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The Nanoscience Centre

Cambridge University nanofabrication and characterisation facility

Studying at Cambridge

 

Sijun Du

Biography:

  • PhD candidate, Nanoscience Centre, Department of Engineering, University of Cambridge, UK, 2014-now
  • MSc with Distinction, Imperial College London, London, UK, 2012
  • BEng with First Class Honor, Université Pierre et Marie Curie (UPMC), Paris, France, 2011
  • Undergraduate in Wuhan University, China, 2007. 

Research Interests

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

Topics

  • Energy Harvesting

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, 2017, In press (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, 2017, In press (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, In press (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, (In press).
  • 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, 2017, In press (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.