英国气象局(MetOffice)负责发布冰岛火山灰对飞机构成威胁的气象报告;它使用切尔诺贝利核灾难事故后建成的模型预测火山灰的运动。
Britain's Met Office, which is responsible for advisories on risks to aircraft from Icelandic ash, predicts the movement of ash clouds with a model built after the Chernobyl disaster.
采用代数综合法求得机构输出总位移的均值和方差,建立了机构运动功能可靠性的分析模型。
The algebra synthesis method is used to obtain the expectation and variance of the assemble responses. The reliability model of mechanism motion function can be built.
分析了基于牵引操舵角的轮式拖车系统的运动跟踪特性,提出了两种满足牵引操舵角概念的机构模型。
The motion tracking characteristics of steering Angle based wheel trailer system were studied. Two mechanism models which satisfy the definition of the steering Angle were present.
介绍了基于单向运动机构的伸缩式管道机器人工作原理,对管道机器人整机系统进行合理简化,得到等效系统模型。
First introduce the working principle of the inchworm in-pipe robot based on unilateral movement mechanism, and then an equivalent system model is founded after simplifying the whole robot system.
分析了摆动从动件圆柱凸轮机构误差产生原因,建立了数学模型,并给出其实际运动规律的方程。
To analyze the cause of design error on Oscillating follower Cylinder Cam Mechanism, building the mathematics model, and affording the equation to conform to actual motion rule.
实现六足并联机构高速,高加速运动控制的关键在于所建动力学模型的准确表达、适当简化以及实时计算速度的满足。
The motion control of the hexapod parallel mechanism with high speed and high acceleration depends on the accurate dynamics model, proper simplification and real-time computing.
根据飞剪剪切机构的工作特点,综合考虑连杆运动轨迹、速度和位置角,建立多目标优化模型。
Based on the working feature of flying shear mechanisms and considering the motion track, velocity and position Angle of connecting rod, a multi-objective optimization model is built.
研究目的是建立机构复杂非线性运动参数的动态预测模型。
The aim of the study is to setup dynamical prediction model of complicated mechanism nonlinear motive parameters.
提出了一种新型模块化并联机床的结构模型,采用并联机构实现了机床的主运动。
A model of a new modularization parallel machine tool, whose main movement is based on parallel structure, is put forward in this paper.
本文建立了悬挂犁和悬挂机构运动特性和提升性能的计算模型和计算机分析程序,能模拟悬挂犁的升降过程。
The mathematical models and the computer program which e. an be usual to analysis the movement and lift characteristics of mounting linkage and mounted plough are developed in this paper.
构建了分纸机构运动反求的数学模型,得到了从动件及分纸吸嘴的运动规律。
The mathematical model for the motion inverse seeking of paper separation mechanism was constructed, and the motion laws of CAM follower and of paper separation suction nozzle were obtained.
首先对柔顺机构中不同柔性元件的运动轨迹进行了分析,给出了其“伪刚体模型”中主要结构参数的确定方法。
Firstly, the configurations of different flexible members in the compliant mechanisms are analyzed, and the main structural parameters of the pseudo-rigid - body model are determined.
建立摇杆式配气机构运动规律的精确计算模型,给出了每一时刻下配气机构各部件的准确位置,具有较高的精度。
In this calculation model for the movement rule of valve train system with rocker, the position of every component is determined, so it has a high precision.
建立双层滑片运动机构的力学模型,并全面分析其力学特性。
The dynamic characteristics of double-decked vanes mechanism are comprehensively analyzed with the aid of the developed model.
研究了运动规律分段式凸轮机构设计方法与流程,对凸轮机构运动的数学公式进行了详细的分析和推导,建立了凸轮机构的数学模型。
The paper researches designing method of the motion rule-divisible CAM mechanism, makes a detailed analysis of the mathematical equation, and builds the mathematical model of the CAM mechanism.
并在此基础上通过改变模型参数,使该建模方法同样适用于解决平面多杆机构的运动可靠性问题。
On the basis of it, the method of establishing the mathematical model is also suitable for calculating the reliability of motion of plane multi bar linkages by changing the parameters of the model.
讨论了在机构运动网络仿真系统设计中,VRML模型的设计实现技术,为建立机构设计网络仿真系统奠定了基础。
The design and implement technique of VRML model in simulation system of mechanism movement were discussed, which was as a base for establishing a simulation system of network for mechanism design.
为探索这类全柔性机构的运动学问题,首先建立起柔性铰链变形刚度模型。
To specify it, the stiffness models of the flexible joint by using the displacement matrix method in structural analysis are established firstly.
采用D-H后置法建立了4R机器人运动方程,建立机器人执行机构在空间相对位置关系的数学模型,由此可解出手部位置和用单位矢量方向余弦表示的姿态。
A kinematics model by post D-H method for 4R-robot was offered in this paper, which derived the manipulator finger position and its attitude with unit vectors of direction cosine.
提出了仿袋鼠跳跃机器人机构模型及运动学研究的方法。
A mechanism model and a kinematics research method for bionic kangaroo hopping robot are presented.
根据该机构运动分析所建立的数学模型,在VB6 .0上编写了人机对话分析软件。
According to its mathematical models, an analytical software was programmed by VB 6 0. This software has good human computer interactions in collaboration.
本文建立了高速压力机曲柄滑块机构的运动学模型,并仿真分析了高速压力机中曲柄滑块机构的运动学特性。
This paper focus on establishing kinetic model and simulating kinematics by ADAMS, and analyzes the kinetic characteristic of the crank block mechanism in high-speed press through simulation.
本文首次给出了在连续接触模型下获得的具有四个运动副间隙的平面四杆机构的运动方程数值解。
In this paper, By a continuous contact model, the numerical solution of the governing equations of planar four-bar linkage with multiple clearances at turning pairs is obtained for the first time.
根据模糊决策的理论,建立了模糊综合评判模型,将该模型用于选择摆动式递纸机构的运动规律,并通过具体使用要求的算例验证了该模型。
Established fuzzy synthesis appraising model according to theory of fuzzy decision, the choice of the Law of follower motion for Swing transfer mechanism has been applied with this model.
为了求解曲柄导杆机构的运动学规律,运用矢量法进行了分析,建立了曲柄导杆机构的运动学数学模型。
Using the vector method to analyse and solve kinematics of the crank-pilot bar mechanism, thus established the kinematical mathematic model of the crank-pilot bar mechanism.
第三章提出了运动功能到机构映射、机构映射到机构组合的层次运动方案设计模型。
The model is composed of three levels, namely motion function, mechanism mapping and mechanism combination.
研究符合袋鼠生物运动特征的柔性弹跳机构模型及其动力学特性是仿袋鼠机器人研发的必要基础和关键技术。
Making the compliance hopping model according with the kangaroos' kinematics and doing research to model's dynamics have become the pre-requisite and key problem for making the hopping kangaroo robot.
研究符合袋鼠生物运动特征的柔性弹跳机构模型及其动力学特性是仿袋鼠机器人研发的必要基础和关键技术。
Making the compliance hopping model according with the kangaroos' kinematics and doing research to model's dynamics have become the pre-requisite and key problem for making the hopping kangaroo robot.
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