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Joint optimization of system hardening and restoration for resilience enhancement against cascading failures
Descriptive
TitleInfo
Title
Joint optimization of system hardening and restoration for resilience enhancement against cascading failures
Name
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Zhou
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(type = given)
Jian
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1988-
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Jian Zhou
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author
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Coit
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David W
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David W Coit
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Advisory Committee
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chair
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Pham
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Hoang
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Hoang Pham
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Advisory Committee
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internal member
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Xi
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Zhimin
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Zhimin Xi
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Advisory Committee
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internal member
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(type = family)
Felder
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(type = given)
Frank A
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Frank A Felder
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Advisory Committee
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outside member
Name
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(type = family)
Rodgers
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Mark D
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Mark D Rodgers
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Advisory Committee
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outside member
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Rutgers University
Role
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(authority = RULIB)
degree grantor
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School of Graduate Studies
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school
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Text
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theses
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ETD doctoral
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2020
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2020-10
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2020
Language
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English
Abstract
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This dissertation presents a framework that determines the optimal integrated system hardening and system restoration strategies. The objective is to improve system resilience while minimizing total cost including investment cost and system damage cost in the event of system failure propagation. The successful functioning of modern society is increasingly dependent upon various crucial infrastructure systems, such as power grids and communication systems, which all comprise a large collection of interconnected sub-systems. The reliability and resilience of these network systems becomes a matter of great concern due to the inevitable occurrence of system failures and their probable disastrous aftereffects. Although it is uncommon for many applications, there are still many examples of massive cascading failures in various real-world network systems. In this research, the mechanism of cascading failures in network systems is investigated, taking into account practical network load dynamics as well as multiple dependencies between and inside systems. A new resilience metric which can be used to evaluate system resiliency loss caused by system disruptions is proposed. Then focusing on electricity system, the influence of cascading failures in power generation and transmission system is extended to local power distribution systems to analyze the resilience of the entire electrical power system. System hardening strategies and system restoration strategies are jointly optimized with the consideration of the existing interaction between each other. The effects of installing distributed energy resources to end users in electricity system, for instance solar array and battery storage, as a type of system hardening measure to improve electric power system resilience are investigated. The effectiveness of restoration strategies with different restoration prioritizations on reducing the influence of cascading failures on resilience is explored. Finally, an approach to relate the improved system resilience to the reduction in economic losses is developed. Optimization methods are proposed to achieve a balance between the investment of resilience enhancement driven actions, such as system hardening planning and restoration decisions, and system damage cost, for example, unsatisfied customer demand cost. As a result, system resilience targets are better integrated into the investment of resilience enhancement measures. The proposed methodology can be utilized as a decision-making tool for future resilient network systems, for example, electric power system, design and restoration. Together, this research is useful to mitigate and rescue the system from the next cascading failures with the application of effectively integrated system hardening and restoration strategies for resilience enhancement with minimized total cost.
Subject
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Topic
Cascading failures
Subject
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Topic
Industrial and Systems Engineering
RelatedItem
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TitleInfo
Title
Rutgers University Electronic Theses and Dissertations
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ETD_11102
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application/pdf
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Extent
1 online resource (xxvi, 219 pages) : illustrations
Note
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Ph.D.
Note
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Includes bibliographical references
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School of Graduate Studies Electronic Theses and Dissertations
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rucore10001600001
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NjNbRU
Identifier
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doi:10.7282/t3-3rsq-zv71
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Rights
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The author owns the copyright to this work.
RightsHolder
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Name
FamilyName
Zhou
GivenName
Jian
Role
Copyright Holder
RightsEvent
Type
Permission or license
DateTime
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2020-08-24 13:21:09
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Name
Jian Zhou
Role
Copyright holder
Affiliation
Rutgers University. School of Graduate Studies
AssociatedObject
Type
License
Name
Author Agreement License
Detail
I hereby grant to the Rutgers University Libraries and to my school the non-exclusive right to archive, reproduce and distribute my thesis or dissertation, in whole or in part, and/or my abstract, in whole or in part, in and from an electronic format, subject to the release date subsequently stipulated in this submittal form and approved by my school. I represent and stipulate that the thesis or dissertation and its abstract are my original work, that they do not infringe or violate any rights of others, and that I make these grants as the sole owner of the rights to my thesis or dissertation and its abstract. I represent that I have obtained written permissions, when necessary, from the owner(s) of each third party copyrighted matter to be included in my thesis or dissertation and will supply copies of such upon request by my school. I acknowledge that RU ETD and my school will not distribute my thesis or dissertation or its abstract if, in their reasonable judgment, they believe all such rights have not been secured. I acknowledge that I retain ownership rights to the copyright of my work. I also retain the right to use all or part of this thesis or dissertation in future works, such as articles or books.
Copyright
Status
Copyright protected
Availability
Status
Open
Reason
Permission or license
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2020-09-01T14:29:57
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