转速波动 meaning in English
fluctuation of speed
revolution fluctuation
speed fluctuation
Examples
- Speed fluctuation rate
转速波动率 - Diagnosis of single cylinder misfire using the transient speed fluctuation of crankshaft
利用实测发动机瞬态转速波动诊断单缸熄火 - Dtc system is a high - performance adjustable speed system with fast torque response , but it still has some defects such as torque ripple , speed fluctuate and bad performance in low speed
该控制系统的转矩响应迅速，是一种有高动态性能的交流调速方法。然而，直接转矩控制仍存在转矩脉动、转速波动、低速运行性能差等缺陷。 - This paper makes the feasibility design and study of the dtc ( direct torque control ) system based on analyzing some important parts , such as the arithmetic model of asynchronous motor in - coordinates , the choice of voltage vectors , and flux - linkages models , etc . the research work in this paper is described as follows : 1 analyzing of the dtc theory : material about the development and theory of dtc , the composing of dtc - system are presented in this paper
本文在详细分析了定子坐标系下的异步电动机数学模型、电压空间矢量和磁链观测器的基础上，利用直接转矩控制技术，构建了基于dsp的直接转矩控制系统。论文的主要工作包括以下三个方面： 1直接转矩理论分析研究：针对直接转矩控制理论在低速范围转矩观测器和转速波动等问题，采取了滞环模式切换，矢量细分等改进措施。 - The system has following functions : showing indicator diagram , the mean value of maximum pressure , maximum pressure raise rate and rotating speed , the distribution of maximum pressure , maximum pressure raise rate and ignition advance angles , the speed fluctuation in cycle , speed fluctuation between cycle and ignition advance angles
本系统可以完成如下的工作：测量摩托车发动机的平均示功图；平均最大压力上升率；平均最高压力；平均转速；点火提前角；最大压力分布；最大压力上升率分布；点火提前角分布；循环内转速波动；循环间转速波动等。