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The Nanoscience Centre

Cambridge University nanofabrication and characterisation facility

Studying at Cambridge

 

Sijun Du

Biography:

  • PhD, Department of Engineering, University of Cambridge, UK, 2014 - 2017
  • ASIC digital engineer, Shanghai, China, 2012 - 2014
  • MSc with Distinction, Imperial College London, London, UK, 2011 - 2012
  • BEng with First Class Honor, Université Pierre et Marie Curie (UPMC), Paris, France, 2008 - 2011

Research Interests

  • Vibration energy harvesting systems
  • CMOS integrated circuit
  • Ananlog & Digital ASIC design
  • Microelectromechanical Systems (MEMS)

Key Publications

Journal publications:

  • S. Du, Y. Jia, C. Zhao, S-T Chen and A. A. Seshia, “Real-world Evaluation of a Self-startup SSHI Rectifier for Piezoelectric Vibration Energy Harvesting”, Sensors and Actuators A: Physical, vol. 264, pp. 180-187, 2017. (Link to paper).
  • S. Du and A. A. Seshia, "An Inductorless Bias-flip Rectifier for Piezoelectric Vibration Energy Harvester," IEEE Journal of Solid-State Circuits, vol. 52, 2017 (Link to paper).
  • S-T Chen, S. Du, E. Arroyo, Y. Jia and A. A. Seshia, “Shock Reliability Enhancement for MEMS Vibration Energy Harvesters with Nonlinear Air Damping as Soft Stopper”, Journal of Micromechanics and Microengineering, 2017 (Link to paper).
  • G. Sobreviela, C. Zhao, M. Pandit, C. Do, S. Du, Ashwin A. Seshia, “Parametric Noise Reduction in a High-order Nonlinear MEMS Resonator Utilizing Its Bifurcation Points”, IEEE Journal of Microelectromechanical Systems, 2017, (Link to paper).
  • S. Du, Y. Jia, S-T Chen, C. Zhao, B. Sun, E. Arroyo and A. A. Seshia, “A New Electrode Design Method in Piezoelectric Vibration Energy Harvesters to Maximize Output Power”, Sensors and Actuators A: Physical, vol. 263, pp. 693-701, 2017. (Link to paper).
  • E. Arroyo, Y. Jia, S. Du, S-T Chen, A. A. Seshia, “Experimental and theoretical study of a piezoelectric vibration energy harvester under high temperature”, IEEE Journal of Microelectromechanical Systems, 2017, In press (Link to paper)
  • S. Du, Y. Jia, and A. A. Seshia, "An Efficient Inductorless Dynamically Configured Interface Circuit for Piezoelectric Vibration Energy Harvesting," IEEE Transactions on Power Electronics, vol. 32, pp. 3595-3609, 2017. (Link to paper)
  • S. Du, Y. Jia, and A. A. Seshia, "Piezoelectric vibration energy harvesting: A connection configuration scheme to increase operational range and output power," Journal of Intelligent Material Systems and Structures, p. 1045389X16682846, 2016. (Link to paper)
  • Y. Jia, S. Du, and A. A. Seshia, "Micromachined cantilevers-on-membrane topology for broadband vibration energy harvesting," Journal of Micromechanics and Microengineering, vol. 26, p. 124007, 2016. (Link to paper)
  • S. Du, Y. Jia, C. D. Do, and A. A. Seshia, "An Efficient SSHI Interface With Increased Input Range for Piezoelectric Energy Harvesting Under Variable Conditions," IEEE Journal of Solid-State Circuits, vol. 51, pp. 2729-2742, 2016. (Link to paper)
  • Y. Jia, S. Du, and A. A. Seshia, "Twenty-Eight Orders of Parametric Resonance in a Microelectromechanical Device for Multi-band Vibration Energy Harvesting," Scientific Reports, vol. 6, p. 30167, 07/22/online 2016. (Link to paper)

Conference proceedings:

  • B. Sun, C. Zhao , G. Sobreviela-Falces , S. Du, F. Han , X. Zou, and A. Seshia, "Enhanced Frequency Stability in a Non-linear MEMS Oscillator Employing Phase Feedback." 2017 IEEE 30th International Conference on Micro Electro Mechanical Systems (MEMS), pp. 1115-1117.
  • S. Du, S.-T. Chen, Y. Jia, E. Arroyo, and A. Seshia, "Connection Configurations to Increase Operational Range and Output Power of Piezoelectric MEMS Vibration Energy Harvesters," Proceedings of the 15th International Conference on Micro- and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS 2016), Paris, France, December 6-9, 2016.
  • E. Arroyo, Y. Jia, S. Du, S. T. Chen, and A. Seshia, “High temperature performance of a piezoelectric micro cantilever for vibration energy harvesting,” Proceedings of the 15th International Conference on Micro- and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS 2016), Paris, France, December 6-9, 2016.
  • S.-T. Chen, S. Du, E. Arroyo, Y. Jia, and A. Seshia, "Utilising Nonlinear Air Damping as a Soft Mechanical Stopper for MEMS Vibration Energy Harvesting," Proceedings of the 15th International Conference on Micro- and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS 2016), Paris, France, December 6-9, 2016.
  • Y. Jia, S. Du, and A. A. Seshia, "Eight parametric resonances in a multi-frequency wideband MEMS piezoelectric vibration energy harvester." 2016 IEEE 29th International Conference on Micro Electro Mechanical Systems (MEMS), pp. 1244-1247.
  • S. Du, Y. Jia and A. A. Seshia, Maximizing output power in a cantilever piezoelectric vibration energy harvester by electrode design, Proceedings of the 15th International Conference on Micro- and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS 2015), Boston, USA, December 1-4, 2015.
  • Y. Jia, S. Du and A. A. Seshia, Cantilevers-on-membrane design for broadband MEMS piezoelectric vibration energy harvesting, Proceedings of the 15th International Conference on Micro- and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS 2015), Boston, USA, December 1-4, 2015.
  • Y. Jia, J. Yan, T. Feng, S. Du, P. Fidler, K. Soga, C. Middleton and A. A. Seshia, A vibration-powered wireless mote on the Forth Road Bridge, Proceedings of the 15th International Conference on Micro- and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS 2015), Boston, USA, December 1-4, 2015.