Contact Details

George Chiu
School of Mechanical Engineering
Purdue University
585 Purdue Mall
West Lafayette, IN 47907 US
+1 (765) 494-2688
gchiu at

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About Me

I am a Professor in the School of Mechanical Engineering with courtesy appointments in the School of Electrical and Computer Engineering and the Department of Psychological Sciences at Purdue University. From September 2011 to June 2014, I served as a Program Director in the US National Science Foundation managing the Control Systems Program and the National Robotics Initiative for the Engineering Directorate.

Before joining Purdue University, I worked for HP and was part of the team that developed the HP Copyjet product line in the late 1990s. At Purdue, I teach courses in the systems, measurements and control (SMAC) area and conduct research in the areas of mechatronics and dynamical systems and control.

In 1999 I help founded the Purdue FIRST Programs, which is a student organization that support and mentor local and Indiana K-12 students through the FIRST Robotics activities. To facilitate and sustain PFP’s community service, I offered a hands-on curriculum style course for PFP college mentors to develop their mentoring, project and event management, and leadership skills.

I served in the Executive Committee of the ASME Dynamic Systems and Control Division and was the Chair of the division from 2013-14. I also served as the Editor for the Journal of Imaging Science and Technology from 2012 to June 2014. Currently, I am the Editor-in-Chief Elect for the IEEE/ASME Transactions on Mechatronics. I am a Fellow of ASME and a Fellow of the Society for Imaging Science and Technology.


PhD (1994) University of California at Berkeley
MS (1990) University of California at Berkeley
BS (1985) National Taiwan University


Our research centers around mechatronics and dynamic systems and control with applications to digital printing and imaging systems, digital fabrications and functional printing, human motor control, motion and vibration perception and control. Our efforts focus on application motivated research, where research problems are formulated from application specific characteristics, constraints and objectives. Novel solution that meets implementation constraints are developed using integrated systems approach and appropriate technology translation. Results from our research group have impacted products such as hydraulic lifts, laser and inkjet printers, document scanners and off-road vehicles.

Current Projects

Journal Publications

(Partial list since 2008)

  1. S. Sung, N. Bajaj, J. Rhoads, G. Chiu, and B. Boudouris, “Radical Polymers Improve the Metal-Semiconductor Interface in Organic Field-Effect Transistors,” Organic Electronics, Vol. 37, pp. 148-154, October 2016, DOI: 10.1016/j.orgel.2016.06.020
  2. B. Han, G.Y. Yun, J.W. Boley, S.H. Kim, J.Y. Hwang, G.T.-C. Chiu, and K. Park, “Dropwise Gelation-Dehydration Kinetics during Drop-on-Demand Printing of Hydrogel-based Materials,” International Journal of Heat and Mass Transfer, Vol. 97, pp. 15-25, June 2016, DOI: 10.1016/j.ijheatmasstransfer.2016.01.030
  3. N. Bajaj, A. Sabater, J. Hickey, G.T.-C. Chiu, and J. Rhoads, “Design and Implementation of a Tunable, Duffing-Like Electromechanical Resonator Via Nonlinear Feedback,” IEEE Journal of Microelectromechanical Systems, Vol. 25, Iss. 1, pp. 2-10, February 2016, DOI: 10.1109/JMEMS.2015.2493447
  4. J. Mynderse and G.T.-C. Chiu, “Two Degree-of-Freedom Hysteresis Compensation for a Dynamic Mirror Actuator,” IEEE/ASME Transactions on Mechatronics, Vol. PP, Iss. 99, October 2015, DOI: 10.1109/TMECH.2015.2493038
  5. J. Shelton and G.T.-C. Chiu, “Efficiently Generating the Ballistic Phase of Human-like Aimed Movement,” IEEE/ASME Transactions on Mechatronics, Vol. 19, No. 6, December 2014, DOI: 10.1109/TMECH.2014.2316156
  6. J. Mynderse and G.T.-C. Chiu, “Modeling of a Dynamic Mirror with Antagonistic Piezoelectric Stack Actuation,” ASME Journal of Dynamic Systems, Measurement and Control, Vol. 136, No. 2, pp. 0245011-02405105, March 2014, DOI: 10.1115/1.4025671
  7. J.W. Boley, E.L. White, G.T.-C. Chiu, and R.K. Kramer, “Direct Writing Gallium-Indium Alloy for Stretchable Electronics,” Advanced Functional Materials, Vol. 24, pp 3501-3507, DOI: 10.1002/adfm.201303220
  8. A. Adak, J.W. Boley, D. Lyvers, G.T. Chiu, P. Low, R. Reifenberger, and A. Wei, “Label-free Detection of Staphylococcus Aureus Captured on Immutable Ligand Microarrays,” ACS Applied Materials & Interfaces, Vol. 5, Iss. 13, pp. 6404-6411, July 10, 2013, DOI: 10.1021/am4016236
  9. Y.-F. Kuo, G.T.-C. Chiu, and J.A. Allebach, “Calibration Color Patch Reduction and Halftone Level Selection for Electrophotography,” Journal of Imaging Science and Technology, Vol. 57, No. 2, pp. 20505-1-20505, March/April 2013, DOI: 10.2352/J.ImagingSci.Technol.2013.57.2.020505
  10. M.H. Cheng, G.T.-C. Chiu and M.A. Franchek, “Real-Time Measurement of Eccentric Motion with Low-Cost Capacitive Sensor,” IEEE/ASME Transactions on Mechatronics, Vol. 18, No. 3, pp. 990-997, June 2013, DOI: 10.1109/TMECH.2012.2195323
  11. V. Kumar, Y. Yang, J.W. Boley, G.T.-C. Chiu, and J.F. Rhoads, “Modeling, Analysis, and Experimental Validation of a Bifurcation-Based Microsensor,” IEEE/ASME Journal of Microelectromechanical Systems, Vol. 21, No. 3, pp. 549-558, June 2012, DOI: 10.1109/JMEMS.2011.2182502
  12. Y.-F. Kuo, C.-L. Yang, G. T.-C. Chiu, Y. Yih, J. P. Allebach, and C. D. Geleynse, “Experimental Characterization of Transient Tone Deviation in Print Jobs for Color Electrophotography,” Journal of Imaging Science and Technology, Vol. 56, No. 2, p. 020502, February/March 2012, DOI: 10.2352/J.ImagingSci.Technol.2012.56.2.020502
  13. Y.-F. Kuo, C.-L. Yang, G.T.-C. Chiu, Y. Yih, J.P. Allebach, and D.A. Abramsohn, “Model-based Calibration Approach to Improve Tone Consistency for Color Electrophotography,” Journal of Imaging Science and Technology, Vol. 56, No. 6, pp. 1-9, November/December 2011, DOI: 10.2352/J.ImagingSci.Technol.2011.55.6.060505
  14. P.-J. Chiang, J.P. Allebach, and G.T.-C. Chiu, “Extrinsic Signature Embedding and Detection in Electrophotographic Halftoned Images through Exposure Modulation,” IEEE Transactions on Information Forensics and Security, Vol. 6, No. 3 Part 2, September 2011, DOI: 10.1109/TIFS.2011.2156789
  15. F. Liu, G.T.-C. Chiu, E. Hamby, and Y. Eun, "Modeling and Control of a Hybrid Two-Component Development Process for Xerography," IEEE Transactions on Control System Technology, vol. 19, no.3, pp. 531-544, May 2011, DOI: 10.1109/TCST.2010.2048712
  16. V. Kumar, J.W. Boley, Y. Yang, H. Ekowaluyo, J.K. Miller, G.T.-C. Chiu, and J.F. Rhoads, “Bifurcation-based Mass Sensing using Piezoelectrically-actuated Microcantilevers,” Applied Physics Letters, Vol. 98, Iss. 15, Article Number: 153510, April 2011, DOI: 10.1063/1.3574920
  17. O-S. Kwon, H. N. Zelaznik, G. Chiu, and Z. Pizlo, “Human Motor Transfer is Determined by the Scaling of Size and Accuracy of Movement,” Journal of Motor Behavior, Vol. 43, Iss. 1, pp. 15-26, 2011, DOI: 10.1080/00222895.2010.520359
  18. Y.-F. Kuo, C.-L. Yang, Y. Yih, G.T.-C. Chiu, and J.P. Allebach, “Improving Tone Prediction in Calibration of Electrophotographic Printers by Linear Regression: Using Principal Components to Account for Collinearity of Sensor Measurements,” Journal of Imaging Science and Technology, Vol. 54, No. 5, pp. 050302-050302-9, September/October 2010, DOI: 10.2352/J.ImagingSci.Technol.2010.54.5.050302
  19. C.-L. Yang, Y.-F. Kuo, Y. Yih, G.T.-C. Chiu, D.A. Abramsohn, G.R. Ashton, and J.P. Allebach, “Improving Tone Prediction in Calibration of Electrophotographic Printers by Linear Regression: Environmental, Consumables, and Tone-Level Factors,” Journal of Imaging Science and Technology, Vol. 54, No. 5, pp. 050301-050301-11, September/October 2010, DOI: 10.2352/J.ImagingSci.Technol.2010.54.5.050301
  20. T. Bhuvana, W. Boley, B. Radha, B. Hines, G. Chiu, D. Bergstrom, R. Reifenberger, T.S. Fisher, and G.U. Kulkarni, “Inkjet Printing of Palladium Alkanethiolates for Facile Fabrication of Metal Interconnects and SERS Substrates,” Micro & Nano Letters, Vol. 5, Iss. 5, pp. 296–299, 2010, DOI: 10.1049/mnl.2010.0109
  21. M.H.-M. Cheng and G.T.-C. Chiu, “A Mechatronic Approach to a Virtual Laboratory Service on Internet,” International Journal of Virtual Technology and Multimedia, Vol. 1, No. 2, pp. 140-154, 2010, DOI: 10.1504/IJVTM.2010.032057
  22. P-J Chiang, N. Khanna, A.K. Mikkilineni, M.V. Ortiz Segovia, S. Suh, J.P. Allebach, G.T.-C. Chiu, and E.J. Delp, “Printer and Scanner Forensics,” IEEE Signal Processing Magazine, Vol. 26, Iss. 2, pp. 72-83, March 2009, DOI: 10.1109/MSP.2008.931082
  23. H.-M. Cheng and G.T. Chiu, “Wordlength Estimation of Digital Controller Synthesis for Inkjet Printer Mechanism,” Journal of Computers, Vol. 3, No. 4, pp. 50-57, April 2008, DOI: 10.4304/jcp.3.4.50-57
  24. M.H.-M. Cheng, G.T.-C. Chiu, and R. Reifenberger, “Fractal Compression and Adaptive Sampling: Reducing the Image Acquisition Time in Scanning Probe Microscopy,” Scanning, Vol. 30, Iss. 6, pp. 463-473, November 2008, DOI: 10.1002/sca.20131
  25. C.-L. Chen and G.T.-C. Chiu, “Closed Loop Banding Artifact Reduction for a Class of Color Electrophotographic Printers with Underactuated Motor/Gear Configuration,” IEEE Transactions on Control Systems Technology, Vol. 16, No. 4, pp. 577-588, July 2008, DOI: 10.1109/TCST.2007.912108
  26. C.-L. Chen, G.T.-C. Chiu, and J. A. Allebach, “Halftone Banding Reduction for a Class of Electrophotographic Systems – Part I: Characterization and Modeling,” Mechatronics, Vol. 18, No. 4, pp. 400-411, October 2008, DOI: 10.1016/j.mechatronics.2008.03.004
  27. C.-L. Chen and G.T.-C. Chiu “Halftone Banding Reduction for a Class of Electrophotographic Systems – Part II: Closed-loop Control,” Mechatronics, Vol. 18, No. 4, pp. 412-425, October 2008, DOI: 10.1016/j.mechatronics.2008.03.003
  28. C.-Y. Chen, L.-Q. Liu, P.-S. Liao, and G.T.-C. Chiu, “Fuzzy Controller Design for Synchronous Motion in a Dual-Cylinder Electro-Hydraulic System,” IFAC Journal of Control Engineering Practice, Vol. 16, pp. 658-673, June 2008, DOI: 10.1016/j.conengprac.2007.08.005
  29. C.-L. Chen and G.T.-C. Chiu, “Spatially Periodic Disturbance Rejection with Spatially Sampled Robust Repetitive Control,” ASME Journal of Dynamic Systems, Measurement and Control, Vol. 130, Iss. 2, pp. 021002-1-021002-11, March 2008, DOI: 10.1115/1.2837306

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