All Stories

  1. Internal resonance of a T-shaped electrostatic levitation actuator

    Article • Journal of Micromechanics and Microengineering, November 2025, Institute of Physics Publishing

    Assocaite Professor Shahrzad Towfighian

  2. Experimental Investigation of 3D-Printed TPU Triboelectric Composites for Biomechanical Energy Conversion in Knee Implants

    Article • Sensors, October 2025, MDPI AG

    Assocaite Professor Shahrzad Towfighian

  3. Power Optimization of TENGs via Load Capacitance Sizing

    Article • IEEE Sensors Journal, October 2025, Institute of Electrical & Electronics Engineers (IEEE)

    Assocaite Professor Shahrzad Towfighian

  4. Performance of piezoelectric and triboelectric transducers under gait loading for energy harvesting and load monitoring in total knee replacements

    Article • Nano Energy, August 2025, Elsevier

    Assocaite Professor Shahrzad Towfighian

  5. 3D printed CNT/TPU triboelectric nanogenerator for load monitoring of total knee replacement

    Article • Smart Materials and Structures, June 2025, Institute of Physics Publishing

    Assocaite Professor Shahrzad Towfighian

  6. Toward Self-Powered Load Imbalance Detection for Instrumented Knee Implants Using Quadrant Triboelectric Energy Harvesters

    Article • IEEE Sensors Journal, November 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Assocaite Professor Shahrzad Towfighian

  7. Hybrid triboelectric-piezoelectric nanogenerator for long-term load monitoring in total knee replacements

    Article • Smart Materials and Structures, April 2024, Institute of Physics Publishing

    Assocaite Professor Shahrzad Towfighian

  8. High Signal‐to‐Noise Ratio Event‐Driven MEMS Motion Sensing

    Article • Small, November 2023, Wiley

    Assocaite Professor Shahrzad Towfighian

  9. Self-powered triboelectric MEMS accelerometer

    Article • Nano Energy, May 2023, Elsevier

    Assocaite Professor Shahrzad Towfighian

  10. Event-driven MEMS vibration sensor: Integration of triboelectric nanogenerator and low-frequency switch

    Article • Mechanical Systems and Signal Processing, March 2023, Elsevier

    Assocaite Professor Shahrzad Towfighian

  11. Towards a CMOS-Compatible Accelerometer Using Self-Powered Teng System

    Article • December 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Assocaite Professor Shahrzad Towfighian

  12. Micro-triboelectric generator for zero-power shock detection

    Article • Nano Energy, December 2022, Elsevier

    Assocaite Professor Shahrzad Towfighian

  13. Genetic Algorithm Application to Enlarge Travel Range for Multi-Electrode MEMS Resonators

    Article • October 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Assocaite Professor Shahrzad Towfighian

  14. Employing Boundary Element Approach With Genetic Algorithm to Increase Travel Range of Repulsive Actuators

    Article • IEEE Sensors Journal, September 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Assocaite Professor Shahrzad Towfighian

  15. Open-loop control of electrostatic levitation actuators to enhance the travel-range of optical switches

    Article • Sensors and Actuators A Physical, May 2022, Elsevier

    Assocaite Professor Shahrzad Towfighian

  16. Dynamic behavior of T-beam resonator with repulsive actuation

    Article • Nonlinear Dynamics, December 2021, Springer Science + Business Media

    Assocaite Professor Shahrzad Towfighian

  17. Characterization of a Packaged Triboelectric Harvester Under Simulated Gait Loading for Total Knee Replacement

    Article • IEEE/ASME Transactions on Mechatronics, December 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Assocaite Professor Shahrzad Towfighian

  18. Self-Powered Load Sensing Circuitry for Total Knee Replacement

    Article • IEEE Sensors Journal, October 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Assocaite Professor Shahrzad Towfighian

  19. A MEMS Pressure Sensor Using Electrostatic Levitation

    Article • IEEE Sensors Journal, September 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Assocaite Professor Shahrzad Towfighian

  20. Electrostatic levitation: an elegant method to control MEMS switching operation

    Article • Nonlinear Dynamics, May 2021, Springer Science + Business Media

    Assocaite Professor Shahrzad Towfighian

  21. Autonomous shock sensing using bi-stable triboelectric generators and MEMS electrostatic levitation actuators

    Article • Smart Materials and Structures, May 2021, Institute of Physics Publishing

    Assocaite Professor Shahrzad Towfighian

  22. Dynamic Behavior of T-beam Resonator With Repulsive Actuation

    Article • April 2021, Springer Science + Business Media

    Assocaite Professor Shahrzad Towfighian

  23. Towards a high bias voltage MEMS filter using electrostatic levitation

    Article • Mechanical Systems and Signal Processing, March 2021, Elsevier

    Assocaite Professor Shahrzad Towfighian

  24. Large-Stroke Capacitive MEMS Accelerometer Without Pull-In

    Article • IEEE Sensors Journal, February 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Assocaite Professor Shahrzad Towfighian

  25. Design and analysis of a compliant 3D printed energy harvester housing for knee implants

    Article • Medical Engineering & Physics, February 2021, Elsevier

    Assocaite Professor Shahrzad Towfighian

  26. Feasibility study of a micro-electro-mechanical-systems threshold-pressure sensor based on parametric resonance: experimental and theoretical investigations

    Article • Journal of Micromechanics and Microengineering, December 2020, Institute of Physics Publishing

    Assocaite Professor Shahrzad Towfighian

  27. A Tunable Electrostatic MEMS Pressure Switch

    Article • IEEE Industrial Electronics Magazine, November 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Assocaite Professor Shahrzad Towfighian

  28. Triboelectric energy harvester with large bandwidth under harmonic and random excitations

    Article • Energy Reports, November 2020, Elsevier

    Assocaite Professor Shahrzad Towfighian

  29. Parametric study of a triboelectric transducer in total knee replacement application

    Article • Journal of Intelligent Material Systems and Structures, August 2020, SAGE Publications

    Assocaite Professor Shahrzad Towfighian

  30. Modeling and Characterization of a Pull-in Free MEMS Microphone

    Article • IEEE Sensors Journal, June 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Assocaite Professor Shahrzad Towfighian

  31. Lateral pull-in instability of electrostatic MEMS transducers employing repulsive force

    Article • Nonlinear Dynamics, April 2020, Springer Science + Business Media

    Assocaite Professor Shahrzad Towfighian

  32. Experimental Characterization of the Electrostatic Levitation Force in MEMS Transducers

    Article • Journal of Vibration and Acoustics, April 2020, ASME International

    Assocaite Professor Shahrzad Towfighian

  33. Analysis of mechanical deformation effect on the voltage generation of a vertical contact mode triboelectric generator

    Article • Journal of Micromechanics and Microengineering, January 2020, Institute of Physics Publishing

    Assocaite Professor Shahrzad Towfighian

  34. Fabrication and Experimental Characterization of a MEMS Microphone Using Electrostatic Levitation

    Article • October 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Assocaite Professor Shahrzad Towfighian

  35. Self-powered switches from mechanical shock

    Article • Applied Physics Letters, September 2019, American Institute of Physics

    Assocaite Professor Shahrzad Towfighian

  36. Merging parallel-plate and levitation actuators to enable linearity and tunability in electrostatic MEMS

    Article • Journal of Applied Physics, July 2019, American Institute of Physics

    Assocaite Professor Shahrzad Towfighian

  37. A tunable triboelectric wideband energy harvester

    Article • Journal of Intelligent Material Systems and Structures, April 2019, SAGE Publications

    Assocaite Professor Shahrzad Towfighian

  38. A parametric resonator with low threshold excitation for vibration energy harvesting

    Article • Journal of Sound and Vibration, April 2019, Elsevier

    Assocaite Professor Shahrzad Towfighian

  39. Dynamic response of a tunable MEMS accelerometer based on repulsive force

    Article • Sensors and Actuators A Physical, April 2019, Elsevier

    Assocaite Professor Shahrzad Towfighian

  40. A smart knee implant using triboelectric energy harvesters

    Article • Smart Materials and Structures, January 2019, Institute of Physics Publishing

    Assocaite Professor Shahrzad Towfighian

  41. Vibration Energy Harvesting: Linear, Nonlinear, and Rotational Approaches

    Article • Shock and Vibration, January 2019, Hindawi Publishing Corporation

    Md Abdul Halim Miah, Dibin Zhu, Assocaite Professor Shahrzad Towfighian

  42. Dynamics of a threshold shock sensor: Combining bi-stability and triboelectricity

    Article • Sensors and Actuators A Physical, January 2019, Elsevier

    Assocaite Professor Shahrzad Towfighian

  43. A reliable MEMS switch using electrostatic levitation

    Article • Applied Physics Letters, November 2018, American Institute of Physics

    Assocaite Professor Shahrzad Towfighian

  44. Low frequency energy harvesting with a variable potential function under random vibration

    Article • Smart Materials and Structures, September 2018, Institute of Physics Publishing

    Assocaite Professor Shahrzad Towfighian

  45. A parametric electrostatic resonator using repulsive force

    Article • Sensors and Actuators A Physical, July 2018, Elsevier

    Assocaite Professor Shahrzad Towfighian

  46. On the contact behavior of micro-/nano-structured interface used in vertical-contact-mode triboelectric nanogenerators

    Article • Nano Energy, September 2016, Elsevier

    Assocaite Professor Shahrzad Towfighian

  47. Nonlinear vibration energy harvesting based on variable double well potential function

    Article • April 2016, SPIE

    Assocaite Professor Shahrzad Towfighian

  48. Nonlinear Dynamic Behavior of a Bi-Axial Torsional MEMS Mirror with Sidewall Electrodes

    Article • Micromachines, March 2016, MDPI AG

    Assocaite Professor Shahrzad Towfighian

  49. A cylindrical triboelectric energy harvester for capsule endoscopes

    Article • October 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Assocaite Professor Shahrzad Towfighian

  50. A Novel Capacitive Sensing Principle for Microdevices

    Article • August 2015, ASME International

    Assocaite Professor Shahrzad Towfighian

  51. A Review of Locomotion Systems for Capsule Endoscopy

    Article • IEEE Reviews in Biomedical Engineering, January 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Assocaite Professor Shahrzad Towfighian

  52. MEGA: An energy aware algorithm for self-powered wireless sensor networks in sustainable smart infrastructure

    Article • December 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Assocaite Professor Shahrzad Towfighian

  53. Static Modeling of a Bi-Axial Micro-Mirror With Sidewall Electrodes

    Article • November 2014, ASME International

    Assocaite Professor Shahrzad Towfighian

  54. Dynamics of a close-loop controlled MEMS resonator

    Article • Nonlinear Dynamics, December 2011, Springer Science + Business Media

    Assocaite Professor Shahrzad Towfighian

  55. Low-voltage closed loop MEMS actuators

    Article • Nonlinear Dynamics, December 2011, Springer Science + Business Media

    Assocaite Professor Shahrzad Towfighian

  56. A large-stroke electrostatic micro-actuator

    Article • Journal of Micromechanics and Microengineering, June 2011, Institute of Physics Publishing

    Assocaite Professor Shahrzad Towfighian

  57. Analysis of a Chaotic Electrostatic Micro-Oscillator

    Article • Journal of Computational and Nonlinear Dynamics, September 2010, ASME International

    Assocaite Professor Shahrzad Towfighian

  58. A Low Voltage Controller for a Chaotic Micro Resonator

    Article • January 2010, ASME International

    Assocaite Professor Shahrzad Towfighian

  59. Experimental Validation for an Extended-Stability Electrostatic Actuator

    Article • January 2010, ASME International

    Assocaite Professor Shahrzad Towfighian

  60. Finite element modelling of low-speed femur reaming using reamers with irregular tooth spacing

    Article • Journal of Sound and Vibration, December 2008, Elsevier

    Assocaite Professor Shahrzad Towfighian

  61. Static and Dynamic Analysis of a Bistable Micro-Actuator

    Article • January 2008, ASME International

    Assocaite Professor Shahrzad Towfighian

  62. Finite element modeling of low speed reaming vibrations with reamer geometry modifications

    Article • Journal of Intelligent Manufacturing, July 2007, Springer Science + Business Media

    Assocaite Professor Shahrzad Towfighian