Results 41 to 50 of about 140,657 (118)

大型齿轮成型磨削的分度误差补偿技术研究

open access: yesJixie chuandong, 2008
Based on the division theory,the operation principle of dividing mechanism and the reasons of generating error of division in the process of large gear form grinding are deeply analyzed,the main errors which affected the accurately dividing are found,one
李聚波, 邓效忠, 张洛平
doaj  

Minimize Quantization Output Error with Bias Compensation

open access: yesCAAI Artificial Intelligence Research
Quantization is a promising method that reduces memory usage and computational intensity of Deep Neural Networks (DNNs), but it often leads to significant output error that hinder model deployment.
Cheng Gong   +6 more
doaj   +1 more source

Development and Experimental Verification of a Thermal Elongation Prediction Model for Electric Spindles

open access: yesMachines
Thermal elongation in high-speed motorized spindles constitutes a major source of machining error in five-axis machine tools, critically impacting machining precision.
Xinyu Liu, Lefu Jiang, Han Ye
doaj   +1 more source

Research of Ultrasonic Ranging Error Compensation Algorithm

open access: yesGong-kuang zidonghua, 2012
The paper analyzed principle of ultrasonic ranging and its main error causes and put forward an error compensation algorithm of ultrasonic ranging based on BP neural network.
WANG Rong-rong, YANG Hai-zhong
doaj  

A Two-Step Motion Compensation Method for Polar Format Images of Terahertz SAR Based on Echo Data

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Terahertz synthetic aperture radar (THz SAR) has great potential in the field of remote sensing due to its high resolution and high frame rate. However, THz SAR is very sensitive to motion errors, making even small 2-D error caused by motion error and ...
Shaowen Luo   +4 more
doaj   +1 more source

Scanning Error Compensation in Ground-Based ArcSAR Monitoring

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Ground-based arc-scanning synthetic aperture radar (GB-ArcSAR) can perform 360° scanning and has a large field of view. Based on the differential interferometry technique, GB-ArcSAR can be utilized to measure the surface deformation.
Yunkai Deng   +5 more
doaj   +1 more source

Dynamic Error Compensation for Ball Screw Feed Drive Systems Based on Prediction Model

open access: yesMachines
The dynamic error is the dominant factor affecting multi-axis CNC machining accuracy. Predicting and compensating for dynamic errors is vital in high-speed machining.
Hongda Liu   +3 more
doaj   +1 more source

Low-Phase-Error Underwater Acoustic Spiral Wavefront Array and Phase Error Compensation

open access: yesJournal of Marine Science and Engineering
Acoustic spiral wavefronts demonstrate linear phase directionality, facilitating precise azimuth estimation in underwater navigation through phase comparison with reference wavefronts characterized by constant phase directionality.
Rongzhen Guo, Wei Lu, Yu Lan
doaj   +1 more source

A Step-by-Step Decoupling and Compensation Method for the Volumetric Error for a Gear Grinding Machine

open access: yesActuators
Volumetric error decoupling is a critical prerequisite for effective error compensation. In this paper, the forward volumetric error model is established using the screw theory.
Kai Xu   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy