【摘要】 为了抑制偏心负载对垂直放置的摆动气缸运动造成的影响,首先提出了能够定量表示偏心负载对垂直放置的摆动气缸影响程度的速度稳定性指标αv,随后提出了使摆缸两工作腔在某一角度范围内瞬间连通,利用增大背压的方法提高摆缸系统速度稳定性的解决办法,建立了垂直放置、偏心负载作用下且具有连通孔的摆缸数学模型,在该模型的基础上以速度稳定性指标αv最小为优化目标函数,采用遗传算法对摆缸工作腔连通孔进行了优化设计.仿真和试验结果证明该方法有效地解决了摆缸速度稳定性问题.更多还原

【Abstract】 To suppress the influence of eccentric load on dynamic characteristics of rotary cylinder installed vertically,a speed stability index αv is proposed firstly.Then a solution method is presented to improve the speed stability by drilling a hole on the rotary shaft of rotary cylinder,which connects one working chamber to the other within a rotary angle scope,and a mathematic model considering the connecting hole is built.An real-coded GA optimization design for the connecting hole based on the minimum αv is fulfilled.Simulation and test results show that the method can solve the velocity instability problem of rotary cylinder efficiently.更多还原