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20040922
- 通过三维有限元计算来研究含圆孔有限厚度板的圆孔边缘应力场,找出了应力集中系数与板的厚度、 圆孔半径之间的关系,同时还分析了圆孔边缘的三维应力约束程度和三维应力约束区域的大小. 研究结果表 明:离面应力约束系数在板的中面最大,而在表面为0 ,三维应力约束影响区域的长度约为板厚的一半 应力 集中系数沿厚度的分布是不均匀的,其最大值及位置与厚度有关 有限厚度板中面的应力集中系数及其最大 值均大于平面应力或平面应变的应力集中系数 对含圆孔任意厚度板的应力集中问题,按平面应力或平面应
theSVPWMreviewofthreelevelinverter
- 本文综述了现有对三电平的调制方法，主要讲述了几种空间矢量调制方法，对初学者很有益处。-This paper reviews the existing pairs of three-level modulation methods, focuses on several space vector modulation method, useful for beginners.
DSP
- 。本文针对三电平高压变频器控制要 求的特点，设计了基于DSP 和FPGA 的控制电路。利用DSP 进行高速浮点计算，满足实时控制的要求；FPGA 并行执行 程序，实现了多路触发信号的同时控制，而且由于采用了硬 件电路完成计算，提高了控制系统的可靠性-. In this paper, three-level voltage inverter control requirements of the features, design and FPGA-based DSP control
ADSP-21262
- High performance 32-bit/40-bit floating-point processor Code compatibility—at assembly level, uses the same instruction set as other SHARC DSPs Single-instruction multiple-data (SIMD) computational architecture— two 32-bit IEEE floating-point
SFS_3
- 论文介绍了一种SFS 算法的参数估计及其实现。它在考虑自遮掩影响的情况下, 有效地估计了SFS 算法中涉及的各种控制参数, 并引入亮度约束、灰度梯度约束和可积性约束, 计算出表面高度和表面向量, 实现三维重构。最后还指出了在Matlab 中实现需要注意的问题。-The paper introduced a SFS algorithm parameter estimation and its implementation. It under the condition of considering
neutralptclamped
- THIS SIMULATION CONTAINS AN THREE LEVEL NEUTRAL POINT CLAMPED INVERTER AND IT IS COMPARED WITH INVERTER WITH 150 DEGREES CONDUCTION MODE.
flying
- THIS SIMULATION CONTAINS AN THREE LEVEL CASCADED MULTILEVEL INVERTER AND IT IS COMPARED WITH INVERTER WITH 150 DEGREES CONDUCTION MODE.
threelevel
- THIS SIMULATION CONTAINS AN THREE LEVEL NEUTRAL POINT CLAMPED INVERTER AND IT IS COMPARED WITH INVERTER WITH 150 DEGREES CONDUCTION MODE.
05157427_mppt_uref
- high-capacity three-phase four-wire grid-connected PV system based on Boost converter and dual-level four-leg inverter is proposed
JP2216191626
- a five-level inverter is compared with two, three and four levels and this five level structure is proposed
storage-
- 主要讲解当前国内立体仓储的发展方向与现阶段技术水平。-Mainly to explain the current domestic development direction of three-dimensional storage and the current level of technology.