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关于叶轮机械中径向运动方程在绝对坐标系下与相对坐标系下相互转换的讨论
分子动力学模拟 界面裂纹 断裂
2007/12/5
关于叶轮机械中径向运动方程在绝对坐标系下与相对坐标系下相互转换的讨论。
摘要针对多机械臂共同搬运同一物体形成闭运动链的协调系统，研究了多机械臂协调动态载荷分配存在冗余情况下的实时性分配方法文中提出了“应集中惯性质量棒”的概念，进而根据各机械臂的承载能力，采用线性加权的方法发展了一种操作物体质心处零内力的载荷分配原则。最后给出了系统载荷分配的解析表达式，有效地解决了多机械臂搬运同一物体时其动态载荷分配的实时性问题。
叶轮机械气固两相流研究
叶轮机械 气固两相流
2007/12/5
摘要回顾了国内外叶轮机械气固两相流的研究历史和现状,从学科发展及应用背景出发,提出主要的研究内容,并对各方面问题的深入研究提出自己的见解。
速比与机械效率的关系
机械效率 速比 斜面 杠杆
2007/12/5
本文讨论机构的机械效率与其速比之间的关系，分别根据斜面及杠杆这两种基本的变速方式进行具体讨论，得出定量关系，并得出采用杠杆方式变速较斜面方式变速可以获得较大的机械效率的结论．
FFT-based spectral dynamic analysis for linear discrete dynamic systems
Numerical techniques Linear discrete system Spectral analysis method
2007/11/30
Purpose: An FFT-based spectral dynamic analysis method is developed for the viscously damped, linear discrete dynamic systems subjected to nonzero initial conditions.
Design/methodology/approach: The...
The automation of analysis of technological process effectiveness
Production planning and control Technological efficiency Technological process
2007/10/30
Purpose: Improvement of technological processes by the use of technological efficiency analysis can create basis of their optimization. Informatization and computerization of wider and wider scope of ...
A Graphical Design of an Input-Shaping Controller for Quay-Side Container Cranes with Large Hoisting: Theory and Experiments
Input-shaping container crane crane control
2007/9/30
Input-shaping is a practical open-loop strategy for the control of transient and residual oscillations on cranes, especially those
having predefined payload transfer paths and repeated maneuvers. In ...
Development of rolling mill for rectangular orthodontic wires production
Manufacturing and processing Rectangular wires Orthodontic
2007/9/30
Purpose: In orthodontic treatments, wires of different metallic alloys are used for alignment, leveling, correction of the molar position, space closing, finish and retention. The purpose of the paper...
Purpose: Modeling of production systems is very important and makes optimization of complicated relation in production system possible. The purpose of this paper is introducing artificial techniques, ...
The signal connections in robot integrated manufacturing systems
Robotics Mechatronics Technological devices and equipment
2007/7/30
Purpose: The main goal of this paper is that, the robot integrated manufacturing systems are more popular and useful in the industry. Moreover, the communication in those systems might be realized by ...
Required buffer capacities in assembly systems
Production and operations management Assembly system Buffer capacity
2007/7/30
Design/methodology/approach: The theoretical roots of the considerations presented in that paper include theory of constraints. The presented approach is consistent with the authority method called Re...
Incremental sheet forming process modelling - limitation analysis
Analysis and design Technological design Plastic forming
2007/6/30
Purpose: of this paper is incremental sheet forming (ISF) process modelling. Main attention is paid to limitation analysis. Two kinds of risks are considered: material failure and tool failure. Aim of...
IDSS used as a framework for collaborative projects in conglomerate enterprises
Project management Productivity and performance management ERP
2007/5/30
Purpose: of this paper is to summarize the application study of the general framework of intelligent decision support system (IDSS) to collaborative projects in conglomerate enterprises. Today’s marke...