最后，分析了变频调速液压屑饼机的调速回路。
Finally, analysis speed-loop of variable frequency drive crumb cake hydraulic machine.
其中节流调速回路的功率损失大，低速稳定性好。
Speed control loop in which the power loss of throttle large, low-speed stability.
分析研究这一新的容积调速回路的优越性和可行性。
This paper analyzes and studies the new speed control circuit and its superiority and feasibility.
而容积调速回路既无溢流损失，也无节流损失，效率高，但低速稳定性差。
The volume loss of speed control loop neither overflow nor throttling losses, high efficiency, but poor low-speed stability.
与该实验台标准的进油节流调速回路相对照，对所设计的回路进行智能判断。
Comparing to the standard meter in speed control loop in this experiment platform, it judges intelligently the loop you have designed.
并用方块图与反馈控制理论导出了这种调速回路速度刚性的数学表达式，估算了由负载引起的速度误差。
By block diagram and feedback-control principles expression is derived for speed-stiffness in the loop and speed error due to load calculated.
通过对回路系统动特性分析，首先建立了节流调速回路的数学模型，在该模型的基础上建立了回路仿真模型。
Through analyzing dynamic characteristics of circuit system, mathematical model of throttling speed control circuit was established, and simulation model of circuit was built up.
其次，如果执行器具有调速的要求，那么在选择调速回路时，既要满足调速的要求，又要尽量减少功率损失。
Secondly, if the requirements of the actuator with speed, then select the speed loop, it is necessary to meet the requirements of speed, but also to minimize power loss.
本文论述了流量调速回路压力流量特性的概念及其特性的描述方法，给出了五种典型流量调速回路的压力流量特性曲线图，并加以分析讨论。
The concept and describe way of pressure flow characteristics of flow control circuit is discussed in this paper. Five typical graphes of the characteristics are given and analyzed.
本文论述了流量调速回路压力流量特性的概念及其特性的描述方法，给出了五种典型流量调速回路的压力流量特性曲线图，并加以分析讨论。
The concept and describe way of pressure flow characteristics of flow control circuit is discussed in this paper. Five typical graphes of the characteristics are given and analyzed.
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