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Journal Paper Accepted at the IEEE Transactions on Intelligent Transportation Systems: An Axiomatic Design Approach to Passenger Itinerary Enumeration in Reconfigurable Transportation Systems

The LIINES is happy to announce that The IEEE Transactions on Intelligent Transportation Systems has accepted our recent paper entitled:  An Axiomatic Design Approach to Passenger Itinerary Enumeration in Reconfigurable Transportation Systems for publication. The paper is authored by Dr. Asha Viswanath, Edgar Eugenio Samano Baca and Prof. Amro M. Farid.

The topic of path enumeration in a transportation network has a long history.  As one can easily imagine, we have been asking: “How many different ways can I get from here to there?”  for a very long time.  The question is fundamental to many operations research problems and has new applications in the resilience of infrastructure systems.  So why a new approach to such an old problem?

Well, as the paper explains, the traditional graph theoretic based method lacks in four ways:

  1. it does not explicitly describe the different potentially redundant modes of transport.
  2. it does not explicitly address the implicit functions of parking, loading/unloading, or sitting at an intersection.  Naturally, if these “null-processes” were somehow unavailable you might be stuck along your path for a very long time.
  3. given its highly abstracted nature, traditional graph theoretic methods do not integrate well with existing engineering design methodologies.
  4. it does not explicitly describe changes or reconfigurations to the transportation network structure in real-time and hence has limited application to the design of real-time reconfigurable transportation systems.

Instead, this paper presents a passenger itinerary enumeration approach based upon Prof. Nam Suh’s axiomatic design theory for large flexible systems.  Here, the system form and function are both explicitly described to overcome all of the weaknesses mentioned above.  The work has immediate relevance to transportation systems that require real-time switching decisions in their network structure.  Furthermore, many transportation system life cycle properties functionally depend on path enumeration.

Further applications of this work can already be found on the LIINES publication page: http://amfarid.scripts.mit.edu

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Prof. Kamal Youcef-Toumi and Prof. Amro M. Farid give back-to-back invited lectures at Carnegie Mellon University

In the Fall of 2010, Prof. Kamal Youcef-Toumi and Prof. Amro M. Farid teamed up to collaborate on smart power grids.  For Prof. Youcef-Toumi, as director of the Mechatronics Research Laboratory and co-director for the MIT-KFUPM Center for Clean Water and Energy, this was a natural extension of his existing research.  For Prof. Farid, this was a natural shift of application domain from the control, automation and systems engineering of manufacturing system to energy systems.  Many of the recent research outputs featured within the LIINES smart power grid research theme are the rich fruits from this successful collaboration.  Today, on February 5th, both professors were invited to feature their collaboration at the 9th Annual Carnegie Mellon Conference on the Electricity Industry:  The Role of Distributed Coordination in Resilient & Fine-Grain Control of Power Grids.  

The first presentation entitled “A Multi-Agent System Transient Stability Platform for Resilient Self-Healing Operation of Multiple Microgrids” was delivered by Prof. Youcef-Toumi.  This work combines multi-agent system techniques from the field of distributed artificial intelligence with transient stability analysis from power systems engineering.  It recognizes that power grids are operated by multiple independent stakeholders be they independent power producers, semi-autonomous microgrids, full-scale utilities or whole countries.  Each has jurisdiction and control over its respective area even though the physical grids are electrically connected.  Hence, the multiple stakeholders must coordinate and collaborate with distributed control techniques in order to assure technical reliability.  The interested reader is referred to the publications led by Dr. Sergio Rivera on the LIINES website for further information.

The second presentation entitled “An Enterprise Control Approach for the Assessment of Variable Energy Resource Induced Power System Imbalances” was delivered by Prof. Farid.   This presentation reiterates the need for enterprise control techniques when assessing and mitigating the power system imbalances induced by the integration of variable energy resources like wind and solar PV.   It showed that when the power system’s primary, secondary and tertiary control are considered simultaneously, accurate and insightful conclusions can be made about the techno-economic viability of VER integration.  These conclusions overcome many of the limitations of existing methodologies found in recent renewable energy integration studies.  The interested reader is referred to the publications lead by Dr. Aramazd Muzhikyan on the LIINES website for further information.

These lectures follow similar inivited lectures at MIT and the Czech Technical University in Prague.  Full text of the background reference papers may be found on the LIINES publication page: http://amfarid.scripts.mit.edu

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Prof. Amro M. Farid gives invited lecture at the MIT Mechanical Engineering Department

In recent months, we at the Laboratory for Intelligent Integrated Networks of Engineering Systems have been arguing for “Enterprise Control” in support of the future developments of the electricity grid.  This work has provoked interest in a number of different research communities.  To that end, Prof. Amro M. Farid was invited on January 31st to give a lecture entitled “Intelligent Enterprise Control of Future Electric Power Systems” at the MIT Mechanical Engineering department.  While power grid’s are often seen as the domain of electrical engineers, mechanical engineers have developed a strong interest in smart grids due to the heavy role of power generation and building management.  Furthermore, the concept of enterprise control  which originates from the ISA-s95 standard within the manufacturing domain is particularly familiar to mechanical engineers.  This presentation argues the need for holistic assessment methods and then highlights our recent work on the development of enterprise control strategies.  It draws from multiple LIINES publications lead by Dr. Aramazd Muzhikyan and Dr. Sergio Rivera.

The lecture follows a similar invited lecture at the Czech Technical University Department of Cybernetics in Prague.  Full text of the background reference papers may be found on the LIINES publication page: http://amfarid.scripts.mit.edu

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LIINES wins Best Applied Research Paper Award at GCC CIGRE 2013

In a recent blog post, we shared that Prof. Amro M. Farid and Dr. Aramazd Muzhikyan authored and presented a paper entitled “The Need for Holistic Assessment Methods for the Future Electricity Grid” at this year’s GCC CIGRE conference held in Abu Dhabi.   This work has now received the Best Applied Research Paper Award!   Prof. Farid accepted the award on behalf of the LIINES from Eng. Salem Harithi (Network Service Director of Abu Dhabi Water & Electricity Authority.) The associated monetary prize will be invested back into the laboratory’s research activities.

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Full text of the paper and related work may be found through the LIINES Website  under paper code [EWN-C08] :  http://amfarid.scripts.mit.edu publications page.


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Prof. Amro M. Farid gives invited lecture at the Czech Technical University Department of Cybernetics

In recent months, we at the Laboratory for Intelligent Integrated Networks of Engineering Systems have been arguing for “Enterprise Control” in support of the future developments of the electricity grid.  This work has provoked particular interest from the Artificial Intelligence research community.   To that end, Prof. Amro M. Farid was invited on November 15th to give a lecture entitled “Intelligent Enterprise Control of Future Electric Power Systems” at the Czech Technical University Department of Cybernetics in Prague.  This presentation argues the need for holistic assessment methods and then highlights our recent work on the development of enterprise control strategies.  It draws from multiple LIINES publications lead by Dr. Aramazd Muzhikyan and Dr. Sergio Rivera.

Full text of the background reference papers may be found on the LIINES publication page: http://amfarid.scripts.mit.edu

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Prof. Amro M. Farid presents Power Grid Enterprise Control paper at GCC CIGRE 2013

In recent months, we at the Laboratory for Intelligent Integrated Networks of Engineering Systems have been arguing for “Enterprise Control” in support of the future developments of the electricity grid.  In other words, the power grid’s primary, secondary and tertiary control must be addressed simultaneously to achieve both reliability as well as economic objectives.  These arguments have been presented in various forums.  The most recent of these is an extensive literature review entitled “The Need for Holistic Assessment Methods for the Future Electricity Grid” authored by Prof. Amro M. Farid and Dr. Aramazd Muzhikyan.   Prof. Farid presented this work at the 2013 GCC CIGRE conference held in Abu Dhabi on November 18-20.

Full text of the paper and related work may be found through the LIINES Website  under paper code [EWN-C08] :  http://amfarid.scripts.mit.edu publications page.


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Prof. Amro M. Farid presents Reconfigurable Manufacturing System Research at IEEE Systems, Man and Cybernetics Conference in Manchester, UK

A Reconfigurable manufacturing system is a system that is designed at the outset for rapid change in structure, as well as in hardware and software components, in order to quickly adjust production capacity and functionality within a part family in response to sudden changes in market or regulatory requirements.  The challenge in the design of such systems is how to enable such reconfigurations and why.   One piece in the design puzzle is production path enumeration.  On Wednesday October 16th, Prof. Amro M. Farid presented his latest work on Reconfigurable Manufacturing Systems at the IEEE Systems Man and Cybernetics Conference, Manchester UK.  This paper entitled:  “An Axiomatic Design Approach to Non-Assembled Production Path Enumeration in Reconfigurable Manufacturing Systems”  combines Axiomatic Design for Large Flexible Systems with graph theory to present novel approaches to the design of reconfigurable manufacturing systems.

Full text of the paper and previous work may be found through the LIINES Website  publications page under paper code [RMS-C08].

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Research Theme Highlight Part III: Transportation Electrification Systems

The Laboratory for Intelligent Integrated Networks of Engineering Systems maintains a research program composed of four complementary themes.  In the fourth of a four part series on the LIINES website,  the laboratory’s Transportation Electrification Systems is highlighted.  This work has produced in Abu Dhabi the first full-scale technical feasibility study for electric vehicles and has gone on to produce a hybrid dynamic system model of a Transportation Electricity Nexus as a single integrated system.

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Research Theme Highlight Part IV: Electrified Transportation Systems

The Laboratory for Intelligent Integrated Networks of Engineering Systems maintains a research program composed of four complementary themes.  In the fourth of a four part series on the LIINES website,  the laboratory’s Energy-Transportation Nexus Theme is highlighted.  This work has produced in Abu Dhabi the first full-scale technical feasibility study for electric vehicles and has gone on to produce a hybrid dynamic system model of an Energy-Transportation Nexus as a single integrated system.

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The 4 R’s of an Advanced Grid: Resiliency, Reliability, Response & Repair

In this smartgridnews article, Doug Housseman argues that an advanced grid actually requires 4 R’s:  Resiliency, Reliability, Response & Repair.  The four properties are defined and rationalized for the future grid.

 

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