Plenary Keynote Speech: Railroad performance with special reference to ballast and substructure characteristics (ISSMGE 1st Proctor Lecture)
Prof. Buddhima Indraratna, University of Wollongong, Australian Academy of Technological Sciences & Engineering, Australia

Buddhima Indraratna is a Professor of Civil Engineering at University of Wollongong, Australia, and is the Fellow of Australian Academy of Technological Sciences & Engineering. He has pioneered research on both rail geotechnics and road embankments on soft soil in Australian academia since early 1990s. His contributions through research to innovative design and construction practices in rail track engineering and ground improvement, and has made a significant impact worldwide. Over two decades, his research encompasses a wide spectrum of applications from theory to practice, particularly in transportation geomechanics. He has over 500 scholarly publications including more than 200 high-level, peer-reviewed journals, 6 research-based books, 45 invited Keynote papers and Special Guest Lectures.
He has developed an international reputation for: [a] conceptualisation and design innovation for stabilising rail and road embankments built over soft foundations; [b] novel analytical techniques and design procedures for high speed rail tracks capturing the role of ballast degradation, track confinement and subgrade deformation; [c] dams and embankment design and associated filtration and drainage; [d] analysis of jointed and porous media and stability implications on transport infrastructure. The above contributions have been instrumental in changing the often conservative industry practices, including revisions to some Australian Standards.
Plenary Keynote Speech: Integrated wheel and rail damage prediction using vehicle-track dynamic simulations
Prof. Mats Berg, KTH Royal Institute of Technology, 
Mats Berg is since 2003 Professor of Railway Technology at KTH Royal Institute of Technology, Stockholm, Sweden. He leads since 2004 the Division of Rail Vehicles, which is one out of seven divisions within the KTH Railway Group. This group has collaborated closely with railway industry and rail infrastructure managers for more than 25 years, both in research projects and in education and training.
His research activities are mainly in the fields of vehicle-track dynamic interaction, longitudinal train dynamics and vehicle energy usage at operation. For more than 20 years work has been carried out at the division on prediction of successive wheel and rail wear and in the latest decade also on the damage mode of rolling contact fatigue. In total Mats Berg has been the main advisor for about 10 PhD students and published nearly one hundred papers.
Professor Berg is member of the editorial boards of the Journal of Rail and Rapid Transit, the journal of Vehicle System Dynamics and the International Journal of Rail Transportation. In 2009 he hosted and co-chaired the 21st International Symposium on Dynamics of Vehicles on Roads and Tracks (IAVSD´09).
Berg is also co-author of the textbooks “Rail Systems and Rail Vehicles” and “Rail Vehicle Dynamics”. He is responsible for the KTH course on “Rail Vehicle Technology” and for a number of training courses for the railway industry etc.
Mats Berg got a MSc degree in Civil Engineering and a PhD degree in Structural Mechanics, both from Lund University of Technology, Lund, Sweden. He did his postdoc at University of California at Berkeley and was employed for some years at ABB Traction in Västerås, Sweden.

Plenary Keynote Speech: Pantograph-catenary interaction: recent achievements and future research challenges
Prof. Stefano Bruni, Politecnico di Milano, Italy

Stefano Bruni is full professor at Politecnico di Milano, Department of Mechanical Engineering. His scientific work is mainly carried out in the field of dynamics and stability of mechanical systems with applications to Rail vehicle dynamics and train-track interaction, Active control and condition based monitoring in rail vehicles, Pantograph-catenary interaction.
He authored approximately 230 scientific papers and spent a large amount of time lecturing and consulting to industry in Italy and other countries. From 2003 to date Prof. Bruni has been group leader for the “Railway dynamics” research group, carrying out research on the dynamic behaviour of rail vehicles and their interaction with the infrastructure. Theoretical investigation is backed by the use of top-class experimental facilities, including the boundary layer wind tunnel (1.4MW installed power, 4x4m2 and 14x4 m2 measuring sections), the full scale “Hardware-in-the-Loop” (HIL) test bench for railway bogies, the bench for rotating bending fatigue on railway axles, the HIL test bench for pantographs and a full-scale test stand to study pantograph-catenary contact in presence of relative movement and electrical current flow. The group, consisting of 10 permanent researchers and several non-permanent researchers and PhD students, was awarded with the maximum evaluation (4.0/4.0, meaning “international excellent”) by a panel of international experts in an independent research assessment exercise commissioned by Politecnico di Milano. He is Vice-President of the IAVSD - International Association for Vehicle System Dynamics and has been chairman of the IAVSD’05 International conference held in Milano in 2005. He is Editorial Board member for some of the most renowned international journals in the field of Railway Engineering.

Plenary Keynote Speech: Field evaluation of in-service railway ballast using machine vision
Prof. Erol Tutumluer, University of Illinois at Urbana-Champaign (UIUC), USA

Dr. Erol Tutumluer is a Professor specializing in Transportation Geotechnics in the Department of Civil and Environmental Engineering (CEE) at the University of Illinois at Urbana-Champaign (UIUC). Professor Tutumluer holds Paul F. Kent Endowed Faculty Scholar and serves as the Director of International Programs. Dr. Tutumluer has research interests and expertise in characterization of pavement and railroad track geomaterials, i.e., subgrade soils and base/ballast unbound aggregates, soil/aggregate stabilization, geosynthetics, modeling granular foundation systems using innovative techniques, sustainable use of foundation geomaterials and construction practices for transportation infrastructure, discrete element analysis of ballast, dynamic response measurement and analyses of track systems, and mechanistic analysis and design. Dr. Tutumluer has served as an investigator on over 65 research projects and graduated 16 PhD and 34 MS students, and authored/co-authored over 280 peer reviewed publications from his research projects. Dr. Tutumluer is the Co-Editor-in-Chief of the new Transportation Geotechnics Elsevier journal and he is the Chair of the ISSMGE Technical Committee 202 on Transportation Geotechnics. He is a member of the AREMA Committee 1 on Ballast. Dr. Tutumluer served as the Chair of the ASCE Geo-Institute’s Pavements Committee in 2006-2012. Dr. Tutumluer is an active affiliate of the Transportation Research Board (TRB) and serves as the Chair of TRB’s AFP00 Geological and Geoenvironmental Engineering Section. He served as the Chair of TRB’s AFP70 Aggregates Committee in 2011-2016 and he is a member of the AFS70 Geosynthetics Committee. Dr. Tutumluer was the 2000 recipient of the TRB’s Fred Burgraff award for Excellence in Transportation Research; he also received TRB’s Geotechnology Section Best Paper Awards in 2009, 2012 and 2016.  He was selected and honored with Yangtze River Scholar Award by China Ministry of Education in 2016.

Plenary keynote speech: Modelling of train-induced ground vibration: a review of recent research
Prof. David Thompson, University of Southampton, UK

David Thompson is Professor of Railway Noise and Vibration in the Institute of Sound and Vibration Research at the University of Southampton. His research covers all aspects of railway noise and vibration including rolling noise, curve squeal, bridge noise, ground vibration and aerodynamic noise. He is author of the TWINS model for rolling noise, used by many railways and manufacturers. He has supervised 30 PhD students to completion and has published 140 journal papers, over 200 conference papers and 8 book chapters. His book Railway Noise and Vibration: Mechanisms, Modelling and Means of Control was published by Elsevier in 2008 and was published in Chinese in 2014. He is on the editorial board of the Journal of Rail and Rapid Transit, Applied Acoustics and the International Journal of Rail Transportation.
He graduated in mathematics from the University of Cambridge and obtained his PhD from Southampton. He previously worked at British Rail Research and at TNO in the Netherlands and is a Fellow of the Institution of Mechanical Engineers and the Institute of Acoustics in the UK.

Plenary keynote speech: Perspectives, Innovations and Developments in Heavy Haul Train Dynamics
Prof. Colin Cole, 
Central Queensland University, Australia   

Professor Colin Cole is the Director of the Centre for Railway Engineering (CRE), a position he has held since 2008.
His work history includes over 28 years in railway engineering and research starting in 1984 in Queensland Railways. He has worked in railway research for the past 23 years and this PhD thesis completed in 1999 was on Longitudinal Train Dynamics.  He has undertaken over 20 rail research projects related to train dynamics, simulation, and development of on-board intelligent systems and devices to improve operational safety and maintenance monitoring. He has published over 100 technical papers, 2 books, 2 book chapters and 2 patents. He has also produced over 200 confidential commercial research and consulting reports.
His current research involvements include longitudinal train dynamics and simulations, locomotive traction, alternative energy systems for locomotives and developing new economical systems for condition monitoring and condition/predictive based maintenance systems. He has a particular interest in the study and modelling of non-linear train dynamics and optimisation of heavy haul train components and systems.
His research interests have always included a strong aspect of application and innovation and he has managed several projects that have been successful in gaining government and industry stakeholder support to take the invention through to near market development stages.

Plenary keynote speech: Challenge to improve curving performance of rail vehicles – From steering truck to new concept using independent rotating wheelset    
Prof.  Yoshihiro SUDA, The University of Tokyo, Japan

Yoshihiro SUDA is Professor of Institute of Industrial Science (IIS), The University of Tokyo, Japan. He is Director of Advanced Mobility Research Center and Chiba Experiment of Station of IIS, The University of Tokyo. He is charged to Graduate school of Mechanical Engineering and Interfaculty Initiative in Information Studies of the University of Tokyo, and is Guest Professor of Tongji University and Yanshan University at China. His research area is multibody dynamics, advance control engineering, human-machine interface, and their applications to not only railway vehicles system but also automobile and new generation mobility. He has conducted many industry-academia collaborative projects with railway operator and rolling stock manufactures, and developed many practical realization outputs of research. His researches are made by theoretical study and experiment using his test facilities of scaled and real scale test track at Chiba Experiment Station. He is a board member of Railway Technical Research Institute of Japan, and charged committee member of Japanese Governments. He hosted international conferences such as the 5th International Conference of Contact Mechanics and Wear of Rail/Wheel (CM2000), the 3rd Asian Conference on Multibody Dynamics (ACMD2006), the 10th International Conference on Motion and Vibration Control (MOVIC2010), and 7th International Symposium on Speed-up and Sustainable Technology for Railway and Maglev Systems (STECH2015), and he is a board member of IAVSD.

Plenary keynote speech: Railway Vehicle - Track Interaction: Recent Advances and a Vision for the Future    
Prof. Simon IWNICKI, Institute of Railway Research, University of Huddersfield, UK

Simon Iwnicki is Professor of Railway Engineering at the University of Huddersfield in the UK where he is Director of the Institute of Railway Research (IRR). The IRR has an international reputation for excellent research and support to industry in the core area of railway vehicle dynamics modelling, wheel-rail interface engineering and vehicle-track interaction.
Professor Iwnicki’s main research activities are in the field of wheel-rail contact and computer modelling of railway vehicle suspensions. He has been working in this area for over 25 years and has built up a substantial reputation for this work, providing not only valuable practical solutions to specific problems in the industry, but making significant contributions to the understanding of some of the fundamental mechanisms of the wheel-rail interaction on which the safe and economical operation of railways depends.
Professor Iwnicki is Editor in Chief of Part F of the Proceedings of the Institution of Mechanical Engineers (the Journal of Rail and Rapid Transit) and Co-Editor (responsible for railway matters) of the journal Vehicle System Dynamics. He has over 100 publications including the ‘Handbook of Railway Vehicle Dynamics’.


Plenary keynote speech: Technological challenges in the development of Chinese high-speed railways
Prof. Wanming Zhai, Southwest Jiaotong University, Academician of Chinese Academy of Sciences, China

Wanming Zhai is a chair Professor of Railway Engineering at Southwest Jiaotong University, Chengdu, China, and is an Academician of Chinese Academy of Sciences.   Since 1994, Dr. Zhai has become a full professor and the Director of Train and Track Research Institute, which affiliated to State Key Laboratory of Traction Power. In 1999, he was appointed Chang Jiang Chair Professor by Chinese Ministry of Education. Currently, he is the Chairman of Academic Committee of Southwest Jiaotong University.
Professor Zhai’s research activities are mainly in the field of railway system dynamics, focusing on vehicle-track dynamic interaction and train-track-bridge interactions. He established a new theoretical framework of vehicle-track coupled dynamics and invented new methodologies for solving large-scale train-track-bridge interaction problems. He proposed a method to assess the running safety of high-speed trains passing through bridges at the design stage. His models and methods have been successfully applied to more than 20 large-scale field engineering projects for the railway network in China, mostly for high-speed railways.
Professor Zhai is the Editor-in-Chief of International Journal of Rail Transportation published by Taylor & Francis Group. He also serves as the President of Chengdu Association for Science and Technology, the vice President of the Chinese Society of Theoretical and Applied Mechanics, and the vice President of the Chinese Society for Vibration Engineering.

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