The hydraulic circuit of the whole vehicle is designed by using the variable frequency control mode.
采用变频阀控复合调速方式，设计了整车液压回路。
Using computer control, man-machine dialogue mode, the completion of the power frequency voltage breakdown of insulation media, power frequency withstand voltage test.
采用计算机控制，过人机对话方式，完成对、绝缘介质的工频电压击穿，工频耐压试验。
The adopted control mode of previous common frequency converter is usually of open loop constant voltage ratio, which its control curve is not stable.
早期通用变频器大多为开环恒压比的控制方式，控制曲线不稳定。
The system bandwidth of conventional voltage-control-mode motor driver circuits is limited by the intrinsic frequency of the load, and its phase lag is also load-dependent.
传统电压控制模式的电机驱动电路系统频率都受电机的本征频率制约，其相位延迟会随负载的变化而变化。
The paper introduces the application of variable-frequency speed governor in belt conveyor. Which provides a new control mode for belt conveyor.
主要介绍了变频调速在带式输送机上的应用，为皮带输送机提供了一种新的控制方式。
The paper analyzed the circumstance of crystallization system, altered the equipments, and used frequency converter to improve the control mode, which can improve work condition and save energy.
通过对结晶系统工作情况的分析，对其进行设备改造，同时运用变频器进行运行控制方式的改进，起到改善工作状况、节约能耗的作用。
However, the chattering with high frequency in sliding mode control systems is barrier for the application to the practice engineering problems.
然而滑模变结构控制带来的高频抖振是其应用到实际系统中的障碍。
The function of the system is to acquire signal, communicate with PC, generate the frequency modulation signal, control detector's work mode.
系统具备对信号的采集、信号的实时处理、与PC机串口通信、产生变频调制信号及控制探测器主被动模式转换等功能。
An algorithm for fuzzy sliding mode control was proposed for AC speed drive with a slip frequency vector control.
针对滑差频率矢量控制交流调速系统，提出并设计一种模糊滑模控制算法对速度环进行控制。
This control system retains the positive properties of conventional sliding mode control, which simplifies the process of design and solves the problem of high frequency shaking.
这种控制方式既保留了传统非线性变结构控制的优点，又简化了设计，解决了高频抖动的问题。
A novel topology of high frequency link DC ac converter with bi directional flyback mode is proposed, and its operational principle and control strategy are introduced briefly.
提出了一种新颖的双向电流源高频链DC A C功率变换器的拓扑结构，并简要地阐述了其工作原理和控制方案。
It overcomes many shortages of former system, such as simplicity of control mode, many hidden troubles, high-frequency accidences, frequent stops, bad system stability, great accident danger.
克服了原系统控制方式简单、隐患点多，事故频发，停机频繁、系统稳定性差、存在极大的事故隐患等诸多缺点。
The master control chip uses AT89C51, the communication mode adopts DTMF signal with strong anti-interference and high reliability, and simplex frequency modulation.
主控芯片采用AT89C51单片机，通信方式采用抗干扰能力强、可靠性高的DTMF信号和单工调频的无线通信方式。
The paper also introduces the evolution of control mode in frequency transducer, and demonstrated the principles of choosing frequency transducer in air conditioning projects through a case study.
述及变频器控制方式的演进，并通过实例说明在暖通空调工程中变频器的选用原则。
The voltage converter works in PWM mode. Frequency-control speed regulation, DC voltage supply monitoring of the converter, synchronous motor power-angle close-loop control are combined.
控制策略为逆变器PWM调压、变频调速结合逆变器直流侧电压闭环、同步电动机功角闭环控制。
It can be widely applied to vibration control, especially applied in a low frequency and dense mode nonlinear system.
本发明可广泛用于振动被动控制，尤其适用于频率低、模态密集的非线性系统的振动控制。
It can be widely applied to vibration control, especially applied in a low frequency and dense mode nonlinear system.
本发明可广泛用于振动被动控制，尤其适用于频率低、模态密集的非线性系统的振动控制。
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