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독립구동 인휠 전기자동차의 주행 효율 최적화를 위한 구동력 분배 알고리즘
박진현(J. H. Park),송현우(H. W. Song),정호운(H. U. Jeong),박찬호(C. H Park),황성호(S. H. Hwang) 유공압건설기계학회 2014 드라이브·컨트롤 Vol.11 No.2
The purpose of this paper is to construct a control algorithm for improving the driving efficiency of 4-wheel-drive in-wheel electric vehicles. The main parts of the vehicle were modeled and the input-output relations of signals were summarized using MATLAB/Simulink. A performance simulator for 4-wheel-drive in-wheel electric vehicles was developed based on the co-simulation environment with a commercial dynamic behavior analysis program called Carsim. Moreover, for improving the driving efficiency of vehicles, a torque distribution algorithm, which distributes the torque to the front and rear wheels, was included in the performance simulator. The effectiveness of the torque distribution algorithm was validated by the SOC simulation using the FTP-75 driving cycle.
박진현(J. H. Park),송현우(H. W. Song),정호운(H. W. Jeong),황성호(S. H. Hwang) 유공압건설기계학회 2013 유공압건설기계학회 학술대회논문집 Vol.2013 No.10
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 control algorithm for vehicle steering performance improvement in order to secure base technology for driving performance improvement of independently operated vehicle.
퍼지제어 기법을 활용한 독립구동 자동차의 선회제어 알고리즘 개발
박진현(J.H. Park),정호운(H.O. Jeong),장인규(I.G. Jang),황성호(S.H. Hwang) 유공압건설기계학회 2014 유공압건설기계학회 학술대회논문집 Vol.2014 No.4
In this paper, in an effort to secure based technology to solve performance degradation problem of vehicle’s ride & Handling in independence-driven electric chassis system. To solve this problem, MATLAB/Simulink and Carsim is used to modeling vehicle’s powertrain and complete Ride & Handling Performance evaluation environment each. Ride & Handling performance evaluation environment is completed by co-simulation of two simulation environment. In this simulation environment, a driving control algorithm using fuzzy control method is developed to improve the vehicle’s cornering performance.
연비 평가를 위한 6속 DCT기반 HEV 성능 시뮬레이터의 개발
백진주(J. J. Baek),이용관(Y. K. Lee),박진현(J. H. Park),한관수(K. S. Han),황성호(S. H. Hwang) 유공압건설기계학회 2013 드라이브·컨트롤 Vol.10 No.4
With aggravation of environmental contamination and energy resource exhaustion, Hybrid Electric Vehicles (HEV) that can be economically operated with low fuel consumption are receiving greater attention. For performance improvement of such HEV, the development of efficient transmission can be seen as one of core technologies such as performance of components and driving strategy. Dual clutch transmission (DCT) is actively studied as a transmission type for HEV due to its advantages of having excellent power transmission efficiency based on manual transmission characteristic, resolving the problem of power interruption, and realizing driving convenience of automatic transmission (AT). In this paper, one diesel HEV equipped with 6-Speed DCT, modelled using MATLAB/Simulink, and a performance simulator developed for this vehicle are introduced. Driving simulation with driving cycles such as FTP75 and NYCC was performed using the developed performance simulator, and the simulated results regarding state of charge and fuel economy, when AT and DCT are applied to this diesel hybrid vehicle respectively, are compared. This performance simulator can be utilized to develop a control algorithm for improving the fuel economy of HEV with DCT.
백진주(J. J. Baek),박진현(J. H. Park),이용관(Y. K. Lee),황성호(S. H. Hwang) 유공압건설기계학회 2013 유공압건설기계학회 학술대회논문집 Vol.2013 No.6
Recent Energy exhaustion and environmental issues have brought growing interests in HEV(Hybrid Electric Vehicle), which offers the advantage of low fuel consumption in traffic congestion. In order to improve the performance of these Hybrid Electric Vehicles, the development of effective transmission technology is highly required. Especially many researches already have done on DCT(Dual Clutch Transmission) as the latest technology, which has the excellent power transfer efficiency. DCT solves a problem about the disconnecting problems between engine and manual gearbox and implements the driving convenience of Automatic transmission. this study has modeled a disel hybrid electric vehicle with DCT using MATLAB/Simulink. and the Performance Simulator for 6 Speed DCT-based Hybrid Electric Vehicle. In addition, in order to verify the performance simulator, this study has obtained simulation result by using the FTP72 driving mode. And the results about the diesel hybrid electric vehicle with AT and DCT have been compared SOC and fuel efficiency.