搜索结果: 1-9 共查到“机械工程 Generation”相关记录9条 . 查询时间(0.031 秒)
Design of multilayer electrolyte for next generation lithium batteries
Multilayer Electrolyte generation lithium batteries
2015/1/12
Rechargeable lithium ion batteries are widely used in portable consumer electronics such as cellphones, laptops, etc. These batteries are capable to provide high energy density with no memory effect a...
Algorithm for Smooth S-curve Feedrate Profiling Generation
S-curve acceleration/deceleration feedrate control
2011/8/4
The works for feedrate profile generation, such as linear and S-curve profiles, have been proposed all over the world, and these algorithms can greatly improve the smoothness of motion. However, most ...
The curvilinear coordinates’approach to the smart-designs generation problem
Statistic methods Design of experiment Smart-design Curvilinear coordinate system
2009/12/2
Purpose: The aim of this paper is to present an alternative approach to the problem of accuracy estimation for smartdesigns’
class (also named space-filling or intelligent design) by making use of th...
MATHEMATICAL MODELING AND OPTIMIZATION OF TRI-GENERATION SYSTEMS WITH RECIPROCATING ENGINES
co-generation tri-generation optimization, pay-back period primary energy savings
2010/10/11
Tri-generation systems are used to simultaneously produce electrical, heating, and cooling energy. These systems are usually more efficient than conventional systems for separate production and have s...
Elastic-Plastic Deformation of a Tube with Free Ends Subjected to Internal Energy Generation
Elastic-plastic thermal stresses internal energy tube
2009/10/13
The elastic-plastic deformation of a tube with free ends subjected to uniform internal energy generation is evaluated using Tresca's yield condition and the associated flow rule. Yielding starts at th...
基于遗传算法的工艺路线生成及优化（Generation and Optimization of Process Routing Based on Genetic Algorithm）
计算机辅助工艺规划 特征元 工艺路线 遗传算法
2009/9/11
针对计算机辅助工艺规划中的工艺路线的决策问题，通过实例介绍了一种基于遗传算法的工艺路线优化算法。首先将被加工零件划分为若干特征元，采用反向设计法生成每个特征元的加工工序序列；根据特征元之间的约束关系，确定特征元的优先加工关系并建立优化目标函数；设计了校验程序以保证染色体的有效性；在目标函数的基础上建立了适应度函数；设计了染色体的复制、交换和突变算法，然后利用遗传算法对工艺路线进行优化。最后通过实例...
三角网格细分曲面数控加工刀轨快速生成算法（Algorithm of NC Tool Path Generation for Triangular Meshing Subdivision Surface）
三角网格曲面 R*-树 刀轨生成
2009/5/22
提出了一种基于三角网格细分曲面模型的刀轨生成算法，建立三角网格细分曲面模型的空间聚类索引结构，基于该结构实现网格模型与刀轨截面快速、精确求交获取刀触点集，并根据刀触点对应曲面位置处的微分几何性质确定刀位点，采用最小生成树算法对刀位点集排序生成刀轨。实例证明，该算法可有效提高复杂曲面模型的刀轨生成效率及精度。
Toolpath generation method for four-axis NC machining of helical rotor
Helical rotor Ruled surface Four-axis machining
2010/1/19
Purpose: This paper presented a method for generating the toolpaths for the machining of a helical rotor on
five-axis machine tool.
Design/methodology/approach: The geometry of the helical rotor is ...
Comparison of selected tools for generation of knowledge for foundry production
Data mining Knowledge rules Decision trees Rough sets theory
2011/3/17
Two types of data mining tools, suitable for semi-automatic generation of knowledge in a form of logic rules, are presented in the paper: decision (classification) trees and rough sets theory algorith...