Abstract
The paper addresses the issue of designing environmentally friendly and energy-efficient vehicles in a budget segment based on determining the technical-economic parameters. The fuel efficiency and environmental friendliness of cars have been improved and substantiated through devising a hybrid power system based on the chosen rational technical-economic parameters. We have constructed three-dimensional dependences of energy, consumed by the unit of traction rechargeable batteries, and a relative travel range, on the mass and steady speed. Recommendations have been made on selecting the energy intensity of the unit of traction rechargeable batteries for hybrid vehicles of different mass and the desired travel range under an electricity-only mode. We have established the travel range under an electricity-only mode per a single charge of traction rechargeable batteries within 20 km to 50 km. The choice of a hybrid vehicle has been proposed depending on the expected average daily mileage and the energy intensity of traction rechargeable batteries. This would make it possible for a consumer to make a decision about the choice of a hybrid vehicle based on the individual planned average daily mileage.Conceptual solutions have been developed to construct hybrid power units based on the economic principle of their design. The scientific results have been confirmed in practice using an experimental hybrid concept based on the ZAZ Lanos Pickup. Such an approach makes hybrid vehicles more competitive and economically attractive
Highlights
According to statistics, about 1 billion cars were driven in the world at the beginning of the 21st century [1]
At the current stage of science and technology development, the task of designing environmentally friendly and energy-efficient vehicles is solved by the construction of electric vehicles: electric cars or hybrid vehicles
Attempts to massively introduce electric cars did not yield the desired result. This is mainly due to the limited power reserve for an electric vehicle to travel per a single charge of a traction rechargeable battery (TRB) given its low energy intensity [7, 8]
Summary
About 1 billion cars were driven in the world at the beginning of the 21st century [1]. Attempts to massively introduce electric cars did not yield the desired result. This is mainly due to the limited power reserve for an electric vehicle to travel per a single charge of a traction rechargeable battery (TRB) given its low energy intensity [7, 8]. In the pursuit of improving the environmental component, it is a relevant task to preserve other characteristics in vehicles (for example, mileage, economy). In this regard, production of hybrid vehicles is a strategically correct direction in the development of automakers. The most promising are those hybrid vehicles that operate under an electricity-only mode and which can accumulate energy in TRB from stationary energy sources
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