Student

Research Interests

• Not available.

Projects

Medical/Surgical Robotics

Publications

Refereed Journal:

1. U.-X. Tan, W. T. Latt, F. Widjaja, C. Y. Shee, C. N. Riviere, and W. T. Ang, “Tracking control of hysteretic piezoelectric actuator using adaptive rate-dependent controller,” Sensors and Actuators A: Physical, vol. 150, no. 1, pp. 116–123, 2009.
2. F. Widjaja, C. Y. Shee, D. G. Zhang, W. T. Ang, P. Poignet, A. P. L. Bó, and D. Guiraud, “Current progress on pathological tremor modeling and active compensation using functional electrical stimulation,” Gerontechnology, vol. 7, no. 2, p. 240, May 2008.

Refereed Journal (review):

1. D. G. Zhang, F. Windjaja, C. Y. Shee, P. Poignet, and W. T. Ang, “Neural oscillator based control for pathological tremor attenuation,” Biological Cybernetics, (revision).
2. F. Widjaja, C. Y. Shee, W. L. Au, P. Poignet, W. T. Ang, “Sensing of Pathological Tremor Using Surface Electromyography and Accelerometer for Real-time Attenuation,” Medical Engineering and Physics, (submitted).

Refereed Conference:

1. F. Widjaja, C. Y. Shee, P. Poignet and W. T. Ang, “Filtering of Intended Motion in Real-time Tremor Compensation for Human Upper Limb Using Surface Electromyography,” in Proc. 31th Annual Intl. Conf. IEEE Engineering in Medicine and Biology Society, Minneapolis, Minnesota, USA, Sep. 2009, (in press).
2. F. Widjaja, C. Y. Shee, P. Poignet, and W. T. Ang, “FES artifact suppression for real-time tremor compensation,” IEEE 11th Intl. Conf. Rehabilitation Robotics, Kyoto, Japan, June 2009, pp. 53–58.
3. W. T. Latt, U. X. Tan, F. Widjaja, and W. T. Ang, “Placement of accelerometers in a hand-held active tremor compensation instrument for high angular sensing resolution,” in 2008 IEEE Intl. Conf. Robotics and Biomimetics, Bangkok, Thailand, Feb. 2009, (in press).
4. F. Widjaja, C. Y. Shee, W. L. Au, P. Poignet, and W. T. Ang, “An extended Kalman filtering of accelerometer and electromyography data for attenuation of pathological tremor,” in Proc. 2nd IEEE RAS & EMBS Intl. Conf. Biomedical Robotics and Biomechatronics, Scottsdale, AZ, USA, Oct. 2008, pp. 193–198.
5. W. T. Latt, U. X. Tan, F. Widjaja, C. Y. Shee, and W. T. Ang, “A study of a hand-held instruments angular motion due to physiological tremor in micromanipulation tasks,” in Proc. 30th Annual Intl. Conf. IEEE Engineering in Medicine and Biology Society, Vancouver, BC, Canada, Aug. 2008, pp. 1952–1955.
6. A. P. L. Bó, P. Poignet, F. Widjaja, and W. T. Ang, “Online pathological tremor characterization using extended Kalman filtering,” in Proc. 30th Annual Intl. Conf. IEEE Engineering in Medicine and Biology Society, Vancouver, BC, Canada, Aug. 2008, pp. 1753–1756.
7. F. Widjaja, C. Y. Shee, W. T. Latt, W. L. Au, P. Poignet, and W. T. Ang, “Kalman filtering of accelerometer and electromyography (EMG) data in pathological tremor sensing system,” in Proc. IEEE Intl. Conf. Robotics and Automation, Pasadena, CA, USA, May 2008, pp. 3250–3255.
8. F. Widjaja, C. Y. Shee, W. L. Au, P. Poignet, and W. T. Ang, “Towards a sensing system for quantification of pathological tremor,” in Intl. Conf. Intelligent and Advanced Systems, Kuala Lumpur, Malaysia, Nov. 2007, pp. 986–991.
9. D. Zhang, W. T. Ang, F. Windjaja, and S. C. Yap, “Neural oscillator based control for wrist tremor attenuation,” in Proc. 5th IEEE Intl. Conf. Computational Cybernetics, Gammarth, Tunisia, 2007, pp. 197–202.
10. D. G. Zhang, H. G. Tan, W. Ferdinan, and W. T. Ang, “Functional electrical stimulation in rehabilitation engineering: A survey,” in 1st Intl. Convention for Rehabilitation Engineering & Assistive Technology, Singapore, Apr. 2007.

Refereed Conference (submitted/review):

1. Not available.