This text introduces the design of the control system of the high speed testing machine emphatically.
本文着重介绍对超高速试验机的控制系统的设计。
Applicable for heavy loading, main axis of CNC tooling machine, orientation and speed testing of servo motor.
适用于重负载，数控机床主轴，伺服电机定位和测速。
In addition, the partial speed testing data are used to verify the fuzzy control model and the result also shows that the model reaches expected design requirement.
另外，本文也通过部分现车实验数据进行了控制模型的验证，结果也表明了该控制模型能够达到预期设计要求。
As Doppler shift signal can significantly reflect the speed of flow, the abstracting of Doppler shift signal is the key of blood flow speed testing in a ultrasonic blood flow detector.
超声血流仪实现其测量血流速度的关键是多普勒频移信号的提取，多普勒频移信号是血流速度的真实反映。
This paper introduces the connection of speed servo adjusting unit and the throttle, simplifies the control circuit of the manual throttle and offers two practical methods of speed testing.
介绍伺服调速及油门机构的连接，简化手油门控制电路，给出两种实用的测速方法；
Changing the sea route or trough; Demarcating, changing, or canceling a restricted navigation area, mud casting area, aquatics breeding area, speed testing area, or water entertainment area;
改变航道、航槽；划定、改动或撤销禁航区、抛泥区、水产养殖区、测速区、水上娱乐区；
什么是速度测试？
什么是速度测试？
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