本绕线式电动机转子电路脉冲调速系统模拟试验,省去了测速发电机,而利用转子电势组成速度负反馈系统。
The model test tried on this system did not use the tachometer generator but used rotor electromotive force instead to form the speed negative feed-back system.
由自感知电压引入速度负反馈闭环控制,并由假设模态法将位移按模态展开,求解了悬臂梁结构的动态特性;
The mathematical models based on the assumed modes method and a closed loop velocity feed back control law are developed to describe the flexural vibration dynamic behaviors.
这不仅导致在上面列出的问题,这些问题通常由负反馈的使用更正减少,而且还提高阶段的线性度和速度。
This not only results in a reduction in the problems listed above, which are normally corrected by the use of negative feedback, but also improves phase linearity and speed.
提出采用超前校正和负反馈校正提高电流放大器输出电流响应速度方法。
Two kinds of methods such as lead net rectification and negative feedback rectification are proposed, which can increase the output current speed of the current amplifier.
由控制电路实现焊接程序的控制,带电枢电压负反馈的调速电路控制和调节送丝速度。
The control to welding procedure is realized by a control circuit, and wire feed rate is regulated and controlled by speed governing circuit with the armature voltage negative feedback.
电压、电流真有效值变换精度高、速度快,电压真有效值负反馈闭环控制主回路网压波动补偿精度高;
The RMS converters of voltage and current have the advantages of high speed and precision, and with the feedback of RMS, the fluctuate of power voltage can be compensated at high precision.
电压、电流真有效值变换精度高、速度快,电压真有效值负反馈闭环控制主回路网压波动补偿精度高;
The RMS converters of voltage and current have the advantages of high speed and precision, and with the feedback of RMS, the fluctuate of power voltage can be compensated at high precision.
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