NDLI: Dynamic Modeling of a Bi-Driven High Speed Ball Screw System

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Wang, Jinsong Liu, Yan Zhao, Tong Ye, Peiqing
Copyright Year	2010
Abstract	The traditional lumped modeling method in 2 degree of freedoms of a bi-driven high-speed ball screw system can not accurately characterize the high frequency mechanical resonance, which usually limits the dynamic performance of the system. This paper proposes a hybrid parameter modeling method for the bi-driven system. The workbench is modeled with lumped method in 3 degree of freedoms considering the physical dimension of the workbench and the installation location of the ball-nut and slider. The ball screw is modeled with a novel distributed parameter approach with the boundary conditions of the thrust bearings and coupling to describe its elastic characteristics. The ball screw model is integrated into the workbench one to construct a hybrid one, which is optimized by simulation on a typical test bed. The optimized model ignores unimportant parameters of the workbench one and reduces the order of the ball screw one. Compared with the experiment, the optimized hybrid model accurately characterizes both the workbench and ball screw resonance frequency of the bi-driven ball screw system.
Sponsorship	Dynamic Systems and Control Division
Starting Page	323
Ending Page	330
Page Count	8
File Format	PDF
ISBN	9780791844182
DOI	10.1115/DSCC2010-4090
e-ISBN	9780791838846
Volume Number	ASME 2010 Dynamic Systems and Control Conference, Volume 2
Conference Proceedings	ASME 2010 Dynamic Systems and Control Conference
Language	English
Publisher Date	2010-09-12
Publisher Place	Cambridge, Massachusetts, USA
Access Restriction	Subscribed
Subject Keyword	Simulation Screws Thrust bearings Boundary-value problems Dimensions Resonance Modeling Dynamic modeling
Content Type	Text
Resource Type	Article

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