Microscale Sensors and Systems

Robert White, Mech. Eng.









Ongoing Research

Completed Research

Laboratory Capabilities

Students

Teaching

Curriculum Vitae

Publications

Areas of interest:

Micro- and Nano-electromechanical systems (MEMS/NEMS) sensors and actuators, microfabrication processes and materials, and computational modeling of micro-electromechanical systems. These interests are directed towards device development and engineering science in micro- and nano-technology, with an emphasis on acoustic sensing, wind tunnel instrumentation, dynamic systems, and robotic systems.


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News:

2016

Sept 29, 2016. Paper published by Prof. Zenyuk and graduate student Dinesh Sabarirajan using ALD platinum from our lab for fuel cell electrode arrays:

Dinesh C. Sabarirajan, James Vlahakis, Robert D. White, Iryna V. Zenyuk, "Electrochemical Characterization of Free-standing Platinum Nanoelectrode Array Using Atomic Layer Deposition for Polymer Electrolyte Fuel Cells", Transactions of the Electrochemical Society, 75(14) pp. 747-255, 2016.

Sept 1, 2016. Daniela Torres and Kevin Ligonde are now graduate students in the group, working as Draper Fellows at Draper Labs and pursuing their MS degrees with us.

May 5, 2016. Undergraduate student Kevin Ligonde defended his Bachelors of Science thesis.

Gardy Kevin Ligonde, "Capacitive Micromachined Ultrasound Transducers for Martian Anemometry", Bachelors of Science Thesis, Tufts University, May 5, 2016.

May 4, 2016. Undergraduate student Daniela Torres defended her Bachelors of Science thesis.

Daniela Torres, "MEMS Shear Sensor", Bachelors of Science Thesis, Tufts University, May 4, 2016.

May 2, 2016. PhD student Nikolas Kastor, MS student Peter Lewis, and Prof. White all gave talks at the 43rd IMAPS (international microelectronics assembly and packaging society) New England Symposium.

Nikolas Kastor and Robert D. White, "Liquid Metal Interconnects for Conformable Sensor Packaging Enabling Inertial Measurements of Animals and Soft Robots" in the 43rd iMAPS New England Symposium and Expo, Boxborough, MA, May 3, 2016.

Robert D. White, Peter Lewis, and Brian Smith "Packaging of MEMS for Aerodynamic Measurements" in the 43rd iMAPS New England Symposium and Expo, Boxborough, MA, May 3, 2016. Invited talk.

Peter Lewis, Brian Smith and Robert D. White,"Printed Transceiver Circuit for System-on-chip Sensor and Processor" in the 43rd iMAPS New England Symposium and Expo, Boxborough, MA, May 3, 2016.

April 25, 2016. PhD candidate Nikolas Kastor joins a group of Tufts students from Mechanical Engineering, Biology and Computer Science at Soft Robotics Week 2016 in Livorno Italy. The students have 3 devices that will compete in the RoboSoft Grand Challenge - two in the Terrestrial Race event, and 1 in the Manipulation event.

January 7, 2016. Dr. Wang-kyung Sung officially joined the group as a postdoctoral scholar. Wang will be working on piezoelectric materials for acoustic microsystems.

2015

December 1, 2016. Boris Raskin successfully defended his MS thesis, "Aeroelastic Characteristics of a Rapid Prototype Multi-Material Wind Tunnel Model of a Mechanically Deployable Aerodynamic Decelerator".

November 30, 2015. Dr. Wang-kyung Sung will be joining the group as a postdoctoral scholar. His visa was just approved!

October 23, 2015. Daniela Torres and Kevin Ligonde presented posters at the Northeast Louis Stokes Alliance for Minority Participation Poster Symposium.

Kevin Ligonde and Robert D. White, "Capacitive Micromachined Ultrasound Transducers For Martian Anemometry" , presented at the Northeast Louis Stokes Alliance for Minority Participation Poster Symposium, NeLSAMP 2015, October 23, 2015.

Daniela Torres and Robert D. White, "Fabrication of a MEMS Floating Element Shear Sensor Array for 2D Pressure Gradient and Shear Stress Sensitivity Measurements", presented at the Northeast Louis Stokes Alliance for Minority Participation Poster Symposium, NeLSAMP 2015, October 23, 2015.

October 23, 2015. Prof. White applied for a US patent with collaborators from Music and Electrical Engineering.

Paul D. Lehrman, Chris Penny, Cody Chen, Noel Hwang, Robert White, "Synthesizer with Cymbal Actuator", US patent application Serial No. 14/921,267, filed October 23, 2015.

October 20-23, 2015. Prof. White traveled to Toronto to participate in a wind tunnel test with Bombardier Aerospace at the University of Toronto Institute for Aerospace Studies.

Testing of the 64 element Tufts MEMS microphone array was conducted alongside Knowles and B&K transducers.

September 25, 2015. James Magarian, Prof. Matson and Prof. White had a paper accepted to the Journal of Manufacturing Science and Engineering.

Magarian, J., White, R. D., and Matson, D., "Real-Time Acoustic and Pressure Characterization of Two-Phase Flow for Quality Control of Expanded Polystyrene Injection Molding Processes", Journal of Manufacturing Science and Engineering, accepted article, article in press, 2015

September 21, 2015.

Max Hill has accepted a position at Hstar Technologies working on medical robots. He will take a leave of absence from the PhD program. Good luck Max! We hope you come back.


Click here for older news items.


Research Videos:

MEMS microphone array-on-a-chip for measuring small scale turbulent pressure fluctuations in wind tunnel testing. January 2013.

MEMS floating element shear stress sensor for direct dynamic skin friction measurement at high spatial resolution in wind tunnel testing. January 2013.

MEMS ultrasonic velocity sensing technology for mobile navigation systems using high frequency in-air ultrasonics. January 2013.


Teaching Videos:

Three Dimensional Passive Dynamic Walker for Soft Robotics IGERT Bootcamp August 2014. Credit to Russ Tedrake, et al, ICRA 2004 for the idea.

Model rocket launch with data acquisition and modeling for ME37: Dynamics & Vibrations, Fall 2012.

Four bar linkage dynamics design/test for ME37: Dynamics & Vibrations, Fall 2012.

Lego "Segway" balancing robot using the NXT with a Kalman filter and full state feedback. For ME80: System Dynamics and Controls, Spring 2012

Finite state machine example using Arduino, lego, and Matlab for ME80: System Dynamics and Controls, Spring 2012