Configuration and algorithm of the liquid circulation control system in the cooling system with a heat accumulator

In this article authors presented the configuration and algorithm of the liquid circulation control system a modified cooling system. The vehicle selected for modification and simulation is the Toyota Yaris Hybrid. Modification of the cooling system in a hybrid vehicle consisted of the use of a Heat Storage (HS) and Heat Exchanger exhaust gases-cooling liquid (HE). Waste heat from exhaust gases has been stored in HS and used to obtain and maintain the desired operating temperature Internal Combustion Engine (ICE), while his intermittent operation. The purpose of the proposed amendment is increase energy efficiency of the hybrid vehicle's propulsion system by reducing the operating time of the ICE at a temperature lower than the assumed working temperature. The control system is based on the C-RIO real time computer and the LAbVIEW software. The software controls the circulation of the cooling liquid and exhaust gases and also allows the recording of the relevant parameters of the hybrid drive system, such as e.g. the temperature of the HS, the load of ICE, ambient temperature or temperature of exhaust gases before HE. The paper presents the results of simulation of signal changes to control the cooling system. Simulations of control system were carried out for winter conditions of the surroundings and urban traffic, including heat received from the cooling system to warm the passenger space. In the further stage of the research, the authors plan to carry out road experimental research.