Control of the actuator velocity and if necessary maintaining it constant with varying loads.

执行器速度的控制，如果必要维持其在变化负载下的稳定。

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Then a vector control method with speed closed-loop and magnetic linkage closed loops put forward, which is based on the constant velocity by means of stator flux-oriented vector control.

在基于定子磁场定向的矢量控制恒线速运行控制方案的基础上，提出了一个速度闭环、磁链闭环的矢量控制方案。

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We also carry though the research of control principles in the cause of keeping constant velocity while articulated vehicles is braking.

针对安装有上述联合制动系统的拖挂车在坡路缓速过程中的恒速过程，进行了控制算法的研究。

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