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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
한국자동차공학회 한국자동차공학회논문집 한국자동차공학회논문집 제9권 제6호
발행연도
2001.11
수록면
143 - 151 (9page)

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초록· 키워드

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During the past several years, the major interests of car manufactueturers in development of automatic transmission were in durability and shift quality. However, a large number of researches for improving shift quality that are based on dynamic characteristics of shifting mechanism have been rarely adopted in the developing process because it is quite diffieult to predict the shifting performance from the dynamics simulation. One of the important reasons for the difference between simulation results and experiments arises from the automatic transmission hydraulic system that consists of many valves with high order model and shows a lot different dynamics to temperature variation. In this work, hardware-in-the-loop simulation system for automatic transmission was developed for improving the accuracy of simulated result by combining the real-time simulation model with the real hydraulic system. The real-time simulation for automatic trans- mission model excluding hydraulic system is executed with TTs TMS320C31 DSP and the interlacing board which includes 12bit A/D, PWM signal generator and driver, serial driver ,etc is designed for acquiring the simulation data and signal interface with hydraulic system. We verified the proper operation and correctness of shifting result by comparing the off~line simulation result with that of HILS and experimental result which was performed on transmission dynamometer driven by electric motor.

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ABSTRACT

1.서론

2.자동변속기의 수학적인 모델

3.HILS시스템 구성

4.HILS시스템의 결과검증

5.실험_

6.결론

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