reference speed

The green corridor construction of high speed railway is a multi-industry, trans-department, fire-new, comprehensive system engineering, and is difficult to find successful experience to use for reference in the world.

高速铁路绿色通道的建设是个多行业、跨部门、全新的综合性系统工程，国内外没有成功的经验可供借鉴。

A second order filter is used to smooth the speed reference signal, and the perfect non-overshooting speed tracking is achieved.

采用二阶滤波环节平滑速度指令，实现了理想无超调的快速速度跟踪控制。

Thereinafter educe universality guidance disciplinarian of linespeed, for other speed line reference.

从而得出既有线提速的一般性有指导意义的规律, 供以后其他线路的提速做参考.

When center differential is locked, the decreasing threshold is adopted, which can help to calculate the reference speed.

中央差速锁锁止时，采用降低减压门限的方法，使车轮提前减压，以增加参考车速计算精度。

An improved speed estimation method is proposed based on the speed of model reference adaptive system.

根据模型参考自适应的速度推算,提出了一种改进的速度推算法.

The software is adaptable to railway bridges of different technical standards and can be used for the reference drawings and project design of bridge piers for passenger and freight train joint railways and passenger dedicated railways alone with different running speed targets.

软件能够适应各种技术标准的铁路桥梁，在不同速度目标的客货共线铁路和客运专线铁路的桥墩参考图和工点设计中应用。

An improved I p-iq algorithm for detecting compensation reference current is mentioned. It can real-timely decompose the fundamental positive sequence active component of three-phase current, witch improves the speed and accuracy of compensation reference current detection.

提出了基于改进ip-iq法的补偿指令电流检测算法，该算法能实时地检测出三相电流的基波正序有功分量，提高了补偿指令电流检测的速度和精度。

The research achievements have provided technical reference for the localization of magnetic levitation vehicles with common conductor and medium or low speed in the future.

研究成果为今后中低速常导磁浮车辆国产化提供技术参考。

The theoretical methods and technical means presented in this dissertation, not only can be directly used to study and design the cable logging high-speed network system, but also has certain reference values in modeling analysis of other telemetry control network.

本文提出的理论方法和技术手段，不仅已经直接用于电缆测井高速网络系统的研制，还对其他遥控遥测网络的建模和分析，具有一定的参考价值。

MCU get timing reference by zero-crossing detection. It compare the current speed feedback with the object feedback, and control the conduction phase and time using PWM mode to realize the stable speed-regulating of AC PG-motor.

单片机通过过零检测获取计时基准，比较当前转速反馈与目标反馈，采用脉宽调制PWM方式来控制三端双向可控硅开关器件的导通相位角及导通时间，实现交流PG电机的平稳调速。

Method of Calculating Vehicle Reference Speed for ABS of Off-road Vehicle

越野汽车ABS参考车速计算方法

The contradiction was settled by adopting the control structure of MCU+ CPLD and the high-speed data acquisition controller and the time reference mark demarcation module were designed with CPLD.

为了解决上述矛盾笔者采用了MCU+CPLD控制结构，用CPLD设计了高速数据采集控制器和时标标定模块解决上述问题。