The multiple motion errors duringcircular interpolation of NC machine tools can be obtained by using double ball bar tester.
可用双球规测量装置测得数控机床圆弧插补运动的综合误差。
Results of the numerical example indicate that the output motion errors can be significantly reduced by this programming method.
数值例结果表明,这种规划方法可以显著降低机器人输出运动误差。
The model expresses the relative motion errors of the tool with respect to the workpiece as a location function of its elemental errors.
该模型把刀具相对于工件的空间误差表示为机床各结构件之间运动误差的位置函数。
The effects of geometric eccentric and deformation of gear blank to motion errors is analyzed and an error model for gears left and right tooth profiles is built.
讨论了齿轮运动误差与模拟齿轮加工过程的关系;分析了齿坯几何偏心和变形对齿轮运动误差的影响;建立了左右齿廓形误差模型。
The effects of geometric eccentric and deformation of gear blank to motion errors is analyzed and an error model for gear's left and right tooth profiles is built.
分析了齿坯几何偏心和变形对齿轮运动误差的影响;建立了左右齿廓形误差模型。
The instrument provides a new and important method for the dynamic test of circular locus motion errors of 3-d measuring machines, NC machine tools and other equipments.
该仪器为三座标测量机、数控机床等设备的圆轨迹运动误差的动态检测提供了新的重要手段。
Aiming at channel errors and motion errors appearing in the tri-channel SAR-GMTI, a method of detection and positioning for the moving ground targets is presented based on the error calibration.
针对机载三通道SAR-GMTI存在通道误差、运动误差等情况,提出了一种基于误差校正的SAR图像域动目标检测和定位方法。
But the motion compensated pixels in frame 1 have sub-pixel positional errors.
但是帧1中经过运动补偿的像素具有子像素位置误差。
The relationship between the detection of feature points and the measurement of motion parameters is studied in this instance of ignoring the camera calibrate errors.
在不考虑摄像机内外参数标定误差的情况下,研究了标志点像元的测量精度对运动参数测量的影响。
Through motion analysis and based on registration we achieve velocity measurement without principle errors for the first time.
基于配准,通过运动分析首次实现了流速的无原理误差测量。
Output errors of power amplifiers, hysteresis and creep error of PZTs and coupling error among the actuators are the critical factors affecting the motion accuracy of micromanipulator.
功率放大器的输出误差、压电陶瓷的洄滞及蠕变误差、驱动器之间的耦合误差等是影响机器人运动精度的关键因素。
The mathematic models of errors among movement and shape seat, manufacture, motion quality etc. are established and the computing method of three motion reliability is put forward.
建立了运动误差与形位公差、制造误差及运动副质量误差等因素的数学模型,给出了三种运动可靠度的计算方法。
This paper deals with errors of motion linearity and slope concerning the carriage (table) of machine tools, and the methods by which errors are evaluated and measured.
本文论述了机床溜板(工作台)移动的直线度和倾斜度误差及其评定和测试方法。
The motion optimization method is proposed, by which transmission errors anddiscontinuousness of tooth surface meshing is decreased to minimum.
提出了运动优化的方法,通过预设传动误差抛物线函数,使齿面啮合时运动误差和不连续性减至最小。
This paper described a new method and instrument for measuring geometric errors when the numerical control (NC) machine tools were commanded moving on circular motion.
介绍一种新的可用于数控机床圆轨迹运动误差测试的二维球杆仪。
Moreover, impedance model parameters are adjusted fuzzily to reduce the force errors in the constrained motion and improve the global force control performance.
通过对阻抗模型参数进行模糊调节减少受限运动中的力误差,提高了全局的力控制效果。
The study suggests that the mal-coordination of the motion parameters within the time-step is the major factor that accounts for the result errors of step-by-step integral for dynamic equation.
算例结果表明时间步长内结构的计算运动参数不协调,是时程积分结果误差的一个主要原因。
Rigid body motion, surface errors, surface roughness, surface scattering and diffraction are mainly reasons which affect image quality of the X-ray imaging telescopes.
镜片刚体运动误差、表面误差、表面粗糙度、表面散射和衍射是影响X射线成像望远镜成像质量的主要因素。
There exist manufacture and install errors in the actual six degrees of freedom motion platform, these errors will affect the platform's position and pose precision.
实际的六自由度转台存在着制造、装等误差,这些误差都会影响转台的位姿精度。
A phase error model, in which the time synchronization error, frequency synchronization error and motion error are considered, reveals the sources of phase errors.
同步以及运动误差会引入相位误差,本文中提出了相位误差模型。
Since the kinematics of the relative motion between the target and the interceptor is actually nonlinear, guidance laws traditionally based on linearization cause errors in the interception.
目标和拦截弹间的相对运动是非线性的,采用传统线性化模型建立的拦截制导律会因为线性化而带来误差。
The errors in the Marine magnetic gradient measurement are divided into system noise, heading errors, geometrical effects, swell noise and sensor motion.
将影响梯度测量的误差主要分为四种:系统误差、航向磁效应、几何效应、波浪噪声及传感器运动误差。
The proposed controller could stabilize the motion of each actuator, and meanwhile synchronize all actuators' motions so that both position and synchronization errors converged to zero.
所设计的控制器能够在保证每单个执行机构运动稳定的同时还可以保证所有执行机构的运动同步,使位置误差和位置同步误差都收敛到零。
The theoretical analysis and measuring tests show that not only the radial errors of the poi nt on circular motion locus, but also the angular errors can be measured.
理论分析和测量试验证明,该仪器不仅可以测量圆轨迹点的径向误差,而且可以测量角度误差。
The detailed analyses for digitization errors from the processing of digitizing strong motion accelerograms using digitizer and scanner and their elimination method and software are made.
详细地分析了用数字化仪和激光扫描仪对模拟加速度记录进行数字化时所产生的误差及消除这些误差的方法和软件。
The results show that, through the 3D motion simulation, design errors can be discovered early, design efficiency enhanced and design cost reduced effectively.
研究结果表明,通过运动仿真与干涉检查,能发现模具的早期设计问题以及时进行修正和改进,有效提高了设计效率,降低了设计成本。
The results show that, through the 3D motion simulation, design errors can be discovered early, design efficiency enhanced and design cost reduced effectively.
研究结果表明,通过运动仿真与干涉检查,能发现模具的早期设计问题以及时进行修正和改进,有效提高了设计效率,降低了设计成本。
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