Modelling Of Twin-Axes Table Drive System

Lim, Vun Haw (2018) Modelling Of Twin-Axes Table Drive System. Project Report. UTeM, Melaka, Malaysia. (Submitted)

Text (24 Pages) Modelling Of Twin-Axes Table Drive System.pdf - Submitted Version Download (438kB)

Abstract

Table Drive System is commonly used in industrial sectors to transfer load from one place to another place. As load weight increases, different types of tables actuated by a number of motors are developed to sustain the increase in workload. Twin-axes Table Drive System (TTDS) is constructed in this report. The TTDS has two similar units of single axis ball screw jointed together with a large mover. Two DC servo motors produce input torque with rotary motion to the TTDS. This report is also presented system modelling technique for twin axes table drive system through simulation. The table of two ball screws and motors are attached with an aluminium bar where each end of the bar is attached firmly to the slide mover. This configuration aims to sustain the increase in weight to be driven. However, synchronization of two coupled parallel ball screws is a major problem. The block diagram of the twin axes table drive system (TTDS) is constructed from past research. Hence, system identification technique is performed to construct mathematical model of the twin axes table drive system via frequency response through simulation. The transfer function obtained can present the simulated system. The performance of the twin axes table drive system is compared to the single axis ball screw table in term of load weight to be driven using Simscape. Result showed that the TTDS has better performance for 2 kg to 10kg load as compared to single axis ball screw system.

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