A high speed high precision linear drive system for manufacturing automation

2002 ◽  
Author(s):  
M.S.W. Tam ◽  
N.C. Cheung
Keyword(s):  
High Precision ◽  
High Speed ◽  
Drive System ◽  
Manufacturing Automation ◽  
Linear Drive System

A Study on Heat Generation Control of a Precision Ball Screw Drive System

2013 ◽  
Vol 680 ◽  
pp. 360-363 ◽  
Author(s):  
Zhe Zhu Xu ◽  
Xiao Jing Liu ◽  
In Bum Lee ◽  
In Shup Ahn ◽  
Sung Ki Lyu
Keyword(s):  
High Precision ◽  
High Speed ◽  
Drive System ◽  
Ball Screw ◽  
Air Cooling ◽  
Positioning Accuracy ◽  
Screw Drive ◽  
System A ◽  
Ball Screw Drive ◽  
Generation Control

In this paper, a novel/well designed high speed/high precision nut air cooling ball screw system was developed to avoid thermal errors which affect the positioning accuracy and the temperature rise of ball screw. In order to discuss the effectiveness of the developed high speed/high precision nut air cooling ball screw system, a series of tests was done. As the results, it shows that the positioning accuracy will significantly improve with the use of the nut air cooling ball screw drive system shown in this paper.

scholarly journals Determining the Power Consumption of the Automatic Device for Belt Perforation Based on the Dynamic Model

Energies ◽  
2021 ◽  
Vol 14 (2) ◽  
pp. 317
Author(s):  
Dominik Wojtkowiak ◽  
Krzysztof Talaśka ◽  
Dominik Wilczyński ◽  
Jan Górecki ◽  
Krzysztof Wałęsa
Keyword(s):  
High Speed ◽  
Equations Of Motion ◽  
Automatic Device ◽  
Drive System ◽  
Correct Operation ◽  
Timing Belt ◽  
Two Stages ◽  
Belt Transmission ◽  
Linear Drive System ◽  
Selection Of

The subject of the dynamic analysis presented in the article is the linear drive system with a timing belt utilized in the automatic device for polymer composite belt perforation. The analysis was carried out in two stages. In the first stage, the timing belt was modeled with all the relevant dynamic phenomena; subsequently, the tension force of the belt required for the correct operation of the belt transmission was determined. The necessary parameters for belt elasticity, vibration damping, and inertia are based exclusively on the catalog data provided by the manufacturer. During the second stage, equations of motion were derived for the designed drive system with a timing belt, and characteristics were identified to facilitate the optimal selection of electromechanical drives for the construction solution under analysis. The presented methodology allows for designing an effective solution that may be adapted for other constructions. The obtained results showed the influence of the kinematic parameters on the motor torque and proved the importance of reducing the mass of the components in machines that perform high-speed processes.

scholarly journals Variable step control to improve scanning speed of gene sequencing stage

2021 ◽  
pp. 002029402110022
Author(s):  
Xiaohua Zhou ◽  
Jianbin Zheng ◽  
Xiaoming Wang ◽  
Wenda Niu ◽  
Tongjian Guo
Keyword(s):  
Motion Control ◽  
High Precision ◽  
High Speed ◽  
Stable State ◽  
Gene Sequencing ◽  
Scanning Speed ◽  
Settling Time ◽  
Step Motion ◽  
Variable Step ◽  
Step Control

High-speed scanning is a huge challenge to the motion control of step-scanning gene sequencing stage. The stage should achieve high-precision position stability with minimal settling time for each step. The existing step-scanning scheme usually bases on fixed-step motion control, which has limited means to reduce the time cost of approaching the desired position and keeping high-precision position stability. In this work, we focus on shortening the settling time of stepping motion and propose a novel variable step control method to increase the scanning speed of gene sequencing stage. Specifically, the variable step control stabilizes the stage at any position in a steady-state interval rather than the desired position on each step, so that reduces the settling time. The resulting step-length error is compensated in the next acceleration and deceleration process of stepping to avoid the accumulation of errors. We explicitly described the working process of the step-scanning gene sequencer and designed the PID control structure used in the variable step control for the gene sequencing stage. The simulation was performed to check the performance and stability of the variable step control. Under the conditions of the variable step control where the IMA6000 gene sequencer prototype was evaluated extensively. The experimental results show that the real gene sequencer can step 1.54 mm in 50 ms period, and maintain a high-precision stable state less than 30 nm standard deviation in the following 10 ms period. The proposed method performs well on the gene sequencing stage.

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