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아크스프링의 이산화 모델링을 사용한 DMF 차량 성능 시뮬레이터
김태현(Taehyun Kim),김민성(Minsung Kim),송한림(Hanlim Song),어순기(Sunki Uh),김현수(Hyunsoo Kim) 한국자동차공학회 2004 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
This paper presents a discrete analysis approach to investigate performance of dual mass flywheel(DMF). In the discrete analysis, arcspring installed between the flywheels is modeled as N- discrete elements. Each element consists of mass, spring and nonlinear friction element. LuGre friction model is used to describe nonlinear friction characteristic. Based on the dynamic models of the DMF, clutch, engine, manual transmission and vehicle, a DMF performance simulator is developed using MATLAB Simulink. Simulation results of the engine speed, driveshaft torque and vehicle velocity are compared with test results. It is found that the discrete DMF model describes the vehicle behavior closely, especially during the clutch actuation period.
김태현(Taehyun Kim),김민성(Minsung Kim),송한림(Hanlim Song),어순기(Sunki Uh),김현수(Hyunsoo Kim) 한국자동차공학회 2003 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
In this paper, a DMF vehicle performance simulator is developed. Firstly, a discrete model for the DMF arcspring is proposed. In addition, friction model is developed by considering the Coulomb friction and viscous friction between the friction faces, Using the DMF model, a vehicle performance simulator is developed including the driver, engine, clutch, manual transmission and wheel. It is found from the simulation that DMF contributes to reduction of the transmission torque fluctuation especially for low gear speed ranges. It is expected that DMF vehicle performance simulator can be used in design of the DMF and DMF vehicle powertrain.<br/>
김민성(Minsung Kim),김태현(Taehyun Kim),송한림(Hanlim Song),어순기(Sunki Uh),김현수(Hyunsoo Kim) 한국자동차공학회 2003 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Performance simulator for a manual tansmision test is developed. Firstly, dynamic models for two types of clutch control actuator are obtained, and efficiencies of CHC and CSC control actuators are evaluated. In addition, dynamic models of the MT powertrain are obtained and MT vehicle performance simulator is developed. Using the simulator, vehicle performance such as MT input torque, acceleration, etc. are investigated. It is expected that the MT performance smulator developed in this study can be used in design of clutch and MT system.<br/>