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介绍了现有工程车辆的传动控制方式,着重介绍了DA控制对发动机有效功率匹配的特点和HA控制的特点,以及DA-HA配套传动在支架搬用车的无级调速液压回路的应用。并通过相关软件测绘了某支架搬用车的DA-HA系统的速度牵引力特性曲线。
The transmission control mode of existing engineering vehicles is introduced. The characteristics of DA control to engine effective power matching and the characteristics of HA control, as well as the application of DA-HA supporting transmission to stepless speed regulation hydraulic circuit of carriage moving car are introduced. Through the related software, the velocity tracing characteristic curve of DA-HA system of a carriage moving car was plotted.