Selected journal publications
[1]. Si, W., Gao, S., Yan, F., Zhao, N., Zhang, H., and Dong, H., Linkage-constraint criteria for robust exponential stability of nonlinear BAM system with derivative contraction coefficients and piecewise constant arguments. Information Sciences, 2022. 612, pp. 926-941.
[2]. Xu, Z., Zhao, N., Hillmansen, S., Roberts, C., and Yan, Y., Techno-Economic Analysis of Hydrogen Storage Technologies for Railway Engineering: A Review. Energies, 2022. 15(17), pp. 6467.
[3]. Zhao, N., Tian, Z., Hillmansen, S., Chen, L., Roberts, C., and Gao, S., Timetable Optimization and Trial Test for Regenerative Braking Energy Utilization in Rapid Transit Systems. Energies, 2022. 15(13), pp. 4879.
[4]. Dai, X., Chen, M., Lai, J., Chen, Y., Chen, T., and Zhao, N., Negative Sequence Compensation Method for High-Speed Railway with Integrated Photovoltaic Generation System. CPSS Transactions on Power Electronics and Applications, 2022. 7(2), pp. 130-138.
[5]. Lai, J., Chen, M., Dai, X., and Zhao, N., Energy Management Strategy Adopting Power Transfer Device Considering Power Quality Improvement and Regenerative Braking Energy Utilization for Double-Modes Traction Systems. CPSS Transactions on Power Electronics and Applications, 2022. 7(1).
[6]. Gao, S., Li, M., Zheng, Y., Zhao, N., and Dong, H., Fuzzy Adaptive Protective Control for High-Speed Trains: An Outstretched Error Feedback Approach. IEEE Transactions on Intelligent Transportation Systems, 2022, pp. 1-10.
[7]. Chen, M., Liu, S., Zhao, N., Fu, H., and Lv, Y., Fault diagnosis and location of electrified railway grounding grids based on intelligent algorithm. International Transactions on Electrical Energy Systems, 2021. 31(2), pp. e12719.
[8]. Chen, L., Chen, M., Chen, Y., Chen, Y., Cheng, Y., and Zhao, N., Modelling and control of a novel AT-fed co-phase traction power supply system for electrified railway. International Journal of Electrical Power & Energy Systems, 2021. 125, pp. 106405.
[9]. Zhao, N., Z. Tian, L. Chen, C. Roberts, and S. Hillmansen, Driving Strategy Optimization and Field Test on an Urban Rail Transit System. IEEE Intelligent Transportation Systems Magazine, 2021. 13(3): p. 34-44.
[10]. Tian, Z., Zhao, N., Hillmansen, S., Su, S., and Wen, C., Traction Power Substation Load Analysis with Various Train Operating Styles and Substation Fault Modes. Energies, 2020. 13(11).
[11]. Tian, Z., Zhao, N., Hillmansen, S., Roberts, C., Dowens, T., Kerr, C.: 'SmartDrive: Traction Energy Optimization and Applications in Rail Systems', IEEE Transactions on Intelligent Transportation Systems, 2019, pp. 1-10.
[12]. Li, Z., Chen, L., Roberts, C., Zhao, N.: 'Dynamic Trajectory Optimization Design for Railway Driver Advisory System', IEEE Intelligent Transportation Systems Magazine, 2018. 10, (1), pp. 121-132.
[13]. Wang, H., Zhao, N., Ning, B., Tang, T., Chai, M.: 'Safety monitor for train-centric CBTC system', IET Intelligent Transport Systems, 2018. 12, (8), pp. 931-938.
[14]. Dunbar, R., Roberts, C., Zhao, N.: 'A tool for the rapid selection of a railway signalling strategy to implement train control optimisation for energy saving', Journal of Rail Transport Planning & Management, 2017. 7, (4), pp. 224-244.
[15]. Zhao, N., Chen, L., Tian, Z., Roberts, C., Hillmansen, S., Lv, J.: 'Field test of train trajectory optimisation on a metro line', IET Intelligent Transport Systems, 2017. 11, (5), pp. 273-281.
[16]. Zhao, N., Roberts, C., Hillmansen, S., Tian, Z., Weston, P., Chen, L.: 'An integrated metro operation optimization to minimize energy consumption', Transportation Research Part C: Emerging Technologies, 2017. 75, pp. 168-182.
[17]. Tian, Z., Weston, P., Zhao, N., Hillmansen, S., Roberts, C., Chen, L.: 'System energy optimisation strategies for metros with regeneration', Transportation Research Part C: Emerging Technologies, 2017. 75, pp. 120-135.
[18]. Chen, M., Roberts, C., Weston, P., Hillmansen, S., Zhao, N., Han, X.: 'Harmonic modelling and prediction of high-speed electric train based on non-parametric confidence interval estimation method', International Journal of Electrical Power & Energy Systems, 2017. 87, pp. 176-186.
[19]. Chen, M., Li, Q., Roberts, C., Hillmansen, S., Tricoli, P., Zhao, N., Krastev, I.: 'Modelling and performance analysis of advanced combined co-phase traction power supply system in electrified railway', IET Generation, Transmission & Distribution, 2016. 10, (4), pp. 906-916.
[20]. Tian, Z., Hillmansen, S., Roberts, C., Weston, P., Zhao, N., Chen, L., Chen, M.: 'Energy evaluation of the power network of a DC railway system with regenerating trains', IET Electrical Systems in Transportation, 2016. 6, (2), pp. 41-49.
[21]. Umiliacchi, S., Nicholson, G., Zhao, N., Schmid, F., Roberts, C.: 'Delay management and energy consumption minimisation on a single-track railway', IET Intelligent Transport Systems, 2016. 10, (1), pp. 50-57.
[22]. Zhao, N., Roberts, C., Hillmansen, S., Nicholson, G.: 'A Multiple Train Trajectory Optimization to Minimize Energy Consumption and Delay', Intelligent Transportation Systems, IEEE Transactions on, 2015. 16, (5), pp. 2363 - 2372.
[23]. Wang, H., Zhao, N., Chen, L.: 'An integrated capacity evaluation method for CBTC- system-equipped urban rail lines', Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit 2015. 229, (3), pp. 291-302.
[24]. Zhao, N., Roberts, C., Hillmansen, S.: 'The application of an enhanced Brute Force Algorithm to minimise energy costs and train delays for differing railway train control systems', Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit, 2014. 228, (2), pp. 158-168.
Selected conference publications
[1]. Jibrin, R., Hillmansen, S., Roberts, C., Zhao, N., and Tian, Z. Convex Optimization of Speed and Energy Management System for Fuel Cell Hybrid Trains. in 2021 IEEE Vehicle Power and Propulsion Conference (VPPC). 2021.
[2]. Tian, Z., Zhang, G., Zhao, N., Hillmansen, S., Tricoli, P., Roberts, C.: 'Energy Evaluation for DC Railway Systems with Inverting Substations'. in 2018 IEEE International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles & International Transportation Electrification Conference (ESARS-ITEC). 2018.
[3]. Zhao, N., Saade, L., Chen, Z., Stewart, E., Roberts, C., Yuan, M., Zhang, T., Cai, J.: 'Fault Analysis of the Switch and Point Machine to Improve Railway Reliability', in The Stephenson Conference: Research for Railway. 2017, London.
[4]. Tian, Z., Weston, P., Hillmansen, S., Roberts, C., Zhao, N.: 'System energy optimisation of metro-transit system using Monte Carlo Algorithm'. in 2016 IEEE International Conference on Intelligent Rail Transportation (ICIRT). 2016.
[5]. Hamid, H.A., Nicholson, G.L., Douglas, H., Zhao, N., Roberts, C.: 'Investigation into train positioning systems for saving energy with optimised train trajectories'. in 2016 IEEE International Conference on Intelligent Rail Transportation (ICIRT). 2016.
[6]. Zhao, N., Tian, Z., Hillmansen, S., Roberts, C., Yuan, M., Li, J., Shi, H., Li, K.: 'Metro Traction and Power System Energy Optimisation', in The Stephenson Conference. 2015, London. pp. 191-198.
[7]. Tian, Z., Hillmansen, S., Roberts, C., Western, P., Chen, L., Zhao, N., Su, S., Xin, T.: 'Modeling and Simulation of DC Rail Traction Systems for Energy Saving', in The 17th International IEEE Conference on Intelligent Transportation Systems. 2014, IEEE, Qingdao. pp. 2354-2359.
[8]. Zhao, N., Roberts, C., Hillmansen, S., Western, P., Chen, L., Tian, Z., Xin, T., Su, S.: 'Train Trajectory Optimisation of ATO Systems for Metro Lines', in The 17th International IEEE Conference on Intelligent Transportation Systems. 2014, IEEE, Qingdao. pp. 1796-1801.
[9]. Xin, T., Roberts, C., Hillmansen, S., Western, P., Zhao, N., Chen, L., Tian, Z., Su, S.: 'Railway Vertical Alignment Optimisation at Stations to Minimize Energy', in The 17th International IEEE Conference on Intelligent Transportation Systems. 2014, IEEE, Qingdao. pp. 2119-2124.
[10]. Lu, S., Western, P., Zhao, N.: 'Maximise the Regenerative Braking Energy using Linear Programming'. in 17th International IEEE Conference on Intelligent Transportation Systems (ITSC). 2014.
[11]. Zhao, N., Roberts, C., Hillmansen, S.: 'An approach for optimising railway traffic flow on high speed lines with differing signalling systems', in Comprail 2012, C.A. Brebbia, N. Tomii, J.M. Mera, B. Ning, and P. Tzieropoulos, Editors. 2012, WIT Press, New Forest. pp. 11.