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�������պ����ѧѧ�� 2006, Vol. 32 Issue (09) :1055-1058    DOI:
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Digital modeling of double press axial piston pump and its thermal analysis basing on AMEsim
Lu Ning, Fu Yongling, Sun Xinxue*
School of Automation Science and Electrical Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

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Abstract�� Hydraulic system simulation model of double press axial piston pump was established in AMESim. Movement function, flux function and swash plate model of axial piston pump were created, and carried on the corresponding simulation computation. Control valve simulation model of double press axial piston pump was established in AMESim, and the analysis emphasis were the flux characteristic and the pressure cut dynamic characteristic under two pressures. To compare the result of temperature rise, a complete hydraulic systems was established for double press axial piston pump and fix press axial piston pump under two kinds of hydraulic pump sources in the same load, the same radiation environment and the same running time. Simulation results show that dynamic characteristic of double press axial piston pump match the theory, the efficiency exceeds fix press axial piston pump.
Keywords�� digital modeling   simulation   AMEsim   double press pump   thermal analysis     
Received 2005-11-24;
About author: ¬ ��(1976-),��,�ӱ�������,��ʿ��, lqning16@163.com.
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¬��, ������, ����ѧ.����AMEsim��˫ѹ�������õ� ���ֽ�ģ���ȷ���[J]  �������պ����ѧѧ��, 2006,V32(09): 1055-1058
Lu Ning, Fu Yongling, Sun Xinxue.Digital modeling of double press axial piston pump and its thermal analysis basing on AMEsim[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2006,V32(09): 1055-1058
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http://bhxb.buaa.edu.cn//CN/     ��     http://bhxb.buaa.edu.cn//CN/Y2006/V32/I09/1055
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