Research on Contour Control Method of CNC Mechanical Polishing Machine for Aluminum Alloy Wheel Hub Surface 铝合金轮毂曲面CNC机械抛光轮廓控制方法研究
Contour Control for Linear Motor XY Table based on Equivalent Errors Method 基于等效误差法的直线电机XY平台轮廓控制
Stereo Matching Algorithm for Contour Map Ground Control Points Extraction 提取轮廓图背景控制点的立体匹配算法
High-speed contour motion control technology have been applied in industry extensively. 高速轮廓运动控制技术已广泛应用于工业中。
The current advantage and the shortage about the contour error control method of CNC machine tools are analyzed in the paper, and the contour error real-time compensation method based on the time series predictive technology is promoted. 分析了现有数控机床轮廓误差控制方法的优势与不足,提出了基于时间序列预测技术的轮廓误差实时补偿方法。
The control of porosity and connectivity of the scaffold is realized by alternating the combination of contour, filling and control of the scanning direction which improves the structural biocompatibility of the implant and early concrescence through the technology. 通过对扫描过程的控制,实现对成形制品的孔隙率与连通性的控制,从工艺角度进一步提高了植入物的结构相容性和早期愈合水平。
Principle and design of contour and numerical control technological of lebus rope groove Lebus绳槽的仿形&数控工艺原理与设计
The paper analyzes the following error and contour error in multi-axes motion path control for robot based-on the math model of bi-axial system, and puts forward correlative compensating methods. 论文针对机器人多轴轨迹运动控制中存在的跟踪误差和轮廓误差进行了一定程度上的分析,并以两轴系统的数学模型为基础,提出了相关的补偿方法。
This paper presents systematically the methods of part programming, contour controlling and the computer numerical control system of 4 axes wire EDM. 本文系统深入地讨论了四轴线切割微机数控系统的工件描述方法、轨迹控制原理和数控系统硬软件的实现(?)
Interpolation with non-accumulative errors for contour control 轮廓控制系统的无累积误差插补法
In the thesis several key technologies, such as Acceleration/ Deceleration control, curve interpolation, servo control and contour control are researched in details aimed at the development of high-performance CNC system. 论文针对开放式、高性能数控系统发展需要,对数控系统的几个主要关键技术-加减速控制、曲线插补方法、伺服控制、轮廓控制进行了深入研究。
In this thesis, a contour control software of the CNC grinding wheel dresser has been presented. 本文介绍了一种用于CNC系统实时轨迹跟踪的软件。
The main content of this article include the research of motion characteristics of feeding mechanism, the research of servo control and tracking control techniques of feeding systems, and contour error control techniques of multi-axis motion. 课题研究的主要内容包括:超精密机床进给机构的运动特性研究,进给系统的伺服控制技术和跟踪控制技术研究,两轴联动轮廓误差控制技术研究等。
The chain code of the contour represents the orientation and the curvature of the contour, and the control points are detected by the extrema of the wavelet transform after adaptive smoothing. 轮廓链码表示轮廓的走向及轮廓曲线的曲率,经过自适应平滑后由小波变换的极大值检测得到角点,即大曲率点。
S: The machining accuracies of workpieces are directly influenced by contour accuracy control in ultra precision machining, and the contour control accuracy is effected by coordination of the two axes given by the cross coupling controlling algorithm. 超精密加工的轮廓精度控制直接影响到工件的加工精度,交叉耦合控制算法通过对两轴进行协调而影响轮廓控制精度。
To plant trees and grasses persistently, to use soil resources effectively, and build terraces, deeply plough soil, spread technique of contour cultivation, control erosion; 坚持植树、种草,合理利用土地资源,修筑梯田,深耕土地,推广等高耕种技术,控制水土流失;
In rapid prototyping ( RP) system using LOM technology, the motion_controlling card is widely used in contour control, driving tool ( laser) for cutting workpiece contour. 在应用LOM技术的快速原型(RP)系统中,运动控制卡广泛用于轮廓控制,驱动刀具(激光)实现工件轮廓的切割。
The algorithms of key technologies including the acquirement and process of satellite pictures, the way to match satellite pictures with corresponding terrain contour, and the control of texture precision were introduced. 给出了卫星照片获取、卫星照片与地形轮廓匹配、贴图精度控制等关键技术的实现算法。
Effects of Contour Hedgerow Intercropping on Surface Flow Control of Sloping Cropland 等高固氮植物篱控制坡耕地地表径流的效果
Research on ACC/ DEC Control 、 Servocontrol and Contour Control of CNC System 数控系统运动平滑处理、伺服控制及轮廓控制技术研究
This method provides each axis with an additional compensating function according to the contour errors by adaptive fuzzy inference control, so the CNC system contour machining accuracy is modified. 该方法依据系统的轮廓误差,通过自适应模糊控制手段向各联动轴提供附加补偿作用,进而提高CNC系统的轮廓加工精度。
With researching on the taper roll contour and its theory about edge drop control, build a new shift model for edge drop control with taper roll at cold rolling mills, analyze the model parameters S0 and Sp and then get their mathematical expressions. 通过深入研究辊形结构和边降控制机理,建立了冷轧机单锥度辊边降控制窜辊模型,分析了模型参数S0和SP的影响因素,推导了数学模型表达式。
At present, with the constant growth of the underground construction in our country, we should deal with the surveying of tunnel contour in the control of railway, pavement, water conservancy, water and electricity, mine. 目前我国的地下工程建设项目越来越多,在铁路、公路、水利、水电、矿山等隧道建设中都需要及时解决隧道断面的测量问题。
Calculation on dynamic damage of surrounding rock caused by contour control blasting 确定周边控制爆破围岩影响深度的动力损伤计算方法
The R-snake model approaches the target contour using fewer control points to control a continuous and smooth Gaussian curve, and does not need the internal energy. The calculation speed of the R-snake model is faster. R-snake模型用较少的控制点控制一条连续、光滑的高斯曲线逼近目标轮廓,而且R-snake模型不需要内能约束项,计算速度比较快。
Single axis coordinate contour control emphasizes on reducing the contour error through reducing single axis tracking errors. 单轴协调轮廓控制侧重于通过单轴跟踪控制以减小位置跟踪误差,进而减小轮廓误差。
There are the vital role and representation to improve the machining accuracy, performance and precise contour tracking control of CNC in X-Y table. X-Y平台系统的精密轮廓跟踪控制在数控机床中具有代表性,对提高数控系统加工精度和性能具有重要的作用。
The interface of this system is the pen-style interface which has been researched in the past few years. The user interface is divided into several different areas, such as the gesture area, the contour area, the control information area and so on. 该系统采用了近几年逐步发展起来的笔式交互界面,并将用户界面划分为手势输入区、轮廓输入区、控制信息输入区、信息提示区等。
This system is composed of roller contour characteristic module and roller numerical control processing module. 该系统由创建辊形特征模块以及辊形的数控加工模块组成。
Through simulation it is proved that this controller can effectually reduce the typical contour of ESTA Coating control. 通过仿真证明,该控制方法可以有效的减小轮廓误差,对于ESTA系统中的典型轮廓轨迹,具有良好的控制效果。