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논문 기본 정보

자료유형
학술저널
저자정보
천수환 (LSMtron) 박진감 (Korea Institute of Industrial Technology) 장경제 (Gyeongsang National University) 심성보 (Kyungpook National University) 장민호 (Chungbuk National University) 이진웅 (Korea Institute of Industrial Technology)
저널정보
유공압건설기계학회 드라이브·컨트롤 드라이브·컨트롤 Vol.18 No.4
발행연도
2021.12
수록면
1 - 8 (8page)

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초록· 키워드

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An electro proportional pressure control valve is mainly used to control the clutch of an agricultural tractor’s automatic transmission. During transmission, the operating, hydraulic oil is mix with many kinds of contaminants. The contaminants can be trapped between the valve body and spool of the proportional pressure control valve leading to abnormal operating conditions and finally critical damage to the transmission hydraulic system. The present study aimed to verify the valve control algorithm as a basic study of developing control logic that removes contaminants between the spool and the body of the proportional pressure control valve. To develop the algorithm, MATLAB/SIMULINK was used. PWM method was used to control the applied solenoid coil current. The effectiveness of the algorithm was verified by comparing the actual pressure of the normal valve with the actual pressure of the abnormal valve. Based on the present study findings, when the algorithm was applied, the response of the valve pressure according to the current became stable and oil contaminated particles were removed. In the future study, the control algorithm will be optimized for the stability of the proportional pressure reducing valve, and it will be verified in consideration with the driving of the clutch.

목차

Abstract
1. 서론
2. 비례 압력제어밸브
3. 오일 오염 입자 제거 제어 알고리즘 개발
4. 검증시험
5. 결론
References

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