Bingran Li
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View article: A dual NURBS curve five-axis interpolator with interval division under axial kinematic constraints
A dual NURBS curve five-axis interpolator with interval division under axial kinematic constraints Open
This paper presents an online full real-time dual non-uniform rational B-spline (NURBS) interpolator. Under the constraints of the kinematic parameters of the drive axis, the nonlinear effects of the five-axis CNC are solved on the basis o…
View article: Design of Flower Trading Application Software Based on Cloud Computing to Solve the Problem of Manual Information Entry
Design of Flower Trading Application Software Based on Cloud Computing to Solve the Problem of Manual Information Entry Open
With the progress of science and technology and the improvement of traffic levels, China's flower industry has entered an era of rapid development.However, there are still some problems to be solved in the flower supply chain, among which …
View article: Dynamic velocity planning method for parametric toolpath with mode-based tracking error control
Dynamic velocity planning method for parametric toolpath with mode-based tracking error control Open
This paper presents a dynamic velocity planning method for tracking error prediction and control based on a theoretical model of a servo control system. A balance between machining efficiency and machining accuracy is achieved by the propo…
View article: Contour Error Dynamic Analysis and Predictive Control for Multi-axis Motion System
Contour Error Dynamic Analysis and Predictive Control for Multi-axis Motion System Open
Contour tracking accuracy is the key performance index of multi-axis motion control system. In the previous design of contour error feedback controller, the independent design idea of tracking controller and contour controller of each logi…
View article: Real-time smooth trajectory generation for 3-axis blending tool-paths based on FIR filtering
Real-time smooth trajectory generation for 3-axis blending tool-paths based on FIR filtering Open
3-axis machining tool-paths are generated using computer-aided manufacturing (CAM) systems and programmed by series of G01 codes mixed with long and short segments. The computer numerical control (CNC) system needs to analyze the path info…
View article: Sensorless Position Estimation for Permanent Magnet Synchronous Linear Motor With Variable Coupling Length
Sensorless Position Estimation for Permanent Magnet Synchronous Linear Motor With Variable Coupling Length Open
Affected by the structure size of a permanent magnet synchronous linear motor, the coupling length of the mover and stator will change when the relative motion occurs. This paper analyzes the influence of the linear motor coupling length c…
View article: Prediction and Compensation Strategy of Contour Error in Multi-Axis Motion System
Prediction and Compensation Strategy of Contour Error in Multi-Axis Motion System Open
The contour error of the machined parts is an important index to evaluate the accuracy of CNC machining. Considering multi-axis servo control system, a predictive compensation strategy for contour error is presented in this paper. First, t…
View article: Numerical Study on Particle Deposition Characteristics of Impingement Effusion Cooling Structure
Numerical Study on Particle Deposition Characteristics of Impingement Effusion Cooling Structure Open
The paper investigates the effect of impingement velocity and particle diameters on the flow and solid-phase deposition characteristics of the impingement effusion cooling structure by numerical simulation of gas-solid two-phase flow using…