zero-speed造句

• Rotor position estimation of permanent - magnet syachronous motor at zero - speed and low - speed
  零速和低速下永磁同步电机转子位置估测方法
• By increasing the resistance , the characteristic will cut zero - speed axis to give a lower , though adequate starting torque and a reasonable starting current
  并励电动机（机械特性）方程表明：若磁通和电压恒定，则向下倾斜的转矩/速度曲线的斜率是直接与电枢电阻成正比的。
• How to improve the accuracy of flux observer is very important in high - performance motor system , especially at low - speed or zero - speed situation . high - frequency signal injection is believed the efficient method to solve these difficuilties
  高频信号注入来实现极低速甚至零速情况下磁链位置的观测是目前该领域的热点研究内容，本文采用的是d - q轴阻抗差异法。
• Win600 freight lift is provided with the safe and reliable microcomputer control or plc control . the traction is equipped with vvvf wector to make the start , acceleation , deceleration and stop of lift stable and confortable . zero - speed braking stop is uesd to greatly increase the leveling accuracy , reduce te noise and vibration of operation and save energy over30 % than traditional ac double - speed traction
  Win600系列载货电梯采用微机活plc控制，安全可靠，拖动系统采用vvvf矢量控制使电梯的启动加减速停车都十分平稳舒适，停车时实行零速控制动停靠，大大提高平层精度，降低运行噪音和振动，并且节能环保，比传统的交
• This paper is the theoretical summary of the development around the dynamic positioning system by the writer , which includes several aspects of the studies as follows , 1 . in allusion to the feature of zero - speed of the ship in positioning control process , the dynamic mathematics model of the ship ' s movement has been established , which fits to the dynamic positioning , and the mathematics model of the environment of sea and ocean which disturbs the ship in dynamic positioning , which has founded the base of further study
  本文是作者以rov工作母船为背景，围绕动力定位系统的开发工作所做的理论研究工作，主要包括以下几个方面的研究工作： 1 )针对处于定位控制的船舶工作在零航速附近的特点，建立了适合于船舶动力定位系统研究用的船舶低频运动模型，为满足控制器设计的需要，建立了船舶高频运动模型和海洋环境作用模型，为以后的分析奠定了基础。