crest width meaning in Chinese
坝顶宽度
波峰宽度
顶部宽度
端面齿顶厚
峰宽
Examples
- The simulation results prove that this control technique can effectively minimize the torque ripple for the bldcm drives whose back - emf waveform crest width is less than 120
仿真结果表明这种控制策略能有效地抑制反电动势平顶宽度小于120电角的无刷直流电动机的换相转矩脉动。 - Furthermore , this dissertation also gives a comprehensive analysis and comparison to the torque ripple factor , torque - current ratio and other aspects for pseudo - sinusoidal emf bldcm drived by 120 conduction mode , 180 conduction mode and self - synchronous svpwm mode respectively . the simulation and the experimental results indicate that self - synchronous svpwm method is more effective for minimizing the torque ripple without any expense of the torque - current ratio when the crest width of the back - emf waveform is less than 107 electrical angles
对准正弦波反电动势无刷直流电动机在120导通方式、 180导通方式和自同步svpwm三种控制方式下的转矩脉动系数、转矩电流比等方面进行了全面的分析与比较，仿真研究和实验结果表明，当反电动势的平顶宽度小于107电角时，采用自同步svpwm控制方法可以在不损失转矩电流比的基础上，更有效地抑制电磁转矩脉动。 - Secondly , the effects of the crest width of the back - emf waveform to the torque ripple in the 120 ? conduction mode are analyzed , among which the effects of the advance commutation angle to the torque ripple are quantificationally analyzed for the bldcm drives whose back - emf waveform crest width is less than 120 ? ,
其次分析了120导通方式下反电动势平顶宽度对转矩脉动的影响，对于平顶宽度小于120电角的非理想梯形波反电动势，定量分析了换相超前角对换相转矩脉动的影响。 - For the bldcm which has a general crest width of the back - emf waveform , two kinds of torque ripple conditions when drived by sine - wave current as well as by square - wave current are deduced based on the mathematical models . in addition , a comparison is carried out between these two conditions , which indicates that sinusoidal current driving is more favorable to minimizing the torque ripple when the crest width of the back - emf waveform is less than a certain value
阐述了抑制齿槽转矩措施对反电动势波形的影响，利用无刷直流电机的数学模型推导并比较了任意平顶宽度梯形波反电动势在正弦波和矩形波两种电流驱动下的电磁转矩脉动情况，得出在梯形波平顶宽度减小到一定数值后采用正弦电流驱动更有利于减小电磁转矩脉动。