摘要
对动力系统用两级先导式电磁阀进行了动力学分析。建立了基于电磁阀阀芯振动与流体流动相耦合的系统动力学模型。模型充分考虑了阀芯自激振动,阀内各腔以及阀前后管路内压力变化。分析了不同工作条件下阀芯的稳定性,研究了工作压力、工作流量对电磁阀动力学特性的影响。
The dynamics of a pilot-operated two-stage solenoid valve used in power system were studied numerically. A dynamic model coupling vibration of solenoid valve with fluid flow in the valve was derived. While solving the system equations, vibration of the valve spindle, various pressure-flow characteristics across the valve ports and orifices and pressure variation in chambers were taken into consideration. The model was validated by experimental results. The simulation results present stability of the spindle for different operating conditions and effect of working pressure and working flow rate on dynamics of the solenoid valve.
出处
《农业机械学报》
EI
CAS
CSCD
北大核心
2009年第4期215-220,共6页
Transactions of the Chinese Society for Agricultural Machinery
关键词
动力系统
电磁阀
动力学模型
自激振动
Power system, Solenoid valve, Dynamic model, Self-excited vibration
