지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2014.4
- 수록면
- 133 - 138 (6page)
이용수
초록· 키워드
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This study concerns about stability analysis of slipper bearing in swash type piston pump that used in the EHA(electro hydrostatic actuator) system. The slipper bearing is a kind of hydraulic bearing that locates between swash plate and piston shoe. This hydraulic bearing needs high supply pressure and speed of pump’s rotation to be activated under the stable condition.
The EHA system is some power pack that combines bidirectional pump and motor with hydraulic actuator to drive the actuator with motor’s speed and direction. In this system, a hydraulic pump is driven under the low supply pressure and speed of pump’s rotation because the actuator is controlled by pump’s flow.
In this study, the author tries to find the stability criterion using Lyapunov function. For this purpose, the motion equation of piston was quoted from reference and the state equation was delivered. After that the Lyapunov function was defined to find the stable condition on equilibrium point.
The EHA system is some power pack that combines bidirectional pump and motor with hydraulic actuator to drive the actuator with motor’s speed and direction. In this system, a hydraulic pump is driven under the low supply pressure and speed of pump’s rotation because the actuator is controlled by pump’s flow.
In this study, the author tries to find the stability criterion using Lyapunov function. For this purpose, the motion equation of piston was quoted from reference and the state equation was delivered. After that the Lyapunov function was defined to find the stable condition on equilibrium point.
목차
Abstract
1. 서론
2. Shoe의 상태방정식
3. 안정 해석
4. 결론
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UCI(KEPA) : I410-ECN-0101-2017-550-000683010