搜索结果: 1-6 共查到“机械制造自动化 R-D model”相关记录6条 . 查询时间(0.187 秒)
The physical and mathematical foundations of the Oriented-Eddy Collision turbulence mo del are provided through a discussion of the Reynolds averaged NavierStokes (RANS) equations, probability density...
重型弧齿锥齿轮铣齿机数控加工模型建立与仿真（Model and Simulation for Numerical Control Machining of Heavy Duty Spiral Bevel Gear Cutting Machine）
弧齿锥齿轮 重型铣齿机 数控加工模型
2009/11/3
通过分析弧齿锥齿轮加工原理及传统机械摇台式弧齿锥齿轮铣齿机的结构和机床运动关系，建立了弧齿锥齿轮铣齿机加工坐标系。采用刀盘主轴进给方式代替传统的整体工件箱部件或摇台部件进给方式，建立了重型弧齿锥齿轮铣齿机三维结构模型。分析了由传统机械摇台式弧齿锥齿轮铣齿机调整参数转变为重型数控弧齿锥齿轮铣齿机调整参数的原理和计算方法，建立了重型弧齿锥齿轮铣齿机的数控加工模型。通过计算实例，得到了重型数控弧齿锥齿轮...
Gain Scheduling Adaptive Model Control
Adaptive Control Adaptive Model Control Gain Scheduling Time Varying Plants
2009/10/14
Adaptive Model Control (AMC) is an adaptive control methodology that makes use of FIR (Finite
Impulse Response) adaptive modeling and that requires a minimum of a priori knowledge about the plant to ...
A SINGLE, PARTICLE-SIZE MODEL OF SULFUR SELF-RETENTION - A GRAIN MODEL APPROACH
coal combustion sulfur retention by ash
2009/10/13
A developed overall model for sulfur self-retention in ash during coal particle combustion is presented in the paper. The total sulfur content in char, after devolatilization, is evaluated using a der...
基于瞬时切削力和实体模型的三轴铣削仿真与试验（Simulation of 3-Axis Milling Based on Solid Model and Instantaneous Force）
实体模型 瞬时切削力 数控加工仿真
2009/9/2
引入加工面生成点概念，提出基于瞬时切削力的刀具变形计算和变形刀具移动扫描体的实体建模方法，通过布尔运算生成包含有几何与物理误差的仿真加工模型, 以图形动态显示仿真加工模型的生成过程，并给出精确测量仿真加工模型的方法; 采用PARASOLID建模核心和OpenGL对上述算法完成系统实现。仿真和实际加工试验结果表明，最大仿真误差为0.012mm、最小仿真误差为0.004mm，平均仿真误差为0.008m...
Model reference-based machining force and surface roughness control
Machining Model-based control system Genetic programming
2010/2/4
Purpose: The main objective of this paper is to present the development of an empirical model-based control mechanism to maintain a fine surface finish quality by maintaining on-line cutting values.De...