Stability and Performance Analysis of Multi-cart Train Systems Employing Inerters
Date Issued
2012
Date
2012
Author(s)
Chen, Hsueh-Ju
Abstract
This thesis discussed the stability and performance of train models employing inerters. An inerter is a newly-developed two-terminal mechanical element, which is used to substitute for the mass element such that the mechanical and electrical networks are truly analogous. Until now, there are four realizations of inerters and they have been successfully applied to various systems. In this thesis, we build a thirty-one degree-of-freedom (DOF) full-train model and discuss the stability and performance benefits by applying inerters at suspension struts. Then, we connected up-to thirteen carts and investigate how the number of carts influences the system’s performance and stability. Lastly, we discuss the effects of cross-wind on system stability. The results show that inerter can significantly improve stability and performance of train systems, especially using mechatronic inerters. We also introduce network synthesis methods to realize the obtained optimal system impedance by five feasible elements and verify the system impedance by experiments.
Subjects
inerter
network synthesis
multi-carttrain systems
cross wind
rail irregularities
Type
thesis
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