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�������պ����ѧѧ�� 2011, Vol. 37 Issue (3) :274-278    DOI:
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Dynamic optimization method for valve plate structure of aviation piston pump
Guan Changbin, Jiao Zongxia*
School of Automation Science and Electrical Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

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Abstract�� Through the discharge area of aviation piston pump was calculated accurately, and the compressibility of oil and leakage of cylinder were considered, the nonlinear mathematical model of instantaneous flow rate was established. A dynamic optimization method of valve plate structure was proposed based on the nonlinear instantaneous flow model. The amplitude of instantaneous flow fluctuation was the objective function of the dynamic optimization method. With rotate-vector method, the structural parameters of valve plate were optimized on line dynamically. The simulation results indicate that the dynamic optimization method is high practical and efficient. This provides the theoretical foundation to the structural optimization of aviation piston pump, and the study of vibration elimination and noise reduction.
Keywords�� piston pump   valve plate   instantaneous flow model   dynamic optimization   rotate-vector method   flow fluctuation     
Received 2010-01-06;
Fund:

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About author: �ٳ���(1984-),��,ɽ��������,��ʿ��,guanchangbin@163.com.
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�ٳ���, ������.���������������̽ṹ��̬�Ż�����[J]  �������պ����ѧѧ��, 2011,V37(3): 274-278
Guan Changbin, Jiao Zongxia.Dynamic optimization method for valve plate structure of aviation piston pump[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2011,V37(3): 274-278
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