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허재웅(Jaewoong Hur),이교일(Kyoil Lee),정규홍(Kyuhong Jung),김관수(Kwansoo Kim) 한국자동차공학회 2002 한국자동차공학회 춘 추계 학술대회 논문집 Vol.2002 No.5_2
Nowadays, many of passenger cars use automatic transmission as power transmission control devices because of its convenience. So many intensive researches for automatic transmission of passenger cars has been performed. In case of construction vehicle, drivers must do many tasks during the construction operation such as working of boom, forward/backward driving, and shifting. So the amount of work done is dependent of driver's dexterity. Due to the this reason, the adoption of automatic transmission has increased in the construction vehicle. In this paper, the automatic transmission shift controller in construction vehicle is developed. The mathematical model of automatic transmission is established and the shifting simulation program is developed. The hardware and software for shift controller is designed and the performance of designed controller is verified by some experiments.