It is second only to Japan's high-speed system in terms of scale.
从里程长度来看,它仅次于日本高铁系统,位居第二。
Rail has completely changed because of the high-speed system.
由于高速铁路系统,轨道交通彻底改变了。
The parallel inverter was used to explain the capacity of variable-speed system.
为了增大调速系统容量,采用了逆变器并联的方式。
Based on vector control theory, a fully digital variable speed system is designed.
基于矢量控制理论设计了一套全数字变频调速系统。
An AC digital speed system based on a 16-bit microprocessor 80c196mc is presented.
介绍一个由16位微处理器80c 196 MC构成控制器的交流数字调速系统。
The high-speed system offers unparalleled sample imaging and position control.
高速系统提供了卓越的试样图象和位置控制。
Studies showed that special speed system of sprint possesses distinct characteristics.
研究表明,短跑专项速度系统具有鲜明的层次性特征。
This design is based on AT89C51 development speed system of remote control electric fan.
本设计是基于AT 89 C51单片机开发的电扇遥控调速系统。
The direct drive feed system by linear motors is an ideal solution to realize the high-speed system.
直线电机驱动的进给系统是实现数控机床进给高速化的新形式。
This paper deals with a closed-loop digital control for a hydraulic valve, controlled motor speed system.
研究了用位总线微机构成的液压阀控马达速度闭环数字控制系统。
How to solve the signal integrity issues has become a very important element in high-speed system design.
如何解决信号完整性问题已经成为高速系统设计的一个非常重要的内容。
The paper gives the vector control speed system of the double-fed machine on the rotor current orientation.
为此我们确定双馈电机调速时的矢量控制策略即转子电流定向的矢量控制。
A high performance AC regulating speed system controlled by double microcomputer is proposed in this paper.
提出了一种双微机控制的高性能交流调速方案。
Random PWM technology is a direct and effective way to alleviate acoustic noise in adjustable-speed system.
随机脉宽调制是解决交流调速系统中声学噪声的直接有效方法。
The variable frequency variable speed system of three-phase asynchronous motor based on DSP has been researched in this paper.
本文研究一种基于数字信号处理器(DSP)的三相异步电动机变频调速系统。
Based on the above study, the author of this paper designed variable frequency control speed system in electric twin-pod propulsion.
基于以上各部分,作者设计出双吊舱变频调速试验系统。
IN the high speed ARINC-429 communications, it's difficult for traditional SCM controlled mode to meet the need of a high speed system.
在高速率的ARINC- 429通信中,采用传统的单片机控制方式已很难满足系统速率要求。
A fuzzy serve system which has strong disturbance resisting ability for extremely low speed system is designed by using fuzzy control theory.
利用模糊控制原理设计了一个具有较强抗扰动能力的模糊伺服系统。
Compare to the serial circuit, this circuit improves the real-time capability of CRC and sets up the condition for realizing high speed system.
与串行电路相比,这种并行电路提高了CRC算法的实时性能,为进一步实现高速系统创造了条件。
The principle of PAM PWM compound control and the power transistor AC adjustable speed system based on that principle are presented in this paper.
本文介绍PAM、PWM复合控制原理和按此原理研制的大功率晶体管宽调速交流调速系统。
The application of the improved tube reduction speed system recommended in the paper makes it possible to greatly cut down the crop losses of the reduced pipes.
采用本文推荐的改进的钢管减径速度制度,可较大地降低减径钢管前后的切头损失。
Controlling the electromagnetic torque directly in the AC speed system, the direct torque control (DTC) system has the excellent dynamic and static performance.
在交流调速系统中由于直接转矩控制(DTC)技术是对电动机转矩直接进行控制,因此电动机可以获得优良的动态和静态性能。
This paper deals with the design and calculation method of the voltage regulator used in the SCR regulating speed system with voltage negative feedback control.
本文讨论可控硅电压负反馈调速系统中电压调节器的设计和计算方法。
A simple brushless motor variable-speed system without position sensors is designed, it is based on MCS-80C196KB and frequency raising-lowering control is realized.
本文设计了一个不使用位置传感器的无换向器电动机调速系统,采用MCS- 8单片机,实现了无换向器电动机的升降频控制。
Based on the rotor flux vector control as a kind of variable speed system control method, with very good dynamic and static performance, received extensive attention.
基于转子磁链定向矢量控制作为交流调速系统中的一种的控制方法,以非常优良的动态和静态性能,受到了广泛的关注。
Based on vector control theory, a full digital variable speed system is designed. The system structure and method for designing the software and hardware are introduced.
基于矢量控制理论设计了一套全数字变频调速系统,介绍了系统结构及软硬件设计方案。
The speed sensorless technique which can simply the hardware structure of the variable speed system and reduce the system cost is a very hotspot of current research works.
无速度传感器技术能够简化调速系统的硬件结构,降低系统的成本,是近年来交流调速领域的研究热点。
Discuss in detail the torque characteristics of hoister double-fed cascade adjusting speed system and the designing calculation of starting torque of hoister shearing resistor.
文中详细论述了提升机双馈串调系统的转矩特性和提升机切电阻时启动力矩设计计算。
This paper presents the methods of transfer function analysis and engineering design for variable frequency adjustable speed system of induction motor supplied by current source inverter.
本文提出了一种异步电动机电流型变频调速系统传递函数的分析及工程设计方法。
This paper discusses the theoretical and experimental studies on the KASKAD 8a A. C. Cascade adjustable speed system which was imported by Guangzhou Water Company from Emphasis ASEA Company.
本文对广州自来水公司从瑞典asea公司引进的KASKAD8a交流串级调速装置进行了理论和实验的研究。
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