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Feedrate modulation for accurate traversal of trimmed planar offset paths
In milling planar shapes with cylindrical tools, CNC machines must employ tool paths offset from the desired part shape by the tool radius. To...
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A look-ahead transition algorithm for jump motions with short line segments in EDM
Most electrical discharge machining (EDM) machines provide only linear or circular interpolations. To machine a workpiece with a complex geometry, a...
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A local smoothing interpolation method for short line segments to realize continuous motion of tool axis acceleration
In traditional processing, a large number of G01 blocks are adopted to discretize free surface or curve for NC machining. But, the continuity of G01...
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A circumscribed corner rounding method based on double cubic B-splines for a five-axis linear tool path
Linear segments are widely used to describe the tool path in five-axis NC machining. However, the geometrical discontinuity of adjacent segments will...
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Exponential B-splines Galerkin Method for the Numerical Solution of the Fisher’s Equation
A finite element solution of the Fisher’s equation based on the Galerkin method whose weight and shape functions are exponential B-splines are...
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Constructing smooth tool orientation field based on radial basis function for 5-axis machining
In order to improve the surface quality and dynamics for 5-axis finish machining, new algorithms to construct smooth tool orientation field function...
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Acceleration smoothing algorithm based on jounce limited for corner motion in high-speed machining
In high-speed and high precision machining, cornering acceleration profiles of the feed motion are always not smooth enough and cause severe inertial...
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A study of the stability properties in simulation of wave propagation with SPH method
When ordinary Smoothed Particle Hydrodynamics (SPH) method is used to simulate wave propagation in a wave tank, it is usually observed that the wave...
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Efficient high-speed cornering motions based on continuously-variable feedrates. I. Real-time interpolator algorithms
The problem of high-speed traversal of sharp toolpath corners, within a prescribed geometrical tolerance đťś– , is addressed. Each sharp corner is...
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Efficient high-speed cornering motions based on continuously-variable feedrates. II. Implementation and performance analysis
A novel high-speed cornering strategy for piecewise-linear motions is proposed, based on the G 2 continuous Pythagorean–hodograph (PH) rounding...
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Real-time repairable interpolation scheme for CNC tool path processing
G01 trajectory is widely-adopted for CNC machining. The piecewise linear trajectory is geometrically discontinuous, bringing about drastic...
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Exponential B-Splines for Numerical Solutions to Some Boussinesq Systems for Water Waves
In the study, the collocation method based on exponential cubic B-spline functions is proposed to solve one-dimensional Boussinesq systems...
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A real-time and look-ahead interpolation methodology with dynamic B-spline transition scheme for CNC machining of short line segments
Tool path is presented as continuous small line segments in some existing NC machining programs. To achieve high machining speed and smooth machining...
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A conservative local discontinuous Galerkin method for the solution of nonlinear Schrödinger equation in two dimensions
In this study, we present a conservative local discontinuous Galerkin (LDG) method for numerically solving the two-dimensional nonlinear Schr¨odinger...
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A novel scheme for flexible NURBS-based C2 PH Spline Curve contour following task using Neural Network
In this paper, a novel scheme for approximation of complicated CNC tool paths, designed by non-uniform rational B-spline (NURBS) curves, is proposed....
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A novel acc-jerk-limited NURBS interpolation enhanced with an optimized S-shaped quintic feedrate scheduling scheme
This paper presents a new adaptive acc-jerk-limited nonuniform rational B-spline (NURBS) interpolation method based on an optimized S-shaped C 2 ...
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Five-axis interpolation of continuous short linear trajectories for 3[PP]S-XY hybrid mechanism by dual Bezier blending
A novel five-axis real-time interpolation algorithm for 3[PP]S- XY hybrid mechanism is proposed in this paper. In the algorithm, the five-axis tool...
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A New Classification Method Based on Semi-supervised Support Vector Machine
Semi-supervised learning using tag vector machine is a relatively new method of data classification and label-free. Semi-supervised support vector...
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Real-time Bezier interpolation satisfying chord error constraint for CNC tool path
G01 code generated by a computer-aided manufacture (CAM) system is the most common form of tool trajectory in computer numerical control (CNC)...