【摘要】 简要介绍铁路大型养路机械液压驱动系统的组成及存在的问题,并介绍电比例控制及恒功率控制的原理,提出两种恒功率控制的解决方案。更多还原

【Abstract】 This article describes the structure and shortage of hydraulic pressure’ driving system of the Railway Large Maintenance Machinery briefly,describes the principium of proportionable control of electron,and describes the principium of constant power controled briefly,and presents two designs of constant power controled.更多还原