Lagrangian Multi-Class Traffic State Estimation

The road ahead will be long and the climb will be steep, but I will never terminate pursuit. Preface Traffic and transport research is truly attractive to me. To explore the problem that relates closely to our life also motivates me. This is the reason why I dive into the field of traffic science. After my bachelor graduation in engineering mechanics in Shanghai China, I came to the Netherlands to start my master study at the department of Transport and Planning, Delft University of Technology in 2006. I succeeded in obtaining my degree within two years. With my ongoing curiosity in traffic, I decided to pursuit a PhD degree in the same department. The four year PhD life is really an unforgettable and precious experience to me. It expands my view and horizon not only in the field of traffic science but also in the society and the world. Upon the completion of my PhD thesis, I would like to take the opportunity to thank all the people who helped me during my PhD study. First of all, I would like to express my heartfelt thanks to my promotor, Serge Hoogen-doorn, for giving me sufficient guidance and confidence. I feel very grateful and proud of being one of your master and PhD students. Your research attitude has strongly influenced me and your ideas always inspire me. Thank you! I am also deeply indebted to my excellent daily supervisor and copromotor, Hans van Lint, for giving me kind and patient monitoring. Your critical comments and suggestions enabled me to make this research and my thesis better than I could have done by myself. When there were moments that I doubted about my research, you always supported me and gave me confidence. Thanks a lot! I would like to express my thanks to my supervisor Jos Vrancken from the TBM faculty , for leting me join the C4C project and for all the useful advice and support. I feel rather gratitude to my supervisor Eddie Wilson in England, for hosting me, for his kind supervision and collaboration when I exchanged at the University of Southampton as a guest researcher, and also for the final checking of my thesis. I also want to thank other committee members for their useful comments. During my PhD research, I have the pleasure to work with my wonderful colleagues at the department. I would like to address …