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unknown-surface
相关语句
  未知曲面
     Research on rectangle-division adaptive measurement methods for unknown-surface
     未知曲面的矩形细分自适应测量方法研究
短句来源
     1. The rectangle-division method for unknown-surface adaptive measurement is firstly provided to realize adaptive distribution of measurement points. The validity of this method is testified through simulation analysis and a mouse model experiment. The methodology provides a new way for improving measurement precision and efficiency.
     1.首次提出了未知曲面自适应测量的矩形细分法,实现测点的自适应分布,并通过仿真分析和实验研究,验证了该方法的有效性,为提高未知曲面的测量精度和效率提供了一种新方法。
短句来源
     Disadvantage of current methods of unknown-surface measurement is analyzed. The rectangle-division method for unknown-surface adaptive measurement is provided to improve measurement precision and efficiency. Measurement point adaptive layout in 2-D is realized and the feasibility of the method is testified by simulation.
     介绍了几种常见的自由曲面测量测点自适应规划方法,分析了现有未知曲面测量方法的不足,针对未知曲面的测量精度和效率问题,提出了一种未知曲面自适应测量的矩形规划方法,以实现沿两维方向的测点自适应,并通过仿真实验验证了该方法的可行性。
短句来源
  相似匹配句对
     s,with unknown density f(x).
     s,f(x)为其未知的密度函数,我们讨论了f(x)的估计的相合性。
短句来源
     The Unknown Britain
     鲜为人知的英国点滴
短句来源
     peak 9-unknown;
     9号峰—未定;
短句来源
     Deconvolution for Unknown Mixed-phase pulse
     一种适用于混合相位未知脉冲的反褶积方法
短句来源
     Surface Roughometer
     表面粗糙度测试仪
短句来源
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A new kind of laser sensor together with hardware and software systems for noncontact position measurement is presented. The principle of the sensor is based on an improvement of the triangle principle. The laser light reflected from the surface tested is imaged on a linear CCD. Only one set of CCD and signal processing circuit is used instead of three as found in ordinary design. It is of less shadow effect and high linearity. A specific circuit independent of the computer system is used for signal processing....

A new kind of laser sensor together with hardware and software systems for noncontact position measurement is presented. The principle of the sensor is based on an improvement of the triangle principle. The laser light reflected from the surface tested is imaged on a linear CCD. Only one set of CCD and signal processing circuit is used instead of three as found in ordinary design. It is of less shadow effect and high linearity. A specific circuit independent of the computer system is used for signal processing. With a specific method for computing the position of the light spot on CCD by its weight center, the measuring speed and accuracy are greatly improved. The sensor has successfully been used in the automatic measurement of an unknown surface on Huazhong Type Ⅰ Machining Center.

介绍一种新型激光非接触位置测量传感器和相应的硬、软件系统,该激光测头有效克服了同类非接触式测头线性度差、存在阴影效应等缺点.采用的专用线阵CCD数据采集电路和相应的处理方法,显著地提高了激光测头的测量速度和精度.该激光测头在华中Ⅰ型数控加工中心上成功地实现了未知曲面的数控自动测量.

 he mathematical model of calculating the unknown surface temperature and surface heat flux from one or more temperature measurements in a solid during onedimensional transient heat conduction is established in this paper using Beck′s nonlinear estimation procedure,and a general computer program IHCPP is written.In order to verify the program′s reliability,a periodic heat flux is assumed to impose on the surface of an electric heating rod which is used to simulate a fuel rod in pressurizedwater reactors.The...

 he mathematical model of calculating the unknown surface temperature and surface heat flux from one or more temperature measurements in a solid during onedimensional transient heat conduction is established in this paper using Beck′s nonlinear estimation procedure,and a general computer program IHCPP is written.In order to verify the program′s reliability,a periodic heat flux is assumed to impose on the surface of an electric heating rod which is used to simulate a fuel rod in pressurizedwater reactors.The results show that there is a close agreement between the calculated heat flux and the assumed heat flux.The heat transfer correlations between watersteam mixture and water separator inner wall during transient heat transfer experiments are obtained with program IHCPP from measured temperatures by five NiCrNiSi thermocouples inserted in water separator wall in different depths.  

利用Beck所提出的非线性估算方法,本文建立了一维瞬态导热过程中由固体内部一个或多个温度测点的测量值计算边界表面上未知的温度与热流密度的数学模型,编写了通用计算程序IHCPP.为了验证程序IHCPP的可靠性,假设在模拟压水反应堆燃料棒的电加热棒表面上施加周期性的热流密度变化,结果表明计算所得的热流密度与假设的热流密度比较一致.程序IHCPP根据布置在汽水分离器筒壁内不同深度的5个热电偶在瞬态传热试验中的温度测量值计算得到了汽水两相混合物对汽水分离器内壁放热系数的关联式.

A novel intelligent strategy of force control for robot based on the theory of Large Scale System is presented for the first time. A hybrid kinematic model of force and position parallel loop, one of the key problems about the large scale system for robot′s force control, is given in detail. In the task coordinate, the axes for position control and the axes for force control are orthogonal. The equation, by which dynamic tangent to an unknown surface during motion is determined under the consideration of friction,...

A novel intelligent strategy of force control for robot based on the theory of Large Scale System is presented for the first time. A hybrid kinematic model of force and position parallel loop, one of the key problems about the large scale system for robot′s force control, is given in detail. In the task coordinate, the axes for position control and the axes for force control are orthogonal. The equation, by which dynamic tangent to an unknown surface during motion is determined under the consideration of friction, has precisely been derived from forces and torque of wrist force/ torque sensor. By means of it, some experimental researches about tracking bulb have been implemented in an AdeptThree robot manipulator. The results have proved that hybrid kinematic analyses of force and position parallel loop are effective and feasible.

提出用大系统理论进行复杂的机器人力控制研究,介绍了与之相应的智能力/位并环控制新策略,针对力控制中未知环境约束运动的特点,详述了力控制大系统智能新策略中核心:根据腕力传感器输出的三维力,考虑摩擦力的影响,推导了动态求解机器人终端与环境接触点的法向——力控方向和切向——位控方向的公式,从而建立了基于力反馈的运动学模型,有效解决了长期遗留的未知环境约束运动中的难题。

 
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