ZOE have also been sold. In article analyzed different models of electric vehicle, which are available on market and presented the characteristics based on e.g. price per 100 kilometers, range for every model or charging time.

Adaptive control of a diesel engine for reduction of toxic exhaust compounds

100%

Graba M.

tom z. 63

19-20

A diesel combustion engine is a nonlinear dynamic plant whose operation is accompanied by the processes of energy and mass accumulations. A result of the processes is production of power, but a by-product is the emission of harmful substances in exhaust gases to the environment. Therefore, many research centers are seeking technical solutions to improve this problem by modifying the diesel engine control system. Model Identification Adaptive Control (MIAC) proposed in this paper is a contribution to this pursuit.