Reliability-Based Performance Optimization of Tunnel Boring Machine Considering Geological Uncertainties

verfasst von

Lintao Wang, Wei Sun, Yangyang Long, Xu Yang

Abstract

This paper is focused on developing an effective method to optimize the performance (e.g., advance rate and energy consumption) of a tunnel boring machine (TBM) by determining reasonable operating and structural parameters according to geological conditions. The TBM is a complex mechatronic system consisting of closely coupled subsystems. The changing of an operating or structural parameter can significantly influence the performances of several subsystems simultaneously in different manners. In addition, most of the subsystems of the TBM are subject to rock loads with server uncertainties, as a result of the probabilistic natures of rock characteristics. To overcome these challenges, multidisciplinary modeling of the subsystems of the TBM is performed to derive the performance functions and limit state functions of the whole machine. Based on design of experiment, sensitive analysis (SA) is carried out to detect the significant factors and their influences on the performances of the whole machine and the subsystems. Based on the SA results, the optimization efficiency can be improved by disregarding insignificant factors. Taking the stochastic properties of rocks into account, a reliability-based performance optimization strategy is proposed. Case studies are carried out and proved that with the proposed method, the performances of the TBM can be greatly improved while the system reliability is kept at high level.

Organisationseinheit(en)

Institut für Dynamik und Schwingungen

Externe Organisation(en)

Dalian University of Technology
Tianjin University

Typ

Artikel

Journal

IEEE ACCESS

Band

6

Seiten

19086-19098

Anzahl der Seiten

13

ISSN

2169-3536

Publikationsdatum

30.03.2018

Publikationsstatus

Veröffentlicht

Peer-reviewed

Ja

ASJC Scopus Sachgebiete

Allgemeine Computerwissenschaft, Allgemeine Materialwissenschaften, Allgemeiner Maschinenbau

Ziele für nachhaltige Entwicklung

SDG 7 – Erschwingliche und saubere Energie

Elektronische Version(en)

https://doi.org/10.1109/ACCESS.2018.2821190 (Zugang: Offen)