Driving performance improvement of independently operated electric vehicle

Recently, due to improvement of vehicle driving performance improvement by independent operation per vehicle wheel and fuel efficiency improvement by simplification of driving system, the study on independently operable in-wheel motor is actively in progress. The commercialization, however, is delayed due to security of durable performance and credibility of actuator, security of vehicle safety in case of drive motor malfunction, and reduced ride & handling performance due to weight increase of wheels. In this study, in order to resolve the ride & handling issue and fuel efficiency among such, electric vehicle applied with independent operation was modelled using MATLAB/Simulink, and CarSim was utilized to perform dynamic analysis of vehicle. The simulation environment thus constructed was used to execute development and verification of driving power distribution algorithm for driving efficiency improvement and control algorithm for vehicle steering performance improvement in order to secure base technology for driving performance improvement of independently operated vehicle.