查询词典 numerical table
- 与 numerical table 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Orthogonal test was an effective method to resolve multi-factor problems. By determining the levels of value of injection-production parameters and getting a few combined projects by orthogonal table, numerical tests of these projects were carried out.
采用正交设计确定注采参数的位级取值,利用正交表得到少量的组合方案,对方案进行数值试验,综合考虑技术和经济因素,定义了蒸汽驱开采效果的评价指标。
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After the design with studying to the automatic graduation numerical control backward table of his major hardware device is carried out, the range of processing complex ruled surface by WEDM is widened, and the problem in cutting parts with complex surfaces is solved.
开发了能实现空间曲面零件电火花线切割加工的极坐标加工系统,阐明了系统的组成和运动规律,对其主要硬件装置———翻转式自动分度数控回转台进行了设计和研究,从而进一步拓宽了电火花线切割加工的工艺范围,解决了空间曲面零件的加工难题。
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In view of special applications of multi-pole magnetic permanent torque motor used for precise numerical control rotary table, motors with higher torque density and lower torque ripple s are needed.
针对精密数控转台伺服直接驱动用多极永磁力矩电机的特殊应用问题(要求电机有较大的转矩密度且较小的转矩波动),在分析该种电机的特殊结构的基础上,提出一种新型不等齿顶宽结构,以提高绕组利用系数,加大电机的转矩密度;并采用转子斜极的方法,可在有效消除转矩波动的同时,电机仍保持较高的绕组利用系数。
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In view of special applications of multi-pole magnetic permanent torque motor used for precise numerical control rotary table, motors with higher torque density and lower torque ripples are needed.
针对精密数控转台伺服直接驱动用多极永磁力矩电机的特殊应用问题(要求电机有较大的转矩密度且较小的转矩波动),在分析该种电机的特殊结构的基础上,提出一种新型不等齿顶宽结构,以提高绕组利用系数,加大电机的转矩密度;并采用转子斜极的方法,可在有效消除转矩波动的同时,电机仍保持较高的绕组利用系数。
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To high-precision ring permanent magnet torque motor servo system used in direct drive numerical control rotary table with the request of smooth operation at low speed, the precision is mainly restricted by cogging torque.
中文摘要:对于要求在低速下能够平稳运行的高精度直接驱动数控转台用环形永磁力矩电机伺服系统,它的定位精度主要受到以齿槽转矩为主的扰动力矩的影响。
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Having carried on the design with studying to the automatic graduation numerical control backward table of his major hardware device, thus widen the range of processing complex ruled surface by WEDM, and solved the problem in cutting parts with complex surfaces.
开发了能实现复杂型面零件电火花线切割加工的多轴联动加工系统,阐明了系统的组成和运动规律,研制了其主要硬件装置——数控回转台,并进行了加工实验研究。
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Numerical simulation and shaking table tests for acceleration response of piles in liquefiable ground were performed under three earthquake events.
结果表明:三种地震输入下,自下而上沿桩-柱墩长度方向,加速度峰值放大系数变化基本一致且均出现在10~20s时段内,加速度时程曲线的形状也极其相似;压缩0.15g El Centro波输入下加速度反应在砂土层与黏土层过渡带有增大趋势、在地表则有一定程度减小,且压缩0.15g El Centro波较0.15g El Centro波输入下均偏小,0.15g El Cen-tro波输入下自下而上桩的加速度时程幅值和峰值放大系数的试验值、计算值均一直有较大幅度增大;0.5g El Centro波输入下,加速度时程幅值的计算值和试验值在桩折断位置之下一直增大、至砂土层与黏土层过渡带则大大减小,加速度峰值放大系数的试验值和计算值在砂土层与黏土层过渡带突变增大、而在地表则明显减小,且较0.15g El Centro波输入下桩的峰值放大系数要偏小。
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For the characteristic of ring permanent magnet torque motor used in direct drive numerical control round table suffering from the effect of load disturbances and parameter variations, the H∞ controller design methodology without the orthogonality assumptions is combined with m-K iteration in m synthesis to design a m-H∞ speed controller in this paper.
针对直接驱动数控转台用环形永磁力矩电机易受负载扰动及参数变化影响的特点,将去除正交性假设的H∞控制器设计方法与m综合中的m-K迭代法相结合,设计了一个m-H∞速度控制器。
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For the characteristic of the ring permanent magnet torque motor used in direct drive numerical control round table suffering from the effect of load disturbances and parameters variations, a multi-objective mixed H2/H∞ static output feedback controller, which makes all poles of the closed-loop system be located within a prescribed linear matrix inequality region D to achieve pole placement, is designed based on LMI.
针对直接驱动数控转台用环形永磁力矩电机易受负载扰动及自身参数变化影响的特点,文中基于线性矩阵不等式(linear matrix inequality, LMI),设计了一个多目标混合H2/H¥静态输出反馈控制器,该控制器可使闭环系统的极点均落在预先选定的线性矩阵不等式区域D内来实现极点配置。
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The restoring force, torsional effect and peak values(displacement, velocity, acceleration) at each floor during the shaking table test are also presented in the report. Finally, a numerical model of this steel structure is developed by Drain2D+ computer program. Model is proved by test result.
最后,以Drain2D+建立本试验结构之二维数值模型,根据试验过程中之不同结构形式所模拟之不同地震状况,进行动力分析,并与振动台试验结果做比较,可以验证此一数值模型的可靠性,并更进一步利用此数值模型求出其结构模态以及塑性铰产生的时机与顺序及其生成的位置。
- 推荐网络例句
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Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".
歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车,和一双合并为一移交&整个lotta爱&。
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This is Kate, and that's Erin.
这是凯特,那个是爱朗。
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Articulate the aims, objectives and key aspects of a strategic business plan.
明确的宗旨,目标和重点战略业务计划。